| Message ID | 20240814-b4-cleanup-h-of-node-put-usb-v1-2-95481b9682bc@linaro.org |
|---|---|
| State | New |
| Headers | show |
| Series | usb: dwc3: various cleanups | expand |
On 8/14/24 12:35, Krzysztof Kozlowski wrote: > Use dev_err_probe() to make the error paths a bit simpler. > > Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> > --- > drivers/usb/dwc3/dwc3-st.c | 11 +++++------ > 1 file changed, 5 insertions(+), 6 deletions(-) > > diff --git a/drivers/usb/dwc3/dwc3-st.c b/drivers/usb/dwc3/dwc3-st.c > index 98f43d7082d7..7a0b1821768a 100644 > --- a/drivers/usb/dwc3/dwc3-st.c > +++ b/drivers/usb/dwc3/dwc3-st.c > @@ -237,10 +237,9 @@ static int st_dwc3_probe(struct platform_device *pdev) > > dwc3_data->rstc_pwrdn = > devm_reset_control_get_exclusive(dev, "powerdown"); > - if (IS_ERR(dwc3_data->rstc_pwrdn)) { > - dev_err(&pdev->dev, "could not get power controller\n"); > - return PTR_ERR(dwc3_data->rstc_pwrdn); > - } > + if (IS_ERR(dwc3_data->rstc_pwrdn)) > + return dev_err_probe(dev, PTR_ERR(dwc3_data->rstc_pwrdn), > + "could not get power controller\n"); > > /* Manage PowerDown */ > reset_control_deassert(dwc3_data->rstc_pwrdn); > @@ -248,8 +247,8 @@ static int st_dwc3_probe(struct platform_device *pdev) > dwc3_data->rstc_rst = > devm_reset_control_get_shared(dev, "softreset"); > if (IS_ERR(dwc3_data->rstc_rst)) { > - dev_err(&pdev->dev, "could not get reset controller\n"); > - ret = PTR_ERR(dwc3_data->rstc_rst); > + ret = dev_err_probe(dev, PTR_ERR(dwc3_data->rstc_rst), > + "could not get reset controller\n"); > goto undo_powerdown; > } > > Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com> Thanks Patrice
On Wed, Aug 14, 2024, Krzysztof Kozlowski wrote: > Use dev_err_probe() to make the error paths a bit simpler. I think it makes more sense to note that this helps with cases of -EPROBE_DEFER than making this simpler. Regardless, this is an improvement. Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com> Thanks, Thinh > > Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> > --- > drivers/usb/dwc3/dwc3-st.c | 11 +++++------ > 1 file changed, 5 insertions(+), 6 deletions(-) > > diff --git a/drivers/usb/dwc3/dwc3-st.c b/drivers/usb/dwc3/dwc3-st.c > index 98f43d7082d7..7a0b1821768a 100644 > --- a/drivers/usb/dwc3/dwc3-st.c > +++ b/drivers/usb/dwc3/dwc3-st.c > @@ -237,10 +237,9 @@ static int st_dwc3_probe(struct platform_device *pdev) > > dwc3_data->rstc_pwrdn = > devm_reset_control_get_exclusive(dev, "powerdown"); > - if (IS_ERR(dwc3_data->rstc_pwrdn)) { > - dev_err(&pdev->dev, "could not get power controller\n"); > - return PTR_ERR(dwc3_data->rstc_pwrdn); > - } > + if (IS_ERR(dwc3_data->rstc_pwrdn)) > + return dev_err_probe(dev, PTR_ERR(dwc3_data->rstc_pwrdn), > + "could not get power controller\n"); > > /* Manage PowerDown */ > reset_control_deassert(dwc3_data->rstc_pwrdn); > @@ -248,8 +247,8 @@ static int st_dwc3_probe(struct platform_device *pdev) > dwc3_data->rstc_rst = > devm_reset_control_get_shared(dev, "softreset"); > if (IS_ERR(dwc3_data->rstc_rst)) { > - dev_err(&pdev->dev, "could not get reset controller\n"); > - ret = PTR_ERR(dwc3_data->rstc_rst); > + ret = dev_err_probe(dev, PTR_ERR(dwc3_data->rstc_rst), > + "could not get reset controller\n"); > goto undo_powerdown; > } > > > -- > 2.43.0 >
On 27/08/2024 03:19, Thinh Nguyen wrote: > On Wed, Aug 14, 2024, Krzysztof Kozlowski wrote: >> Use dev_err_probe() to make the error paths a bit simpler. > > I think it makes more sense to note that this helps with cases of > -EPROBE_DEFER than making this simpler. Regardless, this is an > improvement. > > Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com> Yeah, I forgot about this argument. Getting resets can defer, so this actually solves the dmesg flood for deferred probes. Best regards, Krzysztof
diff --git a/drivers/usb/dwc3/dwc3-st.c b/drivers/usb/dwc3/dwc3-st.c index 98f43d7082d7..7a0b1821768a 100644 --- a/drivers/usb/dwc3/dwc3-st.c +++ b/drivers/usb/dwc3/dwc3-st.c @@ -237,10 +237,9 @@ static int st_dwc3_probe(struct platform_device *pdev) dwc3_data->rstc_pwrdn = devm_reset_control_get_exclusive(dev, "powerdown"); - if (IS_ERR(dwc3_data->rstc_pwrdn)) { - dev_err(&pdev->dev, "could not get power controller\n"); - return PTR_ERR(dwc3_data->rstc_pwrdn); - } + if (IS_ERR(dwc3_data->rstc_pwrdn)) + return dev_err_probe(dev, PTR_ERR(dwc3_data->rstc_pwrdn), + "could not get power controller\n"); /* Manage PowerDown */ reset_control_deassert(dwc3_data->rstc_pwrdn); @@ -248,8 +247,8 @@ static int st_dwc3_probe(struct platform_device *pdev) dwc3_data->rstc_rst = devm_reset_control_get_shared(dev, "softreset"); if (IS_ERR(dwc3_data->rstc_rst)) { - dev_err(&pdev->dev, "could not get reset controller\n"); - ret = PTR_ERR(dwc3_data->rstc_rst); + ret = dev_err_probe(dev, PTR_ERR(dwc3_data->rstc_rst), + "could not get reset controller\n"); goto undo_powerdown; }
Use dev_err_probe() to make the error paths a bit simpler. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> --- drivers/usb/dwc3/dwc3-st.c | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-)