diff options
Diffstat (limited to 'drivers/serial')
37 files changed, 165 insertions, 215 deletions
diff --git a/drivers/serial/21285.c b/drivers/serial/21285.c index 76d83ade9857..6a1a568ca649 100644 --- a/drivers/serial/21285.c +++ b/drivers/serial/21285.c @@ -85,7 +85,7 @@ static void serial21285_enable_ms(struct uart_port *port) { } -static irqreturn_t serial21285_rx_chars(int irq, void *dev_id, struct pt_regs *regs) +static irqreturn_t serial21285_rx_chars(int irq, void *dev_id) { struct uart_port *port = dev_id; struct tty_struct *tty = port->info->tty; @@ -123,7 +123,7 @@ static irqreturn_t serial21285_rx_chars(int irq, void *dev_id, struct pt_regs *r return IRQ_HANDLED; } -static irqreturn_t serial21285_tx_chars(int irq, void *dev_id, struct pt_regs *regs) +static irqreturn_t serial21285_tx_chars(int irq, void *dev_id) { struct uart_port *port = dev_id; struct circ_buf *xmit = &port->info->xmit; diff --git a/drivers/serial/68328serial.c b/drivers/serial/68328serial.c index bac853c5abb5..9b8b585513ec 100644 --- a/drivers/serial/68328serial.c +++ b/drivers/serial/68328serial.c @@ -275,8 +275,7 @@ static void status_handle(struct m68k_serial *info, unsigned short status) return; } -static void receive_chars(struct m68k_serial *info, struct pt_regs *regs, - unsigned short rx) +static void receive_chars(struct m68k_serial *info, unsigned short rx) { struct tty_struct *tty = info->tty; m68328_uart *uart = &uart_addr[info->line]; @@ -377,7 +376,7 @@ clear_and_return: /* * This is the serial driver's generic interrupt routine */ -irqreturn_t rs_interrupt(int irq, void *dev_id, struct pt_regs * regs) +irqreturn_t rs_interrupt(int irq, void *dev_id) { struct m68k_serial * info; m68328_uart *uart; @@ -394,10 +393,10 @@ irqreturn_t rs_interrupt(int irq, void *dev_id, struct pt_regs * regs) #ifdef USE_INTS tx = uart->utx.w; - if (rx & URX_DATA_READY) receive_chars(info, regs, rx); + if (rx & URX_DATA_READY) receive_chars(info, rx); if (tx & UTX_TX_AVAIL) transmit_chars(info); #else - receive_chars(info, regs, rx); + receive_chars(info, rx); #endif return IRQ_HANDLED; } diff --git a/drivers/serial/68360serial.c b/drivers/serial/68360serial.c index 1b299e8c57cd..4e56ec803861 100644 --- a/drivers/serial/68360serial.c +++ b/drivers/serial/68360serial.c @@ -612,7 +612,7 @@ static _INLINE_ void check_modem_status(struct async_struct *info) * This is the serial driver's interrupt routine for a single port */ /* static void rs_360_interrupt(void *dev_id) */ /* until and if we start servicing irqs here */ -static void rs_360_interrupt(int vec, void *dev_id, struct pt_regs *fp) +static void rs_360_interrupt(int vec, void *dev_id) { u_char events; int idx; diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c index cc2a205d4230..e34bd03cfce7 100644 --- a/drivers/serial/8250.c +++ b/drivers/serial/8250.c @@ -1175,7 +1175,7 @@ static void serial8250_enable_ms(struct uart_port *port) } static void -receive_chars(struct uart_8250_port *up, int *status, struct pt_regs *regs) +receive_chars(struct uart_8250_port *up, int *status) { struct tty_struct *tty = up->port.info->tty; unsigned char ch, lsr = *status; @@ -1233,7 +1233,7 @@ receive_chars(struct uart_8250_port *up, int *status, struct pt_regs *regs) else if (lsr & UART_LSR_FE) flag = TTY_FRAME; } - if (uart_handle_sysrq_char(&up->port, ch, regs)) + if (uart_handle_sysrq_char(&up->port, ch)) goto ignore_char; uart_insert_char(&up->port, lsr, UART_LSR_OE, ch, flag); @@ -1309,7 +1309,7 @@ static unsigned int check_modem_status(struct uart_8250_port *up) * This handles the interrupt from one port. */ static inline void -serial8250_handle_port(struct uart_8250_port *up, struct pt_regs *regs) +serial8250_handle_port(struct uart_8250_port *up) { unsigned int status; @@ -1320,7 +1320,7 @@ serial8250_handle_port(struct uart_8250_port *up, struct pt_regs *regs) DEBUG_INTR("status = %x...", status); if (status & UART_LSR_DR) - receive_chars(up, &status, regs); + receive_chars(up, &status); check_modem_status(up); if (status & UART_LSR_THRE) transmit_chars(up); @@ -1342,7 +1342,7 @@ serial8250_handle_port(struct uart_8250_port *up, struct pt_regs *regs) * This means we need to loop through all ports. checking that they * don't have an interrupt pending. */ -static irqreturn_t serial8250_interrupt(int irq, void *dev_id, struct pt_regs *regs) +static irqreturn_t serial8250_interrupt(int irq, void *dev_id) { struct irq_info *i = dev_id; struct list_head *l, *end = NULL; @@ -1361,7 +1361,7 @@ static irqreturn_t serial8250_interrupt(int irq, void *dev_id, struct pt_regs *r iir = serial_in(up, UART_IIR); if (!(iir & UART_IIR_NO_INT)) { - serial8250_handle_port(up, regs); + serial8250_handle_port(up); handled = 1; @@ -1461,7 +1461,7 @@ static void serial8250_timeout(unsigned long data) iir = serial_in(up, UART_IIR); if (!(iir & UART_IIR_NO_INT)) - serial8250_handle_port(up, NULL); + serial8250_handle_port(up); timeout = up->port.timeout; timeout = timeout > 6 ? (timeout / 2 - 2) : 1; diff --git a/drivers/serial/amba-pl010.c b/drivers/serial/amba-pl010.c index 7311d8487c96..4213fabc62bf 100644 --- a/drivers/serial/amba-pl010.c +++ b/drivers/serial/amba-pl010.c @@ -111,12 +111,7 @@ static void pl010_enable_ms(struct uart_port *port) writel(cr, port->membase + UART010_CR); } -static void -#ifdef SUPPORT_SYSRQ -pl010_rx_chars(struct uart_port *port, struct pt_regs *regs) -#else -pl010_rx_chars(struct uart_port *port) -#endif +static void pl010_rx_chars(struct uart_port *port) { struct tty_struct *tty = port->info->tty; unsigned int status, ch, flag, rsr, max_count = 256; @@ -156,7 +151,7 @@ pl010_rx_chars(struct uart_port *port) flag = TTY_FRAME; } - if (uart_handle_sysrq_char(port, ch, regs)) + if (uart_handle_sysrq_char(port, ch)) goto ignore_char; uart_insert_char(port, rsr, UART01x_RSR_OE, ch, flag); @@ -227,7 +222,7 @@ static void pl010_modem_status(struct uart_port *port) wake_up_interruptible(&uap->port.info->delta_msr_wait); } -static irqreturn_t pl010_int(int irq, void *dev_id, struct pt_regs *regs) +static irqreturn_t pl010_int(int irq, void *dev_id) { struct uart_port *port = dev_id; unsigned int status, pass_counter = AMBA_ISR_PASS_LIMIT; @@ -239,11 +234,7 @@ static irqreturn_t pl010_int(int irq, void *dev_id, struct pt_regs *regs) if (status) { do { if (status & (UART010_IIR_RTIS | UART010_IIR_RIS)) -#ifdef SUPPORT_SYSRQ - pl010_rx_chars(port, regs); -#else pl010_rx_chars(port); -#endif if (status & UART010_IIR_MIS) pl010_modem_status(port); if (status & UART010_IIR_TIS) diff --git a/drivers/serial/amba-pl011.c b/drivers/serial/amba-pl011.c index a8d7124e84a1..d503625730df 100644 --- a/drivers/serial/amba-pl011.c +++ b/drivers/serial/amba-pl011.c @@ -107,12 +107,7 @@ static void pl011_enable_ms(struct uart_port *port) writew(uap->im, uap->port.membase + UART011_IMSC); } -static void -#ifdef SUPPORT_SYSRQ -pl011_rx_chars(struct uart_amba_port *uap, struct pt_regs *regs) -#else -pl011_rx_chars(struct uart_amba_port *uap) -#endif +static void pl011_rx_chars(struct uart_amba_port *uap) { struct tty_struct *tty = uap->port.info->tty; unsigned int status, ch, flag, max_count = 256; @@ -150,7 +145,7 @@ pl011_rx_chars(struct uart_amba_port *uap) flag = TTY_FRAME; } - if (uart_handle_sysrq_char(&uap->port, ch & 255, regs)) + if (uart_handle_sysrq_char(&uap->port, ch & 255)) goto ignore_char; uart_insert_char(&uap->port, ch, UART011_DR_OE, ch, flag); @@ -218,7 +213,7 @@ static void pl011_modem_status(struct uart_amba_port *uap) wake_up_interruptible(&uap->port.info->delta_msr_wait); } -static irqreturn_t pl011_int(int irq, void *dev_id, struct pt_regs *regs) +static irqreturn_t pl011_int(int irq, void *dev_id) { struct uart_amba_port *uap = dev_id; unsigned int status, pass_counter = AMBA_ISR_PASS_LIMIT; @@ -234,11 +229,7 @@ static irqreturn_t pl011_int(int irq, void *dev_id, struct pt_regs *regs) uap->port.membase + UART011_ICR); if (status & (UART011_RTIS|UART011_RXIS)) -#ifdef SUPPORT_SYSRQ - pl011_rx_chars(uap, regs); -#else pl011_rx_chars(uap); -#endif if (status & (UART011_DSRMIS|UART011_DCDMIS| UART011_CTSMIS|UART011_RIMIS)) pl011_modem_status(uap); diff --git a/drivers/serial/atmel_serial.c b/drivers/serial/atmel_serial.c index 955c46da5800..391a1f4167a4 100644 --- a/drivers/serial/atmel_serial.c +++ b/drivers/serial/atmel_serial.c @@ -249,7 +249,7 @@ static void atmel_break_ctl(struct uart_port *port, int break_state) /* * Characters received (called from interrupt handler) */ -static void atmel_rx_chars(struct uart_port *port, struct pt_regs *regs) +static void atmel_rx_chars(struct uart_port *port) { struct tty_struct *tty = port->info->tty; unsigned int status, ch, flg; @@ -291,7 +291,7 @@ static void atmel_rx_chars(struct uart_port *port, struct pt_regs *regs) flg = TTY_FRAME; } - if (uart_handle_sysrq_char(port, ch, regs)) + if (uart_handle_sysrq_char(port, ch)) goto ignore_char; uart_insert_char(port, status, ATMEL_US_OVRE, ch, flg); @@ -339,7 +339,7 @@ static void atmel_tx_chars(struct uart_port *port) /* * Interrupt handler */ -static irqreturn_t atmel_interrupt(int irq, void *dev_id, struct pt_regs *regs) +static irqreturn_t atmel_interrupt(int irq, void *dev_id) { struct uart_port *port = dev_id; struct atmel_uart_port *atmel_port = (struct atmel_uart_port *) port; @@ -350,7 +350,7 @@ static irqreturn_t atmel_interrupt(int irq, void *dev_id, struct pt_regs *regs) while (pending) { /* Interrupt receive */ if (pending & ATMEL_US_RXRDY) - atmel_rx_chars(port, regs); + atmel_rx_chars(port); // TODO: All reads to CSR will clear these interrupts! if (pending & ATMEL_US_RIIC) port->icount.rng++; diff --git a/drivers/serial/clps711x.c b/drivers/serial/clps711x.c index f27d852ce50d..598012714882 100644 --- a/drivers/serial/clps711x.c +++ b/drivers/serial/clps711x.c @@ -93,7 +93,7 @@ static void clps711xuart_enable_ms(struct uart_port *port) { } -static irqreturn_t clps711xuart_int_rx(int irq, void *dev_id, struct pt_regs *regs) +static irqreturn_t clps711xuart_int_rx(int irq, void *dev_id) { struct uart_port *port = dev_id; struct tty_struct *tty = port->info->tty; @@ -131,7 +131,7 @@ static irqreturn_t clps711xuart_int_rx(int irq, void *dev_id, struct pt_regs *re #endif } - if (uart_handle_sysrq_char(port, ch, regs)) + if (uart_handle_sysrq_char(port, ch)) goto ignore_char; /* @@ -147,7 +147,7 @@ static irqreturn_t clps711xuart_int_rx(int irq, void *dev_id, struct pt_regs *re return IRQ_HANDLED; } -static irqreturn_t clps711xuart_int_tx(int irq, void *dev_id, struct pt_regs *regs) +static irqreturn_t clps711xuart_int_tx(int irq, void *dev_id) { struct uart_port *port = dev_id; struct circ_buf *xmit = &port->info->xmit; diff --git a/drivers/serial/cpm_uart/cpm_uart_core.c b/drivers/serial/cpm_uart/cpm_uart_core.c index a0d6136deb9b..0abb544ae63d 100644 --- a/drivers/serial/cpm_uart/cpm_uart_core.c +++ b/drivers/serial/cpm_uart/cpm_uart_core.c @@ -248,7 +248,7 @@ static void cpm_uart_break_ctl(struct uart_port *port, int break_state) /* * Transmit characters, refill buffer descriptor, if possible */ -static void cpm_uart_int_tx(struct uart_port *port, struct pt_regs *regs) +static void cpm_uart_int_tx(struct uart_port *port) { pr_debug("CPM uart[%d]:TX INT\n", port->line); @@ -258,7 +258,7 @@ static void cpm_uart_int_tx(struct uart_port *port, struct pt_regs *regs) /* * Receive characters */ -static void cpm_uart_int_rx(struct uart_port *port, struct pt_regs *regs) +static void cpm_uart_int_rx(struct uart_port *port) { int i; unsigned char ch, *cp; @@ -304,7 +304,7 @@ static void cpm_uart_int_rx(struct uart_port *port, struct pt_regs *regs) if (status & (BD_SC_BR | BD_SC_FR | BD_SC_PR | BD_SC_OV)) goto handle_error; - if (uart_handle_sysrq_char(port, ch, regs)) + if (uart_handle_sysrq_char(port, ch)) continue; error_return: @@ -373,7 +373,7 @@ static void cpm_uart_int_rx(struct uart_port *port, struct pt_regs *regs) /* * Asynchron mode interrupt handler */ -static irqreturn_t cpm_uart_int(int irq, void *data, struct pt_regs *regs) +static irqreturn_t cpm_uart_int(int irq, void *data) { u8 events; struct uart_port *port = (struct uart_port *)data; @@ -389,18 +389,18 @@ static irqreturn_t cpm_uart_int(int irq, void *data, struct pt_regs *regs) if (events & SMCM_BRKE) uart_handle_break(port); if (events & SMCM_RX) - cpm_uart_int_rx(port, regs); + cpm_uart_int_rx(port); if (events & SMCM_TX) - cpm_uart_int_tx(port, regs); + cpm_uart_int_tx(port); } else { events = sccp->scc_scce; sccp->scc_scce = events; if (events & UART_SCCM_BRKE) uart_handle_break(port); if (events & UART_SCCM_RX) - cpm_uart_int_rx(port, regs); + cpm_uart_int_rx(port); if (events & UART_SCCM_TX) - cpm_uart_int_tx(port, regs); + cpm_uart_int_tx(port); } return (events) ? IRQ_HANDLED : IRQ_NONE; } diff --git a/drivers/serial/crisv10.c b/drivers/serial/crisv10.c index 9851d9eff022..7a24e53546c7 100644 --- a/drivers/serial/crisv10.c +++ b/drivers/serial/crisv10.c @@ -2346,7 +2346,7 @@ start_receive(struct e100_serial *info) */ static irqreturn_t -tr_interrupt(int irq, void *dev_id, struct pt_regs * regs) +tr_interrupt(int irq, void *dev_id) { struct e100_serial *info; unsigned long ireg; @@ -2395,7 +2395,7 @@ tr_interrupt(int irq, void *dev_id, struct pt_regs * regs) /* dma input channel interrupt handler */ static irqreturn_t -rec_interrupt(int irq, void *dev_id, struct pt_regs * regs) +rec_interrupt(int irq, void *dev_id) { struct e100_serial *info; unsigned long ireg; @@ -3054,7 +3054,7 @@ static void handle_ser_tx_interrupt(struct e100_serial *info) * ser_int duration: just sending: 8-15 us normally, up to 73 us */ static irqreturn_t -ser_interrupt(int irq, void *dev_id, struct pt_regs *regs) +ser_interrupt(int irq, void *dev_id) { static volatile int tx_started = 0; struct e100_serial *info; diff --git a/drivers/serial/dz.c b/drivers/serial/dz.c index 8a98aae80e22..53662b33b841 100644 --- a/drivers/serial/dz.c +++ b/drivers/serial/dz.c @@ -339,7 +339,7 @@ static inline void check_modem_status(struct dz_port *dport) * It deals with the multiple ports. * ------------------------------------------------------------ */ -static irqreturn_t dz_interrupt(int irq, void *dev, struct pt_regs *regs) +static irqreturn_t dz_interrupt(int irq, void *dev) { struct dz_port *dport; unsigned short status; diff --git a/drivers/serial/icom.c b/drivers/serial/icom.c index a3c00a252149..8aa0f641866b 100644 --- a/drivers/serial/icom.c +++ b/drivers/serial/icom.c @@ -844,8 +844,7 @@ static void process_interrupt(u16 port_int_reg, spin_unlock(&icom_port->uart_port.lock); } -static irqreturn_t icom_interrupt(int irq, void *dev_id, - struct pt_regs *regs) +static irqreturn_t icom_interrupt(int irq, void *dev_id) { void __iomem * int_reg; u32 adapter_interrupts; diff --git a/drivers/serial/imx.c b/drivers/serial/imx.c index 4a142d6b8f38..ee5c782597dd 100644 --- a/drivers/serial/imx.c +++ b/drivers/serial/imx.c @@ -182,7 +182,7 @@ static void imx_start_tx(struct uart_port *port) imx_transmit_buffer(sport); } -static irqreturn_t imx_rtsint(int irq, void *dev_id, struct pt_regs *regs) +static irqreturn_t imx_rtsint(int irq, void *dev_id) { struct imx_port *sport = (struct imx_port *)dev_id; unsigned int val = USR1((u32)sport->port.membase)&USR1_RTSS; @@ -198,7 +198,7 @@ static irqreturn_t imx_rtsint(int irq, void *dev_id, struct pt_regs *regs) return IRQ_HANDLED; } -static irqreturn_t imx_txint(int irq, void *dev_id, struct pt_regs *regs) +static irqreturn_t imx_txint(int irq, void *dev_id) { struct imx_port *sport = (struct imx_port *)dev_id; struct circ_buf *xmit = &sport->port.info->xmit; @@ -227,7 +227,7 @@ out: return IRQ_HANDLED; } -static irqreturn_t imx_rxint(int irq, void *dev_id, struct pt_regs *regs) +static irqreturn_t imx_rxint(int irq, void *dev_id) { struct imx_port *sport = dev_id; unsigned int rx,flg,ignored = 0; @@ -248,7 +248,7 @@ static irqreturn_t imx_rxint(int irq, void *dev_id, struct pt_regs *regs) } if (uart_handle_sysrq_char - (&sport->port, (unsigned char)rx, regs)) + (&sport->port, (unsigned char)rx)) goto ignore_char; if( rx & (URXD_PRERR | URXD_OVRRUN | URXD_FRMERR) ) diff --git a/drivers/serial/ioc3_serial.c b/drivers/serial/ioc3_serial.c index 8097cd91f16b..2308d26c8629 100644 --- a/drivers/serial/ioc3_serial.c +++ b/drivers/serial/ioc3_serial.c @@ -1428,13 +1428,12 @@ static int receive_chars(struct uart_port *the_port) * @is : submodule * @idd: driver data * @pending: interrupts to handle - * @regs: pt_regs */ static int inline ioc3uart_intr_one(struct ioc3_submodule *is, struct ioc3_driver_data *idd, - unsigned int pending, struct pt_regs *regs) + unsigned int pending) { int port_num = GET_PORT_FROM_SIO_IR(pending); struct port_hooks *hooks; @@ -1628,13 +1627,12 @@ ioc3uart_intr_one(struct ioc3_submodule *is, * @is : submodule * @idd: driver data * @pending: interrupts to handle - * @regs: pt_regs * */ static int ioc3uart_intr(struct ioc3_submodule *is, struct ioc3_driver_data *idd, - unsigned int pending, struct pt_regs *regs) + unsigned int pending) { int ret = 0; @@ -1644,9 +1642,9 @@ static int ioc3uart_intr(struct ioc3_submodule *is, */ if (pending & SIO_IR_SA) - ret |= ioc3uart_intr_one(is, idd, pending & SIO_IR_SA, regs); + ret |= ioc3uart_intr_one(is, idd, pending & SIO_IR_SA); if (pending & SIO_IR_SB) - ret |= ioc3uart_intr_one(is, idd, pending & SIO_IR_SB, regs); + ret |= ioc3uart_intr_one(is, idd, pending & SIO_IR_SB); return ret; } diff --git a/drivers/serial/ioc4_serial.c b/drivers/serial/ioc4_serial.c index 5ec4716c99bf..98ce88d80207 100644 --- a/drivers/serial/ioc4_serial.c +++ b/drivers/serial/ioc4_serial.c @@ -987,10 +987,9 @@ intr_connect(struct ioc4_soft *soft, int type, * ioc4_intr - Top level IOC4 interrupt handler. * @irq: irq value * @arg: handler arg - * @regs: registers */ -static irqreturn_t ioc4_intr(int irq, void *arg, struct pt_regs *regs) +static irqreturn_t ioc4_intr(int irq, void *arg) { struct ioc4_soft *soft; uint32_t this_ir, this_mir; diff --git a/drivers/serial/ip22zilog.c b/drivers/serial/ip22zilog.c index dbf13c03a1bb..dca6c1bde8f9 100644 --- a/drivers/serial/ip22zilog.c +++ b/drivers/serial/ip22zilog.c @@ -252,8 +252,7 @@ static void ip22zilog_maybe_update_regs(struct uart_ip22zilog_port *up, } static void ip22zilog_receive_chars(struct uart_ip22zilog_port *up, - struct zilog_channel *channel, - struct pt_regs *regs) + struct zilog_channel *channel) { struct tty_struct *tty = up->port.info->tty; /* XXX info==NULL? */ @@ -319,7 +318,7 @@ static void ip22zilog_receive_chars(struct uart_ip22zilog_port *up, else if (r1 & CRC_ERR) flag = TTY_FRAME; } - if (uart_handle_sysrq_char(&up->port, ch, regs)) + if (uart_handle_sysrq_char(&up->port, ch)) goto next_char; if (up->port.ignore_status_mask == 0xff || @@ -339,8 +338,7 @@ static void ip22zilog_receive_chars(struct uart_ip22zilog_port *up, } static void ip22zilog_status_handle(struct uart_ip22zilog_port *up, - struct zilog_channel *channel, - struct pt_regs *regs) + struct zilog_channel *channel) { unsigned char status; @@ -443,7 +441,7 @@ ack_tx_int: ZS_WSYNC(channel); } -static irqreturn_t ip22zilog_interrupt(int irq, void *dev_id, struct pt_regs *regs) +static irqreturn_t ip22zilog_interrupt(int irq, void *dev_id) { struct uart_ip22zilog_port *up = dev_id; @@ -462,9 +460,9 @@ static irqreturn_t ip22zilog_interrupt(int irq, void *dev_id, struct pt_regs *re ZS_WSYNC(channel); if (r3 & CHARxIP) - ip22zilog_receive_chars(up, channel, regs); + ip22zilog_receive_chars(up, channel); if (r3 & CHAEXT) - ip22zilog_status_handle(up, channel, regs); + ip22zilog_status_handle(up, channel); if (r3 & CHATxIP) ip22zilog_transmit_chars(up, channel); } @@ -481,9 +479,9 @@ static irqreturn_t ip22zilog_interrupt(int irq, void *dev_id, struct pt_regs *re ZS_WSYNC(channel); if (r3 & CHBRxIP) - ip22zilog_receive_chars(up, channel, regs); + ip22zilog_receive_chars(up, channel); if (r3 & CHBEXT) - ip22zilog_status_handle(up, channel, regs); + ip22zilog_status_handle(up, channel); if (r3 & CHBTxIP) ip22zilog_transmit_chars(up, channel); } diff --git a/drivers/serial/jsm/jsm.h b/drivers/serial/jsm/jsm.h index 043f50b1d10c..12c934a1f274 100644 --- a/drivers/serial/jsm/jsm.h +++ b/drivers/serial/jsm/jsm.h @@ -99,7 +99,7 @@ struct jsm_channel; * Per board operations structure * ************************************************************************/ struct board_ops { - irqreturn_t (*intr) (int irq, void *voidbrd, struct pt_regs *regs); + irq_handler_t intr; void (*uart_init) (struct jsm_channel *ch); void (*uart_off) (struct jsm_channel *ch); void (*param) (struct jsm_channel *ch); diff --git a/drivers/serial/jsm/jsm_neo.c b/drivers/serial/jsm/jsm_neo.c index a5fc589d6ef5..8fa31e68989a 100644 --- a/drivers/serial/jsm/jsm_neo.c +++ b/drivers/serial/jsm/jsm_neo.c @@ -1114,7 +1114,7 @@ static void neo_param(struct jsm_channel *ch) * * Neo specific interrupt handler. */ -static irqreturn_t neo_intr(int irq, void *voidbrd, struct pt_regs *regs) +static irqreturn_t neo_intr(int irq, void *voidbrd) { struct jsm_board *brd = (struct jsm_board *) voidbrd; struct jsm_channel *ch; diff --git a/drivers/serial/m32r_sio.c b/drivers/serial/m32r_sio.c index 28c9ce6f0bdc..c85ac1a77608 100644 --- a/drivers/serial/m32r_sio.c +++ b/drivers/serial/m32r_sio.c @@ -323,8 +323,7 @@ static void m32r_sio_enable_ms(struct uart_port *port) serial_out(up, UART_IER, up->ier); } -static void receive_chars(struct uart_sio_port *up, int *status, - struct pt_regs *regs) +static void receive_chars(struct uart_sio_port *up, int *status) { struct tty_struct *tty = up->port.info->tty; unsigned char ch; @@ -378,7 +377,7 @@ static void receive_chars(struct uart_sio_port *up, int *status, else if (*status & UART_LSR_FE) flag = TTY_FRAME; } - if (uart_handle_sysrq_char(&up->port, ch, regs)) + if (uart_handle_sysrq_char(&up->port, ch)) goto ignore_char; if ((*status & up->port.ignore_status_mask) == 0) tty_insert_flip_char(tty, ch, flag); @@ -439,12 +438,12 @@ static void transmit_chars(struct uart_sio_port *up) * This handles the interrupt from one port. */ static inline void m32r_sio_handle_port(struct uart_sio_port *up, - unsigned int status, struct pt_regs *regs) + unsigned int status) { DEBUG_INTR("status = %x...", status); if (status & 0x04) - receive_chars(up, &status, regs); + receive_chars(up, &status); if (status & 0x01) transmit_chars(up); } @@ -463,8 +462,7 @@ static inline void m32r_sio_handle_port(struct uart_sio_port *up, * This means we need to loop through all ports. checking that they * don't have an interrupt pending. */ -static irqreturn_t m32r_sio_interrupt(int irq, void *dev_id, - struct pt_regs *regs) +static irqreturn_t m32r_sio_interrupt(int irq, void *dev_id) { struct irq_info *i = dev_id; struct list_head *l, *end = NULL; @@ -492,7 +490,7 @@ static irqreturn_t m32r_sio_interrupt(int irq, void *dev_id, sts = sio_in(up, SIOSTS); if (sts & 0x5) { spin_lock(&up->port.lock); - m32r_sio_handle_port(up, sts, regs); + m32r_sio_handle_port(up, sts); spin_unlock(&up->port.lock); end = NULL; diff --git a/drivers/serial/mcfserial.c b/drivers/serial/mcfserial.c index 00d7859c167e..aee1b31f1a1c 100644 --- a/drivers/serial/mcfserial.c +++ b/drivers/serial/mcfserial.c @@ -385,7 +385,7 @@ static inline void transmit_chars(struct mcf_serial *info) /* * This is the serial driver's generic interrupt routine */ -irqreturn_t mcfrs_interrupt(int irq, void *dev_id, struct pt_regs *regs) +irqreturn_t mcfrs_interrupt(int irq, void *dev_id) { struct mcf_serial *info; unsigned char isr; diff --git a/drivers/serial/mpc52xx_uart.c b/drivers/serial/mpc52xx_uart.c index dbad0e31e005..039c2fd6d496 100644 --- a/drivers/serial/mpc52xx_uart.c +++ b/drivers/serial/mpc52xx_uart.c @@ -85,7 +85,7 @@ static struct uart_port mpc52xx_uart_ports[MPC52xx_PSC_MAXNUM]; /* Forward declaration of the interruption handling routine */ -static irqreturn_t mpc52xx_uart_int(int irq,void *dev_id,struct pt_regs *regs); +static irqreturn_t mpc52xx_uart_int(int irq,void *dev_id); /* Simple macro to test if a port is console or not. This one is taken @@ -410,7 +410,7 @@ static struct uart_ops mpc52xx_uart_ops = { /* ======================================================================== */ static inline int -mpc52xx_uart_int_rx_chars(struct uart_port *port, struct pt_regs *regs) +mpc52xx_uart_int_rx_chars(struct uart_port *port) { struct tty_struct *tty = port->info->tty; unsigned char ch, flag; @@ -425,7 +425,7 @@ mpc52xx_uart_int_rx_chars(struct uart_port *port, struct pt_regs *regs) /* Handle sysreq char */ #ifdef SUPPORT_SYSRQ - if (uart_handle_sysrq_char(port, ch, regs)) { + if (uart_handle_sysrq_char(port, ch)) { port->sysrq = 0; continue; } @@ -510,7 +510,7 @@ mpc52xx_uart_int_tx_chars(struct uart_port *port) } static irqreturn_t -mpc52xx_uart_int(int irq, void *dev_id, struct pt_regs *regs) +mpc52xx_uart_int(int irq, void *dev_id) { struct uart_port *port = (struct uart_port *) dev_id; unsigned long pass = ISR_PASS_LIMIT; @@ -539,7 +539,7 @@ mpc52xx_uart_int(int irq, void *dev_id, struct pt_regs *regs) /* Do we need to receive chars ? */ /* For this RX interrupts must be on and some chars waiting */ if ( status & MPC52xx_PSC_IMR_RXRDY ) - keepgoing |= mpc52xx_uart_int_rx_chars(port, regs); + keepgoing |= mpc52xx_uart_int_rx_chars(port); /* Do we need to send chars ? */ /* For this, TX must be ready and TX interrupt enabled */ diff --git a/drivers/serial/mpsc.c b/drivers/serial/mpsc.c index 704243c9f78a..8eea69f29989 100644 --- a/drivers/serial/mpsc.c +++ b/drivers/serial/mpsc.c @@ -992,7 +992,7 @@ mpsc_make_ready(struct mpsc_port_info *pi) */ static inline int -mpsc_rx_intr(struct mpsc_port_info *pi, struct pt_regs *regs) +mpsc_rx_intr(struct mpsc_port_info *pi) { struct mpsc_rx_desc *rxre; struct tty_struct *tty = pi->port.info->tty; @@ -1072,7 +1072,7 @@ mpsc_rx_intr(struct mpsc_port_info *pi, struct pt_regs *regs) flag = TTY_PARITY; } - if (uart_handle_sysrq_char(&pi->port, *bp, regs)) { + if (uart_handle_sysrq_char(&pi->port, *bp)) { bp++; bytes_in--; goto next_frame; @@ -1257,7 +1257,7 @@ mpsc_tx_intr(struct mpsc_port_info *pi) * handling those descriptors, we restart the Rx/Tx engines if they're stopped. */ static irqreturn_t -mpsc_sdma_intr(int irq, void *dev_id, struct pt_regs *regs) +mpsc_sdma_intr(int irq, void *dev_id) { struct mpsc_port_info *pi = dev_id; ulong iflags; @@ -1267,7 +1267,7 @@ mpsc_sdma_intr(int irq, void *dev_id, struct pt_regs *regs) spin_lock_irqsave(&pi->port.lock, iflags); mpsc_sdma_intr_ack(pi); - if (mpsc_rx_intr(pi, regs)) + if (mpsc_rx_intr(pi)) rc = IRQ_HANDLED; if (mpsc_tx_intr(pi)) rc = IRQ_HANDLED; diff --git a/drivers/serial/netx-serial.c b/drivers/serial/netx-serial.c index 7502109d37f0..e92d7e1c22cf 100644 --- a/drivers/serial/netx-serial.c +++ b/drivers/serial/netx-serial.c @@ -200,7 +200,7 @@ static void netx_txint(struct uart_port *port) uart_write_wakeup(port); } -static void netx_rxint(struct uart_port *port, struct pt_regs *regs) +static void netx_rxint(struct uart_port *port) { unsigned char rx, flg, status; struct tty_struct *tty = port->info->tty; @@ -235,7 +235,7 @@ static void netx_rxint(struct uart_port *port, struct pt_regs *regs) flg = TTY_FRAME; } - if (uart_handle_sysrq_char(port, rx, regs)) + if (uart_handle_sysrq_char(port, rx)) continue; uart_insert_char(port, status, SR_OE, rx, flg); @@ -245,7 +245,7 @@ static void netx_rxint(struct uart_port *port, struct pt_regs *regs) return; } -static irqreturn_t netx_int(int irq, void *dev_id, struct pt_regs *regs) +static irqreturn_t netx_int(int irq, void *dev_id) { struct uart_port *port = (struct uart_port *)dev_id; unsigned long flags; @@ -256,7 +256,7 @@ static irqreturn_t netx_int(int irq, void *dev_id, struct pt_regs *regs) status = readl(port->membase + UART_IIR) & IIR_MASK; while (status) { if (status & IIR_RIS) - netx_rxint(port, regs); + netx_rxint(port); if (status & IIR_TIS) netx_txint(port); if (status & IIR_MIS) { diff --git a/drivers/serial/pmac_zilog.c b/drivers/serial/pmac_zilog.c index a3b99caf80e6..bf9809ed9c0b 100644 --- a/drivers/serial/pmac_zilog.c +++ b/drivers/serial/pmac_zilog.c @@ -204,8 +204,7 @@ static void pmz_maybe_update_regs(struct uart_pmac_port *uap) } } -static struct tty_struct *pmz_receive_chars(struct uart_pmac_port *uap, - struct pt_regs *regs) +static struct tty_struct *pmz_receive_chars(struct uart_pmac_port *uap) { struct tty_struct *tty = NULL; unsigned char ch, r1, drop, error, flag; @@ -267,7 +266,7 @@ static struct tty_struct *pmz_receive_chars(struct uart_pmac_port *uap, if (uap->port.sysrq) { int swallow; spin_unlock(&uap->port.lock); - swallow = uart_handle_sysrq_char(&uap->port, ch, regs); + swallow = uart_handle_sysrq_char(&uap->port, ch); spin_lock(&uap->port.lock); if (swallow) goto next_char; @@ -335,7 +334,7 @@ static struct tty_struct *pmz_receive_chars(struct uart_pmac_port *uap, return tty; } -static void pmz_status_handle(struct uart_pmac_port *uap, struct pt_regs *regs) +static void pmz_status_handle(struct uart_pmac_port *uap) { unsigned char status; @@ -438,7 +437,7 @@ ack_tx_int: } /* Hrm... we register that twice, fixme later.... */ -static irqreturn_t pmz_interrupt(int irq, void *dev_id, struct pt_regs *regs) +static irqreturn_t pmz_interrupt(int irq, void *dev_id) { struct uart_pmac_port *uap = dev_id; struct uart_pmac_port *uap_a; @@ -462,9 +461,9 @@ static irqreturn_t pmz_interrupt(int irq, void *dev_id, struct pt_regs *regs) write_zsreg(uap_a, R0, RES_H_IUS); zssync(uap_a); if (r3 & CHAEXT) - pmz_status_handle(uap_a, regs); + pmz_status_handle(uap_a); if (r3 & CHARxIP) - tty = pmz_receive_chars(uap_a, regs); + tty = pmz_receive_chars(uap_a); if (r3 & CHATxIP) pmz_transmit_chars(uap_a); rc = IRQ_HANDLED; @@ -482,9 +481,9 @@ static irqreturn_t pmz_interrupt(int irq, void *dev_id, struct pt_regs *regs) write_zsreg(uap_b, R0, RES_H_IUS); zssync(uap_b); if (r3 & CHBEXT) - pmz_status_handle(uap_b, regs); + pmz_status_handle(uap_b); if (r3 & CHBRxIP) - tty = pmz_receive_chars(uap_b, regs); + tty = pmz_receive_chars(uap_b); if (r3 & CHBTxIP) pmz_transmit_chars(uap_b); rc = IRQ_HANDLED; diff --git a/drivers/serial/pxa.c b/drivers/serial/pxa.c index a720953a404e..846089f222d4 100644 --- a/drivers/serial/pxa.c +++ b/drivers/serial/pxa.c @@ -98,8 +98,7 @@ static void serial_pxa_stop_rx(struct uart_port *port) serial_out(up, UART_IER, up->ier); } -static inline void -receive_chars(struct uart_pxa_port *up, int *status, struct pt_regs *regs) +static inline void receive_chars(struct uart_pxa_port *up, int *status) { struct tty_struct *tty = up->port.info->tty; unsigned int ch, flag; @@ -153,7 +152,7 @@ receive_chars(struct uart_pxa_port *up, int *status, struct pt_regs *regs) flag = TTY_FRAME; } - if (uart_handle_sysrq_char(&up->port, ch, regs)) + if (uart_handle_sysrq_char(&up->port, ch)) goto ignore_char; uart_insert_char(&up->port, *status, UART_LSR_OE, ch, flag); @@ -231,8 +230,7 @@ static inline void check_modem_status(struct uart_pxa_port *up) /* * This handles the interrupt from one port. */ -static inline irqreturn_t -serial_pxa_irq(int irq, void *dev_id, struct pt_regs *regs) +static inline irqreturn_t serial_pxa_irq(int irq, void *dev_id) { struct uart_pxa_port *up = (struct uart_pxa_port *)dev_id; unsigned int iir, lsr; @@ -242,7 +240,7 @@ serial_pxa_irq(int irq, void *dev_id, struct pt_regs *regs) return IRQ_NONE; lsr = serial_in(up, UART_LSR); if (lsr & UART_LSR_DR) - receive_chars(up, &lsr, regs); + receive_chars(up, &lsr); check_modem_status(up); if (lsr & UART_LSR_THRE) transmit_chars(up); diff --git a/drivers/serial/s3c2410.c b/drivers/serial/s3c2410.c index 95738a19cde7..8dfc2dd058ca 100644 --- a/drivers/serial/s3c2410.c +++ b/drivers/serial/s3c2410.c @@ -310,7 +310,7 @@ static int s3c24xx_serial_rx_fifocnt(struct s3c24xx_uart_port *ourport, #define S3C2410_UERSTAT_PARITY (0x1000) static irqreturn_t -s3c24xx_serial_rx_chars(int irq, void *dev_id, struct pt_regs *regs) +s3c24xx_serial_rx_chars(int irq, void *dev_id) { struct s3c24xx_uart_port *ourport = dev_id; struct uart_port *port = &ourport->port; @@ -379,7 +379,7 @@ s3c24xx_serial_rx_chars(int irq, void *dev_id, struct pt_regs *regs) flag = TTY_FRAME; } - if (uart_handle_sysrq_char(port, ch, regs)) + if (uart_handle_sysrq_char(port, ch)) goto ignore_char; uart_insert_char(port, uerstat, S3C2410_UERSTAT_OVERRUN, ch, flag); @@ -393,7 +393,7 @@ s3c24xx_serial_rx_chars(int irq, void *dev_id, struct pt_regs *regs) return IRQ_HANDLED; } -static irqreturn_t s3c24xx_serial_tx_chars(int irq, void *id, struct pt_regs *regs) +static irqreturn_t s3c24xx_serial_tx_chars(int irq, void *id) { struct s3c24xx_uart_port *ourport = id; struct uart_port *port = &ourport->port; diff --git a/drivers/serial/sa1100.c b/drivers/serial/sa1100.c index db3486d33870..d4065266b6fc 100644 --- a/drivers/serial/sa1100.c +++ b/drivers/serial/sa1100.c @@ -190,7 +190,7 @@ static void sa1100_enable_ms(struct uart_port *port) } static void -sa1100_rx_chars(struct sa1100_port *sport, struct pt_regs *regs) +sa1100_rx_chars(struct sa1100_port *sport) { struct tty_struct *tty = sport->port.info->tty; unsigned int status, ch, flg; @@ -228,7 +228,7 @@ sa1100_rx_chars(struct sa1100_port *sport, struct pt_regs *regs) #endif } - if (uart_handle_sysrq_char(&sport->port, ch, regs)) + if (uart_handle_sysrq_char(&sport->port, ch)) goto ignore_char; uart_insert_char(&sport->port, status, UTSR1_TO_SM(UTSR1_ROR), ch, flg); @@ -281,7 +281,7 @@ static void sa1100_tx_chars(struct sa1100_port *sport) sa1100_stop_tx(&sport->port); } -static irqreturn_t sa1100_int(int irq, void *dev_id, struct pt_regs *regs) +static irqreturn_t sa1100_int(int irq, void *dev_id) { struct sa1100_port *sport = dev_id; unsigned int status, pass_counter = 0; @@ -294,7 +294,7 @@ static irqreturn_t sa1100_int(int irq, void *dev_id, struct pt_regs *regs) /* Clear the receiver idle bit, if set */ if (status & UTSR0_RID) UART_PUT_UTSR0(sport, UTSR0_RID); - sa1100_rx_chars(sport, regs); + sa1100_rx_chars(sport); } /* Clear the relevant break bits */ diff --git a/drivers/serial/serial_lh7a40x.c b/drivers/serial/serial_lh7a40x.c index 23ddedbaec08..5e1ac356bbb0 100644 --- a/drivers/serial/serial_lh7a40x.c +++ b/drivers/serial/serial_lh7a40x.c @@ -135,12 +135,7 @@ static void lh7a40xuart_enable_ms (struct uart_port* port) BIT_SET (port, UART_R_INTEN, ModemInt); } -static void -#ifdef SUPPORT_SYSRQ -lh7a40xuart_rx_chars (struct uart_port* port, struct pt_regs* regs) -#else -lh7a40xuart_rx_chars (struct uart_port* port) -#endif +static void lh7a40xuart_rx_chars (struct uart_port* port) { struct tty_struct* tty = port->info->tty; int cbRxMax = 256; /* (Gross) limit on receive */ @@ -177,7 +172,7 @@ lh7a40xuart_rx_chars (struct uart_port* port) flag = TTY_FRAME; } - if (uart_handle_sysrq_char (port, (unsigned char) data, regs)) + if (uart_handle_sysrq_char (port, (unsigned char) data)) continue; uart_insert_char(port, data, RxOverrunError, data, flag); @@ -248,8 +243,7 @@ static void lh7a40xuart_modem_status (struct uart_port* port) wake_up_interruptible (&port->info->delta_msr_wait); } -static irqreturn_t lh7a40xuart_int (int irq, void* dev_id, - struct pt_regs* regs) +static irqreturn_t lh7a40xuart_int (int irq, void* dev_id) { struct uart_port* port = dev_id; unsigned int cLoopLimit = ISR_LOOP_LIMIT; @@ -258,11 +252,7 @@ static irqreturn_t lh7a40xuart_int (int irq, void* dev_id, do { if (isr & (RxInt | RxTimeoutInt)) -#ifdef SUPPORT_SYSRQ - lh7a40xuart_rx_chars(port, regs); -#else lh7a40xuart_rx_chars(port); -#endif if (isr & ModemInt) lh7a40xuart_modem_status (port); if (isr & TxInt) diff --git a/drivers/serial/serial_txx9.c b/drivers/serial/serial_txx9.c index ebd8d2bb17fd..2a48289ac722 100644 --- a/drivers/serial/serial_txx9.c +++ b/drivers/serial/serial_txx9.c @@ -283,7 +283,7 @@ static void serial_txx9_enable_ms(struct uart_port *port) } static inline void -receive_chars(struct uart_txx9_port *up, unsigned int *status, struct pt_regs *regs) +receive_chars(struct uart_txx9_port *up, unsigned int *status) { struct tty_struct *tty = up->port.info->tty; unsigned char ch; @@ -344,7 +344,7 @@ receive_chars(struct uart_txx9_port *up, unsigned int *status, struct pt_regs *r else if (disr & TXX9_SIDISR_UFER) flag = TTY_FRAME; } - if (uart_handle_sysrq_char(&up->port, ch, regs)) + if (uart_handle_sysrq_char(&up->port, ch)) goto ignore_char; uart_insert_char(&up->port, disr, TXX9_SIDISR_UOER, ch, flag); @@ -391,7 +391,7 @@ static inline void transmit_chars(struct uart_txx9_port *up) serial_txx9_stop_tx(&up->port); } -static irqreturn_t serial_txx9_interrupt(int irq, void *dev_id, struct pt_regs *regs) +static irqreturn_t serial_txx9_interrupt(int irq, void *dev_id) { int pass_counter = 0; struct uart_txx9_port *up = dev_id; @@ -409,7 +409,7 @@ static irqreturn_t serial_txx9_interrupt(int irq, void *dev_id, struct pt_regs * } if (status & TXX9_SIDISR_RDIS) - receive_chars(up, &status, regs); + receive_chars(up, &status); if (status & TXX9_SIDISR_TDIS) transmit_chars(up); /* Clear TX/RX Int. Status */ diff --git a/drivers/serial/sh-sci.c b/drivers/serial/sh-sci.c index 5c025d1190c1..266aa325569e 100644 --- a/drivers/serial/sh-sci.c +++ b/drivers/serial/sh-sci.c @@ -446,8 +446,7 @@ static void sci_transmit_chars(struct uart_port *port) /* On SH3, SCIF may read end-of-break as a space->mark char */ #define STEPFN(c) ({int __c=(c); (((__c-1)|(__c)) == -1); }) -static inline void sci_receive_chars(struct uart_port *port, - struct pt_regs *regs) +static inline void sci_receive_chars(struct uart_port *port) { struct sci_port *sci_port = (struct sci_port *)port; struct tty_struct *tty = port->info->tty; @@ -476,7 +475,7 @@ static inline void sci_receive_chars(struct uart_port *port, if (port->type == PORT_SCI) { char c = sci_in(port, SCxRDR); - if (uart_handle_sysrq_char(port, c, regs) || sci_port->break_flag) + if (uart_handle_sysrq_char(port, c) || sci_port->break_flag) count = 0; else { tty_insert_flip_char(tty, c, TTY_NORMAL); @@ -504,7 +503,7 @@ static inline void sci_receive_chars(struct uart_port *port, } } #endif /* CONFIG_CPU_SH3 */ - if (uart_handle_sysrq_char(port, c, regs)) { + if (uart_handle_sysrq_char(port, c)) { count--; i--; continue; } @@ -652,18 +651,18 @@ static inline int sci_handle_breaks(struct uart_port *port) return copied; } -static irqreturn_t sci_rx_interrupt(int irq, void *port, struct pt_regs *regs) +static irqreturn_t sci_rx_interrupt(int irq, void *port) { /* I think sci_receive_chars has to be called irrespective * of whether the I_IXOFF is set, otherwise, how is the interrupt * to be disabled? */ - sci_receive_chars(port, regs); + sci_receive_chars(port); return IRQ_HANDLED; } -static irqreturn_t sci_tx_interrupt(int irq, void *ptr, struct pt_regs *regs) +static irqreturn_t sci_tx_interrupt(int irq, void *ptr) { struct uart_port *port = ptr; @@ -674,7 +673,7 @@ static irqreturn_t sci_tx_interrupt(int irq, void *ptr, struct pt_regs *regs) return IRQ_HANDLED; } -static irqreturn_t sci_er_interrupt(int irq, void *ptr, struct pt_regs *regs) +static irqreturn_t sci_er_interrupt(int irq, void *ptr) { struct uart_port *port = ptr; @@ -696,18 +695,18 @@ static irqreturn_t sci_er_interrupt(int irq, void *ptr, struct pt_regs *regs) pr_debug("scif: overrun error\n"); } #endif - sci_rx_interrupt(irq, ptr, regs); + sci_rx_interrupt(irq, ptr); } sci_out(port, SCxSR, SCxSR_ERROR_CLEAR(port)); /* Kick the transmission */ - sci_tx_interrupt(irq, ptr, regs); + sci_tx_interrupt(irq, ptr); return IRQ_HANDLED; } -static irqreturn_t sci_br_interrupt(int irq, void *ptr, struct pt_regs *regs) +static irqreturn_t sci_br_interrupt(int irq, void *ptr) { struct uart_port *port = ptr; @@ -724,7 +723,7 @@ static irqreturn_t sci_br_interrupt(int irq, void *ptr, struct pt_regs *regs) return IRQ_HANDLED; } -static irqreturn_t sci_mpxed_interrupt(int irq, void *ptr, struct pt_regs *regs) +static irqreturn_t sci_mpxed_interrupt(int irq, void *ptr) { unsigned short ssr_status, scr_status; struct uart_port *port = ptr; @@ -734,16 +733,16 @@ static irqreturn_t sci_mpxed_interrupt(int irq, void *ptr, struct pt_regs *regs) /* Tx Interrupt */ if ((ssr_status & 0x0020) && (scr_status & 0x0080)) - sci_tx_interrupt(irq, ptr, regs); + sci_tx_interrupt(irq, ptr); /* Rx Interrupt */ if ((ssr_status & 0x0002) && (scr_status & 0x0040)) - sci_rx_interrupt(irq, ptr, regs); + sci_rx_interrupt(irq, ptr); /* Error Interrupt */ if ((ssr_status & 0x0080) && (scr_status & 0x0400)) - sci_er_interrupt(irq, ptr, regs); + sci_er_interrupt(irq, ptr); /* Break Interrupt */ if ((ssr_status & 0x0010) && (scr_status & 0x0200)) - sci_br_interrupt(irq, ptr, regs); + sci_br_interrupt(irq, ptr); return IRQ_HANDLED; } @@ -795,7 +794,7 @@ static struct notifier_block sci_nb = { &sci_notifier, NULL, 0 }; static int sci_request_irq(struct sci_port *port) { int i; - irqreturn_t (*handlers[4])(int irq, void *ptr, struct pt_regs *regs) = { + irqreturn_t (*handlers[4])(int irq, void *ptr) = { sci_er_interrupt, sci_rx_interrupt, sci_tx_interrupt, sci_br_interrupt, }; diff --git a/drivers/serial/sn_console.c b/drivers/serial/sn_console.c index 2f148e5b9255..709f93a6c18c 100644 --- a/drivers/serial/sn_console.c +++ b/drivers/serial/sn_console.c @@ -447,7 +447,6 @@ static int sn_debug_printf(const char *fmt, ...) /** * sn_receive_chars - Grab characters, pass them to tty layer * @port: Port to operate on - * @regs: Saved registers (needed by uart_handle_sysrq_char) * @flags: irq flags * * Note: If we're not registered with the serial core infrastructure yet, @@ -455,8 +454,7 @@ static int sn_debug_printf(const char *fmt, ...) * */ static void -sn_receive_chars(struct sn_cons_port *port, struct pt_regs *regs, - unsigned long flags) +sn_receive_chars(struct sn_cons_port *port, unsigned long flags) { int ch; struct tty_struct *tty; @@ -494,7 +492,7 @@ sn_receive_chars(struct sn_cons_port *port, struct pt_regs *regs, sysrq_requested = 0; if (ch && time_before(jiffies, sysrq_timeout)) { spin_unlock_irqrestore(&port->sc_port.lock, flags); - handle_sysrq(ch, regs, NULL); + handle_sysrq(ch, NULL); spin_lock_irqsave(&port->sc_port.lock, flags); /* ignore actual sysrq command char */ continue; @@ -615,10 +613,9 @@ static void sn_transmit_chars(struct sn_cons_port *port, int raw) * sn_sal_interrupt - Handle console interrupts * @irq: irq #, useful for debug statements * @dev_id: our pointer to our port (sn_cons_port which contains the uart port) - * @regs: Saved registers, used by sn_receive_chars for uart_handle_sysrq_char * */ -static irqreturn_t sn_sal_interrupt(int irq, void *dev_id, struct pt_regs *regs) +static irqreturn_t sn_sal_interrupt(int irq, void *dev_id) { struct sn_cons_port *port = (struct sn_cons_port *)dev_id; unsigned long flags; @@ -629,7 +626,7 @@ static irqreturn_t sn_sal_interrupt(int irq, void *dev_id, struct pt_regs *regs) spin_lock_irqsave(&port->sc_port.lock, flags); if (status & SAL_CONSOLE_INTR_RECV) { - sn_receive_chars(port, regs, flags); + sn_receive_chars(port, flags); } if (status & SAL_CONSOLE_INTR_XMIT) { sn_transmit_chars(port, TRANSMIT_BUFFERED); diff --git a/drivers/serial/sunhv.c b/drivers/serial/sunhv.c index f851f0f44f9b..03941d27d15d 100644 --- a/drivers/serial/sunhv.c +++ b/drivers/serial/sunhv.c @@ -73,7 +73,7 @@ static inline long hypervisor_con_putchar(long ch) static int hung_up = 0; -static struct tty_struct *receive_chars(struct uart_port *port, struct pt_regs *regs) +static struct tty_struct *receive_chars(struct uart_port *port) { struct tty_struct *tty = NULL; int saw_console_brk = 0; @@ -106,7 +106,7 @@ static struct tty_struct *receive_chars(struct uart_port *port, struct pt_regs * } if (tty == NULL) { - uart_handle_sysrq_char(port, c, regs); + uart_handle_sysrq_char(port, c); continue; } @@ -119,7 +119,7 @@ static struct tty_struct *receive_chars(struct uart_port *port, struct pt_regs * flag = TTY_BREAK; } - if (uart_handle_sysrq_char(port, c, regs)) + if (uart_handle_sysrq_char(port, c)) continue; if ((port->ignore_status_mask & IGNORE_ALL) || @@ -161,14 +161,14 @@ static void transmit_chars(struct uart_port *port) uart_write_wakeup(port); } -static irqreturn_t sunhv_interrupt(int irq, void *dev_id, struct pt_regs *regs) +static irqreturn_t sunhv_interrupt(int irq, void *dev_id) { struct uart_port *port = dev_id; struct tty_struct *tty; unsigned long flags; spin_lock_irqsave(&port->lock, flags); - tty = receive_chars(port, regs); + tty = receive_chars(port); transmit_chars(port); spin_unlock_irqrestore(&port->lock, flags); diff --git a/drivers/serial/sunsab.c b/drivers/serial/sunsab.c index cfe20f730436..08a7cd6a3a0c 100644 --- a/drivers/serial/sunsab.c +++ b/drivers/serial/sunsab.c @@ -108,8 +108,7 @@ static __inline__ void sunsab_cec_wait(struct uart_sunsab_port *up) static struct tty_struct * receive_chars(struct uart_sunsab_port *up, - union sab82532_irq_status *stat, - struct pt_regs *regs) + union sab82532_irq_status *stat) { struct tty_struct *tty = NULL; unsigned char buf[32]; @@ -161,7 +160,7 @@ receive_chars(struct uart_sunsab_port *up, unsigned char ch = buf[i], flag; if (tty == NULL) { - uart_handle_sysrq_char(&up->port, ch, regs); + uart_handle_sysrq_char(&up->port, ch); continue; } @@ -208,7 +207,7 @@ receive_chars(struct uart_sunsab_port *up, flag = TTY_FRAME; } - if (uart_handle_sysrq_char(&up->port, ch, regs)) + if (uart_handle_sysrq_char(&up->port, ch)) continue; if ((stat->sreg.isr0 & (up->port.ignore_status_mask & 0xff)) == 0 && @@ -301,7 +300,7 @@ static void check_status(struct uart_sunsab_port *up, wake_up_interruptible(&up->port.info->delta_msr_wait); } -static irqreturn_t sunsab_interrupt(int irq, void *dev_id, struct pt_regs *regs) +static irqreturn_t sunsab_interrupt(int irq, void *dev_id) { struct uart_sunsab_port *up = dev_id; struct tty_struct *tty; @@ -321,7 +320,7 @@ static irqreturn_t sunsab_interrupt(int irq, void *dev_id, struct pt_regs *regs) if ((status.sreg.isr0 & (SAB82532_ISR0_TCD | SAB82532_ISR0_TIME | SAB82532_ISR0_RFO | SAB82532_ISR0_RPF)) || (status.sreg.isr1 & SAB82532_ISR1_BRK)) - tty = receive_chars(up, &status, regs); + tty = receive_chars(up, &status); if ((status.sreg.isr0 & SAB82532_ISR0_CDSC) || (status.sreg.isr1 & SAB82532_ISR1_CSC)) check_status(up, &status); @@ -350,7 +349,7 @@ static irqreturn_t sunsab_interrupt(int irq, void *dev_id, struct pt_regs *regs) SAB82532_ISR0_RFO | SAB82532_ISR0_RPF)) || (status.sreg.isr1 & SAB82532_ISR1_BRK)) - tty = receive_chars(up, &status, regs); + tty = receive_chars(up, &status); if ((status.sreg.isr0 & SAB82532_ISR0_CDSC) || (status.sreg.isr1 & (SAB82532_ISR1_BRK | SAB82532_ISR1_CSC))) check_status(up, &status); diff --git a/drivers/serial/sunsu.c b/drivers/serial/sunsu.c index 9b3b9aaa6b90..c577faea60e8 100644 --- a/drivers/serial/sunsu.c +++ b/drivers/serial/sunsu.c @@ -310,7 +310,7 @@ static void sunsu_enable_ms(struct uart_port *port) } static struct tty_struct * -receive_chars(struct uart_sunsu_port *up, unsigned char *status, struct pt_regs *regs) +receive_chars(struct uart_sunsu_port *up, unsigned char *status) { struct tty_struct *tty = up->port.info->tty; unsigned char ch, flag; @@ -367,7 +367,7 @@ receive_chars(struct uart_sunsu_port *up, unsigned char *status, struct pt_regs else if (*status & UART_LSR_FE) flag = TTY_FRAME; } - if (uart_handle_sysrq_char(&up->port, ch, regs)) + if (uart_handle_sysrq_char(&up->port, ch)) goto ignore_char; if ((*status & up->port.ignore_status_mask) == 0) tty_insert_flip_char(tty, ch, flag); @@ -445,7 +445,7 @@ static void check_modem_status(struct uart_sunsu_port *up) wake_up_interruptible(&up->port.info->delta_msr_wait); } -static irqreturn_t sunsu_serial_interrupt(int irq, void *dev_id, struct pt_regs *regs) +static irqreturn_t sunsu_serial_interrupt(int irq, void *dev_id) { struct uart_sunsu_port *up = dev_id; unsigned long flags; @@ -459,7 +459,7 @@ static irqreturn_t sunsu_serial_interrupt(int irq, void *dev_id, struct pt_regs status = serial_inp(up, UART_LSR); tty = NULL; if (status & UART_LSR_DR) - tty = receive_chars(up, &status, regs); + tty = receive_chars(up, &status); check_modem_status(up); if (status & UART_LSR_THRE) transmit_chars(up); @@ -497,7 +497,7 @@ static void sunsu_change_mouse_baud(struct uart_sunsu_port *up) sunsu_change_speed(&up->port, up->cflag, 0, quot); } -static void receive_kbd_ms_chars(struct uart_sunsu_port *up, struct pt_regs *regs, int is_break) +static void receive_kbd_ms_chars(struct uart_sunsu_port *up, int is_break) { do { unsigned char ch = serial_inp(up, UART_RX); @@ -505,7 +505,7 @@ static void receive_kbd_ms_chars(struct uart_sunsu_port *up, struct pt_regs *reg /* Stop-A is handled by drivers/char/keyboard.c now. */ if (up->su_type == SU_PORT_KBD) { #ifdef CONFIG_SERIO - serio_interrupt(&up->serio, ch, 0, regs); + serio_interrupt(&up->serio, ch, 0); #endif } else if (up->su_type == SU_PORT_MS) { int ret = suncore_mouse_baud_detection(ch, is_break); @@ -519,7 +519,7 @@ static void receive_kbd_ms_chars(struct uart_sunsu_port *up, struct pt_regs *reg case 0: #ifdef CONFIG_SERIO - serio_interrupt(&up->serio, ch, 0, regs); + serio_interrupt(&up->serio, ch, 0); #endif break; }; @@ -527,7 +527,7 @@ static void receive_kbd_ms_chars(struct uart_sunsu_port *up, struct pt_regs *reg } while (serial_in(up, UART_LSR) & UART_LSR_DR); } -static irqreturn_t sunsu_kbd_ms_interrupt(int irq, void *dev_id, struct pt_regs *regs) +static irqreturn_t sunsu_kbd_ms_interrupt(int irq, void *dev_id) { struct uart_sunsu_port *up = dev_id; @@ -535,8 +535,7 @@ static irqreturn_t sunsu_kbd_ms_interrupt(int irq, void *dev_id, struct pt_regs unsigned char status = serial_inp(up, UART_LSR); if ((status & UART_LSR_DR) || (status & UART_LSR_BI)) - receive_kbd_ms_chars(up, regs, - (status & UART_LSR_BI) != 0); + receive_kbd_ms_chars(up, (status & UART_LSR_BI) != 0); } return IRQ_HANDLED; diff --git a/drivers/serial/sunzilog.c b/drivers/serial/sunzilog.c index 0da3ebfff82d..b11f6dea2704 100644 --- a/drivers/serial/sunzilog.c +++ b/drivers/serial/sunzilog.c @@ -277,14 +277,13 @@ static void sunzilog_change_mouse_baud(struct uart_sunzilog_port *up) } static void sunzilog_kbdms_receive_chars(struct uart_sunzilog_port *up, - unsigned char ch, int is_break, - struct pt_regs *regs) + unsigned char ch, int is_break) { if (ZS_IS_KEYB(up)) { /* Stop-A is handled by drivers/char/keyboard.c now. */ #ifdef CONFIG_SERIO if (up->serio_open) - serio_interrupt(&up->serio, ch, 0, regs); + serio_interrupt(&up->serio, ch, 0); #endif } else if (ZS_IS_MOUSE(up)) { int ret = suncore_mouse_baud_detection(ch, is_break); @@ -299,7 +298,7 @@ static void sunzilog_kbdms_receive_chars(struct uart_sunzilog_port *up, case 0: #ifdef CONFIG_SERIO if (up->serio_open) - serio_interrupt(&up->serio, ch, 0, regs); + serio_interrupt(&up->serio, ch, 0); #endif break; }; @@ -308,8 +307,7 @@ static void sunzilog_kbdms_receive_chars(struct uart_sunzilog_port *up, static struct tty_struct * sunzilog_receive_chars(struct uart_sunzilog_port *up, - struct zilog_channel __iomem *channel, - struct pt_regs *regs) + struct zilog_channel __iomem *channel) { struct tty_struct *tty; unsigned char ch, r1, flag; @@ -346,12 +344,12 @@ sunzilog_receive_chars(struct uart_sunzilog_port *up, ch &= up->parity_mask; if (unlikely(ZS_IS_KEYB(up)) || unlikely(ZS_IS_MOUSE(up))) { - sunzilog_kbdms_receive_chars(up, ch, 0, regs); + sunzilog_kbdms_receive_chars(up, ch, 0); continue; } if (tty == NULL) { - uart_handle_sysrq_char(&up->port, ch, regs); + uart_handle_sysrq_char(&up->port, ch); continue; } @@ -379,7 +377,7 @@ sunzilog_receive_chars(struct uart_sunzilog_port *up, else if (r1 & CRC_ERR) flag = TTY_FRAME; } - if (uart_handle_sysrq_char(&up->port, ch, regs)) + if (uart_handle_sysrq_char(&up->port, ch)) continue; if (up->port.ignore_status_mask == 0xff || @@ -394,8 +392,7 @@ sunzilog_receive_chars(struct uart_sunzilog_port *up, } static void sunzilog_status_handle(struct uart_sunzilog_port *up, - struct zilog_channel __iomem *channel, - struct pt_regs *regs) + struct zilog_channel __iomem *channel) { unsigned char status; @@ -408,7 +405,7 @@ static void sunzilog_status_handle(struct uart_sunzilog_port *up, if (status & BRK_ABRT) { if (ZS_IS_MOUSE(up)) - sunzilog_kbdms_receive_chars(up, 0, 1, regs); + sunzilog_kbdms_receive_chars(up, 0, 1); if (ZS_IS_CONS(up)) { /* Wait for BREAK to deassert to avoid potentially * confusing the PROM. @@ -517,7 +514,7 @@ ack_tx_int: ZS_WSYNC(channel); } -static irqreturn_t sunzilog_interrupt(int irq, void *dev_id, struct pt_regs *regs) +static irqreturn_t sunzilog_interrupt(int irq, void *dev_id) { struct uart_sunzilog_port *up = dev_id; @@ -538,9 +535,9 @@ static irqreturn_t sunzilog_interrupt(int irq, void *dev_id, struct pt_regs *reg ZS_WSYNC(channel); if (r3 & CHARxIP) - tty = sunzilog_receive_chars(up, channel, regs); + tty = sunzilog_receive_chars(up, channel); if (r3 & CHAEXT) - sunzilog_status_handle(up, channel, regs); + sunzilog_status_handle(up, channel); if (r3 & CHATxIP) sunzilog_transmit_chars(up, channel); } @@ -561,9 +558,9 @@ static irqreturn_t sunzilog_interrupt(int irq, void *dev_id, struct pt_regs *reg ZS_WSYNC(channel); if (r3 & CHBRxIP) - tty = sunzilog_receive_chars(up, channel, regs); + tty = sunzilog_receive_chars(up, channel); if (r3 & CHBEXT) - sunzilog_status_handle(up, channel, regs); + sunzilog_status_handle(up, channel); if (r3 & CHBTxIP) sunzilog_transmit_chars(up, channel); } diff --git a/drivers/serial/v850e_uart.c b/drivers/serial/v850e_uart.c index f802867c95c5..28f3bbff87bf 100644 --- a/drivers/serial/v850e_uart.c +++ b/drivers/serial/v850e_uart.c @@ -271,14 +271,14 @@ void v850e_uart_tx (struct uart_port *port) v850e_uart_stop_tx (port, stopped); } -static irqreturn_t v850e_uart_tx_irq(int irq, void *data, struct pt_regs *regs) +static irqreturn_t v850e_uart_tx_irq(int irq, void *data) { struct uart_port *port = data; v850e_uart_tx (port); return IRQ_HANDLED; } -static irqreturn_t v850e_uart_rx_irq(int irq, void *data, struct pt_regs *regs) +static irqreturn_t v850e_uart_rx_irq(int irq, void *data) { struct uart_port *port = data; unsigned ch_stat = TTY_NORMAL; diff --git a/drivers/serial/vr41xx_siu.c b/drivers/serial/vr41xx_siu.c index 6c8b0ea83c3c..fd51f8182dec 100644 --- a/drivers/serial/vr41xx_siu.c +++ b/drivers/serial/vr41xx_siu.c @@ -359,8 +359,7 @@ static void siu_break_ctl(struct uart_port *port, int ctl) spin_unlock_irqrestore(&port->lock, flags); } -static inline void receive_chars(struct uart_port *port, uint8_t *status, - struct pt_regs *regs) +static inline void receive_chars(struct uart_port *port, uint8_t *status) { struct tty_struct *tty; uint8_t lsr, ch; @@ -405,7 +404,7 @@ static inline void receive_chars(struct uart_port *port, uint8_t *status, flag = TTY_PARITY; } - if (uart_handle_sysrq_char(port, ch, regs)) + if (uart_handle_sysrq_char(port, ch)) goto ignore_char; uart_insert_char(port, lsr, UART_LSR_OE, ch, flag); @@ -472,7 +471,7 @@ static inline void transmit_chars(struct uart_port *port) siu_stop_tx(port); } -static irqreturn_t siu_interrupt(int irq, void *dev_id, struct pt_regs *regs) +static irqreturn_t siu_interrupt(int irq, void *dev_id) { struct uart_port *port; uint8_t iir, lsr; @@ -485,7 +484,7 @@ static irqreturn_t siu_interrupt(int irq, void *dev_id, struct pt_regs *regs) lsr = siu_read(port, UART_LSR); if (lsr & UART_LSR_DR) - receive_chars(port, &lsr, regs); + receive_chars(port, &lsr); check_modem_status(port); |