diff options
Diffstat (limited to 'drivers/pinctrl')
30 files changed, 51 insertions, 9 deletions
diff --git a/drivers/pinctrl/Kconfig b/drivers/pinctrl/Kconfig index 1778cf4f81c7..82cd8b08d71f 100644 --- a/drivers/pinctrl/Kconfig +++ b/drivers/pinctrl/Kconfig @@ -100,6 +100,7 @@ config PINCTRL_AMD tristate "AMD GPIO pin control" depends on GPIOLIB select GPIOLIB_IRQCHIP + select PINMUX select PINCONF select GENERIC_PINCONF help diff --git a/drivers/pinctrl/Makefile b/drivers/pinctrl/Makefile index c16e27900dbb..d0d4844f8022 100644 --- a/drivers/pinctrl/Makefile +++ b/drivers/pinctrl/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # generic pinmux support subdir-ccflags-$(CONFIG_DEBUG_PINCTRL) += -DDEBUG diff --git a/drivers/pinctrl/bcm/Makefile b/drivers/pinctrl/bcm/Makefile index 2a65111f3c70..80ceb9dae944 100644 --- a/drivers/pinctrl/bcm/Makefile +++ b/drivers/pinctrl/bcm/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # Broadcom pinctrl support obj-$(CONFIG_PINCTRL_BCM281XX) += pinctrl-bcm281xx.o diff --git a/drivers/pinctrl/bcm/pinctrl-bcm2835.c b/drivers/pinctrl/bcm/pinctrl-bcm2835.c index 0944310225db..ff782445dfb7 100644 --- a/drivers/pinctrl/bcm/pinctrl-bcm2835.c +++ b/drivers/pinctrl/bcm/pinctrl-bcm2835.c @@ -373,16 +373,12 @@ static void bcm2835_gpio_irq_handle_bank(struct bcm2835_pinctrl *pc, unsigned long events; unsigned offset; unsigned gpio; - unsigned int type; events = bcm2835_gpio_rd(pc, GPEDS0 + bank * 4); events &= mask; events &= pc->enabled_irq_map[bank]; for_each_set_bit(offset, &events, 32) { gpio = (32 * bank) + offset; - /* FIXME: no clue why the code looks up the type here */ - type = pc->irq_type[gpio]; - generic_handle_irq(irq_linear_revmap(pc->gpio_chip.irqdomain, gpio)); } diff --git a/drivers/pinctrl/freescale/Makefile b/drivers/pinctrl/freescale/Makefile index 525a5ff5dcb4..19bb9a55a567 100644 --- a/drivers/pinctrl/freescale/Makefile +++ b/drivers/pinctrl/freescale/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # Freescale pin control drivers obj-$(CONFIG_PINCTRL_IMX) += pinctrl-imx.o obj-$(CONFIG_PINCTRL_IMX1_CORE) += pinctrl-imx1-core.o diff --git a/drivers/pinctrl/intel/Makefile b/drivers/pinctrl/intel/Makefile index c12874da5992..624d367caa09 100644 --- a/drivers/pinctrl/intel/Makefile +++ b/drivers/pinctrl/intel/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # Intel pin control drivers obj-$(CONFIG_PINCTRL_BAYTRAIL) += pinctrl-baytrail.o diff --git a/drivers/pinctrl/intel/pinctrl-cherryview.c b/drivers/pinctrl/intel/pinctrl-cherryview.c index 04e929fd0ffe..fadbca907c7c 100644 --- a/drivers/pinctrl/intel/pinctrl-cherryview.c +++ b/drivers/pinctrl/intel/pinctrl-cherryview.c @@ -1577,6 +1577,7 @@ static int chv_gpio_probe(struct chv_pinctrl *pctrl, int irq) struct gpio_chip *chip = &pctrl->chip; bool need_valid_mask = !dmi_check_system(chv_no_valid_mask); int ret, i, offset; + int irq_base; *chip = chv_gpio_chip; @@ -1622,7 +1623,18 @@ static int chv_gpio_probe(struct chv_pinctrl *pctrl, int irq) /* Clear all interrupts */ chv_writel(0xffff, pctrl->regs + CHV_INTSTAT); - ret = gpiochip_irqchip_add(chip, &chv_gpio_irqchip, 0, + if (!need_valid_mask) { + irq_base = devm_irq_alloc_descs(pctrl->dev, -1, 0, + chip->ngpio, NUMA_NO_NODE); + if (irq_base < 0) { + dev_err(pctrl->dev, "Failed to allocate IRQ numbers\n"); + return irq_base; + } + } else { + irq_base = 0; + } + + ret = gpiochip_irqchip_add(chip, &chv_gpio_irqchip, irq_base, handle_bad_irq, IRQ_TYPE_NONE); if (ret) { dev_err(pctrl->dev, "failed to add IRQ chip\n"); diff --git a/drivers/pinctrl/mediatek/Makefile b/drivers/pinctrl/mediatek/Makefile index e59c613d4ddd..10d90140a38a 100644 --- a/drivers/pinctrl/mediatek/Makefile +++ b/drivers/pinctrl/mediatek/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # Core obj-y += pinctrl-mtk-common.o diff --git a/drivers/pinctrl/mediatek/pinctrl-mtk-mt6397.h b/drivers/pinctrl/mediatek/pinctrl-mtk-mt6397.h index 4eb98ddb40a4..17df4cfbde4e 100644 --- a/drivers/pinctrl/mediatek/pinctrl-mtk-mt6397.h +++ b/drivers/pinctrl/mediatek/pinctrl-mtk-mt6397.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __PINCTRL_MTK_MT6397_H #define __PINCTRL_MTK_MT6397_H diff --git a/drivers/pinctrl/mediatek/pinctrl-mtk-mt8127.h b/drivers/pinctrl/mediatek/pinctrl-mtk-mt8127.h index 212559c147f8..850483d7d9be 100644 --- a/drivers/pinctrl/mediatek/pinctrl-mtk-mt8127.h +++ b/drivers/pinctrl/mediatek/pinctrl-mtk-mt8127.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __PINCTRL_MTK_MT8127_H #define __PINCTRL_MTK_MT8127_H diff --git a/drivers/pinctrl/mvebu/Makefile b/drivers/pinctrl/mvebu/Makefile index 5b03fd55e28d..cd082dca4482 100644 --- a/drivers/pinctrl/mvebu/Makefile +++ b/drivers/pinctrl/mvebu/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_PINCTRL_MVEBU) += pinctrl-mvebu.o obj-$(CONFIG_PINCTRL_DOVE) += pinctrl-dove.o obj-$(CONFIG_PINCTRL_KIRKWOOD) += pinctrl-kirkwood.o diff --git a/drivers/pinctrl/nomadik/Makefile b/drivers/pinctrl/nomadik/Makefile index 30b27f18cd52..bf8b7517ee4a 100644 --- a/drivers/pinctrl/nomadik/Makefile +++ b/drivers/pinctrl/nomadik/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # Nomadik family pin control drivers obj-$(CONFIG_PINCTRL_ABX500) += pinctrl-abx500.o obj-$(CONFIG_PINCTRL_AB8500) += pinctrl-ab8500.o diff --git a/drivers/pinctrl/nomadik/pinctrl-abx500.h b/drivers/pinctrl/nomadik/pinctrl-abx500.h index 2beef3bfe9ca..43f9b718a8ef 100644 --- a/drivers/pinctrl/nomadik/pinctrl-abx500.h +++ b/drivers/pinctrl/nomadik/pinctrl-abx500.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef PINCTRL_PINCTRL_ABx500_H #define PINCTRL_PINCTRL_ABx500_H diff --git a/drivers/pinctrl/nomadik/pinctrl-nomadik-db8500.c b/drivers/pinctrl/nomadik/pinctrl-nomadik-db8500.c index af4814479eb0..726c0b5501fa 100644 --- a/drivers/pinctrl/nomadik/pinctrl-nomadik-db8500.c +++ b/drivers/pinctrl/nomadik/pinctrl-nomadik-db8500.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/kernel.h> #include <linux/pinctrl/pinctrl.h> #include "pinctrl-nomadik.h" diff --git a/drivers/pinctrl/nomadik/pinctrl-nomadik-db8540.c b/drivers/pinctrl/nomadik/pinctrl-nomadik-db8540.c index 2860eafd1b42..ae3ac7b799a6 100644 --- a/drivers/pinctrl/nomadik/pinctrl-nomadik-db8540.c +++ b/drivers/pinctrl/nomadik/pinctrl-nomadik-db8540.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/kernel.h> #include <linux/pinctrl/pinctrl.h> #include "pinctrl-nomadik.h" diff --git a/drivers/pinctrl/nomadik/pinctrl-nomadik-stn8815.c b/drivers/pinctrl/nomadik/pinctrl-nomadik-stn8815.c index e852048c4c04..7e814764da7d 100644 --- a/drivers/pinctrl/nomadik/pinctrl-nomadik-stn8815.c +++ b/drivers/pinctrl/nomadik/pinctrl-nomadik-stn8815.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/kernel.h> #include <linux/pinctrl/pinctrl.h> #include "pinctrl-nomadik.h" diff --git a/drivers/pinctrl/nomadik/pinctrl-nomadik.h b/drivers/pinctrl/nomadik/pinctrl-nomadik.h index 30bba2a75a58..ae0bac06639f 100644 --- a/drivers/pinctrl/nomadik/pinctrl-nomadik.h +++ b/drivers/pinctrl/nomadik/pinctrl-nomadik.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef PINCTRL_PINCTRL_NOMADIK_H #define PINCTRL_PINCTRL_NOMADIK_H diff --git a/drivers/pinctrl/pinctrl-amd.c b/drivers/pinctrl/pinctrl-amd.c index 3f6b34febbf1..433af328d981 100644 --- a/drivers/pinctrl/pinctrl-amd.c +++ b/drivers/pinctrl/pinctrl-amd.c @@ -534,8 +534,16 @@ static irqreturn_t amd_gpio_irq_handler(int irq, void *dev_id) continue; irq = irq_find_mapping(gc->irqdomain, irqnr + i); generic_handle_irq(irq); - /* Clear interrupt */ + + /* Clear interrupt. + * We must read the pin register again, in case the + * value was changed while executing + * generic_handle_irq() above. + */ + raw_spin_lock_irqsave(&gpio_dev->lock, flags); + regval = readl(regs + i); writel(regval, regs + i); + raw_spin_unlock_irqrestore(&gpio_dev->lock, flags); ret = IRQ_HANDLED; } } diff --git a/drivers/pinctrl/pinctrl-coh901.h b/drivers/pinctrl/pinctrl-coh901.h index 87294222583e..ba2678665168 100644 --- a/drivers/pinctrl/pinctrl-coh901.h +++ b/drivers/pinctrl/pinctrl-coh901.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ int u300_gpio_config_get(struct gpio_chip *chip, unsigned offset, unsigned long *config); diff --git a/drivers/pinctrl/pinctrl-mcp23s08.c b/drivers/pinctrl/pinctrl-mcp23s08.c index 3e40d4245512..9c950bbf07ba 100644 --- a/drivers/pinctrl/pinctrl-mcp23s08.c +++ b/drivers/pinctrl/pinctrl-mcp23s08.c @@ -407,10 +407,10 @@ static int mcp23s08_get(struct gpio_chip *chip, unsigned offset) ret = mcp_read(mcp, MCP_GPIO, &status); if (ret < 0) status = 0; - else + else { + mcp->cached_gpio = status; status = !!(status & (1 << offset)); - - mcp->cached_gpio = status; + } mutex_unlock(&mcp->lock); return status; diff --git a/drivers/pinctrl/qcom/Makefile b/drivers/pinctrl/qcom/Makefile index 06c8b2ace05f..a1db345ded1c 100644 --- a/drivers/pinctrl/qcom/Makefile +++ b/drivers/pinctrl/qcom/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # Qualcomm pin control drivers obj-$(CONFIG_PINCTRL_MSM) += pinctrl-msm.o obj-$(CONFIG_PINCTRL_APQ8064) += pinctrl-apq8064.o diff --git a/drivers/pinctrl/samsung/Makefile b/drivers/pinctrl/samsung/Makefile index 595995851ea5..df426561d067 100644 --- a/drivers/pinctrl/samsung/Makefile +++ b/drivers/pinctrl/samsung/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # Samsung pin control drivers obj-$(CONFIG_PINCTRL_SAMSUNG) += pinctrl-samsung.o diff --git a/drivers/pinctrl/sh-pfc/Makefile b/drivers/pinctrl/sh-pfc/Makefile index 1d4f05a96bd4..a7903904b64e 100644 --- a/drivers/pinctrl/sh-pfc/Makefile +++ b/drivers/pinctrl/sh-pfc/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_PINCTRL_SH_PFC) += core.o pinctrl.o obj-$(CONFIG_PINCTRL_SH_PFC_GPIO) += gpio.o obj-$(CONFIG_PINCTRL_PFC_EMEV2) += pfc-emev2.o diff --git a/drivers/pinctrl/sh-pfc/pfc-sh7722.c b/drivers/pinctrl/sh-pfc/pfc-sh7722.c index 29c69133b0ef..0e733bffdb38 100644 --- a/drivers/pinctrl/sh-pfc/pfc-sh7722.c +++ b/drivers/pinctrl/sh-pfc/pfc-sh7722.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/init.h> #include <linux/kernel.h> #include <linux/gpio.h> diff --git a/drivers/pinctrl/spear/Makefile b/drivers/pinctrl/spear/Makefile index 37b8412ac8a3..da52d17550a3 100644 --- a/drivers/pinctrl/spear/Makefile +++ b/drivers/pinctrl/spear/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # SPEAr pinmux support obj-$(CONFIG_PINCTRL_SPEAR_PLGPIO) += pinctrl-plgpio.o diff --git a/drivers/pinctrl/stm32/Makefile b/drivers/pinctrl/stm32/Makefile index 5f379f5153f1..d13ca3573486 100644 --- a/drivers/pinctrl/stm32/Makefile +++ b/drivers/pinctrl/stm32/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # Core obj-$(CONFIG_PINCTRL_STM32) += pinctrl-stm32.o diff --git a/drivers/pinctrl/sunxi/Makefile b/drivers/pinctrl/sunxi/Makefile index dc6c9619e41c..12a752e836ef 100644 --- a/drivers/pinctrl/sunxi/Makefile +++ b/drivers/pinctrl/sunxi/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # Core obj-y += pinctrl-sunxi.o diff --git a/drivers/pinctrl/tegra/Makefile b/drivers/pinctrl/tegra/Makefile index d9ea2be69cc4..bbcb043c34a2 100644 --- a/drivers/pinctrl/tegra/Makefile +++ b/drivers/pinctrl/tegra/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_PINCTRL_TEGRA) += pinctrl-tegra.o obj-$(CONFIG_PINCTRL_TEGRA20) += pinctrl-tegra20.o obj-$(CONFIG_PINCTRL_TEGRA30) += pinctrl-tegra30.o diff --git a/drivers/pinctrl/uniphier/Makefile b/drivers/pinctrl/uniphier/Makefile index d592ff77d60f..ec66c86e276e 100644 --- a/drivers/pinctrl/uniphier/Makefile +++ b/drivers/pinctrl/uniphier/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-y += pinctrl-uniphier-core.o obj-$(CONFIG_PINCTRL_UNIPHIER_LD4) += pinctrl-uniphier-ld4.o diff --git a/drivers/pinctrl/vt8500/Makefile b/drivers/pinctrl/vt8500/Makefile index 24ec45dd0d80..c6a5c3b14e9e 100644 --- a/drivers/pinctrl/vt8500/Makefile +++ b/drivers/pinctrl/vt8500/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # VIA/Wondermedia pinctrl support obj-$(CONFIG_PINCTRL_WMT) += pinctrl-wmt.o |