linux-kernel - [PATCH 5/6] gpio: htc-egpio: use devm_platform_ioremap

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Message-Id: <20191002170249.17366-6-brgl@bgdev.pl>
Date:   Wed,  2 Oct 2019 19:02:48 +0200
From:   Bartosz Golaszewski <brgl@...ev.pl>
To:     Linus Walleij <linus.walleij@...aro.org>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Alban Bedel <albeu@...e.fr>
Cc:     linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org,
        Bartosz Golaszewski <bgolaszewski@...libre.com>
Subject: [PATCH 5/6] gpio: htc-egpio: use devm_platform_ioremap_resource()

From: Bartosz Golaszewski <bgolaszewski@...libre.com>

There's no need to use the nocache variant of ioremap(). Switch to
using devm_platform_ioremap_resource().

Signed-off-by: Bartosz Golaszewski <bgolaszewski@...libre.com>
---
 drivers/gpio/gpio-htc-egpio.c | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/drivers/gpio/gpio-htc-egpio.c b/drivers/gpio/gpio-htc-egpio.c
index 6eb56f7ab9c9..2d4b0b888f66 100644
--- a/drivers/gpio/gpio-htc-egpio.c
+++ b/drivers/gpio/gpio-htc-egpio.c
@@ -281,14 +281,9 @@ static int __init egpio_probe(struct platform_device *pdev)
 		ei->chained_irq = res->start;
 
 	/* Map egpio chip into virtual address space. */
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res)
+	ei->base_addr = devm_platform_ioremap_resource(pdev, 0);
+	if (IS_ERR(ei->base_addr))
 		goto fail;
-	ei->base_addr = devm_ioremap_nocache(&pdev->dev, res->start,
-					     resource_size(res));
-	if (!ei->base_addr)
-		goto fail;
-	pr_debug("EGPIO phys=%08x virt=%p\n", (u32)res->start, ei->base_addr);
 
 	if ((pdata->bus_width != 16) && (pdata->bus_width != 32))
 		goto fail;
-- 
2.23.0