diff options
Diffstat (limited to 'arch')
54 files changed, 441 insertions, 304 deletions
diff --git a/arch/arm/common/gic.c b/arch/arm/common/gic.c index f3c1ebf..f3e020f 100644 --- a/arch/arm/common/gic.c +++ b/arch/arm/common/gic.c @@ -95,7 +95,8 @@ static void gic_set_cpu(unsigned int irq, cpumask_t mask_val) } #endif -static struct irqchip gic_chip = { +static struct irq_chip gic_chip = { + .name = "GIC", .ack = gic_ack_irq, .mask = gic_mask_irq, .unmask = gic_unmask_irq, diff --git a/arch/arm/common/locomo.c b/arch/arm/common/locomo.c index 04de83f..4e0dcae 100644 --- a/arch/arm/common/locomo.c +++ b/arch/arm/common/locomo.c @@ -204,7 +204,8 @@ static void locomo_unmask_irq(unsigned int irq) locomo_writel(r, mapbase + LOCOMO_ICR); } -static struct irqchip locomo_chip = { +static struct irq_chip locomo_chip = { + .name = "LOCOMO", .ack = locomo_ack_irq, .mask = locomo_mask_irq, .unmask = locomo_unmask_irq, @@ -249,7 +250,8 @@ static void locomo_key_unmask_irq(unsigned int irq) locomo_writel(r, mapbase + LOCOMO_KEYBOARD + LOCOMO_KIC); } -static struct irqchip locomo_key_chip = { +static struct irq_chip locomo_key_chip = { + .name = "LOCOMO-key", .ack = locomo_key_ack_irq, .mask = locomo_key_mask_irq, .unmask = locomo_key_unmask_irq, @@ -312,7 +314,8 @@ static void locomo_gpio_unmask_irq(unsigned int irq) locomo_writel(r, mapbase + LOCOMO_GIE); } -static struct irqchip locomo_gpio_chip = { +static struct irq_chip locomo_gpio_chip = { + .name = "LOCOMO-gpio", .ack = locomo_gpio_ack_irq, .mask = locomo_gpio_mask_irq, .unmask = locomo_gpio_unmask_irq, @@ -357,7 +360,8 @@ static void locomo_lt_unmask_irq(unsigned int irq) locomo_writel(r, mapbase + LOCOMO_LTINT); } -static struct irqchip locomo_lt_chip = { +static struct irq_chip locomo_lt_chip = { + .name = "LOCOMO-lt", .ack = locomo_lt_ack_irq, .mask = locomo_lt_mask_irq, .unmask = locomo_lt_unmask_irq, @@ -418,7 +422,8 @@ static void locomo_spi_unmask_irq(unsigned int irq) locomo_writel(r, mapbase + LOCOMO_SPIIE); } -static struct irqchip locomo_spi_chip = { +static struct irq_chip locomo_spi_chip = { + .name = "LOCOMO-spi", .ack = locomo_spi_ack_irq, .mask = locomo_spi_mask_irq, .unmask = locomo_spi_unmask_irq, diff --git a/arch/arm/common/sa1111.c b/arch/arm/common/sa1111.c index 1cdb26a..a331c12 100644 --- a/arch/arm/common/sa1111.c +++ b/arch/arm/common/sa1111.c @@ -272,7 +272,8 @@ static int sa1111_wake_lowirq(unsigned int irq, unsigned int on) return 0; } -static struct irqchip sa1111_low_chip = { +static struct irq_chip sa1111_low_chip = { + .name = "SA1111-l", .ack = sa1111_ack_irq, .mask = sa1111_mask_lowirq, .unmask = sa1111_unmask_lowirq, @@ -368,7 +369,8 @@ static int sa1111_wake_highirq(unsigned int irq, unsigned int on) return 0; } -static struct irqchip sa1111_high_chip = { +static struct irq_chip sa1111_high_chip = { + .name = "SA1111-h", .ack = sa1111_ack_irq, .mask = sa1111_mask_highirq, .unmask = sa1111_unmask_highirq, diff --git a/arch/arm/common/vic.c b/arch/arm/common/vic.c index a19bc4a..43d2781 100644 --- a/arch/arm/common/vic.c +++ b/arch/arm/common/vic.c @@ -39,7 +39,8 @@ static void vic_unmask_irq(unsigned int irq) writel(1 << irq, base + VIC_INT_ENABLE); } -static struct irqchip vic_chip = { +static struct irq_chip vic_chip = { + .name = "VIC", .ack = vic_mask_irq, .mask = vic_mask_irq, .unmask = vic_unmask_irq, diff --git a/arch/arm/kernel/ecard.c b/arch/arm/kernel/ecard.c index b9a74a7..eca248d 100644 --- a/arch/arm/kernel/ecard.c +++ b/arch/arm/kernel/ecard.c @@ -470,7 +470,8 @@ static void ecard_irq_mask(unsigned int irqnr) } } -static struct irqchip ecard_chip = { +static struct irq_chip ecard_chip = { + .name = "ECARD", .ack = ecard_irq_mask, .mask = ecard_irq_mask, .unmask = ecard_irq_unmask, diff --git a/arch/arm/kernel/irq.c b/arch/arm/kernel/irq.c index 626feeec..2e1bf83 100644 --- a/arch/arm/kernel/irq.c +++ b/arch/arm/kernel/irq.c @@ -77,6 +77,7 @@ int show_interrupts(struct seq_file *p, void *v) seq_printf(p, "%3d: ", i); for_each_present_cpu(cpu) seq_printf(p, "%10u ", kstat_cpu(cpu).irqs[i]); + seq_printf(p, " %10s", irq_desc[i].chip->name ? : "-"); seq_printf(p, " %s", action->name); for (action = action->next; action; action = action->next) seq_printf(p, ", %s", action->name); diff --git a/arch/arm/mach-at91rm9200/gpio.c b/arch/arm/mach-at91rm9200/gpio.c index 5783c28..cec199f 100644 --- a/arch/arm/mach-at91rm9200/gpio.c +++ b/arch/arm/mach-at91rm9200/gpio.c @@ -327,7 +327,8 @@ static int gpio_irq_type(unsigned pin, unsigned type) return (type == IRQT_BOTHEDGE) ? 0 : -EINVAL; } -static struct irqchip gpio_irqchip = { +static struct irq_chip gpio_irqchip = { + .name = "GPIO", .mask = gpio_irq_mask, .unmask = gpio_irq_unmask, .set_type = gpio_irq_type, diff --git a/arch/arm/mach-at91rm9200/irq.c b/arch/arm/mach-at91rm9200/irq.c index 9b09113..c3a5e77 100644 --- a/arch/arm/mach-at91rm9200/irq.c +++ b/arch/arm/mach-at91rm9200/irq.c @@ -114,7 +114,8 @@ void at91_irq_resume(void) #define at91_aic_set_wake NULL #endif -static struct irqchip at91_aic_chip = { +static struct irq_chip at91_aic_chip = { + .name = "AIC", .ack = at91_aic_mask_irq, .mask = at91_aic_mask_irq, .unmask = at91_aic_unmask_irq, diff --git a/arch/arm/mach-imx/irq.c b/arch/arm/mach-imx/irq.c index a5de5f1..2688bd8 100644 --- a/arch/arm/mach-imx/irq.c +++ b/arch/arm/mach-imx/irq.c @@ -204,13 +204,15 @@ imx_gpiod_demux_handler(unsigned int irq_unused, struct irqdesc *desc, imx_gpio_handler(mask, irq, desc, regs); } -static struct irqchip imx_internal_chip = { +static struct irq_chip imx_internal_chip = { + .name = "MPU", .ack = imx_mask_irq, .mask = imx_mask_irq, .unmask = imx_unmask_irq, }; -static struct irqchip imx_gpio_chip = { +static struct irq_chip imx_gpio_chip = { + .name = "GPIO", .ack = imx_gpio_ack_irq, .mask = imx_gpio_mask_irq, .unmask = imx_gpio_unmask_irq, diff --git a/arch/arm/mach-integrator/integrator_ap.c b/arch/arm/mach-integrator/integrator_ap.c index 6d65c96..191c57a 100644 --- a/arch/arm/mach-integrator/integrator_ap.c +++ b/arch/arm/mach-integrator/integrator_ap.c @@ -161,7 +161,8 @@ static void sc_unmask_irq(unsigned int irq) writel(1 << irq, VA_IC_BASE + IRQ_ENABLE_SET); } -static struct irqchip sc_chip = { +static struct irq_chip sc_chip = { + .name = "SC", .ack = sc_mask_irq, .mask = sc_mask_irq, .unmask = sc_unmask_irq, diff --git a/arch/arm/mach-integrator/integrator_cp.c b/arch/arm/mach-integrator/integrator_cp.c index 9f55f5a..678b6ba 100644 --- a/arch/arm/mach-integrator/integrator_cp.c +++ b/arch/arm/mach-integrator/integrator_cp.c @@ -156,7 +156,8 @@ static void cic_unmask_irq(unsigned int irq) cic_writel(1 << irq, INTCP_VA_CIC_BASE + IRQ_ENABLE_SET); } -static struct irqchip cic_chip = { +static struct irq_chip cic_chip = { + .name = "CIC", .ack = cic_mask_irq, .mask = cic_mask_irq, .unmask = cic_unmask_irq, @@ -174,7 +175,8 @@ static void pic_unmask_irq(unsigned int irq) pic_writel(1 << irq, INTCP_VA_PIC_BASE + IRQ_ENABLE_SET); } -static struct irqchip pic_chip = { +static struct irq_chip pic_chip = { + .name = "PIC", .ack = pic_mask_irq, .mask = pic_mask_irq, .unmask = pic_unmask_irq, @@ -192,7 +194,8 @@ static void sic_unmask_irq(unsigned int irq) sic_writel(1 << irq, INTCP_VA_SIC_BASE + IRQ_ENABLE_SET); } -static struct irqchip sic_chip = { +static struct irq_chip sic_chip = { + .name = "SIC", .ack = sic_mask_irq, .mask = sic_mask_irq, .unmask = sic_unmask_irq, diff --git a/arch/arm/mach-iop3xx/iop321-irq.c b/arch/arm/mach-iop3xx/iop321-irq.c index d42aae6..88ac333 100644 --- a/arch/arm/mach-iop3xx/iop321-irq.c +++ b/arch/arm/mach-iop3xx/iop321-irq.c @@ -52,7 +52,8 @@ iop321_irq_unmask (unsigned int irq) intctl_write(iop321_mask); } -struct irqchip ext_chip = { +struct irq_chip ext_chip = { + .name = "IOP", .ack = iop321_irq_mask, .mask = iop321_irq_mask, .unmask = iop321_irq_unmask, diff --git a/arch/arm/mach-iop3xx/iop331-irq.c b/arch/arm/mach-iop3xx/iop331-irq.c index f4d4321..cab1172 100644 --- a/arch/arm/mach-iop3xx/iop331-irq.c +++ b/arch/arm/mach-iop3xx/iop331-irq.c @@ -77,13 +77,15 @@ iop331_irq_unmask2(unsigned int irq) intctl_write1(iop331_mask1); } -struct irqchip iop331_irqchip1 = { +struct irq_chip iop331_irqchip1 = { + .name = "IOP-1", .ack = iop331_irq_mask1, .mask = iop331_irq_mask1, .unmask = iop331_irq_unmask1, }; -struct irqchip iop331_irqchip2 = { +struct irq_chip iop331_irqchip2 = { + .name = "IOP-2", .ack = iop331_irq_mask2, .mask = iop331_irq_mask2, .unmask = iop331_irq_unmask2, diff --git a/arch/arm/mach-lh7a40x/arch-kev7a400.c b/arch/arm/mach-lh7a40x/arch-kev7a400.c index 2cccc27..4f2ab48 100644 --- a/arch/arm/mach-lh7a40x/arch-kev7a400.c +++ b/arch/arm/mach-lh7a40x/arch-kev7a400.c @@ -63,7 +63,8 @@ static void kev7a400_unmask_cpld_irq (u32 irq) CPLD_WR_PB_INT_MASK = CPLD_IRQ_mask; } -static struct irqchip kev7a400_cpld_chip = { +static struct irq_chip kev7a400_cpld_chip = { + .name = "CPLD", .ack = kev7a400_ack_cpld_irq, .mask = kev7a400_mask_cpld_irq, .unmask = kev7a400_unmask_cpld_irq, diff --git a/arch/arm/mach-lh7a40x/arch-lpd7a40x.c b/arch/arm/mach-lh7a40x/arch-lpd7a40x.c index 35c3606..a691011 100644 --- a/arch/arm/mach-lh7a40x/arch-lpd7a40x.c +++ b/arch/arm/mach-lh7a40x/arch-lpd7a40x.c @@ -200,7 +200,8 @@ static void lh7a40x_unmask_cpld_irq (u32 irq) } } -static struct irqchip lpd7a40x_cpld_chip = { +static struct irq_chip lpd7a40x_cpld_chip = { + .name = "CPLD", .ack = lh7a40x_ack_cpld_irq, .mask = lh7a40x_mask_cpld_irq, .unmask = lh7a40x_unmask_cpld_irq, diff --git a/arch/arm/mach-lh7a40x/irq-kev7a400.c b/arch/arm/mach-lh7a40x/irq-kev7a400.c index 8535764..f9b3fe9 100644 --- a/arch/arm/mach-lh7a40x/irq-kev7a400.c +++ b/arch/arm/mach-lh7a40x/irq-kev7a400.c @@ -43,7 +43,8 @@ lh7a400_unmask_cpld_irq (u32 irq) } static struct -irqchip lh7a400_cpld_chip = { +irq_chip lh7a400_cpld_chip = { + .name = "CPLD", .ack = lh7a400_ack_cpld_irq, .mask = lh7a400_mask_cpld_irq, .unmask = lh7a400_unmask_cpld_irq, diff --git a/arch/arm/mach-lh7a40x/irq-lh7a400.c b/arch/arm/mach-lh7a40x/irq-lh7a400.c index f9fdefe..091b2dc 100644 --- a/arch/arm/mach-lh7a40x/irq-lh7a400.c +++ b/arch/arm/mach-lh7a40x/irq-lh7a400.c @@ -38,13 +38,15 @@ static void lh7a400_ack_gpio_irq (u32 irq) INTC_INTENC = (1 << irq); } -static struct irqchip lh7a400_internal_chip = { +static struct irq_chip lh7a400_internal_chip = { + .name = "MPU", .ack = lh7a400_mask_irq, /* Level triggering -> mask is ack */ .mask = lh7a400_mask_irq, .unmask = lh7a400_unmask_irq, }; -static struct irqchip lh7a400_gpio_chip = { +static struct irq_chip lh7a400_gpio_chip = { + .name = "GPIO", .ack = lh7a400_ack_gpio_irq, .mask = lh7a400_mask_irq, .unmask = lh7a400_unmask_irq, diff --git a/arch/arm/mach-lh7a40x/irq-lh7a404.c b/arch/arm/mach-lh7a40x/irq-lh7a404.c index 2685a81..7059b98 100644 --- a/arch/arm/mach-lh7a40x/irq-lh7a404.c +++ b/arch/arm/mach-lh7a40x/irq-lh7a404.c @@ -76,25 +76,29 @@ static void lh7a404_vic2_ack_gpio_irq (u32 irq) VIC2_INTENCLR = (1 << irq); } -static struct irqchip lh7a404_vic1_chip = { +static struct irq_chip lh7a404_vic1_chip = { + .name = "VIC1", .ack = lh7a404_vic1_mask_irq, /* Because level-triggered */ .mask = lh7a404_vic1_mask_irq, .unmask = lh7a404_vic1_unmask_irq, }; -static struct irqchip lh7a404_vic2_chip = { +static struct irq_chip lh7a404_vic2_chip = { + .name = "VIC2", .ack = lh7a404_vic2_mask_irq, /* Because level-triggered */ .mask = lh7a404_vic2_mask_irq, .unmask = lh7a404_vic2_unmask_irq, }; -static struct irqchip lh7a404_gpio_vic1_chip = { +static struct irq_chip lh7a404_gpio_vic1_chip = { + .name = "GPIO-VIC1", .ack = lh7a404_vic1_ack_gpio_irq, .mask = lh7a404_vic1_mask_irq, .unmask = lh7a404_vic1_unmask_irq, }; -static struct irqchip lh7a404_gpio_vic2_chip = { +static struct irq_chip lh7a404_gpio_vic2_chip = { + .name = "GPIO-VIC2", .ack = lh7a404_vic2_ack_gpio_irq, .mask = lh7a404_vic2_mask_irq, .unmask = lh7a404_vic2_unmask_irq, diff --git a/arch/arm/mach-lh7a40x/irq-lpd7a40x.c b/arch/arm/mach-lh7a40x/irq-lpd7a40x.c index dcb4e17..d6055dd 100644 --- a/arch/arm/mach-lh7a40x/irq-lpd7a40x.c +++ b/arch/arm/mach-lh7a40x/irq-lpd7a40x.c @@ -50,7 +50,8 @@ static void lh7a40x_unmask_cpld_irq (u32 irq) } } -static struct irqchip lh7a40x_cpld_chip = { +static struct irq_chip lh7a40x_cpld_chip = { + .name = "CPLD", .ack = lh7a40x_ack_cpld_irq, .mask = lh7a40x_mask_cpld_irq, .unmask = lh7a40x_unmask_cpld_irq, diff --git a/arch/arm/mach-omap1/fpga.c b/arch/arm/mach-omap1/fpga.c index 34eb79e..efe9bfc 100644 --- a/arch/arm/mach-omap1/fpga.c +++ b/arch/arm/mach-omap1/fpga.c @@ -106,14 +106,16 @@ void innovator_fpga_IRQ_demux(unsigned int irq, struct irqdesc *desc, } } -static struct irqchip omap_fpga_irq_ack = { +static struct irq_chip omap_fpga_irq_ack = { + .name = "FPGA-ack", .ack = fpga_mask_ack_irq, .mask = fpga_mask_irq, .unmask = fpga_unmask_irq, }; -static struct irqchip omap_fpga_irq = { +static struct irq_chip omap_fpga_irq = { + .name = "FPGA", .ack = fpga_ack_irq, .mask = fpga_mask_irq, .unmask = fpga_unmask_irq, diff --git a/arch/arm/mach-omap1/irq.c b/arch/arm/mach-omap1/irq.c index 9e03984..3ea140b 100644 --- a/arch/arm/mach-omap1/irq.c +++ b/arch/arm/mach-omap1/irq.c @@ -168,7 +168,8 @@ static struct omap_irq_bank omap1610_irq_banks[] = { }; #endif -static struct irqchip omap_irq_chip = { +static struct irq_chip omap_irq_chip = { + .name = "MPU", .ack = omap_mask_ack_irq, .mask = omap_mask_irq, .unmask = omap_unmask_irq, diff --git a/arch/arm/mach-omap2/irq.c b/arch/arm/mach-omap2/irq.c index 3eed6a7..dfc3b35 100644 --- a/arch/arm/mach-omap2/irq.c +++ b/arch/arm/mach-omap2/irq.c @@ -94,7 +94,8 @@ static void omap_mask_ack_irq(unsigned int irq) omap_ack_irq(irq); } -static struct irqchip omap_irq_chip = { +static struct irq_chip omap_irq_chip = { + .name = "INTC", .ack = omap_mask_ack_irq, .mask = omap_mask_irq, .unmask = omap_unmask_irq, diff --git a/arch/arm/mach-pxa/irq.c b/arch/arm/mach-pxa/irq.c index d9635ff..12141e2 100644 --- a/arch/arm/mach-pxa/irq.c +++ b/arch/arm/mach-pxa/irq.c @@ -39,7 +39,8 @@ static void pxa_unmask_low_irq(unsigned int irq) ICMR |= (1 << (irq + PXA_IRQ_SKIP)); } -static struct irqchip pxa_internal_chip_low = { +static struct irq_chip pxa_internal_chip_low = { + .name = "SC", .ack = pxa_mask_low_irq, .mask = pxa_mask_low_irq, .unmask = pxa_unmask_low_irq, @@ -61,7 +62,8 @@ static void pxa_unmask_high_irq(unsigned int irq) ICMR2 |= (1 << (irq - 32 + PXA_IRQ_SKIP)); } -static struct irqchip pxa_internal_chip_high = { +static struct irq_chip pxa_internal_chip_high = { + .name = "SC-hi", .ack = pxa_mask_high_irq, .mask = pxa_mask_high_irq, .unmask = pxa_unmask_high_irq, @@ -129,7 +131,8 @@ static void pxa_ack_low_gpio(unsigned int irq) GEDR0 = (1 << (irq - IRQ_GPIO0)); } -static struct irqchip pxa_low_gpio_chip = { +static struct irq_chip pxa_low_gpio_chip = { + .name = "GPIO-l", .ack = pxa_ack_low_gpio, .mask = pxa_mask_low_irq, .unmask = pxa_unmask_low_irq, @@ -237,7 +240,8 @@ static void pxa_unmask_muxed_gpio(unsigned int irq) GFER(gpio) = GPIO_IRQ_falling_edge[idx] & GPIO_IRQ_mask[idx]; } -static struct irqchip pxa_muxed_gpio_chip = { +static struct irq_chip pxa_muxed_gpio_chip = { + .name = "GPIO", .ack = pxa_ack_muxed_gpio, .mask = pxa_mask_muxed_gpio, .unmask = pxa_unmask_muxed_gpio, diff --git a/arch/arm/mach-pxa/lpd270.c b/arch/arm/mach-pxa/lpd270.c index 1a5f5c2..12479ae 100644 --- a/arch/arm/mach-pxa/lpd270.c +++ b/arch/arm/mach-pxa/lpd270.c @@ -68,7 +68,8 @@ static void lpd270_unmask_irq(unsigned int irq) __raw_writew(lpd270_irq_enabled, LPD270_INT_MASK); } -static struct irqchip lpd270_irq_chip = { +static struct irq_chip lpd270_irq_chip = { + .name = "CPLD", .ack = lpd270_mask_irq, .mask = lpd270_mask_irq, .unmask = lpd270_unmask_irq, diff --git a/arch/arm/mach-pxa/lubbock.c b/arch/arm/mach-pxa/lubbock.c index 6a9a669..83ff5ce 100644 --- a/arch/arm/mach-pxa/lubbock.c +++ b/arch/arm/mach-pxa/lubbock.c @@ -78,7 +78,8 @@ static void lubbock_unmask_irq(unsigned int irq) LUB_IRQ_MASK_EN = (lubbock_irq_enabled |= (1 << lubbock_irq)); } -static struct irqchip lubbock_irq_chip = { +static struct irq_chip lubbock_irq_chip = { + .name = "FPGA", .ack = lubbock_mask_irq, .mask = lubbock_mask_irq, .unmask = lubbock_unmask_irq, diff --git a/arch/arm/mach-pxa/mainstone.c b/arch/arm/mach-pxa/mainstone.c index 21ddf3d..a7e9b96 100644 --- a/arch/arm/mach-pxa/mainstone.c +++ b/arch/arm/mach-pxa/mainstone.c @@ -64,7 +64,8 @@ static void mainstone_unmask_irq(unsigned int irq) MST_INTMSKENA = (mainstone_irq_enabled |= (1 << mainstone_irq)); } -static struct irqchip mainstone_irq_chip = { +static struct irq_chip mainstone_irq_chip = { + .name = "FPGA", .ack = mainstone_mask_irq, .mask = mainstone_mask_irq, .unmask = mainstone_unmask_irq, diff --git a/arch/arm/mach-sa1100/irq.c b/arch/arm/mach-sa1100/irq.c index 2891b8c..b55b90a 100644 --- a/arch/arm/mach-sa1100/irq.c +++ b/arch/arm/mach-sa1100/irq.c @@ -95,7 +95,8 @@ static int sa1100_low_gpio_wake(unsigned int irq, unsigned int on) return 0; } -static struct irqchip sa1100_low_gpio_chip = { +static struct irq_chip sa1100_low_gpio_chip = { + .name = "GPIO-l", .ack = sa1100_low_gpio_ack, .mask = sa1100_low_gpio_mask, .unmask = sa1100_low_gpio_unmask, @@ -178,7 +179,8 @@ static int sa1100_high_gpio_wake(unsigned int irq, unsigned int on) return 0; } -static struct irqchip sa1100_high_gpio_chip = { +static struct irq_chip sa1100_high_gpio_chip = { + .name = "GPIO-h", .ack = sa1100_high_gpio_ack, .mask = sa1100_high_gpio_mask, .unmask = sa1100_high_gpio_unmask, @@ -215,7 +217,8 @@ static int sa1100_set_wake(unsigned int irq, unsigned int on) return -EINVAL; } -static struct irqchip sa1100_normal_chip = { +static struct irq_chip sa1100_normal_chip = { + .name = "SC", .ack = sa1100_mask_irq, .mask = sa1100_mask_irq, .unmask = sa1100_unmask_irq, diff --git a/arch/arm/mach-shark/irq.c b/arch/arm/mach-shark/irq.c index 6cb67bd..b227052 100644 --- a/arch/arm/mach-shark/irq.c +++ b/arch/arm/mach-shark/irq.c @@ -69,7 +69,8 @@ static irqreturn_t bogus_int(int irq, void *dev_id, struct pt_regs *regs) static struct irqaction cascade; -static struct irqchip fb_chip = { +static struct irq_chip fb_chip = { + .name = "XT-PIC", .ack = shark_ack_8259A_irq, .mask = shark_disable_8259A_irq, .unmask = shark_enable_8259A_irq, diff --git a/arch/arm/mach-versatile/core.c b/arch/arm/mach-versatile/core.c index 8643771..c4e3f8c 100644 --- a/arch/arm/mach-versatile/core.c +++ b/arch/arm/mach-versatile/core.c @@ -69,7 +69,8 @@ static void sic_unmask_irq(unsigned int irq) writel(1 << irq, VA_SIC_BASE + SIC_IRQ_ENABLE_SET); } -static struct irqchip sic_chip = { +static struct irq_chip sic_chip = { + .name = "SIC", .ack = sic_mask_irq, .mask = sic_mask_irq, .unmask = sic_unmask_irq, diff --git a/arch/arm/plat-omap/gpio.c b/arch/arm/plat-omap/gpio.c index fec7970..cd7f973 100644 --- a/arch/arm/plat-omap/gpio.c +++ b/arch/arm/plat-omap/gpio.c @@ -944,7 +944,8 @@ static void mpuio_unmask_irq(unsigned int irq) _set_gpio_irqenable(bank, gpio, 1); } -static struct irqchip gpio_irq_chip = { +static struct irq_chip gpio_irq_chip = { + .name = "GPIO", .ack = gpio_ack_irq, .mask = gpio_mask_irq, .unmask = gpio_unmask_irq, @@ -952,10 +953,11 @@ static struct irqchip gpio_irq_chip = { .set_wake = gpio_wake_enable, }; -static struct irqchip mpuio_irq_chip = { +static struct irq_chip mpuio_irq_chip = { + .name = "MPUIO", .ack = mpuio_ack_irq, .mask = mpuio_mask_irq, - .unmask = mpuio_unmask_irq + .unmask = mpuio_unmask_irq }; static int initialized; diff --git a/arch/i386/kernel/cpu/cpufreq/Kconfig b/arch/i386/kernel/cpu/cpufreq/Kconfig index e44a4c6..ccc1edf 100644 --- a/arch/i386/kernel/cpu/cpufreq/Kconfig +++ b/arch/i386/kernel/cpu/cpufreq/Kconfig @@ -96,6 +96,7 @@ config X86_POWERNOW_K8_ACPI config X86_GX_SUSPMOD tristate "Cyrix MediaGX/NatSemi Geode Suspend Modulation" + depends on PCI help This add the CPUFreq driver for NatSemi Geode processors which support suspend modulation. @@ -202,7 +203,7 @@ config X86_LONGRUN config X86_LONGHAUL tristate "VIA Cyrix III Longhaul" select CPU_FREQ_TABLE - depends on BROKEN + depends on ACPI_PROCESSOR help This adds the CPUFreq driver for VIA Samuel/CyrixIII, VIA Cyrix Samuel/C3, VIA Cyrix Ezra and VIA Cyrix Ezra-T diff --git a/arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c b/arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c index 567b39b..efb41e8 100644 --- a/arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c +++ b/arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c @@ -384,8 +384,7 @@ static int acpi_cpufreq_early_init_acpi(void) } /* Do initialization in ACPI core */ - acpi_processor_preregister_performance(acpi_perf_data); - return 0; + return acpi_processor_preregister_performance(acpi_perf_data); } static int diff --git a/arch/i386/kernel/cpu/cpufreq/longhaul.c b/arch/i386/kernel/cpu/cpufreq/longhaul.c index 146f607..4f2c3ae 100644 --- a/arch/i386/kernel/cpu/cpufreq/longhaul.c +++ b/arch/i386/kernel/cpu/cpufreq/longhaul.c @@ -29,11 +29,13 @@ #include <linux/cpufreq.h> #include <linux/slab.h> #include <linux/string.h> -#include <linux/pci.h> #include <asm/msr.h> #include <asm/timex.h> #include <asm/io.h> +#include <asm/acpi.h> +#include <linux/acpi.h> +#include <acpi/processor.h> #include "longhaul.h" @@ -56,6 +58,8 @@ static int minvid, maxvid; static unsigned int minmult, maxmult; static int can_scale_voltage; static int vrmrev; +static struct acpi_processor *pr = NULL; +static struct acpi_processor_cx *cx = NULL; /* Module parameters */ static int dont_scale_voltage; @@ -118,84 +122,65 @@ static int longhaul_get_cpu_mult(void) return eblcr_table[invalue]; } +/* For processor with BCR2 MSR */ -static void do_powersaver(union msr_longhaul *longhaul, - unsigned int clock_ratio_index) +static void do_longhaul1(int cx_address, unsigned int clock_ratio_index) { - struct pci_dev *dev; - unsigned long flags; - unsigned int tmp_mask; - int version; - int i; - u16 pci_cmd; - u16 cmd_state[64]; + union msr_bcr2 bcr2; + u32 t; - switch (cpu_model) { - case CPU_EZRA_T: - version = 3; - break; - case CPU_NEHEMIAH: - version = 0xf; - break; - default: - return; - } + rdmsrl(MSR_VIA_BCR2, bcr2.val); + /* Enable software clock multiplier */ + bcr2.bits.ESOFTBF = 1; + bcr2.bits.CLOCKMUL = clock_ratio_index; - rdmsrl(MSR_VIA_LONGHAUL, longhaul->val); - longhaul->bits.SoftBusRatio = clock_ratio_index & 0xf; - longhaul->bits.SoftBusRatio4 = (clock_ratio_index & 0x10) >> 4; - longhaul->bits.EnableSoftBusRatio = 1; - longhaul->bits.RevisionKey = 0; + /* Sync to timer tick */ + safe_halt(); + ACPI_FLUSH_CPU_CACHE(); + /* Change frequency on next halt or sleep */ + wrmsrl(MSR_VIA_BCR2, bcr2.val); + /* Invoke C3 */ + inb(cx_address); + /* Dummy op - must do something useless after P_LVL3 read */ + t = inl(acpi_fadt.xpm_tmr_blk.address); + + /* Disable software clock multiplier */ + local_irq_disable(); + rdmsrl(MSR_VIA_BCR2, bcr2.val); + bcr2.bits.ESOFTBF = 0; + wrmsrl(MSR_VIA_BCR2, bcr2.val); +} - preempt_disable(); - local_irq_save(flags); +/* For processor with Longhaul MSR */ - /* - * get current pci bus master state for all devices - * and clear bus master bit - */ - dev = NULL; - i = 0; - do { - dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev); - if (dev != NULL) { - pci_read_config_word(dev, PCI_COMMAND, &pci_cmd); - cmd_state[i++] = pci_cmd; - pci_cmd &= ~PCI_COMMAND_MASTER; - pci_write_config_word(dev, PCI_COMMAND, pci_cmd); - } - } while (dev != NULL); +static void do_powersaver(int cx_address, unsigned int clock_ratio_index) +{ + union msr_longhaul longhaul; + u32 t; - tmp_mask=inb(0x21); /* works on C3. save mask. */ - outb(0xFE,0x21); /* TMR0 only */ - outb(0xFF,0x80); /* delay */ + rdmsrl(MSR_VIA_LONGHAUL, longhaul.val); + longhaul.bits.RevisionKey = longhaul.bits.RevisionID; + longhaul.bits.SoftBusRatio = clock_ratio_index & 0xf; + longhaul.bits.SoftBusRatio4 = (clock_ratio_index & 0x10) >> 4; + longhaul.bits.EnableSoftBusRatio = 1; + /* Sync to timer tick */ safe_halt(); - wrmsrl(MSR_VIA_LONGHAUL, longhaul->val); - halt(); - + ACPI_FLUSH_CPU_CACHE(); + /* Change frequency on next halt or sleep */ + wrmsrl(MSR_VIA_LONGHAUL, longhaul.val); + /* Invoke C3 */ + inb(cx_address); + /* Dummy op - must do something useless after P_LVL3 read */ + t = inl(acpi_fadt.xpm_tmr_blk.address); + + /* Disable bus ratio bit */ local_irq_disable(); - - outb(tmp_mask,0x21); /* restore mask */ - - /* restore pci bus master state for all devices */ - dev = NULL; - i = 0; - do { - dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev); - if (dev != NULL) { - pci_cmd = cmd_state[i++]; - pci_write_config_byte(dev, PCI_COMMAND, pci_cmd); - } - } while (dev != NULL); - local_irq_restore(flags); - preempt_enable(); - - /* disable bus ratio bit */ - rdmsrl(MSR_VIA_LONGHAUL, longhaul->val); - longhaul->bits.EnableSoftBusRatio = 0; - longhaul->bits.RevisionKey = version; - wrmsrl(MSR_VIA_LONGHAUL, longhaul->val); + longhaul.bits.RevisionKey = longhaul.bits.RevisionID; + longhaul.bits.EnableSoftBusRatio = 0; + longhaul.bits.EnableSoftBSEL = 0; + longhaul.bits.EnableSoftVID = 0; + wrmsrl(MSR_VIA_LONGHAUL, longhaul.val); } /** @@ -209,9 +194,9 @@ static void longhaul_setstate(unsigned int clock_ratio_index) { int speed, mult; struct cpufreq_freqs freqs; - union msr_longhaul longhaul; - union msr_bcr2 bcr2; static unsigned int old_ratio=-1; + unsigned long flags; + unsigned int pic1_mask, pic2_mask; if (old_ratio == clock_ratio_index) return; @@ -234,6 +219,20 @@ static void longhaul_setstate(unsigned int clock_ratio_index) dprintk ("Setting to FSB:%dMHz Mult:%d.%dx (%s)\n", fsb, mult/10, mult%10, print_speed(speed/1000)); + preempt_disable(); + local_irq_save(flags); + + pic2_mask = inb(0xA1); + pic1_mask = inb(0x21); /* works on C3. save mask. */ + outb(0xFF,0xA1); /* Overkill */ + outb(0xFE,0x21); /* TMR0 only */ + + /* Disable bus master arbitration */ + if (pr->flags.bm_check) { + acpi_set_register(ACPI_BITREG_ARB_DISABLE, 1, + ACPI_MTX_DO_NOT_LOCK); + } + switch (longhaul_version) { /* @@ -245,20 +244,7 @@ static void longhaul_setstate(unsigned int clock_ratio_index) */ case TYPE_LONGHAUL_V1: case TYPE_LONGHAUL_V2: - rdmsrl (MSR_VIA_BCR2, bcr2.val); - /* Enable software clock multiplier */ - bcr2.bits.ESOFTBF = 1; - bcr2.bits.CLOCKMUL = clock_ratio_index; - local_irq_disable(); - wrmsrl (MSR_VIA_BCR2, bcr2.val); - safe_halt(); - - /* Disable software clock multiplier */ - rdmsrl (MSR_VIA_BCR2, bcr2.val); - bcr2.bits.ESOFTBF = 0; - local_irq_disable(); - wrmsrl (MSR_VIA_BCR2, bcr2.val); - local_irq_enable(); + do_longhaul1(cx->address, clock_ratio_index); break; /* @@ -273,10 +259,22 @@ static void longhaul_setstate(unsigned int clock_ratio_index) * to work in practice. */ case TYPE_POWERSAVER: - do_powersaver(&longhaul, clock_ratio_index); + do_powersaver(cx->address, clock_ratio_index); break; } + /* Enable bus master arbitration */ + if (pr->flags.bm_check) { + acpi_set_register(ACPI_BITREG_ARB_DISABLE, 0, + ACPI_MTX_DO_NOT_LOCK); + } + + outb(pic2_mask,0xA1); /* restore mask */ + outb(pic1_mask,0x21); + + local_irq_restore(flags); + preempt_enable(); + cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE); } @@ -324,9 +322,11 @@ static int guess_fsb(void) static int __init longhaul_get_ranges(void) { unsigned long invalue; - unsigned int multipliers[32]= { - 50,30,40,100,55,35,45,95,90,70,80,60,120,75,85,65, - -1,110,120,-1,135,115,125,105,130,150,160,140,-1,155,-1,145 }; + unsigned int ezra_t_multipliers[32]= { + 90, 30, 40, 100, 55, 35, 45, 95, + 50, 70, 80, 60, 120, 75, 85, 65, + -1, 110, 120, -1, 135, 115, 125, 105, + 130, 150, 160, 140, -1, 155, -1, 145 }; unsigned int j, k = 0; union msr_longhaul longhaul; unsigned long lo, hi; @@ -355,13 +355,13 @@ static int __init longhaul_get_ranges(void) invalue = longhaul.bits.MaxMHzBR; if (longhaul.bits.MaxMHzBR4) invalue += 16; - maxmult=multipliers[invalue]; + maxmult=ezra_t_multipliers[invalue]; invalue = longhaul.bits.MinMHzBR; if (longhaul.bits.MinMHzBR4 == 1) minmult = 30; else - minmult = multipliers[invalue]; + minmult = ezra_t_multipliers[invalue]; fsb = eblcr_fsb_table_v2[longhaul.bits.MaxMHzFSB]; break; } @@ -527,6 +527,18 @@ static unsigned int longhaul_get(unsigned int cpu) return calc_speed(longhaul_get_cpu_mult()); } +static acpi_status longhaul_walk_callback(acpi_handle obj_handle, + u32 nesting_level, + void *context, void **return_value) +{ + struct acpi_device *d; + + if ( acpi_bus_get_device(obj_handle, &d) ) { + return 0; + } + *return_value = (void *)acpi_driver_data(d); + return 1; +} static int __init longhaul_cpu_init(struct cpufreq_policy *policy) { @@ -534,6 +546,15 @@ static int __init longhaul_cpu_init(struct cpufreq_policy *policy) char *cpuname=NULL; int ret; + /* Check ACPI support for C3 state */ + acpi_walk_namespace(ACPI_TYPE_PROCESSOR, ACPI_ROOT_OBJECT, ACPI_UINT32_MAX, + &longhaul_walk_callback, NULL, (void *)&pr); + if (pr == NULL) goto err_acpi; + + cx = &pr->power.states[ACPI_STATE_C3]; + if (cx->address == 0 || cx->latency > 1000) goto err_acpi; + + /* Now check what we have on this motherboard */ switch (c->x86_model) { case 6: cpu_model = CPU_SAMUEL; @@ -634,6 +655,10 @@ static int __init longhaul_cpu_init(struct cpufreq_policy *policy) cpufreq_frequency_table_get_attr(longhaul_table, policy->cpu); return 0; + +err_acpi: + printk(KERN_ERR PFX "No ACPI support for CPU frequency changes.\n"); + return -ENODEV; } static int __devexit longhaul_cpu_exit(struct cpufreq_policy *policy) @@ -666,6 +691,18 @@ static int __init longhaul_init(void) if (c->x86_vendor != X86_VENDOR_CENTAUR || c->x86 != 6) return -ENODEV; +#ifdef CONFIG_SMP + if (num_online_cpus() > 1) { + return -ENODEV; + printk(KERN_ERR PFX "More than 1 CPU detected, longhaul disabled.\n"); + } +#endif +#ifdef CONFIG_X86_IO_APIC + if (cpu_has_apic) { + printk(KERN_ERR PFX "APIC detected. Longhaul is currently broken in this configuration.\n"); + return -ENODEV; + } +#endif switch (c->x86_model) { case 6 ... 9: return cpufreq_register_driver(&longhaul_driver); @@ -699,6 +736,6 @@ MODULE_AUTHOR ("Dave Jones <davej@codemonkey.org.uk>"); MODULE_DESCRIPTION ("Longhaul driver for VIA Cyrix processors."); MODULE_LICENSE ("GPL"); -module_init(longhaul_init); +late_initcall(longhaul_init); module_exit(longhaul_exit); diff --git a/arch/ia64/hp/sim/simscsi.c b/arch/ia64/hp/sim/simscsi.c index a3fe975..8a4f0d0 100644 --- a/arch/ia64/hp/sim/simscsi.c +++ b/arch/ia64/hp/sim/simscsi.c @@ -151,7 +151,7 @@ static void simscsi_sg_readwrite (struct scsi_cmnd *sc, int mode, unsigned long offset) { int list_len = sc->use_sg; - struct scatterlist *sl = (struct scatterlist *)sc->buffer; + struct scatterlist *sl = (struct scatterlist *)sc->request_buffer; struct disk_stat stat; struct disk_req req; @@ -244,7 +244,7 @@ static void simscsi_fillresult(struct scsi_cmnd *sc, char *buf, unsigned len) if (scatterlen == 0) memcpy(sc->request_buffer, buf, len); - else for (slp = (struct scatterlist *)sc->buffer; scatterlen-- > 0 && len > 0; slp++) { + else for (slp = (struct scatterlist *)sc->request_buffer; scatterlen-- > 0 && len > 0; slp++) { unsigned thislen = min(len, slp->length); memcpy(page_address(slp->page) + slp->offset, buf, thislen); diff --git a/arch/ia64/kernel/efi.c b/arch/ia64/kernel/efi.c index e4bfa9d..bb8770a 100644 --- a/arch/ia64/kernel/efi.c +++ b/arch/ia64/kernel/efi.c @@ -632,7 +632,7 @@ kern_memory_descriptor (unsigned long phys_addr) if (phys_addr - md->start < (md->num_pages << EFI_PAGE_SHIFT)) return md; } - return 0; + return NULL; } static efi_memory_desc_t * @@ -652,7 +652,7 @@ efi_memory_descriptor (unsigned long phys_addr) if (phys_addr - md->phys_addr < (md->num_pages << EFI_PAGE_SHIFT)) return md; } - return 0; + return NULL; } u32 @@ -923,7 +923,7 @@ find_memmap_space (void) void efi_memmap_init(unsigned long *s, unsigned long *e) { - struct kern_memdesc *k, *prev = 0; + struct kern_memdesc *k, *prev = NULL; u64 contig_low=0, contig_high=0; u64 as, ae, lim; void *efi_map_start, *efi_map_end, *p, *q; diff --git a/arch/ia64/kernel/head.S b/arch/ia64/kernel/head.S index 561b8f1..29236f0 100644 --- a/arch/ia64/kernel/head.S +++ b/arch/ia64/kernel/head.S @@ -853,7 +853,6 @@ END(__ia64_init_fpu) */ GLOBAL_ENTRY(ia64_switch_mode_phys) { - alloc r2=ar.pfs,0,0,0,0 rsm psr.i | psr.ic // disable interrupts and interrupt collection mov r15=ip } @@ -902,7 +901,6 @@ END(ia64_switch_mode_phys) */ GLOBAL_ENTRY(ia64_switch_mode_virt) { - alloc r2=ar.pfs,0,0,0,0 rsm psr.i | psr.ic // disable interrupts and interrupt collection mov r15=ip } diff --git a/arch/ia64/kernel/ia64_ksyms.c b/arch/ia64/kernel/ia64_ksyms.c index b7cf651..3ead20f 100644 --- a/arch/ia64/kernel/ia64_ksyms.c +++ b/arch/ia64/kernel/ia64_ksyms.c @@ -62,7 +62,7 @@ EXPORT_SYMBOL(__udivdi3); EXPORT_SYMBOL(__moddi3); EXPORT_SYMBOL(__umoddi3); -#if defined(CONFIG_MD_RAID5) || defined(CONFIG_MD_RAID5_MODULE) +#if defined(CONFIG_MD_RAID456) || defined(CONFIG_MD_RAID456_MODULE) extern void xor_ia64_2(void); extern void xor_ia64_3(void); extern void xor_ia64_4(void); diff --git a/arch/ia64/kernel/pal.S b/arch/ia64/kernel/pal.S index 5018c7f..ebaf1e6 100644 --- a/arch/ia64/kernel/pal.S +++ b/arch/ia64/kernel/pal.S @@ -217,12 +217,7 @@ GLOBAL_ENTRY(ia64_pal_call_phys_stacked) .body ;; ld8 loc2 = [loc2] // loc2 <- entry point - mov out0 = in0 // first argument - mov out1 = in1 // copy arg2 - mov out2 = in2 // copy arg3 - mov out3 = in3 // copy arg3 - ;; - mov loc3 = psr // save psr + mov loc3 = psr // save psr ;; mov loc4=ar.rsc // save RSE configuration dep.z loc2=loc2,0,61 // convert pal entry point to physical @@ -236,18 +231,23 @@ GLOBAL_ENTRY(ia64_pal_call_phys_stacked) ;; andcm r16=loc3,r16 // removes bits to clear from psr br.call.sptk.many rp=ia64_switch_mode_phys -.ret6: + + mov out0 = in0 // first argument + mov out1 = in1 // copy arg2 + mov out2 = in2 // copy arg3 + mov out3 = in3 // copy arg3 mov loc5 = r19 mov loc6 = r20 + br.call.sptk.many rp=b7 // now make the call -.ret7: + mov ar.rsc=0 // put RSE in enforced lazy, LE mode mov r16=loc3 // r16= original psr mov r19=loc5 mov r20=loc6 br.call.sptk.many rp=ia64_switch_mode_virt // return to virtual mode -.ret8: mov psr.l = loc3 // restore init PSR + mov psr.l = loc3 // restore init PSR mov ar.pfs = loc1 mov rp = loc0 ;; diff --git a/arch/ia64/kernel/palinfo.c b/arch/ia64/kernel/palinfo.c index ab5b5241..0b546e2 100644 --- a/arch/ia64/kernel/palinfo.c +++ b/arch/ia64/kernel/palinfo.c @@ -566,29 +566,23 @@ version_info(char *page) pal_version_u_t min_ver, cur_ver; char *p = page; - /* The PAL_VERSION call is advertised as being able to support - * both physical and virtual mode calls. This seems to be a documentation - * bug rather than firmware bug. In fact, it does only support physical mode. - * So now the code reflects this fact and the pal_version() has been updated - * accordingly. - */ - if (ia64_pal_version(&min_ver, &cur_ver) != 0) return 0; + if (ia64_pal_version(&min_ver, &cur_ver) != 0) + return 0; p += sprintf(p, "PAL_vendor : 0x%02x (min=0x%02x)\n" - "PAL_A : %x.%x.%x (min=%x.%x.%x)\n" - "PAL_B : %x.%x.%x (min=%x.%x.%x)\n", - cur_ver.pal_version_s.pv_pal_vendor, min_ver.pal_version_s.pv_pal_vendor, - - cur_ver.pal_version_s.pv_pal_a_model>>4, - cur_ver.pal_version_s.pv_pal_a_model&0xf, cur_ver.pal_version_s.pv_pal_a_rev, - min_ver.pal_version_s.pv_pal_a_model>>4, - min_ver.pal_version_s.pv_pal_a_model&0xf, min_ver.pal_version_s.pv_pal_a_rev, - - cur_ver.pal_version_s.pv_pal_b_model>>4, - cur_ver.pal_version_s.pv_pal_b_model&0xf, cur_ver.pal_version_s.pv_pal_b_rev, - min_ver.pal_version_s.pv_pal_b_model>>4, - min_ver.pal_version_s.pv_pal_b_model&0xf, min_ver.pal_version_s.pv_pal_b_rev); + "PAL_A : %02x.%02x (min=%02x.%02x)\n" + "PAL_B : %02x.%02x (min=%02x.%02x)\n", + cur_ver.pal_version_s.pv_pal_vendor, + min_ver.pal_version_s.pv_pal_vendor, + cur_ver.pal_version_s.pv_pal_a_model, + cur_ver.pal_version_s.pv_pal_a_rev, + min_ver.pal_version_s.pv_pal_a_model, + min_ver.pal_version_s.pv_pal_a_rev, + cur_ver.pal_version_s.pv_pal_b_model, + cur_ver.pal_version_s.pv_pal_b_rev, + min_ver.pal_version_s.pv_pal_b_model, + min_ver.pal_version_s.pv_pal_b_rev); return p - page; } diff --git a/arch/ia64/kernel/uncached.c b/arch/ia64/kernel/uncached.c index 5f03b9e..4c73a67 100644 --- a/arch/ia64/kernel/uncached.c +++ b/arch/ia64/kernel/uncached.c @@ -32,32 +32,38 @@ extern void __init efi_memmap_walk_uc(efi_freemem_callback_t, void *); -#define MAX_UNCACHED_GRANULES 5 -static int allocated_granules; +struct uncached_pool { + struct gen_pool *pool; + struct mutex add_chunk_mutex; /* serialize adding a converted chunk */ + int nchunks_added; /* #of converted chunks added to pool */ + atomic_t status; /* smp called function's return status*/ +}; + +#define MAX_CONVERTED_CHUNKS_PER_NODE 2 -struct gen_pool *uncached_pool[MAX_NUMNODES]; +struct uncached_pool uncached_pools[MAX_NUMNODES]; static void uncached_ipi_visibility(void *data) { int status; + struct uncached_pool *uc_pool = (struct uncached_pool *)data; status = ia64_pal_prefetch_visibility(PAL_VISIBILITY_PHYSICAL); if ((status != PAL_VISIBILITY_OK) && (status != PAL_VISIBILITY_OK_REMOTE_NEEDED)) - printk(KERN_DEBUG "pal_prefetch_visibility() returns %i on " - "CPU %i\n", status, raw_smp_processor_id()); + atomic_inc(&uc_pool->status); } static void uncached_ipi_mc_drain(void *data) { int status; + struct uncached_pool *uc_pool = (struct uncached_pool *)data; status = ia64_pal_mc_drain(); - if (status) - printk(KERN_WARNING "ia64_pal_mc_drain() failed with %i on " - "CPU %i\n", status, raw_smp_processor_id()); + if (status != PAL_STATUS_SUCCESS) + atomic_inc(&uc_pool->status); } @@ -70,21 +76,34 @@ static void uncached_ipi_mc_drain(void *data) * This is accomplished by first allocating a granule of cached memory pages * and then converting them to uncached memory pages. */ -static int uncached_add_chunk(struct gen_pool *pool, int nid) +static int uncached_add_chunk(struct uncached_pool *uc_pool, int nid) { struct page *page; - int status, i; + int status, i, nchunks_added = uc_pool->nchunks_added; unsigned long c_addr, uc_addr; - if (allocated_granules >= MAX_UNCACHED_GRANULES) + if (mutex_lock_interruptible(&uc_pool->add_chunk_mutex) != 0) + return -1; /* interrupted by a signal */ + + if (uc_pool->nchunks_added > nchunks_added) { + /* someone added a new chunk while we were waiting */ + mutex_unlock(&uc_pool->add_chunk_mutex); + return 0; + } + + if (uc_pool->nchunks_added >= MAX_CONVERTED_CHUNKS_PER_NODE) { + mutex_unlock(&uc_pool->add_chunk_mutex); return -1; + } /* attempt to allocate a granule's worth of cached memory pages */ page = alloc_pages_node(nid, GFP_KERNEL | __GFP_ZERO, IA64_GRANULE_SHIFT-PAGE_SHIFT); - if (!page) + if (!page) { + mutex_unlock(&uc_pool->add_chunk_mutex); return -1; + } /* convert the memory pages from cached to uncached */ @@ -102,11 +121,14 @@ static int uncached_add_chunk(struct gen_pool *pool, int nid) flush_tlb_kernel_range(uc_addr, uc_adddr + IA64_GRANULE_SIZE); status = ia64_pal_prefetch_visibility(PAL_VISIBILITY_PHYSICAL); - if (!status) { - status = smp_call_function(uncached_ipi_visibility, NULL, 0, 1); - if (status) + if (status == PAL_VISIBILITY_OK_REMOTE_NEEDED) { + atomic_set(&uc_pool->status, 0); + status = smp_call_function(uncached_ipi_visibility, uc_pool, + 0, 1); + if (status || atomic_read(&uc_pool->status)) goto failed; - } + } else if (status != PAL_VISIBILITY_OK) + goto failed; preempt_disable(); @@ -120,20 +142,24 @@ static int uncached_add_chunk(struct gen_pool *pool, int nid) preempt_enable(); - ia64_pal_mc_drain(); - status = smp_call_function(uncached_ipi_mc_drain, NULL, 0, 1); - if (status) + status = ia64_pal_mc_drain(); + if (status != PAL_STATUS_SUCCESS) + goto failed; + atomic_set(&uc_pool->status, 0); + status = smp_call_function(uncached_ipi_mc_drain, uc_pool, 0, 1); + if (status || atomic_read(&uc_pool->status)) goto failed; /* * The chunk of memory pages has been converted to uncached so now we * can add it to the pool. */ - status = gen_pool_add(pool, uc_addr, IA64_GRANULE_SIZE, nid); + status = gen_pool_add(uc_pool->pool, uc_addr, IA64_GRANULE_SIZE, nid); if (status) goto failed; - allocated_granules++; + uc_pool->nchunks_added++; + mutex_unlock(&uc_pool->add_chunk_mutex); return 0; /* failed to convert or add the chunk so give it back to the kernel */ @@ -142,6 +168,7 @@ failed: ClearPageUncached(&page[i]); free_pages(c_addr, IA64_GRANULE_SHIFT-PAGE_SHIFT); + mutex_unlock(&uc_pool->add_chunk_mutex); return -1; } @@ -158,7 +185,7 @@ failed: unsigned long uncached_alloc_page(int starting_nid) { unsigned long uc_addr; - struct gen_pool *pool; + struct uncached_pool *uc_pool; int nid; if (unlikely(starting_nid >= MAX_NUMNODES)) @@ -171,14 +198,14 @@ unsigned long uncached_alloc_page(int starting_nid) do { if (!node_online(nid)) continue; - pool = uncached_pool[nid]; - if (pool == NULL) + uc_pool = &uncached_pools[nid]; + if (uc_pool->pool == NULL) continue; do { - uc_addr = gen_pool_alloc(pool, PAGE_SIZE); + uc_addr = gen_pool_alloc(uc_pool->pool, PAGE_SIZE); if (uc_addr != 0) return uc_addr; - } while (uncached_add_chunk(pool, nid) == 0); + } while (uncached_add_chunk(uc_pool, nid) == 0); } while ((nid = (nid + 1) % MAX_NUMNODES) != starting_nid); @@ -197,7 +224,7 @@ EXPORT_SYMBOL(uncached_alloc_page); void uncached_free_page(unsigned long uc_addr) { int nid = paddr_to_nid(uc_addr - __IA64_UNCACHED_OFFSET); - struct gen_pool *pool = uncached_pool[nid]; + struct gen_pool *pool = uncached_pools[nid].pool; if (unlikely(pool == NULL)) return; @@ -224,7 +251,7 @@ static int __init uncached_build_memmap(unsigned long uc_start, unsigned long uc_end, void *arg) { int nid = paddr_to_nid(uc_start - __IA64_UNCACHED_OFFSET); - struct gen_pool *pool = uncached_pool[nid]; + struct gen_pool *pool = uncached_pools[nid].pool; size_t size = uc_end - uc_start; touch_softlockup_watchdog(); @@ -242,7 +269,8 @@ static int __init uncached_init(void) int nid; for_each_online_node(nid) { - uncached_pool[nid] = gen_pool_create(PAGE_SHIFT, nid); + uncached_pools[nid].pool = gen_pool_create(PAGE_SHIFT, nid); + mutex_init(&uncached_pools[nid].add_chunk_mutex); } efi_memmap_walk_uc(uncached_build_memmap, NULL); diff --git a/arch/ia64/lib/Makefile b/arch/ia64/lib/Makefile index d8536a2..38fa6e4 100644 --- a/arch/ia64/lib/Makefile +++ b/arch/ia64/lib/Makefile @@ -14,7 +14,7 @@ lib-y := __divsi3.o __udivsi3.o __modsi3.o __umodsi3.o \ lib-$(CONFIG_ITANIUM) += copy_page.o copy_user.o memcpy.o lib-$(CONFIG_MCKINLEY) += copy_page_mck.o memcpy_mck.o lib-$(CONFIG_PERFMON) += carta_random.o -lib-$(CONFIG_MD_RAID5) += xor.o +lib-$(CONFIG_MD_RAID456) += xor.o AFLAGS___divdi3.o = AFLAGS___udivdi3.o = -DUNSIGNED diff --git a/arch/ia64/mm/contig.c b/arch/ia64/mm/contig.c index 2a88cdd..e004143 100644 --- a/arch/ia64/mm/contig.c +++ b/arch/ia64/mm/contig.c @@ -27,6 +27,7 @@ #ifdef CONFIG_VIRTUAL_MEM_MAP static unsigned long num_dma_physpages; +static unsigned long max_gap; #endif /** @@ -45,9 +46,15 @@ show_mem (void) printk("Free swap: %6ldkB\n", nr_swap_pages<<(PAGE_SHIFT-10)); i = max_mapnr; - while (i-- > 0) { - if (!pfn_valid(i)) + for (i = 0; i < max_mapnr; i++) { + if (!pfn_valid(i)) { +#ifdef CONFIG_VIRTUAL_MEM_MAP + if (max_gap < LARGE_GAP) + continue; + i = vmemmap_find_next_valid_pfn(0, i) - 1; +#endif continue; + } total++; if (PageReserved(mem_map+i)) reserved++; @@ -234,7 +241,6 @@ paging_init (void) unsigned long zones_size[MAX_NR_ZONES]; #ifdef CONFIG_VIRTUAL_MEM_MAP unsigned long zholes_size[MAX_NR_ZONES]; - unsigned long max_gap; #endif /* initialize mem_map[] */ @@ -266,7 +272,6 @@ paging_init (void) } } - max_gap = 0; efi_memmap_walk(find_largest_hole, (u64 *)&max_gap); if (max_gap < LARGE_GAP) { vmem_map = (struct page *) 0; @@ -277,7 +282,8 @@ paging_init (void) /* allocate virtual_mem_map */ - map_size = PAGE_ALIGN(max_low_pfn * sizeof(struct page)); + map_size = PAGE_ALIGN(ALIGN(max_low_pfn, MAX_ORDER_NR_PAGES) * + sizeof(struct page)); vmalloc_end -= map_size; vmem_map = (struct page *) vmalloc_end; efi_memmap_walk(create_mem_map_page_table, NULL); diff --git a/arch/ia64/mm/discontig.c b/arch/ia64/mm/discontig.c index 99bd9e3..d260bff 100644 --- a/arch/ia64/mm/discontig.c +++ b/arch/ia64/mm/discontig.c @@ -534,68 +534,6 @@ void __cpuinit *per_cpu_init(void) } #endif /* CONFIG_SMP */ -#ifdef CONFIG_VIRTUAL_MEM_MAP -static inline int find_next_valid_pfn_for_pgdat(pg_data_t *pgdat, int i) -{ - unsigned long end_address, hole_next_pfn; - unsigned long stop_address; - - end_address = (unsigned long) &vmem_map[pgdat->node_start_pfn + i]; - end_address = PAGE_ALIGN(end_address); - - stop_address = (unsigned long) &vmem_map[ - pgdat->node_start_pfn + pgdat->node_spanned_pages]; - - do { - pgd_t *pgd; - pud_t *pud; - pmd_t *pmd; - pte_t *pte; - - pgd = pgd_offset_k(end_address); - if (pgd_none(*pgd)) { - end_address += PGDIR_SIZE; - continue; - } - - pud = pud_offset(pgd, end_address); - if (pud_none(*pud)) { - end_address += PUD_SIZE; - continue; - } - - pmd = pmd_offset(pud, end_address); - if (pmd_none(*pmd)) { - end_address += PMD_SIZE; - continue; - } - - pte = pte_offset_kernel(pmd, end_address); -retry_pte: - if (pte_none(*pte)) { - end_address += PAGE_SIZE; - pte++; - if ((end_address < stop_address) && - (end_address != ALIGN(end_address, 1UL << PMD_SHIFT))) - goto retry_pte; - continue; - } - /* Found next valid vmem_map page */ - break; - } while (end_address < stop_address); - - end_address = min(end_address, stop_address); - end_address = end_address - (unsigned long) vmem_map + sizeof(struct page) - 1; - hole_next_pfn = end_address / sizeof(struct page); - return hole_next_pfn - pgdat->node_start_pfn; -} -#else -static inline int find_next_valid_pfn_for_pgdat(pg_data_t *pgdat, int i) -{ - return i + 1; -} -#endif - /** * show_mem - give short summary of memory stats * @@ -625,7 +563,8 @@ void show_mem(void) if (pfn_valid(pgdat->node_start_pfn + i)) page = pfn_to_page(pgdat->node_start_pfn + i); else { - i = find_next_valid_pfn_for_pgdat(pgdat, i) - 1; + i = vmemmap_find_next_valid_pfn(pgdat->node_id, + i) - 1; continue; } if (PageReserved(page)) @@ -751,7 +690,8 @@ void __init paging_init(void) efi_memmap_walk(filter_rsvd_memory, count_node_pages); #ifdef CONFIG_VIRTUAL_MEM_MAP - vmalloc_end -= PAGE_ALIGN(max_low_pfn * sizeof(struct page)); + vmalloc_end -= PAGE_ALIGN(ALIGN(max_low_pfn, MAX_ORDER_NR_PAGES) * + sizeof(struct page)); vmem_map = (struct page *) vmalloc_end; efi_memmap_walk(create_mem_map_page_table, NULL); printk("Virtual mem_map starts at 0x%p\n", vmem_map); diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c index 2f50c06..30617cc 100644 --- a/arch/ia64/mm/init.c +++ b/arch/ia64/mm/init.c @@ -415,6 +415,61 @@ ia64_mmu_init (void *my_cpu_data) } #ifdef CONFIG_VIRTUAL_MEM_MAP +int vmemmap_find_next_valid_pfn(int node, int i) +{ + unsigned long end_address, hole_next_pfn; + unsigned long stop_address; + pg_data_t *pgdat = NODE_DATA(node); + + end_address = (unsigned long) &vmem_map[pgdat->node_start_pfn + i]; + end_address = PAGE_ALIGN(end_address); + + stop_address = (unsigned long) &vmem_map[ + pgdat->node_start_pfn + pgdat->node_spanned_pages]; + + do { + pgd_t *pgd; + pud_t *pud; + pmd_t *pmd; + pte_t *pte; + + pgd = pgd_offset_k(end_address); + if (pgd_none(*pgd)) { + end_address += PGDIR_SIZE; + continue; + } + + pud = pud_offset(pgd, end_address); + if (pud_none(*pud)) { + end_address += PUD_SIZE; + continue; + } + + pmd = pmd_offset(pud, end_address); + if (pmd_none(*pmd)) { + end_address += PMD_SIZE; + continue; + } + + pte = pte_offset_kernel(pmd, end_address); +retry_pte: + if (pte_none(*pte)) { + end_address += PAGE_SIZE; + pte++; + if ((end_address < stop_address) && + (end_address != ALIGN(end_address, 1UL << PMD_SHIFT))) + goto retry_pte; + continue; + } + /* Found next valid vmem_map page */ + break; + } while (end_address < stop_address); + + end_address = min(end_address, stop_address); + end_address = end_address - (unsigned long) vmem_map + sizeof(struct page) - 1; + hole_next_pfn = end_address / sizeof(struct page); + return hole_next_pfn - pgdat->node_start_pfn; +} int __init create_mem_map_page_table (u64 start, u64 end, void *arg) diff --git a/arch/ia64/mm/ioremap.c b/arch/ia64/mm/ioremap.c index 07bd02b..4280c07 100644 --- a/arch/ia64/mm/ioremap.c +++ b/arch/ia64/mm/ioremap.c @@ -32,7 +32,7 @@ ioremap (unsigned long offset, unsigned long size) */ attr = kern_mem_attribute(offset, size); if (attr & EFI_MEMORY_WB) - return phys_to_virt(offset); + return (void __iomem *) phys_to_virt(offset); else if (attr & EFI_MEMORY_UC) return __ioremap(offset, size); @@ -43,7 +43,7 @@ ioremap (unsigned long offset, unsigned long size) gran_base = GRANULEROUNDDOWN(offset); gran_size = GRANULEROUNDUP(offset + size) - gran_base; if (efi_mem_attribute(gran_base, gran_size) & EFI_MEMORY_WB) - return phys_to_virt(offset); + return (void __iomem *) phys_to_virt(offset); return __ioremap(offset, size); } @@ -53,7 +53,7 @@ void __iomem * ioremap_nocache (unsigned long offset, unsigned long size) { if (kern_mem_attribute(offset, size) & EFI_MEMORY_WB) - return 0; + return NULL; return __ioremap(offset, size); } diff --git a/arch/ia64/sn/kernel/xpc_main.c b/arch/ia64/sn/kernel/xpc_main.c index 99b123a..5e8e59e 100644 --- a/arch/ia64/sn/kernel/xpc_main.c +++ b/arch/ia64/sn/kernel/xpc_main.c @@ -480,7 +480,7 @@ xpc_activating(void *__partid) partid_t partid = (u64) __partid; struct xpc_partition *part = &xpc_partitions[partid]; unsigned long irq_flags; - struct sched_param param = { sched_priority: MAX_RT_PRIO - 1 }; + struct sched_param param = { .sched_priority = MAX_RT_PRIO - 1 }; int ret; diff --git a/arch/ia64/sn/pci/tioce_provider.c b/arch/ia64/sn/pci/tioce_provider.c index 17cd342..af7171a 100644 --- a/arch/ia64/sn/pci/tioce_provider.c +++ b/arch/ia64/sn/pci/tioce_provider.c @@ -74,7 +74,7 @@ tioce_mmr_war_pre(struct tioce_kernel *kern, void *mmr_addr) else mmr_war_offset = 0x158; - readq_relaxed((void *)(mmr_base + mmr_war_offset)); + readq_relaxed((void __iomem *)(mmr_base + mmr_war_offset)); } } @@ -92,8 +92,8 @@ tioce_mmr_war_post(struct tioce_kernel *kern, void *mmr_addr) if (mmr_offset < 0x45000) { if (mmr_offset == 0x100) - readq_relaxed((void *)(mmr_base + 0x38)); - readq_relaxed((void *)(mmr_base + 0xb050)); + readq_relaxed((void __iomem *)(mmr_base + 0x38)); + readq_relaxed((void __iomem *)(mmr_base + 0xb050)); } } diff --git a/arch/powerpc/kernel/rtas.c b/arch/powerpc/kernel/rtas.c index 14353b8..bfd66d3 100644 --- a/arch/powerpc/kernel/rtas.c +++ b/arch/powerpc/kernel/rtas.c @@ -571,6 +571,27 @@ int rtas_set_indicator(int indicator, int index, int new_value) } EXPORT_SYMBOL(rtas_set_indicator); +/* + * Ignoring RTAS extended delay + */ +int rtas_set_indicator_fast(int indicator, int index, int new_value) +{ + int rc; + int token = rtas_token("set-indicator"); + + if (token == RTAS_UNKNOWN_SERVICE) + return -ENOENT; + + rc = rtas_call(token, 3, 1, NULL, indicator, index, new_value); + + WARN_ON(rc == -2 || (rc >= 9900 && rc <= 9905)); + + if (rc < 0) + return rtas_error_rc(rc); + + return rc; +} + void rtas_restart(char *cmd) { if (rtas_flash_term_hook) diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c index 6ebeecf..1587efc 100644 --- a/arch/powerpc/platforms/pseries/setup.c +++ b/arch/powerpc/platforms/pseries/setup.c @@ -213,8 +213,6 @@ static void pseries_lpar_enable_pmcs(void) { unsigned long set, reset; - power4_enable_pmcs(); - set = 1UL << 63; reset = 0; plpar_hcall_norets(H_PERFMON, set, reset); diff --git a/arch/powerpc/platforms/pseries/xics.c b/arch/powerpc/platforms/pseries/xics.c index c88ec63..253972e 100644 --- a/arch/powerpc/platforms/pseries/xics.c +++ b/arch/powerpc/platforms/pseries/xics.c @@ -447,7 +447,7 @@ void xics_setup_cpu(void) * * XXX: undo of teardown on kexec needs this too, as may hotplug */ - rtas_set_indicator(GLOBAL_INTERRUPT_QUEUE, + rtas_set_indicator_fast(GLOBAL_INTERRUPT_QUEUE, (1UL << interrupt_server_size) - 1 - default_distrib_server, 1); } @@ -776,7 +776,7 @@ void xics_teardown_cpu(int secondary) * so leave the master cpu in the group. */ if (secondary) - rtas_set_indicator(GLOBAL_INTERRUPT_QUEUE, + rtas_set_indicator_fast(GLOBAL_INTERRUPT_QUEUE, (1UL << interrupt_server_size) - 1 - default_distrib_server, 0); } @@ -793,7 +793,7 @@ void xics_migrate_irqs_away(void) xics_set_cpu_priority(cpu, 0); /* remove ourselves from the global interrupt queue */ - status = rtas_set_indicator(GLOBAL_INTERRUPT_QUEUE, + status = rtas_set_indicator_fast(GLOBAL_INTERRUPT_QUEUE, (1UL << interrupt_server_size) - 1 - default_distrib_server, 0); WARN_ON(status < 0); diff --git a/arch/sh/kernel/cpu/sh4/sq.c b/arch/sh/kernel/cpu/sh4/sq.c index 781dbb1..b09805f 100644 --- a/arch/sh/kernel/cpu/sh4/sq.c +++ b/arch/sh/kernel/cpu/sh4/sq.c @@ -421,18 +421,22 @@ static struct miscdevice sq_dev = { static int __init sq_api_init(void) { + int ret; printk(KERN_NOTICE "sq: Registering store queue API.\n"); -#ifdef CONFIG_PROC_FS create_proc_read_entry("sq_mapping", 0, 0, sq_mapping_read_proc, 0); -#endif - return misc_register(&sq_dev); + ret = misc_register(&sq_dev); + if (ret) + remove_proc_entry("sq_mapping", NULL); + + return ret; } static void __exit sq_api_exit(void) { misc_deregister(&sq_dev); + remove_proc_entry("sq_mapping", NULL); } module_init(sq_api_init); diff --git a/arch/x86_64/kernel/entry.S b/arch/x86_64/kernel/entry.S index d464dde..6f81042 100644 --- a/arch/x86_64/kernel/entry.S +++ b/arch/x86_64/kernel/entry.S @@ -513,6 +513,7 @@ END(stub_rt_sigreturn) swapgs 1: incl %gs:pda_irqcount # RED-PEN should check preempt count cmoveq %gs:pda_irqstackptr,%rsp + push %rbp # backlink for old unwinder /* * We entered an interrupt context - irqs are off: */ @@ -1139,18 +1140,21 @@ ENTRY(machine_check) END(machine_check) #endif +/* Call softirq on interrupt stack. Interrupts are off. */ ENTRY(call_softirq) CFI_STARTPROC - movq %gs:pda_irqstackptr,%rax - movq %rsp,%rdx - CFI_DEF_CFA_REGISTER rdx + push %rbp + CFI_ADJUST_CFA_OFFSET 8 + CFI_REL_OFFSET rbp,0 + mov %rsp,%rbp + CFI_DEF_CFA_REGISTER rbp incl %gs:pda_irqcount - cmove %rax,%rsp - pushq %rdx - /*todo CFI_DEF_CFA_EXPRESSION ...*/ + cmove %gs:pda_irqstackptr,%rsp + push %rbp # backlink for old unwinder call __do_softirq - popq %rsp + leaveq CFI_DEF_CFA_REGISTER rsp + CFI_ADJUST_CFA_OFFSET -8 decl %gs:pda_irqcount ret CFI_ENDPROC diff --git a/arch/x86_64/kernel/pci-nommu.c b/arch/x86_64/kernel/pci-nommu.c index c4c3cc3..aad7609 100644 --- a/arch/x86_64/kernel/pci-nommu.c +++ b/arch/x86_64/kernel/pci-nommu.c @@ -92,5 +92,7 @@ void __init no_iommu_init(void) { if (dma_ops) return; + + force_iommu = 0; /* no HW IOMMU */ dma_ops = &nommu_dma_ops; } diff --git a/arch/x86_64/kernel/smp.c b/arch/x86_64/kernel/smp.c index 5a1c0a3..06af6ca 100644 --- a/arch/x86_64/kernel/smp.c +++ b/arch/x86_64/kernel/smp.c @@ -203,7 +203,7 @@ int __cpuinit init_smp_flush(void) { int i; for_each_cpu_mask(i, cpu_possible_map) { - spin_lock_init(&per_cpu(flush_state.tlbstate_lock, i)); + spin_lock_init(&per_cpu(flush_state, i).tlbstate_lock); } return 0; } |
