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authorLinus Walleij <linus.walleij@linaro.org>2014-09-16 15:11:41 -0700
committerLinus Walleij <linus.walleij@linaro.org>2014-09-23 17:51:17 +0200
commitda26d5d803e45a30c7d72b83ce906f3a466f4cc3 (patch)
tree43b7bac272c85efd85c037e0343d264ff923c443 /drivers/gpio
parent2fcea6cecbc965b4e02a39537d9d939f5251bbbd (diff)
gpio: remove remaining users of gpiochip_remove() retval
Some drivers accidentally still use the return value from gpiochip_remove(). Get rid of them so we can simplify this function and get rid of the return value. Cc: Abdoulaye Berthe <berthe.ab@gmail.com> Acked-by: Alexandre Courbot <acourbot@nvidia.com> Acked-by: Javier Martinez Canillas <javier@dowhile0.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/gpio')
-rw-r--r--drivers/gpio/gpio-crystalcove.c9
-rw-r--r--drivers/gpio/gpio-omap.c2
-rw-r--r--drivers/gpio/gpio-xgene.c7
-rw-r--r--drivers/gpio/gpio-zynq.c8
4 files changed, 7 insertions, 19 deletions
diff --git a/drivers/gpio/gpio-crystalcove.c b/drivers/gpio/gpio-crystalcove.c
index 934462f5bd22..e3712f0e51ab 100644
--- a/drivers/gpio/gpio-crystalcove.c
+++ b/drivers/gpio/gpio-crystalcove.c
@@ -346,7 +346,7 @@ 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;
}
@@ -354,14 +354,11 @@ 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);
+ gpiochip_remove(&cg->chip);
if (irq >= 0)
free_irq(irq, cg);
-
- 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 174932165fcb..5cd33677a018 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-xgene.c b/drivers/gpio/gpio-xgene.c
index e25ba14fbb64..f1944d496c3b 100644
--- a/drivers/gpio/gpio-xgene.c
+++ b/drivers/gpio/gpio-xgene.c
@@ -216,12 +216,9 @@ err:
static int xgene_gpio_remove(struct platform_device *pdev)
{
struct xgene_gpio *gpio = platform_get_drvdata(pdev);
- int ret = 0;
- ret = gpiochip_remove(&gpio->chip);
- if (ret)
- dev_err(&pdev->dev, "unable to remove gpio_chip.\n");
- return ret;
+ gpiochip_remove(&gpio->chip);
+ return 0;
}
#ifdef CONFIG_OF
diff --git a/drivers/gpio/gpio-zynq.c b/drivers/gpio/gpio-zynq.c
index 5dfbced24815..74cd480bf8de 100644
--- a/drivers/gpio/gpio-zynq.c
+++ b/drivers/gpio/gpio-zynq.c
@@ -686,16 +686,10 @@ 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;