[PATCH 1/2] gpio: remove remaining users of gpiochip_remove() retval

From: Pramod Gurav
Date: Tue Sep 30 2014 - 10:12:18 EST


Some driver in gpio still check for return value from gpiochip_remove
Get rid of the check for return value.

Cc: Linus Walleij <linus.walleij@xxxxxxxxxx>
Cc: Alexandre Courbot <gnurou@xxxxxxxxx>
Cc: linux-gpio@xxxxxxxxxxxxxxx

Signed-off-by: Pramod Gurav <pramod.gurav@xxxxxxxxxxxxxxx>
---
drivers/gpio/gpio-crystalcove.c | 12 ++++--------
drivers/gpio/gpio-omap.c | 2 +-
drivers/gpio/gpio-zynq.c | 10 ++--------
3 files changed, 7 insertions(+), 17 deletions(-)

diff --git a/drivers/gpio/gpio-crystalcove.c b/drivers/gpio/gpio-crystalcove.c
index 934462f..0345b94 100644
--- a/drivers/gpio/gpio-crystalcove.c
+++ b/drivers/gpio/gpio-crystalcove.c
@@ -346,22 +346,18 @@ static int crystalcove_gpio_probe(struct platform_device *pdev)
return 0;

out_remove_gpio:
- WARN_ON(gpiochip_remove(&cg->chip));
+ gpiochip_remove(&cg->chip);
return retval;
}

static int crystalcove_gpio_remove(struct platform_device *pdev)
{
struct crystalcove_gpio *cg = platform_get_drvdata(pdev);
- int irq = platform_get_irq(pdev, 0);
- int err;
-
- err = gpiochip_remove(&cg->chip);
+ platform_get_irq(pdev, 0);

- if (irq >= 0)
- free_irq(irq, cg);
+ gpiochip_remove(&cg->chip);

- return err;
+ return 0;
}

static struct platform_driver crystalcove_gpio_driver = {
diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c
index 1749321..5cd3367 100644
--- a/drivers/gpio/gpio-omap.c
+++ b/drivers/gpio/gpio-omap.c
@@ -1143,7 +1143,7 @@ static int omap_gpio_chip_init(struct gpio_bank *bank)

if (ret) {
dev_err(bank->dev, "Couldn't add irqchip to gpiochip %d\n", ret);
- ret = gpiochip_remove(&bank->chip);
+ gpiochip_remove(&bank->chip);
return -ENODEV;
}

diff --git a/drivers/gpio/gpio-zynq.c b/drivers/gpio/gpio-zynq.c
index 31ad5df..13c677a 100644
--- a/drivers/gpio/gpio-zynq.c
+++ b/drivers/gpio/gpio-zynq.c
@@ -648,8 +648,7 @@ static int zynq_gpio_probe(struct platform_device *pdev)
return 0;

err_rm_gpiochip:
- if (gpiochip_remove(chip))
- dev_err(&pdev->dev, "Failed to remove gpio chip\n");
+ gpiochip_remove(chip);
err_disable_clk:
clk_disable_unprepare(gpio->clk);

@@ -664,16 +663,11 @@ err_disable_clk:
*/
static int zynq_gpio_remove(struct platform_device *pdev)
{
- int ret;
struct zynq_gpio *gpio = platform_get_drvdata(pdev);

pm_runtime_get_sync(&pdev->dev);

- ret = gpiochip_remove(&gpio->chip);
- if (ret) {
- dev_err(&pdev->dev, "Failed to remove gpio chip\n");
- return ret;
- }
+ gpiochip_remove(&gpio->chip);
clk_disable_unprepare(gpio->clk);
device_set_wakeup_capable(&pdev->dev, 0);
return 0;
--
1.7.9.5

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