[PATCH 13/61] gpio: crystalcove: Use devm_gpiochip_add_data() for gpio registration

From: Laxman Dewangan
Date: Mon Feb 22 2016 - 09:22:51 EST


Use devm_gpiochip_add_data() for GPIO registration and remove the
call of gpiochip_remove() from error path.

Signed-off-by: Laxman Dewangan <ldewangan@xxxxxxxxxx>
---
drivers/gpio/gpio-crystalcove.c | 9 ++-------
1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/drivers/gpio/gpio-crystalcove.c b/drivers/gpio/gpio-crystalcove.c
index 7865ef0..7c446d1 100644
--- a/drivers/gpio/gpio-crystalcove.c
+++ b/drivers/gpio/gpio-crystalcove.c
@@ -345,7 +345,7 @@ static int crystalcove_gpio_probe(struct platform_device *pdev)
cg->chip.dbg_show = crystalcove_gpio_dbg_show;
cg->regmap = pmic->regmap;

- retval = gpiochip_add_data(&cg->chip, cg);
+ retval = devm_gpiochip_add_data(&pdev->dev, &cg->chip, cg);
if (retval) {
dev_warn(&pdev->dev, "add gpio chip error: %d\n", retval);
return retval;
@@ -359,14 +359,10 @@ static int crystalcove_gpio_probe(struct platform_device *pdev)

if (retval) {
dev_warn(&pdev->dev, "request irq failed: %d\n", retval);
- goto out_remove_gpio;
+ return retval;
}

return 0;
-
-out_remove_gpio:
- gpiochip_remove(&cg->chip);
- return retval;
}

static int crystalcove_gpio_remove(struct platform_device *pdev)
@@ -374,7 +370,6 @@ static int crystalcove_gpio_remove(struct platform_device *pdev)
struct crystalcove_gpio *cg = platform_get_drvdata(pdev);
int irq = platform_get_irq(pdev, 0);

- gpiochip_remove(&cg->chip);
if (irq >= 0)
free_irq(irq, cg);
return 0;
--
2.1.4