diff options
| author | Bartosz Golaszewski <bgolaszewski@baylibre.com> | 2019-10-02 18:33:48 +0200 |
|---|---|---|
| committer | Bartosz Golaszewski <bgolaszewski@baylibre.com> | 2019-10-09 18:19:58 +0200 |
| commit | 94bfcbf0368b61403c33477e404eb16299b7423d (patch) | |
| tree | c7413eaf7f27a3a23a549ecaa3e79bc66566d307 /drivers/gpio/gpio-em.c | |
| parent | f63516f4d6445ec23d0b7c286c5ff0064bdbe46b (diff) | |
gpio: em: use devm_platform_ioremap_resource()
There's no need to use the nocache variant of ioremap(). Switch to
using devm_platform_ioremap_resource().
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Diffstat (limited to 'drivers/gpio/gpio-em.c')
| -rw-r--r-- | drivers/gpio/gpio-em.c | 20 |
1 files changed, 8 insertions, 12 deletions
diff --git a/drivers/gpio/gpio-em.c b/drivers/gpio/gpio-em.c index 620f25b7efb4..674ebebaf90b 100644 --- a/drivers/gpio/gpio-em.c +++ b/drivers/gpio/gpio-em.c @@ -269,7 +269,7 @@ static void em_gio_irq_domain_remove(void *data) static int em_gio_probe(struct platform_device *pdev) { struct em_gio_priv *p; - struct resource *io[2], *irq[2]; + struct resource *irq[2]; struct gpio_chip *gpio_chip; struct irq_chip *irq_chip; struct device *dev = &pdev->dev; @@ -285,25 +285,21 @@ static int em_gio_probe(struct platform_device *pdev) platform_set_drvdata(pdev, p); spin_lock_init(&p->sense_lock); - io[0] = platform_get_resource(pdev, IORESOURCE_MEM, 0); - io[1] = platform_get_resource(pdev, IORESOURCE_MEM, 1); irq[0] = platform_get_resource(pdev, IORESOURCE_IRQ, 0); irq[1] = platform_get_resource(pdev, IORESOURCE_IRQ, 1); - if (!io[0] || !io[1] || !irq[0] || !irq[1]) { + if (!irq[0] || !irq[1]) { dev_err(dev, "missing IRQ or IOMEM\n"); return -EINVAL; } - p->base0 = devm_ioremap_nocache(dev, io[0]->start, - resource_size(io[0])); - if (!p->base0) - return -ENOMEM; + p->base0 = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(p->base0)) + return PTR_ERR(p->base0); - p->base1 = devm_ioremap_nocache(dev, io[1]->start, - resource_size(io[1])); - if (!p->base1) - return -ENOMEM; + p->base1 = devm_platform_ioremap_resource(pdev, 1); + if (IS_ERR(p->base1)) + return PTR_ERR(p->base1); if (of_property_read_u32(dev->of_node, "ngpios", &ngpios)) { dev_err(dev, "Missing ngpios OF property\n"); |