diff options
| author | Corentin Labbe <clabbe.montjoie@gmail.com> | 2017-10-21 20:45:13 +0300 |
|---|---|---|
| committer | Wim Van Sebroeck <wim@iguana.be> | 2017-12-28 22:45:12 +0300 |
| commit | e531037145df630ff9d7be3858497388cc700f79 (patch) | |
| tree | eaa24205264459aef5a087e5295604f836cba6ac /drivers/watchdog | |
| parent | b6c84c9ff3f48a476451eceb5e8478b8aadda8dc (diff) | |
| download | linux-e531037145df630ff9d7be3858497388cc700f79.tar.xz | |
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')
| -rw-r--r-- | drivers/watchdog/sunxi_wdt.c | 7 |
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)) |