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gpio: 74xx-mmio: Use of_device_get_match_data()

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Use of_device_get_match_data() instead of open-coding it.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Thierry Reding 2018-04-30 09:38:08 +02:00 committed by Linus Walleij
parent 058de3486b
commit a23ffcf253
1 changed files with 2 additions and 7 deletions
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9
drivers/gpio/gpio-74xx-mmio.c
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@ -105,27 +105,22 @@ static int mmio_74xx_dir_out(struct gpio_chip *gc, unsigned int gpio, int val)
static int mmio_74xx_gpio_probe(struct platform_device *pdev)
{
const struct of_device_id *of_id;
struct mmio_74xx_gpio_priv *priv;
struct resource *res;
void __iomem *dat;
int err;
of_id = of_match_device(mmio_74xx_gpio_ids, &pdev->dev);
if (!of_id)
return -ENODEV;
priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
if (!priv)
return -ENOMEM;
priv->flags = (uintptr_t)of_device_get_match_data(&pdev->dev);
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
dat = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(dat))
return PTR_ERR(dat);
priv->flags = (uintptr_t) of_id->data;
err = bgpio_init(&priv->gc, &pdev->dev,
DIV_ROUND_UP(MMIO_74XX_BIT_CNT(priv->flags), 8),
dat, NULL, NULL, NULL, NULL, 0);