diff options
Diffstat (limited to 'arch/mips')
23 files changed, 14 insertions, 231 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 4d64960be035..d8af858fe3f5 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -242,6 +242,7 @@ config LASAT select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL select SYS_SUPPORTS_LITTLE_ENDIAN + select GENERIC_HARDIRQS_NO__DO_IRQ config MIPS_ATLAS bool "MIPS Atlas board" @@ -265,6 +266,7 @@ config MIPS_ATLAS select SYS_SUPPORTS_BIG_ENDIAN select SYS_SUPPORTS_LITTLE_ENDIAN select SYS_SUPPORTS_MULTITHREADING if EXPERIMENTAL + select GENERIC_HARDIRQS_NO__DO_IRQ help This enables support for the MIPS Technologies Atlas evaluation board. @@ -419,6 +421,7 @@ config MOMENCO_OCELOT_C select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_64BIT_KERNEL select SYS_SUPPORTS_BIG_ENDIAN + select GENERIC_HARDIRQS_NO__DO_IRQ help The Ocelot is a MIPS-based Single Board Computer (SBC) made by Momentum Computer <http://www.momenco.com/>. @@ -569,6 +572,7 @@ config SGI_IP27 select SYS_SUPPORTS_BIG_ENDIAN select SYS_SUPPORTS_NUMA select SYS_SUPPORTS_SMP + select GENERIC_HARDIRQS_NO__DO_IRQ help This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics workstations. To compile a Linux kernel that runs on these, say Y @@ -835,6 +839,10 @@ config SCHED_NO_NO_OMIT_FRAME_POINTER bool default y +config GENERIC_HARDIRQS_NO__DO_IRQ + bool + default n + # # Select some configuration options automatically based on user selections. # @@ -996,6 +1004,7 @@ config SOC_PNX8550 select HW_HAS_PCI select SYS_HAS_CPU_MIPS32_R1 select SYS_SUPPORTS_32BIT_KERNEL + select GENERIC_HARDIRQS_NO__DO_IRQ config SWAP_IO_SPACE bool diff --git a/arch/mips/dec/ioasic-irq.c b/arch/mips/dec/ioasic-irq.c index e21476d955c2..4c7cb4048d35 100644 --- a/arch/mips/dec/ioasic-irq.c +++ b/arch/mips/dec/ioasic-irq.c @@ -67,7 +67,6 @@ static struct irq_chip ioasic_irq_type = { .mask = mask_ioasic_irq, .mask_ack = ack_ioasic_irq, .unmask = unmask_ioasic_irq, - .end = end_ioasic_irq, }; diff --git a/arch/mips/dec/kn02-irq.c b/arch/mips/dec/kn02-irq.c index 5a9be4c93584..916e46b8ccd8 100644 --- a/arch/mips/dec/kn02-irq.c +++ b/arch/mips/dec/kn02-irq.c @@ -57,19 +57,12 @@ static void ack_kn02_irq(unsigned int irq) iob(); } -static void end_kn02_irq(unsigned int irq) -{ - if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS))) - unmask_kn02_irq(irq); -} - static struct irq_chip kn02_irq_type = { .typename = "KN02-CSR", .ack = ack_kn02_irq, .mask = mask_kn02_irq, .mask_ack = ack_kn02_irq, .unmask = unmask_kn02_irq, - .end = end_kn02_irq, }; diff --git a/arch/mips/emma2rh/common/irq_emma2rh.c b/arch/mips/emma2rh/common/irq_emma2rh.c index 59b98299c896..8d880f0b06ec 100644 --- a/arch/mips/emma2rh/common/irq_emma2rh.c +++ b/arch/mips/emma2rh/common/irq_emma2rh.c @@ -56,19 +56,12 @@ static void emma2rh_irq_disable(unsigned int irq) ll_emma2rh_irq_disable(irq - emma2rh_irq_base); } -static void emma2rh_irq_end(unsigned int irq) -{ - if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS))) - ll_emma2rh_irq_enable(irq - emma2rh_irq_base); -} - struct irq_chip emma2rh_irq_controller = { .typename = "emma2rh_irq", .ack = emma2rh_irq_disable, .mask = emma2rh_irq_disable, .mask_ack = emma2rh_irq_disable, .unmask = emma2rh_irq_enable, - .end = emma2rh_irq_end, }; void emma2rh_irq_init(u32 irq_base) diff --git a/arch/mips/emma2rh/markeins/irq_markeins.c b/arch/mips/emma2rh/markeins/irq_markeins.c index 3ac4e405ecdc..2116d9be5fa9 100644 --- a/arch/mips/emma2rh/markeins/irq_markeins.c +++ b/arch/mips/emma2rh/markeins/irq_markeins.c @@ -48,19 +48,12 @@ static void emma2rh_sw_irq_disable(unsigned int irq) ll_emma2rh_sw_irq_disable(irq - emma2rh_sw_irq_base); } -static void emma2rh_sw_irq_end(unsigned int irq) -{ - if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS))) - ll_emma2rh_sw_irq_enable(irq - emma2rh_sw_irq_base); -} - struct irq_chip emma2rh_sw_irq_controller = { .typename = "emma2rh_sw_irq", .ack = emma2rh_sw_irq_disable, .mask = emma2rh_sw_irq_disable, .mask_ack = emma2rh_sw_irq_disable, .unmask = emma2rh_sw_irq_enable, - .end = emma2rh_sw_irq_end, }; void emma2rh_sw_irq_init(u32 irq_base) diff --git a/arch/mips/jazz/irq.c b/arch/mips/jazz/irq.c index 5c4f50cdf157..f8d417b5c2bb 100644 --- a/arch/mips/jazz/irq.c +++ b/arch/mips/jazz/irq.c @@ -39,19 +39,12 @@ void disable_r4030_irq(unsigned int irq) spin_unlock_irqrestore(&r4030_lock, flags); } -static void end_r4030_irq(unsigned int irq) -{ - if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) - enable_r4030_irq(irq); -} - static struct irq_chip r4030_irq_type = { .typename = "R4030", .ack = disable_r4030_irq, .mask = disable_r4030_irq, .mask_ack = disable_r4030_irq, .unmask = enable_r4030_irq, - .end = end_r4030_irq, }; void __init init_r4030_ints(void) diff --git a/arch/mips/kernel/irq-mv6434x.c b/arch/mips/kernel/irq-mv6434x.c index 6cfb31cafde2..efbd219845b5 100644 --- a/arch/mips/kernel/irq-mv6434x.c +++ b/arch/mips/kernel/irq-mv6434x.c @@ -67,15 +67,6 @@ static inline void unmask_mv64340_irq(unsigned int irq) } /* - * End IRQ processing - */ -static void end_mv64340_irq(unsigned int irq) -{ - if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) - unmask_mv64340_irq(irq); -} - -/* * Interrupt handler for interrupts coming from the Marvell chip. * It could be built in ethernet ports etc... */ @@ -106,7 +97,6 @@ struct irq_chip mv64340_irq_type = { .mask = mask_mv64340_irq, .mask_ack = mask_mv64340_irq, .unmask = unmask_mv64340_irq, - .end = end_mv64340_irq, }; void __init mv64340_irq_init(unsigned int base) diff --git a/arch/mips/kernel/irq-rm7000.c b/arch/mips/kernel/irq-rm7000.c index ddcc2a5f8a06..123324ba8c14 100644 --- a/arch/mips/kernel/irq-rm7000.c +++ b/arch/mips/kernel/irq-rm7000.c @@ -29,19 +29,12 @@ static inline void mask_rm7k_irq(unsigned int irq) clear_c0_intcontrol(0x100 << (irq - irq_base)); } -static void rm7k_cpu_irq_end(unsigned int irq) -{ - if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS))) - unmask_rm7k_irq(irq); -} - static struct irq_chip rm7k_irq_controller = { .typename = "RM7000", .ack = mask_rm7k_irq, .mask = mask_rm7k_irq, .mask_ack = mask_rm7k_irq, .unmask = unmask_rm7k_irq, - .end = rm7k_cpu_irq_end, }; void __init rm7k_cpu_irq_init(int base) diff --git a/arch/mips/kernel/irq-rm9000.c b/arch/mips/kernel/irq-rm9000.c index ba6440c88abd..0e6f4c5349d2 100644 --- a/arch/mips/kernel/irq-rm9000.c +++ b/arch/mips/kernel/irq-rm9000.c @@ -80,19 +80,12 @@ static void rm9k_perfcounter_irq_shutdown(unsigned int irq) on_each_cpu(local_rm9k_perfcounter_irq_shutdown, (void *) irq, 0, 1); } -static void rm9k_cpu_irq_end(unsigned int irq) -{ - if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS))) - unmask_rm9k_irq(irq); -} - static struct irq_chip rm9k_irq_controller = { .typename = "RM9000", .ack = mask_rm9k_irq, .mask = mask_rm9k_irq, .mask_ack = mask_rm9k_irq, .unmask = unmask_rm9k_irq, - .end = rm9k_cpu_irq_end, }; static struct irq_chip rm9k_perfcounter_irq = { @@ -103,7 +96,6 @@ static struct irq_chip rm9k_perfcounter_irq = { .mask = mask_rm9k_irq, .mask_ack = mask_rm9k_irq, .unmask = unmask_rm9k_irq, - .end = rm9k_cpu_irq_end, }; unsigned int rm9000_perfcount_irq; diff --git a/arch/mips/kernel/irq_cpu.c b/arch/mips/kernel/irq_cpu.c index be5ac23d3812..fcc86b96ccf6 100644 --- a/arch/mips/kernel/irq_cpu.c +++ b/arch/mips/kernel/irq_cpu.c @@ -50,12 +50,6 @@ static inline void mask_mips_irq(unsigned int irq) irq_disable_hazard(); } -static void mips_cpu_irq_end(unsigned int irq) -{ - if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS))) - unmask_mips_irq(irq); -} - static struct irq_chip mips_cpu_irq_controller = { .typename = "MIPS", .ack = mask_mips_irq, @@ -63,7 +57,6 @@ static struct irq_chip mips_cpu_irq_controller = { .mask_ack = mask_mips_irq, .unmask = unmask_mips_irq, .eoi = unmask_mips_irq, - .end = mips_cpu_irq_end, }; /* @@ -96,8 +89,6 @@ static void mips_mt_cpu_irq_ack(unsigned int irq) mask_mips_mt_irq(irq); } -#define mips_mt_cpu_irq_end mips_cpu_irq_end - static struct irq_chip mips_mt_cpu_irq_controller = { .typename = "MIPS", .startup = mips_mt_cpu_irq_startup, @@ -106,7 +97,6 @@ static struct irq_chip mips_mt_cpu_irq_controller = { .mask_ack = mips_mt_cpu_irq_ack, .unmask = unmask_mips_mt_irq, .eoi = unmask_mips_mt_irq, - .end = mips_mt_cpu_irq_end, }; void __init mips_cpu_irq_init(int irq_base) diff --git a/arch/mips/lasat/interrupt.c b/arch/mips/lasat/interrupt.c index 4a84a7beac53..2affa5ff171c 100644 --- a/arch/mips/lasat/interrupt.c +++ b/arch/mips/lasat/interrupt.c @@ -44,19 +44,12 @@ void enable_lasat_irq(unsigned int irq_nr) *lasat_int_mask |= (1 << irq_nr) << lasat_int_mask_shift; } -static void end_lasat_irq(unsigned int irq) -{ - if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) - enable_lasat_irq(irq); -} - static struct irq_chip lasat_irq_type = { .typename = "Lasat", .ack = disable_lasat_irq, .mask = disable_lasat_irq, .mask_ack = disable_lasat_irq, .unmask = enable_lasat_irq, - .end = end_lasat_irq, }; static inline int ls1bit32(unsigned int x) diff --git a/arch/mips/momentum/ocelot_c/cpci-irq.c b/arch/mips/momentum/ocelot_c/cpci-irq.c index e5a4a0a8a7f0..bb11fef08472 100644 --- a/arch/mips/momentum/ocelot_c/cpci-irq.c +++ b/arch/mips/momentum/ocelot_c/cpci-irq.c @@ -66,15 +66,6 @@ static inline void unmask_cpci_irq(unsigned int irq) } /* - * End IRQ processing - */ -static void end_cpci_irq(unsigned int irq) -{ - if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) - unmask_cpci_irq(irq); -} - -/* * Interrupt handler for interrupts coming from the FPGA chip. * It could be built in ethernet ports etc... */ @@ -98,7 +89,6 @@ struct irq_chip cpci_irq_type = { .mask = mask_cpci_irq, .mask_ack = mask_cpci_irq, .unmask = unmask_cpci_irq, - .end = end_cpci_irq, }; void cpci_irq_init(void) diff --git a/arch/mips/momentum/ocelot_c/uart-irq.c b/arch/mips/momentum/ocelot_c/uart-irq.c index 0029f0008dea..a7a80c0da569 100644 --- a/arch/mips/momentum/ocelot_c/uart-irq.c +++ b/arch/mips/momentum/ocelot_c/uart-irq.c @@ -60,15 +60,6 @@ static inline void unmask_uart_irq(unsigned int irq) } /* - * End IRQ processing - */ -static void end_uart_irq(unsigned int irq) -{ - if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) - unmask_uart_irq(irq); -} - -/* * Interrupt handler for interrupts coming from the FPGA chip. */ void ll_uart_irq(void) @@ -91,7 +82,6 @@ struct irq_chip uart_irq_type = { .mask = mask_uart_irq, .mask_ack = mask_uart_irq, .unmask = unmask_uart_irq, - .end = end_uart_irq, }; void uart_irq_init(void) diff --git a/arch/mips/philips/pnx8550/common/int.c b/arch/mips/philips/pnx8550/common/int.c index 0dc23930edbd..2c36c108c4d6 100644 --- a/arch/mips/philips/pnx8550/common/int.c +++ b/arch/mips/philips/pnx8550/common/int.c @@ -158,20 +158,12 @@ int pnx8550_set_gic_priority(int irq, int priority) return prev_priority; } -static void end_irq(unsigned int irq) -{ - if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) { - unmask_irq(irq); - } -} - static struct irq_chip level_irq_type = { .typename = "PNX Level IRQ", .ack = mask_irq, .mask = mask_irq, .mask_ack = mask_irq, .unmask = unmask_irq, - .end = end_irq, }; static struct irqaction gic_action = { diff --git a/arch/mips/sgi-ip22/ip22-int.c b/arch/mips/sgi-ip22/ip22-int.c index c7b138053159..c44f8be0644f 100644 --- a/arch/mips/sgi-ip22/ip22-int.c +++ b/arch/mips/sgi-ip22/ip22-int.c @@ -51,19 +51,12 @@ static void disable_local0_irq(unsigned int irq) sgint->imask0 &= ~(1 << (irq - SGINT_LOCAL0)); } -static void end_local0_irq (unsigned int irq) -{ - if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) - enable_local0_irq(irq); -} - static struct irq_chip ip22_local0_irq_type = { .typename = "IP22 local 0", .ack = disable_local0_irq, .mask = disable_local0_irq, .mask_ack = disable_local0_irq, .unmask = enable_local0_irq, - .end = end_local0_irq, }; static void enable_local1_irq(unsigned int irq) @@ -79,19 +72,12 @@ void disable_local1_irq(unsigned int irq) sgint->imask1 &= ~(1 << (irq - SGINT_LOCAL1)); } -static void end_local1_irq (unsigned int irq) -{ - if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) - enable_local1_irq(irq); -} - static struct irq_chip ip22_local1_irq_type = { .typename = "IP22 local 1", .ack = disable_local1_irq, .mask = disable_local1_irq, .mask_ack = disable_local1_irq, .unmask = enable_local1_irq, - .end = end_local1_irq, }; static void enable_local2_irq(unsigned int irq) @@ -107,19 +93,12 @@ void disable_local2_irq(unsigned int irq) sgint->imask0 &= ~(1 << (SGI_MAP_0_IRQ - SGINT_LOCAL0)); } -static void end_local2_irq (unsigned int irq) -{ - if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) - enable_local2_irq(irq); -} - static struct irq_chip ip22_local2_irq_type = { .typename = "IP22 local 2", .ack = disable_local2_irq, .mask = disable_local2_irq, .mask_ack = disable_local2_irq, .unmask = enable_local2_irq, - .end = end_local2_irq, }; static void enable_local3_irq(unsigned int irq) @@ -135,19 +114,12 @@ void disable_local3_irq(unsigned int irq) sgint->imask1 &= ~(1 << (SGI_MAP_1_IRQ - SGINT_LOCAL1)); } -static void end_local3_irq (unsigned int irq) -{ - if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) - enable_local3_irq(irq); -} - static struct irq_chip ip22_local3_irq_type = { .typename = "IP22 local 3", .ack = disable_local3_irq, .mask = disable_local3_irq, .mask_ack = disable_local3_irq, .unmask = enable_local3_irq, - .end = end_local3_irq, }; static void indy_local0_irqdispatch(void) diff --git a/arch/mips/sgi-ip27/ip27-irq.c b/arch/mips/sgi-ip27/ip27-irq.c index 5f8835b4e84a..319f8803ef6f 100644 --- a/arch/mips/sgi-ip27/ip27-irq.c +++ b/arch/mips/sgi-ip27/ip27-irq.c @@ -332,13 +332,6 @@ static inline void disable_bridge_irq(unsigned int irq) intr_disconnect_level(cpu, swlevel); } -static void end_bridge_irq(unsigned int irq) -{ - if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)) && - irq_desc[irq].action) - enable_bridge_irq(irq); -} - static struct irq_chip bridge_irq_type = { .typename = "bridge", .startup = startup_bridge_irq, @@ -347,7 +340,6 @@ static struct irq_chip bridge_irq_type = { .mask = disable_bridge_irq, .mask_ack = disable_bridge_irq, .unmask = enable_bridge_irq, - .end = end_bridge_irq, }; void __devinit register_bridge_irq(unsigned int irq) diff --git a/arch/mips/sgi-ip27/ip27-timer.c b/arch/mips/sgi-ip27/ip27-timer.c index 7d361726bbfb..c20e9899b34b 100644 --- a/arch/mips/sgi-ip27/ip27-timer.c +++ b/arch/mips/sgi-ip27/ip27-timer.c @@ -180,10 +180,6 @@ static void disable_rt_irq(unsigned int irq) { } -static void end_rt_irq(unsigned int irq) -{ -} - static struct irq_chip rt_irq_type = { .typename = "SN HUB RT timer", .ack = disable_rt_irq, @@ -191,7 +187,6 @@ static struct irq_chip rt_irq_type = { .mask_ack = disable_rt_irq, .unmask = enable_rt_irq, .eoi = enable_rt_irq, - .end = end_rt_irq, }; static struct irqaction rt_irqaction = { diff --git a/arch/mips/tx4927/common/tx4927_irq.c b/arch/mips/tx4927/common/tx4927_irq.c index 21873de49aa8..ed4a19adf361 100644 --- a/arch/mips/tx4927/common/tx4927_irq.c +++ b/arch/mips/tx4927/common/tx4927_irq.c @@ -66,12 +66,10 @@ #define TX4927_IRQ_CP0_INIT ( 1 << 10 ) #define TX4927_IRQ_CP0_ENABLE ( 1 << 13 ) #define TX4927_IRQ_CP0_DISABLE ( 1 << 14 ) -#define TX4927_IRQ_CP0_ENDIRQ ( 1 << 16 ) #define TX4927_IRQ_PIC_INIT ( 1 << 20 ) #define TX4927_IRQ_PIC_ENABLE ( 1 << 23 ) #define TX4927_IRQ_PIC_DISABLE ( 1 << 24 ) -#define TX4927_IRQ_PIC_ENDIRQ ( 1 << 26 ) #define TX4927_IRQ_ALL 0xffffffff #endif @@ -82,12 +80,10 @@ static const u32 tx4927_irq_debug_flag = (TX4927_IRQ_NONE | TX4927_IRQ_WARN | TX4927_IRQ_EROR // | TX4927_IRQ_CP0_INIT // | TX4927_IRQ_CP0_ENABLE -// | TX4927_IRQ_CP0_DISABLE // | TX4927_IRQ_CP0_ENDIRQ // | TX4927_IRQ_PIC_INIT // | TX4927_IRQ_PIC_ENABLE // | TX4927_IRQ_PIC_DISABLE -// | TX4927_IRQ_PIC_ENDIRQ // | TX4927_IRQ_INIT // | TX4927_IRQ_NEST1 // | TX4927_IRQ_NEST2 @@ -114,11 +110,9 @@ static const u32 tx4927_irq_debug_flag = (TX4927_IRQ_NONE static void tx4927_irq_cp0_enable(unsigned int irq); static void tx4927_irq_cp0_disable(unsigned int irq); -static void tx4927_irq_cp0_end(unsigned int irq); static void tx4927_irq_pic_enable(unsigned int irq); static void tx4927_irq_pic_disable(unsigned int irq); -static void tx4927_irq_pic_end(unsigned int irq); /* * Kernel structs for all pic's @@ -131,7 +125,6 @@ static struct irq_chip tx4927_irq_cp0_type = { .mask = tx4927_irq_cp0_disable, .mask_ack = tx4927_irq_cp0_disable, .unmask = tx4927_irq_cp0_enable, - .end = tx4927_irq_cp0_end, }; #define TX4927_PIC_NAME "TX4927-PIC" @@ -141,7 +134,6 @@ static struct irq_chip tx4927_irq_pic_type = { .mask = tx4927_irq_pic_disable, .mask_ack = tx4927_irq_pic_disable, .unmask = tx4927_irq_pic_enable, - .end = tx4927_irq_pic_end, }; #define TX4927_PIC_ACTION(s) { no_action, 0, CPU_MASK_NONE, s, NULL, NULL } @@ -214,15 +206,6 @@ static void tx4927_irq_cp0_disable(unsigned int irq) tx4927_irq_cp0_modify(CCP0_STATUS, tx4927_irq_cp0_mask(irq), 0); } -static void tx4927_irq_cp0_end(unsigned int irq) -{ - TX4927_IRQ_DPRINTK(TX4927_IRQ_CP0_ENDIRQ, "irq=%d \n", irq); - - if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS))) { - tx4927_irq_cp0_enable(irq); - } -} - /* * Functions for pic */ @@ -376,15 +359,6 @@ static void tx4927_irq_pic_disable(unsigned int irq) tx4927_irq_pic_mask(irq), 0); } -static void tx4927_irq_pic_end(unsigned int irq) -{ - TX4927_IRQ_DPRINTK(TX4927_IRQ_PIC_ENDIRQ, "irq=%d\n", irq); - - if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS))) { - tx4927_irq_pic_enable(irq); - } -} - /* * Main init functions */ diff --git a/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_irq.c b/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_irq.c index 34cdb2a240e9..5a5ea6c0b9f6 100644 --- a/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_irq.c +++ b/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_irq.c @@ -153,7 +153,6 @@ JP7 is not bus master -- do NOT use -- only 4 pci bus master's allowed -- SouthB #define TOSHIBA_RBTX4927_IRQ_IOC_INIT ( 1 << 10 ) #define TOSHIBA_RBTX4927_IRQ_IOC_ENABLE ( 1 << 13 ) #define TOSHIBA_RBTX4927_IRQ_IOC_DISABLE ( 1 << 14 ) -#define TOSHIBA_RBTX4927_IRQ_IOC_ENDIRQ ( 1 << 16 ) #define TOSHIBA_RBTX4927_IRQ_ISA_INIT ( 1 << 20 ) #define TOSHIBA_RBTX4927_IRQ_ISA_ENABLE ( 1 << 23 ) @@ -172,7 +171,6 @@ static const u32 toshiba_rbtx4927_irq_debug_flag = // | TOSHIBA_RBTX4927_IRQ_IOC_INIT // | TOSHIBA_RBTX4927_IRQ_IOC_ENABLE // | TOSHIBA_RBTX4927_IRQ_IOC_DISABLE -// | TOSHIBA_RBTX4927_IRQ_IOC_ENDIRQ // | TOSHIBA_RBTX4927_IRQ_ISA_INIT // | TOSHIBA_RBTX4927_IRQ_ISA_ENABLE // | TOSHIBA_RBTX4927_IRQ_ISA_DISABLE @@ -223,7 +221,6 @@ extern void mask_and_ack_8259A(unsigned int irq); static void toshiba_rbtx4927_irq_ioc_enable(unsigned int irq); static void toshiba_rbtx4927_irq_ioc_disable(unsigned int irq); -static void toshiba_rbtx4927_irq_ioc_end(unsigned int irq); #ifdef CONFIG_TOSHIBA_FPCIB0 static void toshiba_rbtx4927_irq_isa_enable(unsigned int irq); @@ -239,7 +236,6 @@ static struct irq_chip toshiba_rbtx4927_irq_ioc_type = { .mask = toshiba_rbtx4927_irq_ioc_disable, .mask_ack = toshiba_rbtx4927_irq_ioc_disable, .unmask = toshiba_rbtx4927_irq_ioc_enable, - .end = toshiba_rbtx4927_irq_ioc_end, }; #define TOSHIBA_RBTX4927_IOC_INTR_ENAB 0xbc002000 #define TOSHIBA_RBTX4927_IOC_INTR_STAT 0xbc002006 @@ -388,23 +384,6 @@ static void toshiba_rbtx4927_irq_ioc_disable(unsigned int irq) TOSHIBA_RBTX4927_WR08(TOSHIBA_RBTX4927_IOC_INTR_ENAB, v); } -static void toshiba_rbtx4927_irq_ioc_end(unsigned int irq) -{ - TOSHIBA_RBTX4927_IRQ_DPRINTK(TOSHIBA_RBTX4927_IRQ_IOC_ENDIRQ, - "irq=%d\n", irq); - - if (irq < TOSHIBA_RBTX4927_IRQ_IOC_BEG - || irq > TOSHIBA_RBTX4927_IRQ_IOC_END) { - TOSHIBA_RBTX4927_IRQ_DPRINTK(TOSHIBA_RBTX4927_IRQ_EROR, - "bad irq=%d\n", irq); - panic("\n"); - } - - if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS))) { - toshiba_rbtx4927_irq_ioc_enable(irq); - } -} - /**********************************************************************************/ /* Functions for isa */ diff --git a/arch/mips/tx4938/common/irq.c b/arch/mips/tx4938/common/irq.c index 42e127683ae9..a347b424d91c 100644 --- a/arch/mips/tx4938/common/irq.c +++ b/arch/mips/tx4938/common/irq.c @@ -39,11 +39,9 @@ static void tx4938_irq_cp0_enable(unsigned int irq); static void tx4938_irq_cp0_disable(unsigned int irq); -static void tx4938_irq_cp0_end(unsigned int irq); static void tx4938_irq_pic_enable(unsigned int irq); static void tx4938_irq_pic_disable(unsigned int irq); -static void tx4938_irq_pic_end(unsigned int irq); /**********************************************************************************/ /* Kernel structs for all pic's */ @@ -56,7 +54,6 @@ static struct irq_chip tx4938_irq_cp0_type = { .mask = tx4938_irq_cp0_disable, .mask_ack = tx4938_irq_cp0_disable, .unmask = tx4938_irq_cp0_enable, - .end = tx4938_irq_cp0_end, }; #define TX4938_PIC_NAME "TX4938-PIC" @@ -66,7 +63,6 @@ static struct irq_chip tx4938_irq_pic_type = { .mask = tx4938_irq_pic_disable, .mask_ack = tx4938_irq_pic_disable, .unmask = tx4938_irq_pic_enable, - .end = tx4938_irq_pic_end, }; static struct irqaction tx4938_irq_pic_action = { @@ -104,14 +100,6 @@ tx4938_irq_cp0_disable(unsigned int irq) clear_c0_status(tx4938_irq_cp0_mask(irq)); } -static void -tx4938_irq_cp0_end(unsigned int irq) -{ - if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS))) { - tx4938_irq_cp0_enable(irq); - } -} - /**********************************************************************************/ /* Functions for pic */ /**********************************************************************************/ @@ -269,14 +257,6 @@ tx4938_irq_pic_disable(unsigned int irq) tx4938_irq_pic_mask(irq), 0); } -static void -tx4938_irq_pic_end(unsigned int irq) -{ - if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS))) { - tx4938_irq_pic_enable(irq); - } -} - /**********************************************************************************/ /* Main init functions */ /**********************************************************************************/ diff --git a/arch/mips/tx4938/toshiba_rbtx4938/irq.c b/arch/mips/tx4938/toshiba_rbtx4938/irq.c index 8c87a35f3068..b6f363d08011 100644 --- a/arch/mips/tx4938/toshiba_rbtx4938/irq.c +++ b/arch/mips/tx4938/toshiba_rbtx4938/irq.c @@ -89,7 +89,6 @@ IRQ Device static void toshiba_rbtx4938_irq_ioc_enable(unsigned int irq); static void toshiba_rbtx4938_irq_ioc_disable(unsigned int irq); -static void toshiba_rbtx4938_irq_ioc_end(unsigned int irq); #define TOSHIBA_RBTX4938_IOC_NAME "RBTX4938-IOC" static struct irq_chip toshiba_rbtx4938_irq_ioc_type = { @@ -98,7 +97,6 @@ static struct irq_chip toshiba_rbtx4938_irq_ioc_type = { .mask = toshiba_rbtx4938_irq_ioc_disable, .mask_ack = toshiba_rbtx4938_irq_ioc_disable, .unmask = toshiba_rbtx4938_irq_ioc_enable, - .end = toshiba_rbtx4938_irq_ioc_end, }; #define TOSHIBA_RBTX4938_IOC_INTR_ENAB 0xb7f02000 @@ -167,14 +165,6 @@ toshiba_rbtx4938_irq_ioc_disable(unsigned int irq) TX4938_RD08(TOSHIBA_RBTX4938_IOC_INTR_ENAB); } -static void -toshiba_rbtx4938_irq_ioc_end(unsigned int irq) -{ - if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS))) { - toshiba_rbtx4938_irq_ioc_enable(irq); - } -} - extern void __init txx9_spi_irqinit(int irc_irq); void __init arch_init_irq(void) diff --git a/arch/mips/vr41xx/Kconfig b/arch/mips/vr41xx/Kconfig index 92f41f6f934a..c8dfd8092cab 100644 --- a/arch/mips/vr41xx/Kconfig +++ b/arch/mips/vr41xx/Kconfig @@ -6,6 +6,7 @@ config CASIO_E55 select ISA select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_LITTLE_ENDIAN + select GENERIC_HARDIRQS_NO__DO_IRQ config IBM_WORKPAD bool "Support for IBM WorkPad z50" @@ -15,6 +16,7 @@ config IBM_WORKPAD select ISA select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_LITTLE_ENDIAN + select GENERIC_HARDIRQS_NO__DO_IRQ config NEC_CMBVR4133 bool "Support for NEC CMB-VR4133" @@ -39,6 +41,7 @@ config TANBAC_TB022X select IRQ_CPU select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_LITTLE_ENDIAN + select GENERIC_HARDIRQS_NO__DO_IRQ help The TANBAC VR4131 multichip module(TB0225) and the TANBAC VR4131DIMM(TB0229) are MIPS-based platforms @@ -71,6 +74,7 @@ config VICTOR_MPC30X select IRQ_CPU select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_LITTLE_ENDIAN + select GENERIC_HARDIRQS_NO__DO_IRQ config ZAO_CAPCELLA bool "Support for ZAO Networks Capcella" @@ -80,6 +84,7 @@ config ZAO_CAPCELLA select IRQ_CPU select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_LITTLE_ENDIAN + select GENERIC_HARDIRQS_NO__DO_IRQ config PCI_VR41XX bool "Add PCI control unit support of NEC VR4100 series" diff --git a/arch/mips/vr41xx/common/icu.c b/arch/mips/vr41xx/common/icu.c index 54b92a74c7ac..c075261976c5 100644 --- a/arch/mips/vr41xx/common/icu.c +++ b/arch/mips/vr41xx/common/icu.c @@ -427,19 +427,12 @@ static void enable_sysint1_irq(unsigned int irq) icu1_set(MSYSINT1REG, 1 << SYSINT1_IRQ_TO_PIN(irq)); } -static void end_sysint1_irq(unsigned int irq) -{ - if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS))) - icu1_set(MSYSINT1REG, 1 << SYSINT1_IRQ_TO_PIN(irq)); -} - static struct irq_chip sysint1_irq_type = { .typename = "SYSINT1", .ack = disable_sysint1_irq, .mask = disable_sysint1_irq, .mask_ack = disable_sysint1_irq, .unmask = enable_sysint1_irq, - .end = end_sysint1_irq, }; static void disable_sysint2_irq(unsigned int irq) @@ -452,19 +445,12 @@ static void enable_sysint2_irq(unsigned int irq) icu2_set(MSYSINT2REG, 1 << SYSINT2_IRQ_TO_PIN(irq)); } -static void end_sysint2_irq(unsigned int irq) -{ - if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS))) - icu2_set(MSYSINT2REG, 1 << SYSINT2_IRQ_TO_PIN(irq)); -} - static struct irq_chip sysint2_irq_type = { .typename = "SYSINT2", .ack = disable_sysint2_irq, .mask = disable_sysint2_irq, .mask_ack = disable_sysint2_irq, .unmask = enable_sysint2_irq, - .end = end_sysint2_irq, }; static inline int set_sysint1_assign(unsigned int irq, unsigned char assign) |