diff options
author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2008-12-06 08:25:16 +0000 |
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committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-12-13 09:12:07 +0000 |
commit | 70d13e083c8589dd3edc2313777655da39cb3568 (patch) | |
tree | 41478a4699b3cbc8c5598ccc1863ea058948741e | |
parent | 7ec80ddf0455ff3854a5ca524952d91b5eb676b2 (diff) | |
download | linux-stable-70d13e083c8589dd3edc2313777655da39cb3568.tar.gz linux-stable-70d13e083c8589dd3edc2313777655da39cb3568.tar.bz2 linux-stable-70d13e083c8589dd3edc2313777655da39cb3568.zip |
[ARM] netwinder: clean up GPIO naming
Netwinder was using gpio_xxx names which could clash with the GPIO
layer. Add a 'nw_' prefix to ensure that these remain separate.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
-rw-r--r-- | arch/arm/mach-footbridge/cats-hw.c | 1 | ||||
-rw-r--r-- | arch/arm/mach-footbridge/common.c | 1 | ||||
-rw-r--r-- | arch/arm/mach-footbridge/dc21285-timer.c | 1 | ||||
-rw-r--r-- | arch/arm/mach-footbridge/dc21285.c | 1 | ||||
-rw-r--r-- | arch/arm/mach-footbridge/dma.c | 1 | ||||
-rw-r--r-- | arch/arm/mach-footbridge/ebsa285.c | 1 | ||||
-rw-r--r-- | arch/arm/mach-footbridge/include/mach/hardware.h | 9 | ||||
-rw-r--r-- | arch/arm/mach-footbridge/isa-irq.c | 1 | ||||
-rw-r--r-- | arch/arm/mach-footbridge/netwinder-hw.c | 54 | ||||
-rw-r--r-- | arch/arm/mach-footbridge/netwinder-leds.c | 7 | ||||
-rw-r--r-- | arch/arm/mach-footbridge/personal.c | 1 | ||||
-rw-r--r-- | drivers/char/ds1620.c | 25 | ||||
-rw-r--r-- | drivers/char/nwflash.c | 8 | ||||
-rw-r--r-- | drivers/mtd/maps/dc21285.c | 7 | ||||
-rw-r--r-- | sound/oss/waveartist.c | 8 |
15 files changed, 64 insertions, 62 deletions
diff --git a/arch/arm/mach-footbridge/cats-hw.c b/arch/arm/mach-footbridge/cats-hw.c index 6a5b437ab86f..1b996b26d2e0 100644 --- a/arch/arm/mach-footbridge/cats-hw.c +++ b/arch/arm/mach-footbridge/cats-hw.c @@ -10,6 +10,7 @@ #include <linux/init.h> #include <linux/screen_info.h> #include <linux/io.h> +#include <linux/spinlock.h> #include <asm/hardware/dec21285.h> #include <asm/mach-types.h> diff --git a/arch/arm/mach-footbridge/common.c b/arch/arm/mach-footbridge/common.c index 818014e09f4a..36ff06d4df15 100644 --- a/arch/arm/mach-footbridge/common.c +++ b/arch/arm/mach-footbridge/common.c @@ -14,6 +14,7 @@ #include <linux/list.h> #include <linux/init.h> #include <linux/io.h> +#include <linux/spinlock.h> #include <asm/pgtable.h> #include <asm/page.h> diff --git a/arch/arm/mach-footbridge/dc21285-timer.c b/arch/arm/mach-footbridge/dc21285-timer.c index b2a21189dd81..da35bc5c5ccc 100644 --- a/arch/arm/mach-footbridge/dc21285-timer.c +++ b/arch/arm/mach-footbridge/dc21285-timer.c @@ -7,6 +7,7 @@ #include <linux/init.h> #include <linux/interrupt.h> #include <linux/irq.h> +#include <linux/spinlock.h> #include <asm/irq.h> diff --git a/arch/arm/mach-footbridge/dc21285.c b/arch/arm/mach-footbridge/dc21285.c index d4c1e526f59c..133086019e3e 100644 --- a/arch/arm/mach-footbridge/dc21285.c +++ b/arch/arm/mach-footbridge/dc21285.c @@ -17,6 +17,7 @@ #include <linux/ioport.h> #include <linux/irq.h> #include <linux/io.h> +#include <linux/spinlock.h> #include <asm/irq.h> #include <asm/system.h> diff --git a/arch/arm/mach-footbridge/dma.c b/arch/arm/mach-footbridge/dma.c index b653e9cfa3f7..4f3506346969 100644 --- a/arch/arm/mach-footbridge/dma.c +++ b/arch/arm/mach-footbridge/dma.c @@ -12,6 +12,7 @@ */ #include <linux/init.h> #include <linux/io.h> +#include <linux/spinlock.h> #include <asm/dma.h> #include <asm/scatterlist.h> diff --git a/arch/arm/mach-footbridge/ebsa285.c b/arch/arm/mach-footbridge/ebsa285.c index b1d3bf20a41e..30040fd588cc 100644 --- a/arch/arm/mach-footbridge/ebsa285.c +++ b/arch/arm/mach-footbridge/ebsa285.c @@ -4,6 +4,7 @@ * EBSA285 machine fixup */ #include <linux/init.h> +#include <linux/spinlock.h> #include <asm/hardware/dec21285.h> #include <asm/mach-types.h> diff --git a/arch/arm/mach-footbridge/include/mach/hardware.h b/arch/arm/mach-footbridge/include/mach/hardware.h index ff44e0ce2e14..51dd902043ad 100644 --- a/arch/arm/mach-footbridge/include/mach/hardware.h +++ b/arch/arm/mach-footbridge/include/mach/hardware.h @@ -86,10 +86,11 @@ #define CPLD_FLASH_WR_ENABLE 1 #ifndef __ASSEMBLY__ -extern void gpio_modify_op(int mask, int set); -extern void gpio_modify_io(int mask, int in); -extern int gpio_read(void); -extern void cpld_modify(int mask, int set); +extern spinlock_t nw_gpio_lock; +extern void nw_gpio_modify_op(unsigned int mask, unsigned int set); +extern void nw_gpio_modify_io(unsigned int mask, unsigned int in); +extern unsigned int nw_gpio_read(void); +extern void nw_cpld_modify(unsigned int mask, unsigned int set); #endif #define pcibios_assign_all_busses() 1 diff --git a/arch/arm/mach-footbridge/isa-irq.c b/arch/arm/mach-footbridge/isa-irq.c index 54fec9ae28b9..9ee80a211d3c 100644 --- a/arch/arm/mach-footbridge/isa-irq.c +++ b/arch/arm/mach-footbridge/isa-irq.c @@ -19,6 +19,7 @@ #include <linux/list.h> #include <linux/init.h> #include <linux/io.h> +#include <linux/spinlock.h> #include <asm/mach/irq.h> diff --git a/arch/arm/mach-footbridge/netwinder-hw.c b/arch/arm/mach-footbridge/netwinder-hw.c index 00b0ddcac283..ac7ffa6fc413 100644 --- a/arch/arm/mach-footbridge/netwinder-hw.c +++ b/arch/arm/mach-footbridge/netwinder-hw.c @@ -11,6 +11,7 @@ #include <linux/delay.h> #include <linux/init.h> #include <linux/io.h> +#include <linux/spinlock.h> #include <asm/hardware/dec21285.h> #include <asm/leds.h> @@ -67,13 +68,14 @@ static inline void wb977_ww(int reg, int val) /* * This is a lock for accessing ports GP1_IO_BASE and GP2_IO_BASE */ -DEFINE_SPINLOCK(gpio_lock); +DEFINE_SPINLOCK(nw_gpio_lock); +EXPORT_SYMBOL(nw_gpio_lock); static unsigned int current_gpio_op; static unsigned int current_gpio_io; static unsigned int current_cpld; -void gpio_modify_op(int mask, int set) +void nw_gpio_modify_op(unsigned int mask, unsigned int set) { unsigned int new_gpio, changed; @@ -86,6 +88,7 @@ void gpio_modify_op(int mask, int set) if (changed & 0xff00) outb(new_gpio >> 8, GP2_IO_BASE); } +EXPORT_SYMBOL(nw_gpio_modify_op); static inline void __gpio_modify_io(int mask, int in) { @@ -118,7 +121,7 @@ static inline void __gpio_modify_io(int mask, int in) } } -void gpio_modify_io(int mask, int in) +void nw_gpio_modify_io(unsigned int mask, unsigned int in) { /* Open up the SuperIO chip */ wb977_open(); @@ -128,11 +131,13 @@ void gpio_modify_io(int mask, int in) /* Close up the EFER gate */ wb977_close(); } +EXPORT_SYMBOL(nw_gpio_modify_io); -int gpio_read(void) +unsigned int nw_gpio_read(void) { return inb(GP1_IO_BASE) | inb(GP2_IO_BASE) << 8; } +EXPORT_SYMBOL(nw_gpio_read); /* * Initialise the Winbond W83977F global registers @@ -322,9 +327,9 @@ static inline void wb977_init_gpio(void) /* * Set Group1/Group2 outputs */ - spin_lock_irqsave(&gpio_lock, flags); - gpio_modify_op(-1, GPIO_RED_LED | GPIO_FAN); - spin_unlock_irqrestore(&gpio_lock, flags); + spin_lock_irqsave(&nw_gpio_lock, flags); + nw_gpio_modify_op(-1, GPIO_RED_LED | GPIO_FAN); + spin_unlock_irqrestore(&nw_gpio_lock, flags); } /* @@ -359,34 +364,35 @@ static void __init wb977_init(void) wb977_close(); } -void cpld_modify(int mask, int set) +void nw_cpld_modify(unsigned int mask, unsigned int set) { int msk; current_cpld = (current_cpld & ~mask) | set; - gpio_modify_io(GPIO_DATA | GPIO_IOCLK | GPIO_IOLOAD, 0); - gpio_modify_op(GPIO_IOLOAD, 0); + nw_gpio_modify_io(GPIO_DATA | GPIO_IOCLK | GPIO_IOLOAD, 0); + nw_gpio_modify_op(GPIO_IOLOAD, 0); for (msk = 8; msk; msk >>= 1) { int bit = current_cpld & msk; - gpio_modify_op(GPIO_DATA | GPIO_IOCLK, bit ? GPIO_DATA : 0); - gpio_modify_op(GPIO_IOCLK, GPIO_IOCLK); + nw_gpio_modify_op(GPIO_DATA | GPIO_IOCLK, bit ? GPIO_DATA : 0); + nw_gpio_modify_op(GPIO_IOCLK, GPIO_IOCLK); } - gpio_modify_op(GPIO_IOCLK|GPIO_DATA, 0); - gpio_modify_op(GPIO_IOLOAD|GPIO_DSCLK, GPIO_IOLOAD|GPIO_DSCLK); - gpio_modify_op(GPIO_IOLOAD, 0); + nw_gpio_modify_op(GPIO_IOCLK|GPIO_DATA, 0); + nw_gpio_modify_op(GPIO_IOLOAD|GPIO_DSCLK, GPIO_IOLOAD|GPIO_DSCLK); + nw_gpio_modify_op(GPIO_IOLOAD, 0); } +EXPORT_SYMBOL(nw_cpld_modify); static void __init cpld_init(void) { unsigned long flags; - spin_lock_irqsave(&gpio_lock, flags); - cpld_modify(-1, CPLD_UNMUTE | CPLD_7111_DISABLE); - spin_unlock_irqrestore(&gpio_lock, flags); + spin_lock_irqsave(&nw_gpio_lock, flags); + nw_cpld_modify(-1, CPLD_UNMUTE | CPLD_7111_DISABLE); + spin_unlock_irqrestore(&nw_gpio_lock, flags); } static unsigned char rwa_unlock[] __initdata = @@ -596,12 +602,6 @@ static void __init rwa010_init(void) rwa010_soundblaster_reset(); } -EXPORT_SYMBOL(gpio_lock); -EXPORT_SYMBOL(gpio_modify_op); -EXPORT_SYMBOL(gpio_modify_io); -EXPORT_SYMBOL(cpld_modify); -EXPORT_SYMBOL(gpio_read); - /* * Initialise any other hardware after we've got the PCI bus * initialised. We may need the PCI bus to talk to this other @@ -616,9 +616,9 @@ static int __init nw_hw_init(void) cpld_init(); rwa010_init(); - spin_lock_irqsave(&gpio_lock, flags); - gpio_modify_op(GPIO_RED_LED|GPIO_GREEN_LED, DEFAULT_LEDS); - spin_unlock_irqrestore(&gpio_lock, flags); + spin_lock_irqsave(&nw_gpio_lock, flags); + nw_gpio_modify_op(GPIO_RED_LED|GPIO_GREEN_LED, DEFAULT_LEDS); + spin_unlock_irqrestore(&nw_gpio_lock, flags); } return 0; } diff --git a/arch/arm/mach-footbridge/netwinder-leds.c b/arch/arm/mach-footbridge/netwinder-leds.c index d91a4f4a32dc..00269fe0be8a 100644 --- a/arch/arm/mach-footbridge/netwinder-leds.c +++ b/arch/arm/mach-footbridge/netwinder-leds.c @@ -32,7 +32,6 @@ static char led_state; static char hw_led_state; static DEFINE_SPINLOCK(leds_lock); -extern spinlock_t gpio_lock; static void netwinder_leds_event(led_event_t evt) { @@ -121,9 +120,9 @@ static void netwinder_leds_event(led_event_t evt) spin_unlock_irqrestore(&leds_lock, flags); if (led_state & LED_STATE_ENABLED) { - spin_lock_irqsave(&gpio_lock, flags); - gpio_modify_op(GPIO_RED_LED | GPIO_GREEN_LED, hw_led_state); - spin_unlock_irqrestore(&gpio_lock, flags); + spin_lock_irqsave(&nw_gpio_lock, flags); + nw_gpio_modify_op(GPIO_RED_LED | GPIO_GREEN_LED, hw_led_state); + spin_unlock_irqrestore(&nw_gpio_lock, flags); } } diff --git a/arch/arm/mach-footbridge/personal.c b/arch/arm/mach-footbridge/personal.c index c4f843fc099d..e2c9f0690b16 100644 --- a/arch/arm/mach-footbridge/personal.c +++ b/arch/arm/mach-footbridge/personal.c @@ -4,6 +4,7 @@ * Personal server (Skiff) machine fixup */ #include <linux/init.h> +#include <linux/spinlock.h> #include <asm/hardware/dec21285.h> #include <asm/mach-types.h> diff --git a/drivers/char/ds1620.c b/drivers/char/ds1620.c index 74e9cd81b5b2..61f0146e215d 100644 --- a/drivers/char/ds1620.c +++ b/drivers/char/ds1620.c @@ -43,52 +43,51 @@ static const char *fan_state[] = { "off", "on", "on (hardwired)" }; * chance that the WaveArtist driver could touch these bits to * enable or disable the speaker. */ -extern spinlock_t gpio_lock; extern unsigned int system_rev; static inline void netwinder_ds1620_set_clk(int clk) { - gpio_modify_op(GPIO_DSCLK, clk ? GPIO_DSCLK : 0); + nw_gpio_modify_op(GPIO_DSCLK, clk ? GPIO_DSCLK : 0); } static inline void netwinder_ds1620_set_data(int dat) { - gpio_modify_op(GPIO_DATA, dat ? GPIO_DATA : 0); + nw_gpio_modify_op(GPIO_DATA, dat ? GPIO_DATA : 0); } static inline int netwinder_ds1620_get_data(void) { - return gpio_read() & GPIO_DATA; + return nw_gpio_read() & GPIO_DATA; } static inline void netwinder_ds1620_set_data_dir(int dir) { - gpio_modify_io(GPIO_DATA, dir ? GPIO_DATA : 0); + nw_gpio_modify_io(GPIO_DATA, dir ? GPIO_DATA : 0); } static inline void netwinder_ds1620_reset(void) { - cpld_modify(CPLD_DS_ENABLE, 0); - cpld_modify(CPLD_DS_ENABLE, CPLD_DS_ENABLE); + nw_cpld_modify(CPLD_DS_ENABLE, 0); + nw_cpld_modify(CPLD_DS_ENABLE, CPLD_DS_ENABLE); } static inline void netwinder_lock(unsigned long *flags) { - spin_lock_irqsave(&gpio_lock, *flags); + spin_lock_irqsave(&nw_gpio_lock, *flags); } static inline void netwinder_unlock(unsigned long *flags) { - spin_unlock_irqrestore(&gpio_lock, *flags); + spin_unlock_irqrestore(&nw_gpio_lock, *flags); } static inline void netwinder_set_fan(int i) { unsigned long flags; - spin_lock_irqsave(&gpio_lock, flags); - gpio_modify_op(GPIO_FAN, i ? GPIO_FAN : 0); - spin_unlock_irqrestore(&gpio_lock, flags); + spin_lock_irqsave(&nw_gpio_lock, flags); + nw_gpio_modify_op(GPIO_FAN, i ? GPIO_FAN : 0); + spin_unlock_irqrestore(&nw_gpio_lock, flags); } static inline int netwinder_get_fan(void) @@ -96,7 +95,7 @@ static inline int netwinder_get_fan(void) if ((system_rev & 0xf000) == 0x4000) return FAN_ALWAYS_ON; - return (gpio_read() & GPIO_FAN) ? FAN_ON : FAN_OFF; + return (nw_gpio_read() & GPIO_FAN) ? FAN_ON : FAN_OFF; } /* diff --git a/drivers/char/nwflash.c b/drivers/char/nwflash.c index 006be92ee3f3..8c7df5ba088f 100644 --- a/drivers/char/nwflash.c +++ b/drivers/char/nwflash.c @@ -58,8 +58,6 @@ static volatile unsigned char *FLASH_BASE; static int gbFlashSize = KFLASH_SIZE; static DEFINE_MUTEX(nwflash_mutex); -extern spinlock_t gpio_lock; - static int get_flash_id(void) { volatile unsigned int c1, c2; @@ -616,9 +614,9 @@ static void kick_open(void) * we want to write a bit pattern XXX1 to Xilinx to enable * the write gate, which will be open for about the next 2ms. */ - spin_lock_irqsave(&gpio_lock, flags); - cpld_modify(1, 1); - spin_unlock_irqrestore(&gpio_lock, flags); + spin_lock_irqsave(&nw_gpio_lock, flags); + nw_cpld_modify(CPLD_FLASH_WR_ENABLE, CPLD_FLASH_WR_ENABLE); + spin_unlock_irqrestore(&nw_gpio_lock, flags); /* * let the ISA bus to catch on... diff --git a/drivers/mtd/maps/dc21285.c b/drivers/mtd/maps/dc21285.c index 3aa018c092f8..42969fe051b2 100644 --- a/drivers/mtd/maps/dc21285.c +++ b/drivers/mtd/maps/dc21285.c @@ -32,16 +32,15 @@ static struct mtd_info *dc21285_mtd; */ static void nw_en_write(void) { - extern spinlock_t gpio_lock; unsigned long flags; /* * we want to write a bit pattern XXX1 to Xilinx to enable * the write gate, which will be open for about the next 2ms. */ - spin_lock_irqsave(&gpio_lock, flags); - cpld_modify(1, 1); - spin_unlock_irqrestore(&gpio_lock, flags); + spin_lock_irqsave(&nw_gpio_lock, flags); + nw_cpld_modify(CPLD_FLASH_WR_ENABLE, CPLD_FLASH_WR_ENABLE); + spin_unlock_irqrestore(&nw_gpio_lock, flags); /* * let the ISA bus to catch on... diff --git a/sound/oss/waveartist.c b/sound/oss/waveartist.c index c47842fad657..2c63bb9da74a 100644 --- a/sound/oss/waveartist.c +++ b/sound/oss/waveartist.c @@ -1483,16 +1483,14 @@ static void __exit unload_waveartist(struct address_info *hw) #define VNC_HANDSET_DETECT 0x40 #define VNC_DISABLE_AUTOSWITCH 0x80 -extern spinlock_t gpio_lock; - static inline void vnc_mute_spkr(wavnc_info *devc) { unsigned long flags; - spin_lock_irqsave(&gpio_lock, flags); - cpld_modify(CPLD_UNMUTE, devc->spkr_mute_state ? 0 : CPLD_UNMUTE); - spin_unlock_irqrestore(&gpio_lock, flags); + spin_lock_irqsave(&nw_gpio_lock, flags); + nw_cpld_modify(CPLD_UNMUTE, devc->spkr_mute_state ? 0 : CPLD_UNMUTE); + spin_unlock_irqrestore(&nw_gpio_lock, flags); } static void |