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-rw-r--r--drivers/gpio/devres.c18
-rw-r--r--drivers/gpio/gpiolib.c16
-rw-r--r--drivers/gpu/drm/msm/edp/edp_ctrl.c17
-rw-r--r--drivers/gpu/drm/tilcdc/tilcdc_panel.c22
-rw-r--r--drivers/iio/light/stk3310.c6
-rw-r--r--drivers/iio/magnetometer/bmc150_magn.c6
-rw-r--r--drivers/media/i2c/adp1653.c2
-rw-r--r--drivers/nfc/nxp-nci/i2c.c10
-rw-r--r--drivers/phy/phy-tusb1210.c30
-rw-r--r--drivers/usb/dwc3/dwc3-pci.c26
-rw-r--r--drivers/usb/gadget/udc/pxa27x_udc.c2
-rw-r--r--drivers/usb/phy/phy-generic.c6
12 files changed, 65 insertions, 96 deletions
diff --git a/drivers/gpio/devres.c b/drivers/gpio/devres.c
index 07ba82317ece..903fcf4d04a0 100644
--- a/drivers/gpio/devres.c
+++ b/drivers/gpio/devres.c
@@ -59,13 +59,13 @@ static int devm_gpiod_match_array(struct device *dev, void *res, void *data)
* automatically disposed on driver detach. See gpiod_get() for detailed
* information about behavior and return values.
*/
-struct gpio_desc *__must_check __devm_gpiod_get(struct device *dev,
+struct gpio_desc *__must_check devm_gpiod_get(struct device *dev,
const char *con_id,
enum gpiod_flags flags)
{
return devm_gpiod_get_index(dev, con_id, 0, flags);
}
-EXPORT_SYMBOL(__devm_gpiod_get);
+EXPORT_SYMBOL(devm_gpiod_get);
/**
* devm_gpiod_get_optional - Resource-managed gpiod_get_optional()
@@ -77,13 +77,13 @@ EXPORT_SYMBOL(__devm_gpiod_get);
* are automatically disposed on driver detach. See gpiod_get_optional() for
* detailed information about behavior and return values.
*/
-struct gpio_desc *__must_check __devm_gpiod_get_optional(struct device *dev,
+struct gpio_desc *__must_check devm_gpiod_get_optional(struct device *dev,
const char *con_id,
enum gpiod_flags flags)
{
return devm_gpiod_get_index_optional(dev, con_id, 0, flags);
}
-EXPORT_SYMBOL(__devm_gpiod_get_optional);
+EXPORT_SYMBOL(devm_gpiod_get_optional);
/**
* devm_gpiod_get_index - Resource-managed gpiod_get_index()
@@ -96,7 +96,7 @@ EXPORT_SYMBOL(__devm_gpiod_get_optional);
* automatically disposed on driver detach. See gpiod_get_index() for detailed
* information about behavior and return values.
*/
-struct gpio_desc *__must_check __devm_gpiod_get_index(struct device *dev,
+struct gpio_desc *__must_check devm_gpiod_get_index(struct device *dev,
const char *con_id,
unsigned int idx,
enum gpiod_flags flags)
@@ -120,7 +120,7 @@ struct gpio_desc *__must_check __devm_gpiod_get_index(struct device *dev,
return desc;
}
-EXPORT_SYMBOL(__devm_gpiod_get_index);
+EXPORT_SYMBOL(devm_gpiod_get_index);
/**
* devm_get_gpiod_from_child - get a GPIO descriptor from a device's child node
@@ -182,10 +182,10 @@ EXPORT_SYMBOL(devm_get_gpiod_from_child);
* gpiod_get_index_optional() for detailed information about behavior and
* return values.
*/
-struct gpio_desc *__must_check __devm_gpiod_get_index_optional(struct device *dev,
+struct gpio_desc *__must_check devm_gpiod_get_index_optional(struct device *dev,
const char *con_id,
unsigned int index,
- enum gpiod_flags flags)
+ enum gpiod_flags flags)
{
struct gpio_desc *desc;
@@ -197,7 +197,7 @@ struct gpio_desc *__must_check __devm_gpiod_get_index_optional(struct device *de
return desc;
}
-EXPORT_SYMBOL(__devm_gpiod_get_index_optional);
+EXPORT_SYMBOL(devm_gpiod_get_index_optional);
/**
* devm_gpiod_get_array - Resource-managed gpiod_get_array()
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index d11f325eeea3..174447fc7457 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -1902,12 +1902,12 @@ EXPORT_SYMBOL_GPL(gpiod_count);
* dev, -ENOENT if no GPIO has been assigned to the requested function, or
* another IS_ERR() code if an error occurred while trying to acquire the GPIO.
*/
-struct gpio_desc *__must_check __gpiod_get(struct device *dev, const char *con_id,
+struct gpio_desc *__must_check gpiod_get(struct device *dev, const char *con_id,
enum gpiod_flags flags)
{
return gpiod_get_index(dev, con_id, 0, flags);
}
-EXPORT_SYMBOL_GPL(__gpiod_get);
+EXPORT_SYMBOL_GPL(gpiod_get);
/**
* gpiod_get_optional - obtain an optional GPIO for a given GPIO function
@@ -1919,13 +1919,13 @@ EXPORT_SYMBOL_GPL(__gpiod_get);
* the requested function it will return NULL. This is convenient for drivers
* that need to handle optional GPIOs.
*/
-struct gpio_desc *__must_check __gpiod_get_optional(struct device *dev,
+struct gpio_desc *__must_check gpiod_get_optional(struct device *dev,
const char *con_id,
enum gpiod_flags flags)
{
return gpiod_get_index_optional(dev, con_id, 0, flags);
}
-EXPORT_SYMBOL_GPL(__gpiod_get_optional);
+EXPORT_SYMBOL_GPL(gpiod_get_optional);
/**
@@ -1982,7 +1982,7 @@ static int gpiod_configure_flags(struct gpio_desc *desc, const char *con_id,
* requested function and/or index, or another IS_ERR() code if an error
* occurred while trying to acquire the GPIO.
*/
-struct gpio_desc *__must_check __gpiod_get_index(struct device *dev,
+struct gpio_desc *__must_check gpiod_get_index(struct device *dev,
const char *con_id,
unsigned int idx,
enum gpiod_flags flags)
@@ -2031,7 +2031,7 @@ struct gpio_desc *__must_check __gpiod_get_index(struct device *dev,
return desc;
}
-EXPORT_SYMBOL_GPL(__gpiod_get_index);
+EXPORT_SYMBOL_GPL(gpiod_get_index);
/**
* fwnode_get_named_gpiod - obtain a GPIO from firmware node
@@ -2100,7 +2100,7 @@ EXPORT_SYMBOL_GPL(fwnode_get_named_gpiod);
* specified index was assigned to the requested function it will return NULL.
* This is convenient for drivers that need to handle optional GPIOs.
*/
-struct gpio_desc *__must_check __gpiod_get_index_optional(struct device *dev,
+struct gpio_desc *__must_check gpiod_get_index_optional(struct device *dev,
const char *con_id,
unsigned int index,
enum gpiod_flags flags)
@@ -2115,7 +2115,7 @@ struct gpio_desc *__must_check __gpiod_get_index_optional(struct device *dev,
return desc;
}
-EXPORT_SYMBOL_GPL(__gpiod_get_index_optional);
+EXPORT_SYMBOL_GPL(gpiod_get_index_optional);
/**
* gpiod_hog - Hog the specified GPIO desc given the provided flags
diff --git a/drivers/gpu/drm/msm/edp/edp_ctrl.c b/drivers/gpu/drm/msm/edp/edp_ctrl.c
index 7991069dd492..81200e9be382 100644
--- a/drivers/gpu/drm/msm/edp/edp_ctrl.c
+++ b/drivers/gpu/drm/msm/edp/edp_ctrl.c
@@ -373,7 +373,7 @@ static int edp_gpio_config(struct edp_ctrl *ctrl)
struct device *dev = &ctrl->pdev->dev;
int ret;
- ctrl->panel_hpd_gpio = devm_gpiod_get(dev, "panel-hpd");
+ ctrl->panel_hpd_gpio = devm_gpiod_get(dev, "panel-hpd", GPIOD_IN);
if (IS_ERR(ctrl->panel_hpd_gpio)) {
ret = PTR_ERR(ctrl->panel_hpd_gpio);
ctrl->panel_hpd_gpio = NULL;
@@ -381,13 +381,7 @@ static int edp_gpio_config(struct edp_ctrl *ctrl)
return ret;
}
- ret = gpiod_direction_input(ctrl->panel_hpd_gpio);
- if (ret) {
- pr_err("%s: Set direction for hpd failed, %d\n", __func__, ret);
- return ret;
- }
-
- ctrl->panel_en_gpio = devm_gpiod_get(dev, "panel-en");
+ ctrl->panel_en_gpio = devm_gpiod_get(dev, "panel-en", GPIOD_OUT_LOW);
if (IS_ERR(ctrl->panel_en_gpio)) {
ret = PTR_ERR(ctrl->panel_en_gpio);
ctrl->panel_en_gpio = NULL;
@@ -395,13 +389,6 @@ static int edp_gpio_config(struct edp_ctrl *ctrl)
return ret;
}
- ret = gpiod_direction_output(ctrl->panel_en_gpio, 0);
- if (ret) {
- pr_err("%s: Set direction for panel_en failed, %d\n",
- __func__, ret);
- return ret;
- }
-
DBG("gpio on");
return 0;
diff --git a/drivers/gpu/drm/tilcdc/tilcdc_panel.c b/drivers/gpu/drm/tilcdc/tilcdc_panel.c
index 7a0315855e90..0af8bed7ce1e 100644
--- a/drivers/gpu/drm/tilcdc/tilcdc_panel.c
+++ b/drivers/gpu/drm/tilcdc/tilcdc_panel.c
@@ -375,25 +375,17 @@ static int panel_probe(struct platform_device *pdev)
dev_info(&pdev->dev, "found backlight\n");
}
- panel_mod->enable_gpio = devm_gpiod_get(&pdev->dev, "enable");
+ panel_mod->enable_gpio = devm_gpiod_get_optional(&pdev->dev, "enable",
+ GPIOD_OUT_LOW);
if (IS_ERR(panel_mod->enable_gpio)) {
ret = PTR_ERR(panel_mod->enable_gpio);
- if (ret != -ENOENT) {
- dev_err(&pdev->dev, "failed to request enable GPIO\n");
- goto fail_backlight;
- }
-
- /* Optional GPIO is not here, continue silently. */
- panel_mod->enable_gpio = NULL;
- } else {
- ret = gpiod_direction_output(panel_mod->enable_gpio, 0);
- if (ret < 0) {
- dev_err(&pdev->dev, "failed to setup GPIO\n");
- goto fail_backlight;
- }
- dev_info(&pdev->dev, "found enable GPIO\n");
+ dev_err(&pdev->dev, "failed to request enable GPIO\n");
+ goto fail_backlight;
}
+ if (panel_mod->enable_gpio)
+ dev_info(&pdev->dev, "found enable GPIO\n");
+
mod = &panel_mod->base;
pdev->dev.platform_data = mod;
diff --git a/drivers/iio/light/stk3310.c b/drivers/iio/light/stk3310.c
index fee4297d7c8f..84c77d42a2c6 100644
--- a/drivers/iio/light/stk3310.c
+++ b/drivers/iio/light/stk3310.c
@@ -488,16 +488,12 @@ static int stk3310_gpio_probe(struct i2c_client *client)
dev = &client->dev;
/* gpio interrupt pin */
- gpio = devm_gpiod_get_index(dev, STK3310_GPIO, 0);
+ gpio = devm_gpiod_get_index(dev, STK3310_GPIO, 0, GPIOD_IN);
if (IS_ERR(gpio)) {
dev_err(dev, "acpi gpio get index failed\n");
return PTR_ERR(gpio);
}
- ret = gpiod_direction_input(gpio);
- if (ret)
- return ret;
-
ret = gpiod_to_irq(gpio);
dev_dbg(dev, "GPIO resource, no:%d irq:%d\n", desc_to_gpio(gpio), ret);
diff --git a/drivers/iio/magnetometer/bmc150_magn.c b/drivers/iio/magnetometer/bmc150_magn.c
index d4c178869991..187a31fdc35a 100644
--- a/drivers/iio/magnetometer/bmc150_magn.c
+++ b/drivers/iio/magnetometer/bmc150_magn.c
@@ -839,16 +839,12 @@ static int bmc150_magn_gpio_probe(struct i2c_client *client)
dev = &client->dev;
/* data ready GPIO interrupt pin */
- gpio = devm_gpiod_get_index(dev, BMC150_MAGN_GPIO_INT, 0);
+ gpio = devm_gpiod_get_index(dev, BMC150_MAGN_GPIO_INT, 0, GPIOD_IN);
if (IS_ERR(gpio)) {
dev_err(dev, "ACPI GPIO get index failed\n");
return PTR_ERR(gpio);
}
- ret = gpiod_direction_input(gpio);
- if (ret)
- return ret;
-
ret = gpiod_to_irq(gpio);
dev_dbg(dev, "GPIO resource, no:%d irq:%d\n", desc_to_gpio(gpio), ret);
diff --git a/drivers/media/i2c/adp1653.c b/drivers/media/i2c/adp1653.c
index c70ababce954..5dd39775d6ca 100644
--- a/drivers/media/i2c/adp1653.c
+++ b/drivers/media/i2c/adp1653.c
@@ -465,7 +465,7 @@ static int adp1653_of_init(struct i2c_client *client,
of_node_put(child);
- pd->enable_gpio = devm_gpiod_get(&client->dev, "enable");
+ pd->enable_gpio = devm_gpiod_get(&client->dev, "enable", GPIOD_OUT_LOW);
if (!pd->enable_gpio) {
dev_err(&client->dev, "Error getting GPIO\n");
return -EINVAL;
diff --git a/drivers/nfc/nxp-nci/i2c.c b/drivers/nfc/nxp-nci/i2c.c
index 2f77f1d03638..fac80c691914 100644
--- a/drivers/nfc/nxp-nci/i2c.c
+++ b/drivers/nfc/nxp-nci/i2c.c
@@ -318,19 +318,15 @@ static int nxp_nci_i2c_acpi_config(struct nxp_nci_i2c_phy *phy)
struct i2c_client *client = phy->i2c_dev;
struct gpio_desc *gpiod_en, *gpiod_fw, *gpiod_irq;
- gpiod_en = devm_gpiod_get_index(&client->dev, NULL, 2);
- gpiod_fw = devm_gpiod_get_index(&client->dev, NULL, 1);
- gpiod_irq = devm_gpiod_get_index(&client->dev, NULL, 0);
+ gpiod_en = devm_gpiod_get_index(&client->dev, NULL, 2, GPIOD_OUT_LOW);
+ gpiod_fw = devm_gpiod_get_index(&client->dev, NULL, 1, GPIOD_OUT_LOW);
+ gpiod_irq = devm_gpiod_get_index(&client->dev, NULL, 0, GPIOD_IN);
if (IS_ERR(gpiod_en) || IS_ERR(gpiod_fw) || IS_ERR(gpiod_irq)) {
nfc_err(&client->dev, "No GPIOs\n");
return -EINVAL;
}
- gpiod_direction_output(gpiod_en, 0);
- gpiod_direction_output(gpiod_fw, 0);
- gpiod_direction_input(gpiod_irq);
-
client->irq = gpiod_to_irq(gpiod_irq);
if (client->irq < 0) {
nfc_err(&client->dev, "No IRQ\n");
diff --git a/drivers/phy/phy-tusb1210.c b/drivers/phy/phy-tusb1210.c
index 07efdd318bdc..93dd45f2f26e 100644
--- a/drivers/phy/phy-tusb1210.c
+++ b/drivers/phy/phy-tusb1210.c
@@ -61,32 +61,26 @@ static struct phy_ops phy_ops = {
static int tusb1210_probe(struct ulpi *ulpi)
{
- struct gpio_desc *gpio;
struct tusb1210 *tusb;
u8 val, reg;
- int ret;
tusb = devm_kzalloc(&ulpi->dev, sizeof(*tusb), GFP_KERNEL);
if (!tusb)
return -ENOMEM;
- gpio = devm_gpiod_get(&ulpi->dev, "reset");
- if (!IS_ERR(gpio)) {
- ret = gpiod_direction_output(gpio, 0);
- if (ret)
- return ret;
- gpiod_set_value_cansleep(gpio, 1);
- tusb->gpio_reset = gpio;
- }
+ tusb->gpio_reset = devm_gpiod_get_optional(&ulpi->dev, "reset",
+ GPIOD_OUT_LOW);
+ if (IS_ERR(tusb->gpio_reset))
+ return PTR_ERR(tusb->gpio_reset);
- gpio = devm_gpiod_get(&ulpi->dev, "cs");
- if (!IS_ERR(gpio)) {
- ret = gpiod_direction_output(gpio, 0);
- if (ret)
- return ret;
- gpiod_set_value_cansleep(gpio, 1);
- tusb->gpio_cs = gpio;
- }
+ gpiod_set_value_cansleep(tusb->gpio_reset, 1);
+
+ tusb->gpio_cs = devm_gpiod_get_optional(&ulpi->dev, "cs",
+ GPIOD_OUT_LOW);
+ if (IS_ERR(tusb->gpio_cs))
+ return PTR_ERR(tusb->gpio_cs);
+
+ gpiod_set_value_cansleep(tusb->gpio_cs, 1);
/*
* VENDOR_SPECIFIC2 register in TUSB1210 can be used for configuring eye
diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c
index 27e4fc896e9d..f62617999f3c 100644
--- a/drivers/usb/dwc3/dwc3-pci.c
+++ b/drivers/usb/dwc3/dwc3-pci.c
@@ -83,17 +83,23 @@ static int dwc3_pci_quirks(struct pci_dev *pdev)
acpi_dev_add_driver_gpios(ACPI_COMPANION(&pdev->dev),
acpi_dwc3_byt_gpios);
- /* These GPIOs will turn on the USB2 PHY */
- gpio = gpiod_get(&pdev->dev, "cs");
- if (!IS_ERR(gpio)) {
- gpiod_direction_output(gpio, 0);
- gpiod_set_value_cansleep(gpio, 1);
- gpiod_put(gpio);
- }
+ /*
+ * These GPIOs will turn on the USB2 PHY. Note that we have to
+ * put the gpio descriptors again here because the phy driver
+ * might want to grab them, too.
+ */
+ gpio = gpiod_get_optional(&pdev->dev, "cs", GPIOD_OUT_LOW);
+ if (IS_ERR(gpio))
+ return PTR_ERR(gpio);
+
+ gpiod_set_value_cansleep(gpio, 1);
+ gpiod_put(gpio);
+
+ gpio = gpiod_get_optional(&pdev->dev, "reset", GPIOD_OUT_LOW);
+ if (IS_ERR(gpio))
+ return PTR_ERR(gpio);
- gpio = gpiod_get(&pdev->dev, "reset");
- if (!IS_ERR(gpio)) {
- gpiod_direction_output(gpio, 0);
+ if (gpio) {
gpiod_set_value_cansleep(gpio, 1);
gpiod_put(gpio);
usleep_range(10000, 11000);
diff --git a/drivers/usb/gadget/udc/pxa27x_udc.c b/drivers/usb/gadget/udc/pxa27x_udc.c
index b51226abade6..042f06b52677 100644
--- a/drivers/usb/gadget/udc/pxa27x_udc.c
+++ b/drivers/usb/gadget/udc/pxa27x_udc.c
@@ -2422,7 +2422,7 @@ static int pxa_udc_probe(struct platform_device *pdev)
}
udc->udc_command = mach->udc_command;
} else {
- udc->gpiod = devm_gpiod_get(&pdev->dev, NULL);
+ udc->gpiod = devm_gpiod_get(&pdev->dev, NULL, GPIOD_ASIS);
}
regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
diff --git a/drivers/usb/phy/phy-generic.c b/drivers/usb/phy/phy-generic.c
index deee68eafb72..ec6ecd03269c 100644
--- a/drivers/usb/phy/phy-generic.c
+++ b/drivers/usb/phy/phy-generic.c
@@ -218,11 +218,13 @@ int usb_phy_gen_create_phy(struct device *dev, struct usb_phy_generic *nop,
clk_rate = 0;
needs_vcc = of_property_read_bool(node, "vcc-supply");
- nop->gpiod_reset = devm_gpiod_get_optional(dev, "reset");
+ nop->gpiod_reset = devm_gpiod_get_optional(dev, "reset",
+ GPIOD_ASIS);
err = PTR_ERR_OR_ZERO(nop->gpiod_reset);
if (!err) {
nop->gpiod_vbus = devm_gpiod_get_optional(dev,
- "vbus-detect");
+ "vbus-detect",
+ GPIOD_ASIS);
err = PTR_ERR_OR_ZERO(nop->gpiod_vbus);
}
} else if (pdata) {
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-23 05:22:02 +0000