[PATCH v1 4/4] gpiolib: acpi: Pass con_id instead of property into acpi_dev_gpio_irq_get_by()

Andy Shevchenko
2024-04-11T17:26:42Z

Pass the con_id instead of property so that callers won't repeat
the GPIO suffixes to try.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
drivers/gpio/gpio-pca953x.c | 2 +-
drivers/gpio/gpiolib-acpi.c | 11 +++++------
.../ethernet/mellanox/mlxbf_gige/mlxbf_gige_main.c | 2 +-
drivers/pinctrl/pinctrl-cy8c95x0.c | 2 +-
include/linux/acpi.h | 8 ++++----
5 files changed, 12 insertions(+), 13 deletions(-)

diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c
index 00ffa168e405..77a2812f2974 100644
--- a/drivers/gpio/gpio-pca953x.c
+++ b/drivers/gpio/gpio-pca953x.c
@@ -144,7 +144,7 @@ static int pca953x_acpi_get_irq(struct device *dev)
if (ret)
dev_warn(dev, "can't add GPIO ACPI mapping\n");

- ret = acpi_dev_gpio_irq_get_by(ACPI_COMPANION(dev), "irq-gpios", 0);
+ ret = acpi_dev_gpio_irq_get_by(ACPI_COMPANION(dev), "irq", 0);
if (ret < 0)
return ret;

diff --git a/drivers/gpio/gpiolib-acpi.c b/drivers/gpio/gpiolib-acpi.c
index 2b3fd43b13fc..909113312a1b 100644
--- a/drivers/gpio/gpiolib-acpi.c
+++ b/drivers/gpio/gpiolib-acpi.c
@@ -1013,7 +1013,7 @@ struct gpio_desc *acpi_find_gpio(struct fwnode_handle *fwnode,
/**
* acpi_dev_gpio_irq_wake_get_by() - Find GpioInt and translate it to Linux IRQ number
* @adev: pointer to a ACPI device to get IRQ from
- * @name: optional name of GpioInt resource
+ * @con_id: optional name of GpioInt resource
* @index: index of GpioInt resource (starting from %0)
* @wake_capable: Set to true if the IRQ is wake capable
*
@@ -1024,15 +1024,15 @@ struct gpio_desc *acpi_find_gpio(struct fwnode_handle *fwnode,
* The function is idempotent, though each time it runs it will configure GPIO
* pin direction according to the flags in GpioInt resource.
*
- * The function takes optional @name parameter. If the resource has a property
- * name, then only those will be taken into account.
+ * The function takes optional @con_id parameter. If the resource has
+ * a @con_id in a property, then only those will be taken into account.
*
* The GPIO is considered wake capable if the GpioInt resource specifies
* SharedAndWake or ExclusiveAndWake.
*
* Return: Linux IRQ number (> %0) on success, negative errno on failure.
*/
-int acpi_dev_gpio_irq_wake_get_by(struct acpi_device *adev, const char *name, int index,
+int acpi_dev_gpio_irq_wake_get_by(struct acpi_device *adev, const char *con_id, int index,
bool *wake_capable)
{
int idx, i;
@@ -1043,9 +1043,8 @@ int acpi_dev_gpio_irq_wake_get_by(struct acpi_device *adev, const char *name, in
struct acpi_gpio_info info;
struct gpio_desc *desc;

- desc = acpi_get_gpiod_by_index(adev, name, i, &info);
-
/* Ignore -EPROBE_DEFER, it only matters if idx matches */
+ desc = __acpi_find_gpio(acpi_fwnode_handle(adev), con_id, i, true, &info);
if (IS_ERR(desc) && PTR_ERR(desc) != -EPROBE_DEFER)
return PTR_ERR(desc);

diff --git a/drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_main.c b/drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_main.c
index ba303868686a..b157f0f1c5a8 100644
--- a/drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_main.c
+++ b/drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_main.c
@@ -436,7 +436,7 @@ static int mlxbf_gige_probe(struct platform_device *pdev)
priv->rx_irq = platform_get_irq(pdev, MLXBF_GIGE_RECEIVE_PKT_INTR_IDX);
priv->llu_plu_irq = platform_get_irq(pdev, MLXBF_GIGE_LLU_PLU_INTR_IDX);

- phy_irq = acpi_dev_gpio_irq_get_by(ACPI_COMPANION(&pdev->dev), "phy-gpios", 0);
+ phy_irq = acpi_dev_gpio_irq_get_by(ACPI_COMPANION(&pdev->dev), "phy", 0);
if (phy_irq < 0) {
dev_err(&pdev->dev, "Error getting PHY irq. Use polling instead");
phy_irq = PHY_POLL;
diff --git a/drivers/pinctrl/pinctrl-cy8c95x0.c b/drivers/pinctrl/pinctrl-cy8c95x0.c
index 67b5d160c027..981c569bd671 100644
--- a/drivers/pinctrl/pinctrl-cy8c95x0.c
+++ b/drivers/pinctrl/pinctrl-cy8c95x0.c
@@ -95,7 +95,7 @@ static int cy8c95x0_acpi_get_irq(struct device *dev)
if (ret)
dev_warn(dev, "can't add GPIO ACPI mapping\n");

- ret = acpi_dev_gpio_irq_get_by(ACPI_COMPANION(dev), "irq-gpios", 0);
+ ret = acpi_dev_gpio_irq_get_by(ACPI_COMPANION(dev), "irq", 0);
if (ret < 0)
return ret;

diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index 34829f2c517a..35aff121f418 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -1233,7 +1233,7 @@ bool acpi_gpio_get_irq_resource(struct acpi_resource *ares,
struct acpi_resource_gpio **agpio);
bool acpi_gpio_get_io_resource(struct acpi_resource *ares,
struct acpi_resource_gpio **agpio);
-int acpi_dev_gpio_irq_wake_get_by(struct acpi_device *adev, const char *name, int index,
+int acpi_dev_gpio_irq_wake_get_by(struct acpi_device *adev, const char *con_id, int index,
bool *wake_capable);
#else
static inline bool acpi_gpio_get_irq_resource(struct acpi_resource *ares,
@@ -1246,7 +1246,7 @@ static inline bool acpi_gpio_get_io_resource(struct acpi_resource *ares,
{
return false;
}
-static inline int acpi_dev_gpio_irq_wake_get_by(struct acpi_device *adev, const char *name,
+static inline int acpi_dev_gpio_irq_wake_get_by(struct acpi_device *adev, const char *con_id,
int index, bool *wake_capable)
{
return -ENXIO;
@@ -1259,10 +1259,10 @@ static inline int acpi_dev_gpio_irq_wake_get(struct acpi_device *adev, int index
return acpi_dev_gpio_irq_wake_get_by(adev, NULL, index, wake_capable);
}

-static inline int acpi_dev_gpio_irq_get_by(struct acpi_device *adev, const char *name,
+static inline int acpi_dev_gpio_irq_get_by(struct acpi_device *adev, const char *con_id,
int index)
{
- return acpi_dev_gpio_irq_wake_get_by(adev, name, index, NULL);
+ return acpi_dev_gpio_irq_wake_get_by(adev, con_id, index, NULL);
}

static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index)
--
2.43.0.rc1.1336.g36b5255a03ac