From e58926e781d81bb4efc90fada08183c3f04478de Mon Sep 17 00:00:00 2001 From: Andy Shevchenko Date: Mon, 1 Apr 2019 15:06:44 +0300 Subject: [PATCH 1/3] pinctrl: intel: Use GENMASK() consistently Use GENMASK() macro for all definitions. No functional change intended. Signed-off-by: Andy Shevchenko --- drivers/pinctrl/intel/pinctrl-intel.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/pinctrl/intel/pinctrl-intel.c b/drivers/pinctrl/intel/pinctrl-intel.c index d7acbb79cdf7..68950508bfd2 100644 --- a/drivers/pinctrl/intel/pinctrl-intel.c +++ b/drivers/pinctrl/intel/pinctrl-intel.c @@ -33,13 +33,13 @@ #define PADOWN_BITS 4 #define PADOWN_SHIFT(p) ((p) % 8 * PADOWN_BITS) -#define PADOWN_MASK(p) (0xf << PADOWN_SHIFT(p)) +#define PADOWN_MASK(p) (GENMASK(3, 0) << PADOWN_SHIFT(p)) #define PADOWN_GPP(p) ((p) / 8) /* Offset from pad_regs */ #define PADCFG0 0x000 #define PADCFG0_RXEVCFG_SHIFT 25 -#define PADCFG0_RXEVCFG_MASK (3 << PADCFG0_RXEVCFG_SHIFT) +#define PADCFG0_RXEVCFG_MASK GENMASK(26, 25) #define PADCFG0_RXEVCFG_LEVEL 0 #define PADCFG0_RXEVCFG_EDGE 1 #define PADCFG0_RXEVCFG_DISABLED 2 @@ -51,7 +51,7 @@ #define PADCFG0_GPIROUTSMI BIT(18) #define PADCFG0_GPIROUTNMI BIT(17) #define PADCFG0_PMODE_SHIFT 10 -#define PADCFG0_PMODE_MASK (0xf << PADCFG0_PMODE_SHIFT) +#define PADCFG0_PMODE_MASK GENMASK(13, 10) #define PADCFG0_GPIORXDIS BIT(9) #define PADCFG0_GPIOTXDIS BIT(8) #define PADCFG0_GPIORXSTATE BIT(1) @@ -60,7 +60,7 @@ #define PADCFG1 0x004 #define PADCFG1_TERM_UP BIT(13) #define PADCFG1_TERM_SHIFT 10 -#define PADCFG1_TERM_MASK (7 << PADCFG1_TERM_SHIFT) +#define PADCFG1_TERM_MASK GENMASK(12, 10) #define PADCFG1_TERM_20K 4 #define PADCFG1_TERM_2K 3 #define PADCFG1_TERM_5K 2 From 670784fb4ebe54434e263837390e358405031d9e Mon Sep 17 00:00:00 2001 From: Kai-Heng Feng Date: Tue, 30 Apr 2019 16:37:53 +0800 Subject: [PATCH 2/3] pinctrl: intel: Clear interrupt status in mask/unmask callback Commit a939bb57cd47 ("pinctrl: intel: implement gpio_irq_enable") was added because clearing interrupt status bit is required to avoid unexpected behavior. Turns out the unmask callback also needs the fix, which can solve weird IRQ triggering issues on I2C touchpad ELAN1200. Signed-off-by: Kai-Heng Feng Signed-off-by: Andy Shevchenko --- drivers/pinctrl/intel/pinctrl-intel.c | 37 +++++---------------------- 1 file changed, 6 insertions(+), 31 deletions(-) diff --git a/drivers/pinctrl/intel/pinctrl-intel.c b/drivers/pinctrl/intel/pinctrl-intel.c index 68950508bfd2..a18d6eefe672 100644 --- a/drivers/pinctrl/intel/pinctrl-intel.c +++ b/drivers/pinctrl/intel/pinctrl-intel.c @@ -914,35 +914,6 @@ static void intel_gpio_irq_ack(struct irq_data *d) } } -static void intel_gpio_irq_enable(struct irq_data *d) -{ - struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct intel_pinctrl *pctrl = gpiochip_get_data(gc); - const struct intel_community *community; - const struct intel_padgroup *padgrp; - int pin; - - pin = intel_gpio_to_pin(pctrl, irqd_to_hwirq(d), &community, &padgrp); - if (pin >= 0) { - unsigned int gpp, gpp_offset, is_offset; - unsigned long flags; - u32 value; - - gpp = padgrp->reg_num; - gpp_offset = padgroup_offset(padgrp, pin); - is_offset = community->is_offset + gpp * 4; - - raw_spin_lock_irqsave(&pctrl->lock, flags); - /* Clear interrupt status first to avoid unexpected interrupt */ - writel(BIT(gpp_offset), community->regs + is_offset); - - value = readl(community->regs + community->ie_offset + gpp * 4); - value |= BIT(gpp_offset); - writel(value, community->regs + community->ie_offset + gpp * 4); - raw_spin_unlock_irqrestore(&pctrl->lock, flags); - } -} - static void intel_gpio_irq_mask_unmask(struct irq_data *d, bool mask) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); @@ -955,15 +926,20 @@ static void intel_gpio_irq_mask_unmask(struct irq_data *d, bool mask) if (pin >= 0) { unsigned int gpp, gpp_offset; unsigned long flags; - void __iomem *reg; + void __iomem *reg, *is; u32 value; gpp = padgrp->reg_num; gpp_offset = padgroup_offset(padgrp, pin); reg = community->regs + community->ie_offset + gpp * 4; + is = community->regs + community->is_offset + gpp * 4; raw_spin_lock_irqsave(&pctrl->lock, flags); + + /* Clear interrupt status first to avoid unexpected interrupt */ + writel(BIT(gpp_offset), is); + value = readl(reg); if (mask) value &= ~BIT(gpp_offset); @@ -1107,7 +1083,6 @@ static irqreturn_t intel_gpio_irq(int irq, void *data) static struct irq_chip intel_gpio_irqchip = { .name = "intel-gpio", - .irq_enable = intel_gpio_irq_enable, .irq_ack = intel_gpio_irq_ack, .irq_mask = intel_gpio_irq_mask, .irq_unmask = intel_gpio_irq_unmask, From ec2e0f4f00c0b9260533555c69363454dfd3bd73 Mon Sep 17 00:00:00 2001 From: Amelie Delaunay Date: Fri, 24 May 2019 09:32:05 +0200 Subject: [PATCH 3/3] pinctrl: stmfx: Fix compile issue when CONFIG_OF_GPIO is not defined When CONFIG_GPIO_OF is not defined, struct gpio_chip 'of_node' member does not exist: drivers/pinctrl/pinctrl-stmfx.c: In function 'stmfx_pinctrl_probe': drivers/pinctrl/pinctrl-stmfx.c:652:17: error: 'struct gpio_chip' has no member named 'of_node' pctl->gpio_chip.of_node = np; Fixes: 1490d9f841b1 ("pinctrl: Add STMFX GPIO expander Pinctrl/GPIO driver") Reported-by: kbuild test robot Signed-off-by: Amelie Delaunay Signed-off-by: Linus Walleij --- drivers/pinctrl/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/pinctrl/Kconfig b/drivers/pinctrl/Kconfig index ea798548b012..1a7974dba372 100644 --- a/drivers/pinctrl/Kconfig +++ b/drivers/pinctrl/Kconfig @@ -276,7 +276,7 @@ config PINCTRL_ST config PINCTRL_STMFX tristate "STMicroelectronics STMFX GPIO expander pinctrl driver" depends on I2C - depends on OF || COMPILE_TEST + depends on OF_GPIO select GENERIC_PINCONF select GPIOLIB_IRQCHIP select MFD_STMFX