| Message ID | 20220920153055.3465115-2-yangyingliang@huawei.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [-next,1/4] Input: adc-joystick - Switch to use dev_err_probe() helper | expand |
Hi Yang, Thank you for your patch, On Tue, Sep 20, 2022 at 23:30, Yang Yingliang <yangyingliang@huawei.com> wrote: > In the probe path, dev_err() can be replaced with dev_err_probe() > which will check if error code is -EPROBE_DEFER and prints the > error name. It also sets the defer probe reason which can be > checked later through debugfs. > > Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> > --- > drivers/input/keyboard/bcm-keypad.c | 8 +++----- > 1 file changed, 3 insertions(+), 5 deletions(-) > > diff --git a/drivers/input/keyboard/bcm-keypad.c b/drivers/input/keyboard/bcm-keypad.c > index 56a919ec23b5..bc8bd78d74f5 100644 > --- a/drivers/input/keyboard/bcm-keypad.c > +++ b/drivers/input/keyboard/bcm-keypad.c > @@ -368,11 +368,9 @@ static int bcm_kp_probe(struct platform_device *pdev) > kp->clk = devm_clk_get(&pdev->dev, "peri_clk"); > if (IS_ERR(kp->clk)) { > error = PTR_ERR(kp->clk); > - if (error != -ENOENT) { > - if (error != -EPROBE_DEFER) > - dev_err(&pdev->dev, "Failed to get clock\n"); > - return error; > - } > + if (error != -ENOENT) > + return dev_err_probe(&pdev->dev, error, > + "Failed to get clock\n"); If we look at the input tree, we can see that there is no occurence of dev_err_probe(): $ ~/src/linux/drivers/input/ 483fed3b5dc8 grep -rsn dev_err_probe $ ~/src/linux/drivers/input/ 483fed3b5dc8 The reason for this is that the input maintainer (Dmitry) dislikes dev_err_probe() as he stated in [1] So I don't think he will apply this. Regards, Mattijs [1] https://lore.kernel.org/r/YWTpg35wyYS1uoFZ@google.com > dev_dbg(&pdev->dev, > "No clock specified. Assuming it's enabled\n"); > kp->clk = NULL; > -- > 2.25.1
diff --git a/drivers/input/keyboard/bcm-keypad.c b/drivers/input/keyboard/bcm-keypad.c index 56a919ec23b5..bc8bd78d74f5 100644 --- a/drivers/input/keyboard/bcm-keypad.c +++ b/drivers/input/keyboard/bcm-keypad.c @@ -368,11 +368,9 @@ static int bcm_kp_probe(struct platform_device *pdev) kp->clk = devm_clk_get(&pdev->dev, "peri_clk"); if (IS_ERR(kp->clk)) { error = PTR_ERR(kp->clk); - if (error != -ENOENT) { - if (error != -EPROBE_DEFER) - dev_err(&pdev->dev, "Failed to get clock\n"); - return error; - } + if (error != -ENOENT) + return dev_err_probe(&pdev->dev, error, + "Failed to get clock\n"); dev_dbg(&pdev->dev, "No clock specified. Assuming it's enabled\n"); kp->clk = NULL;
In the probe path, dev_err() can be replaced with dev_err_probe() which will check if error code is -EPROBE_DEFER and prints the error name. It also sets the defer probe reason which can be checked later through debugfs. Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> --- drivers/input/keyboard/bcm-keypad.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-)