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gpio: cs5535: Use devm_gpiochip_add_data() for gpio registration

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Use devm_gpiochip_add_data() for GPIO registration and remove the
need of driver callback .remove.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
This commit is contained in:
Laxman Dewangan 2016-02-22 17:43:28 +05:30
parent 828e47e453
commit 85bd84f536
1 changed files with 5 additions and 15 deletions
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20
drivers/gpio/gpio-cs5535.c
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@ -320,13 +320,13 @@ static int cs5535_gpio_probe(struct platform_device *pdev)
res = platform_get_resource(pdev, IORESOURCE_IO, 0); res = platform_get_resource(pdev, IORESOURCE_IO, 0);
if (!res) { if (!res) {
dev_err(&pdev->dev, "can't fetch device resource info\n"); dev_err(&pdev->dev, "can't fetch device resource info\n");
goto done; return err;
} }
if (!devm_request_region(&pdev->dev, res->start, resource_size(res), if (!devm_request_region(&pdev->dev, res->start, resource_size(res),
pdev->name)) { pdev->name)) {
dev_err(&pdev->dev, "can't request region\n"); dev_err(&pdev->dev, "can't request region\n");
goto done; return err;
} }
/* set up the driver-specific struct */ /* set up the driver-specific struct */
@ -348,19 +348,10 @@ static int cs5535_gpio_probe(struct platform_device *pdev)
mask_orig, mask); mask_orig, mask);
/* finally, register with the generic GPIO API */ /* finally, register with the generic GPIO API */
err = gpiochip_add_data(&cs5535_gpio_chip.chip, &cs5535_gpio_chip); err = devm_gpiochip_add_data(&pdev->dev, &cs5535_gpio_chip.chip,
&cs5535_gpio_chip);
if (err) if (err)
goto done; return err;
return 0;
done:
return err;
}
static int cs5535_gpio_remove(struct platform_device *pdev)
{
gpiochip_remove(&cs5535_gpio_chip.chip);
return 0; return 0;
} }
@ -370,7 +361,6 @@ static struct platform_driver cs5535_gpio_driver = {
.name = DRV_NAME, .name = DRV_NAME,
}, },
.probe = cs5535_gpio_probe, .probe = cs5535_gpio_probe,
.remove = cs5535_gpio_remove,
}; };
module_platform_driver(cs5535_gpio_driver); module_platform_driver(cs5535_gpio_driver);