Wrap some long lines. Prefer seq_puts() over seq_printf(). space to tab conversions. Spelling error fix. Signed-off-by: Andrew Lunn --- drivers/gpio/gpio-mvebu.c | 77 ++++++++++++++++++++++++++--------------------- 1 file changed, 42 insertions(+), 35 deletions(-) --- a/drivers/gpio/gpio-mvebu.c +++ b/drivers/gpio/gpio-mvebu.c @@ -59,7 +59,7 @@ #define GPIO_LEVEL_MASK_OFF 0x001c /* The MV78200 has per-CPU registers for edge mask and level mask */ -#define GPIO_EDGE_MASK_MV78200_OFF(cpu) ((cpu) ? 0x30 : 0x18) +#define GPIO_EDGE_MASK_MV78200_OFF(cpu) ((cpu) ? 0x30 : 0x18) #define GPIO_LEVEL_MASK_MV78200_OFF(cpu) ((cpu) ? 0x34 : 0x1C) /* The Armada XP has per-CPU registers for interrupt cause, interrupt @@ -69,11 +69,11 @@ #define GPIO_EDGE_MASK_ARMADAXP_OFF(cpu) (0x10 + (cpu) * 0x4) #define GPIO_LEVEL_MASK_ARMADAXP_OFF(cpu) (0x20 + (cpu) * 0x4) -#define MVEBU_GPIO_SOC_VARIANT_ORION 0x1 -#define MVEBU_GPIO_SOC_VARIANT_MV78200 0x2 +#define MVEBU_GPIO_SOC_VARIANT_ORION 0x1 +#define MVEBU_GPIO_SOC_VARIANT_MV78200 0x2 #define MVEBU_GPIO_SOC_VARIANT_ARMADAXP 0x3 -#define MVEBU_MAX_GPIO_PER_BANK 32 +#define MVEBU_MAX_GPIO_PER_BANK 32 struct mvebu_gpio_chip { struct gpio_chip chip; @@ -82,9 +82,9 @@ struct mvebu_gpio_chip { void __iomem *percpu_membase; int irqbase; struct irq_domain *domain; - int soc_variant; + int soc_variant; - /* Used to preserve GPIO registers accross suspend/resume */ + /* Used to preserve GPIO registers across suspend/resume */ u32 out_reg; u32 io_conf_reg; u32 blink_en_reg; @@ -107,7 +107,8 @@ static inline void __iomem *mvebu_gpiore return mvchip->membase + GPIO_BLINK_EN_OFF; } -static inline void __iomem *mvebu_gpioreg_io_conf(struct mvebu_gpio_chip *mvchip) +static inline void __iomem * +mvebu_gpioreg_io_conf(struct mvebu_gpio_chip *mvchip) { return mvchip->membase + GPIO_IO_CONF_OFF; } @@ -117,12 +118,14 @@ static inline void __iomem *mvebu_gpiore return mvchip->membase + GPIO_IN_POL_OFF; } -static inline void __iomem *mvebu_gpioreg_data_in(struct mvebu_gpio_chip *mvchip) +static inline void __iomem * +mvebu_gpioreg_data_in(struct mvebu_gpio_chip *mvchip) { return mvchip->membase + GPIO_DATA_IN_OFF; } -static inline void __iomem *mvebu_gpioreg_edge_cause(struct mvebu_gpio_chip *mvchip) +static inline void __iomem * +mvebu_gpioreg_edge_cause(struct mvebu_gpio_chip *mvchip) { int cpu; @@ -132,13 +135,15 @@ static inline void __iomem *mvebu_gpiore return mvchip->membase + GPIO_EDGE_CAUSE_OFF; case MVEBU_GPIO_SOC_VARIANT_ARMADAXP: cpu = smp_processor_id(); - return mvchip->percpu_membase + GPIO_EDGE_CAUSE_ARMADAXP_OFF(cpu); + return mvchip->percpu_membase + + GPIO_EDGE_CAUSE_ARMADAXP_OFF(cpu); default: BUG(); } } -static inline void __iomem *mvebu_gpioreg_edge_mask(struct mvebu_gpio_chip *mvchip) +static inline void __iomem * +mvebu_gpioreg_edge_mask(struct mvebu_gpio_chip *mvchip) { int cpu; @@ -150,7 +155,8 @@ static inline void __iomem *mvebu_gpiore return mvchip->membase + GPIO_EDGE_MASK_MV78200_OFF(cpu); case MVEBU_GPIO_SOC_VARIANT_ARMADAXP: cpu = smp_processor_id(); - return mvchip->percpu_membase + GPIO_EDGE_MASK_ARMADAXP_OFF(cpu); + return mvchip->percpu_membase + + GPIO_EDGE_MASK_ARMADAXP_OFF(cpu); default: BUG(); } @@ -168,7 +174,8 @@ static void __iomem *mvebu_gpioreg_level return mvchip->membase + GPIO_LEVEL_MASK_MV78200_OFF(cpu); case MVEBU_GPIO_SOC_VARIANT_ARMADAXP: cpu = smp_processor_id(); - return mvchip->percpu_membase + GPIO_LEVEL_MASK_ARMADAXP_OFF(cpu); + return mvchip->percpu_membase + + GPIO_LEVEL_MASK_ARMADAXP_OFF(cpu); default: BUG(); } @@ -372,22 +379,22 @@ static void mvebu_gpio_level_irq_unmask( * value of the line or the opposite value. * * Level IRQ handlers: DATA_IN is used directly as cause register. - * Interrupt are masked by LEVEL_MASK registers. + * Interrupt are masked by LEVEL_MASK registers. * Edge IRQ handlers: Change in DATA_IN are latched in EDGE_CAUSE. - * Interrupt are masked by EDGE_MASK registers. + * Interrupt are masked by EDGE_MASK registers. * Both-edge handlers: Similar to regular Edge handlers, but also swaps - * the polarity to catch the next line transaction. - * This is a race condition that might not perfectly - * work on some use cases. + * the polarity to catch the next line transaction. + * This is a race condition that might not perfectly + * work on some use cases. * * Every eight GPIO lines are grouped (OR'ed) before going up to main * cause register. * - * EDGE cause mask - * data-in /--------| |-----| |----\ - * -----| |----- ---- to main cause reg - * X \----------------| |----/ - * polarity LEVEL mask + * EDGE cause mask + * data-in /--------| |-----| |----\ + * -----| |----- ---- to main cause reg + * X \----------------| |----/ + * polarity LEVEL mask * ****************************************************************************/ @@ -402,9 +409,8 @@ static int mvebu_gpio_irq_set_type(struc pin = d->hwirq; u = readl_relaxed(mvebu_gpioreg_io_conf(mvchip)) & (1 << pin); - if (!u) { + if (!u) return -EINVAL; - } type &= IRQ_TYPE_SENSE_MASK; if (type == IRQ_TYPE_NONE) @@ -537,13 +543,13 @@ static void mvebu_gpio_dbg_show(struct s (data_in ^ in_pol) & msk ? "hi" : "lo", in_pol & msk ? "lo" : "hi"); if (!((edg_msk | lvl_msk) & msk)) { - seq_printf(s, " disabled\n"); + seq_puts(s, " disabled\n"); continue; } if (edg_msk & msk) - seq_printf(s, " edge "); + seq_puts(s, " edge "); if (lvl_msk & msk) - seq_printf(s, " level"); + seq_puts(s, " level"); seq_printf(s, " (%s)\n", cause & msk ? "pending" : "clear "); } } @@ -554,15 +560,15 @@ static void mvebu_gpio_dbg_show(struct s static const struct of_device_id mvebu_gpio_of_match[] = { { .compatible = "marvell,orion-gpio", - .data = (void *) MVEBU_GPIO_SOC_VARIANT_ORION, + .data = (void *) MVEBU_GPIO_SOC_VARIANT_ORION, }, { .compatible = "marvell,mv78200-gpio", - .data = (void *) MVEBU_GPIO_SOC_VARIANT_MV78200, + .data = (void *) MVEBU_GPIO_SOC_VARIANT_MV78200, }, { .compatible = "marvell,armadaxp-gpio", - .data = (void *) MVEBU_GPIO_SOC_VARIANT_ARMADAXP, + .data = (void *) MVEBU_GPIO_SOC_VARIANT_ARMADAXP, }, { /* sentinel */ @@ -676,7 +682,8 @@ static int mvebu_gpio_probe(struct platf else soc_variant = MVEBU_GPIO_SOC_VARIANT_ORION; - mvchip = devm_kzalloc(&pdev->dev, sizeof(struct mvebu_gpio_chip), GFP_KERNEL); + mvchip = devm_kzalloc(&pdev->dev, sizeof(struct mvebu_gpio_chip), + GFP_KERNEL); if (!mvchip) return -ENOMEM; @@ -775,8 +782,8 @@ static int mvebu_gpio_probe(struct platf * interrupt handlers, with each handler dealing with 8 GPIO * pins. */ for (i = 0; i < 4; i++) { - int irq; - irq = platform_get_irq(pdev, i); + int irq = platform_get_irq(pdev, i); + if (irq < 0) continue; irq_set_handler_data(irq, mvchip); @@ -835,7 +842,7 @@ static int mvebu_gpio_probe(struct platf static struct platform_driver mvebu_gpio_driver = { .driver = { - .name = "mvebu-gpio", + .name = "mvebu-gpio", .of_match_table = mvebu_gpio_of_match, }, .probe = mvebu_gpio_probe,