| Message ID | 1617243921-56774-1-git-send-email-tiantao6@hisilicon.com |
|---|---|
| State | New |
| Headers | show |
| Series | watchdog: meson_wdt: Use device_get_match_data() helper | expand |
Le 01/04/2021 à 04:25, Tian Tao a écrit : > Use the device_get_match_data() helper instead of open coding. > > Signed-off-by: Tian Tao <tiantao6@hisilicon.com> > --- > drivers/watchdog/meson_wdt.c | 8 +------- > 1 file changed, 1 insertion(+), 7 deletions(-) > > diff --git a/drivers/watchdog/meson_wdt.c b/drivers/watchdog/meson_wdt.c > index 459f3ae..539feaa 100644 > --- a/drivers/watchdog/meson_wdt.c > +++ b/drivers/watchdog/meson_wdt.c > @@ -162,7 +162,6 @@ static int meson_wdt_probe(struct platform_device *pdev) > { > struct device *dev = &pdev->dev; > struct meson_wdt_dev *meson_wdt; > - const struct of_device_id *of_id; > int err; > > meson_wdt = devm_kzalloc(dev, sizeof(*meson_wdt), GFP_KERNEL); > @@ -173,12 +172,7 @@ static int meson_wdt_probe(struct platform_device *pdev) > if (IS_ERR(meson_wdt->wdt_base)) > return PTR_ERR(meson_wdt->wdt_base); > > - of_id = of_match_device(meson_wdt_dt_ids, dev); > - if (!of_id) { > - dev_err(dev, "Unable to initialize WDT data\n"); > - return -ENODEV; > - } > - meson_wdt->data = of_id->data; > + meson_wdt->data = device_get_match_data(dev); Previously, it was returning -ENODEV on failure. What happens now when device_get_match_data() returns NULL ? > > meson_wdt->wdt_dev.parent = dev; > meson_wdt->wdt_dev.info = &meson_wdt_info; > Christophe
On 3/31/21 7:25 PM, Tian Tao wrote: > Use the device_get_match_data() helper instead of open coding. > > Signed-off-by: Tian Tao <tiantao6@hisilicon.com> Reviewed-by: Guenter Roeck <linux@roeck-us.net> > --- > drivers/watchdog/meson_wdt.c | 8 +------- > 1 file changed, 1 insertion(+), 7 deletions(-) > > diff --git a/drivers/watchdog/meson_wdt.c b/drivers/watchdog/meson_wdt.c > index 459f3ae..539feaa 100644 > --- a/drivers/watchdog/meson_wdt.c > +++ b/drivers/watchdog/meson_wdt.c > @@ -162,7 +162,6 @@ static int meson_wdt_probe(struct platform_device *pdev) > { > struct device *dev = &pdev->dev; > struct meson_wdt_dev *meson_wdt; > - const struct of_device_id *of_id; > int err; > > meson_wdt = devm_kzalloc(dev, sizeof(*meson_wdt), GFP_KERNEL); > @@ -173,12 +172,7 @@ static int meson_wdt_probe(struct platform_device *pdev) > if (IS_ERR(meson_wdt->wdt_base)) > return PTR_ERR(meson_wdt->wdt_base); > > - of_id = of_match_device(meson_wdt_dt_ids, dev); > - if (!of_id) { > - dev_err(dev, "Unable to initialize WDT data\n"); > - return -ENODEV; > - } > - meson_wdt->data = of_id->data; > + meson_wdt->data = device_get_match_data(dev); > > meson_wdt->wdt_dev.parent = dev; > meson_wdt->wdt_dev.info = &meson_wdt_info; >
diff --git a/drivers/watchdog/meson_wdt.c b/drivers/watchdog/meson_wdt.c index 459f3ae..539feaa 100644 --- a/drivers/watchdog/meson_wdt.c +++ b/drivers/watchdog/meson_wdt.c @@ -162,7 +162,6 @@ static int meson_wdt_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct meson_wdt_dev *meson_wdt; - const struct of_device_id *of_id; int err; meson_wdt = devm_kzalloc(dev, sizeof(*meson_wdt), GFP_KERNEL); @@ -173,12 +172,7 @@ static int meson_wdt_probe(struct platform_device *pdev) if (IS_ERR(meson_wdt->wdt_base)) return PTR_ERR(meson_wdt->wdt_base); - of_id = of_match_device(meson_wdt_dt_ids, dev); - if (!of_id) { - dev_err(dev, "Unable to initialize WDT data\n"); - return -ENODEV; - } - meson_wdt->data = of_id->data; + meson_wdt->data = device_get_match_data(dev); meson_wdt->wdt_dev.parent = dev; meson_wdt->wdt_dev.info = &meson_wdt_info;
Use the device_get_match_data() helper instead of open coding. Signed-off-by: Tian Tao <tiantao6@hisilicon.com> --- drivers/watchdog/meson_wdt.c | 8 +------- 1 file changed, 1 insertion(+), 7 deletions(-)