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watchdog: sp805_wdt: Use devm_ioremap_resource() 

Use devm_ioremap_resource() in order to make the code simpler.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
hifive-unleashed-5.1
Jingoo Han 2014-02-11 21:45:56 +09:00 committed by Wim Van Sebroeck
parent 6e27206139
commit 9d11e4f8c3
1 changed files with 3 additions and 14 deletions
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17
drivers/watchdog/sp805_wdt.c
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@ -208,26 +208,15 @@ sp805_wdt_probe(struct amba_device *adev, const struct amba_id *id)
struct sp805_wdt *wdt;
int ret = 0;
if (!devm_request_mem_region(&adev->dev, adev->res.start,
resource_size(&adev->res), "sp805_wdt")) {
dev_warn(&adev->dev, "Failed to get memory region resource\n");
ret = -ENOENT;
goto err;
}
wdt = devm_kzalloc(&adev->dev, sizeof(*wdt), GFP_KERNEL);
if (!wdt) {
ret = -ENOMEM;
goto err;
}
wdt->base = devm_ioremap(&adev->dev, adev->res.start,
resource_size(&adev->res));
if (!wdt->base) {
ret = -ENOMEM;
dev_warn(&adev->dev, "ioremap fail\n");
goto err;
}
wdt->base = devm_ioremap_resource(&adev->dev, &adev->res);
if (IS_ERR(wdt->base))
return PTR_ERR(wdt->base);
wdt->clk = devm_clk_get(&adev->dev, NULL);
if (IS_ERR(wdt->clk)) {