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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-06-27 13:13:43 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-06-27 13:13:43 +0300
commit53c2f13c1ee59c8889bf23ef58653677e3ec1644 (patch)
tree8a34720bf4bc2329d2ff328318cb78ea474f0d41 /drivers/gpio
parent3394ade23d7e3934a166e973e664046ea6f559d4 (diff)
parente60eb441596d1c70e4a264d2bac726c6cd2da067 (diff)
downloadlinux-rolling-stable.tar.xz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpio')
-rw-r--r--drivers/gpio/gpio-loongson-64bit.c2
-rw-r--r--drivers/gpio/gpio-mlxbf3.c54
-rw-r--r--drivers/gpio/gpio-pca953x.c2
-rw-r--r--drivers/gpio/gpiolib-of.c9
4 files changed, 46 insertions, 21 deletions
diff --git a/drivers/gpio/gpio-loongson-64bit.c b/drivers/gpio/gpio-loongson-64bit.c
index a9a93036f08f..286a3876ed0c 100644
--- a/drivers/gpio/gpio-loongson-64bit.c
+++ b/drivers/gpio/gpio-loongson-64bit.c
@@ -266,7 +266,7 @@ static const struct loongson_gpio_chip_data loongson_gpio_ls7a2000_data0 = {
/* LS7A2000 ACPI GPIO */
static const struct loongson_gpio_chip_data loongson_gpio_ls7a2000_data1 = {
.label = "ls7a2000_gpio",
- .mode = BYTE_CTRL_MODE,
+ .mode = BIT_CTRL_MODE,
.conf_offset = 0x4,
.in_offset = 0x8,
.out_offset = 0x0,
diff --git a/drivers/gpio/gpio-mlxbf3.c b/drivers/gpio/gpio-mlxbf3.c
index 10ea71273c89..9875e34bde72 100644
--- a/drivers/gpio/gpio-mlxbf3.c
+++ b/drivers/gpio/gpio-mlxbf3.c
@@ -190,7 +190,9 @@ static int mlxbf3_gpio_probe(struct platform_device *pdev)
struct mlxbf3_gpio_context *gs;
struct gpio_irq_chip *girq;
struct gpio_chip *gc;
+ char *colon_ptr;
int ret, irq;
+ long num;
gs = devm_kzalloc(dev, sizeof(*gs), GFP_KERNEL);
if (!gs)
@@ -227,25 +229,39 @@ static int mlxbf3_gpio_probe(struct platform_device *pdev)
gc->owner = THIS_MODULE;
gc->add_pin_ranges = mlxbf3_gpio_add_pin_ranges;
- irq = platform_get_irq(pdev, 0);
- if (irq >= 0) {
- girq = &gs->gc.irq;
- gpio_irq_chip_set_chip(girq, &gpio_mlxbf3_irqchip);
- girq->default_type = IRQ_TYPE_NONE;
- /* This will let us handle the parent IRQ in the driver */
- girq->num_parents = 0;
- girq->parents = NULL;
- girq->parent_handler = NULL;
- girq->handler = handle_bad_irq;
-
- /*
- * Directly request the irq here instead of passing
- * a flow-handler because the irq is shared.
- */
- ret = devm_request_irq(dev, irq, mlxbf3_gpio_irq_handler,
- IRQF_SHARED, dev_name(dev), gs);
- if (ret)
- return dev_err_probe(dev, ret, "failed to request IRQ");
+ colon_ptr = strchr(dev_name(dev), ':');
+ if (!colon_ptr) {
+ dev_err(dev, "invalid device name format\n");
+ return -EINVAL;
+ }
+
+ ret = kstrtol(++colon_ptr, 16, &num);
+ if (ret) {
+ dev_err(dev, "invalid device instance\n");
+ return ret;
+ }
+
+ if (!num) {
+ irq = platform_get_irq(pdev, 0);
+ if (irq >= 0) {
+ girq = &gs->gc.irq;
+ gpio_irq_chip_set_chip(girq, &gpio_mlxbf3_irqchip);
+ girq->default_type = IRQ_TYPE_NONE;
+ /* This will let us handle the parent IRQ in the driver */
+ girq->num_parents = 0;
+ girq->parents = NULL;
+ girq->parent_handler = NULL;
+ girq->handler = handle_bad_irq;
+
+ /*
+ * Directly request the irq here instead of passing
+ * a flow-handler because the irq is shared.
+ */
+ ret = devm_request_irq(dev, irq, mlxbf3_gpio_irq_handler,
+ IRQF_SHARED, dev_name(dev), gs);
+ if (ret)
+ return dev_err_probe(dev, ret, "failed to request IRQ");
+ }
}
platform_set_drvdata(pdev, gs);
diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c
index 13cc120cf11f..02da81ff1c0f 100644
--- a/drivers/gpio/gpio-pca953x.c
+++ b/drivers/gpio/gpio-pca953x.c
@@ -952,7 +952,7 @@ static int pca953x_irq_setup(struct pca953x_chip *chip, int irq_base)
IRQF_ONESHOT | IRQF_SHARED, dev_name(dev),
chip);
if (ret)
- return dev_err_probe(dev, client->irq, "failed to request irq\n");
+ return dev_err_probe(dev, ret, "failed to request irq\n");
return 0;
}
diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c
index 65f6a7177b78..17802d97492f 100644
--- a/drivers/gpio/gpiolib-of.c
+++ b/drivers/gpio/gpiolib-of.c
@@ -224,6 +224,15 @@ static void of_gpio_try_fixup_polarity(const struct device_node *np,
*/
{ "lantiq,pci-xway", "gpio-reset", false },
#endif
+#if IS_ENABLED(CONFIG_REGULATOR_S5M8767)
+ /*
+ * According to S5M8767, the DVS and DS pin are
+ * active-high signals. However, exynos5250-spring.dts use
+ * active-low setting.
+ */
+ { "samsung,s5m8767-pmic", "s5m8767,pmic-buck-dvs-gpios", true },
+ { "samsung,s5m8767-pmic", "s5m8767,pmic-buck-ds-gpios", true },
+#endif
#if IS_ENABLED(CONFIG_TOUCHSCREEN_TSC2005)
/*
* DTS for Nokia N900 incorrectly specified "active high"