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authorCorentin Labbe <clabbe.montjoie@gmail.com>2017-10-21 19:45:13 +0200
committerWim Van Sebroeck <wim@iguana.be>2017-12-28 20:45:12 +0100
commite531037145df630ff9d7be3858497388cc700f79 (patch)
treeeaa24205264459aef5a087e5295604f836cba6ac /drivers/watchdog/sunxi_wdt.c
parentwatchdog: xen: use time64_t for timeouts (diff)
downloadlinux-e531037145df630ff9d7be3858497388cc700f79.tar.xz
linux-e531037145df630ff9d7be3858497388cc700f79.zip
watchdog: sunxi_wdt: use of_device_get_match_data
The usage of of_device_get_match_data reduce the code size a bit. Furthermore, it prevents an improbable dereference when of_match_device() return NULL. Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Diffstat (limited to 'drivers/watchdog/sunxi_wdt.c')
-rw-r--r--drivers/watchdog/sunxi_wdt.c7
1 files changed, 2 insertions, 5 deletions
diff --git a/drivers/watchdog/sunxi_wdt.c b/drivers/watchdog/sunxi_wdt.c
index 9728fa32c357..802e31b1416d 100644
--- a/drivers/watchdog/sunxi_wdt.c
+++ b/drivers/watchdog/sunxi_wdt.c
@@ -234,7 +234,6 @@ MODULE_DEVICE_TABLE(of, sunxi_wdt_dt_ids);
static int sunxi_wdt_probe(struct platform_device *pdev)
{
struct sunxi_wdt_dev *sunxi_wdt;
- const struct of_device_id *device;
struct resource *res;
int err;
@@ -242,12 +241,10 @@ static int sunxi_wdt_probe(struct platform_device *pdev)
if (!sunxi_wdt)
return -EINVAL;
- device = of_match_device(sunxi_wdt_dt_ids, &pdev->dev);
- if (!device)
+ sunxi_wdt->wdt_regs = of_device_get_match_data(&pdev->dev);
+ if (!sunxi_wdt->wdt_regs)
return -ENODEV;
- sunxi_wdt->wdt_regs = device->data;
-
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
sunxi_wdt->wdt_base = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(sunxi_wdt->wdt_base))