| Message ID | 20240814-b4-cleanup-h-of-node-put-usb-v1-10-95481b9682bc@linaro.org |
|---|---|
| State | New |
| Headers | show |
| Series | usb: dwc3: various cleanups | expand |
On Wed, Aug 14, 2024, Krzysztof Kozlowski wrote: > Use devm_platform_ioremap_resource() wrapper instead of two calls, which > together with returning directly instead of useless goto, allows to > nicely simplify the probe() function. > > Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> > --- > drivers/usb/dwc3/dwc3-rtk.c | 33 ++++++++------------------------- > 1 file changed, 8 insertions(+), 25 deletions(-) > > diff --git a/drivers/usb/dwc3/dwc3-rtk.c b/drivers/usb/dwc3/dwc3-rtk.c > index 1e3ec2084286..b3db5cd9906e 100644 > --- a/drivers/usb/dwc3/dwc3-rtk.c > +++ b/drivers/usb/dwc3/dwc3-rtk.c > @@ -358,30 +358,18 @@ static int dwc3_rtk_probe(struct platform_device *pdev) > struct device *dev = &pdev->dev; > struct resource *res; > void __iomem *regs; > - int ret = 0; > > rtk = devm_kzalloc(dev, sizeof(*rtk), GFP_KERNEL); > - if (!rtk) { > - ret = -ENOMEM; > - goto out; > - } > + if (!rtk) > + return -ENOMEM; > > platform_set_drvdata(pdev, rtk); > > rtk->dev = dev; > > - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); > - if (!res) { > - dev_err(dev, "missing memory resource\n"); > - ret = -ENODEV; > - goto out; > - } > - > - regs = devm_ioremap_resource(dev, res); > - if (IS_ERR(regs)) { > - ret = PTR_ERR(regs); > - goto out; > - } > + regs = devm_platform_get_and_ioremap_resource(pdev, 0, &res); > + if (IS_ERR(regs)) > + return PTR_ERR(regs); > > rtk->regs = regs; > rtk->regs_size = resource_size(res); > @@ -389,16 +377,11 @@ static int dwc3_rtk_probe(struct platform_device *pdev) > res = platform_get_resource(pdev, IORESOURCE_MEM, 1); > if (res) { > rtk->pm_base = devm_ioremap_resource(dev, res); > - if (IS_ERR(rtk->pm_base)) { > - ret = PTR_ERR(rtk->pm_base); > - goto out; > - } > + if (IS_ERR(rtk->pm_base)) > + return PTR_ERR(rtk->pm_base); > } > > - ret = dwc3_rtk_probe_dwc3_core(rtk); > - > -out: > - return ret; > + return dwc3_rtk_probe_dwc3_core(rtk); > } > > static void dwc3_rtk_remove(struct platform_device *pdev) > > -- > 2.43.0 > Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com> Thanks, Thinh
diff --git a/drivers/usb/dwc3/dwc3-rtk.c b/drivers/usb/dwc3/dwc3-rtk.c index 1e3ec2084286..b3db5cd9906e 100644 --- a/drivers/usb/dwc3/dwc3-rtk.c +++ b/drivers/usb/dwc3/dwc3-rtk.c @@ -358,30 +358,18 @@ static int dwc3_rtk_probe(struct platform_device *pdev) struct device *dev = &pdev->dev; struct resource *res; void __iomem *regs; - int ret = 0; rtk = devm_kzalloc(dev, sizeof(*rtk), GFP_KERNEL); - if (!rtk) { - ret = -ENOMEM; - goto out; - } + if (!rtk) + return -ENOMEM; platform_set_drvdata(pdev, rtk); rtk->dev = dev; - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) { - dev_err(dev, "missing memory resource\n"); - ret = -ENODEV; - goto out; - } - - regs = devm_ioremap_resource(dev, res); - if (IS_ERR(regs)) { - ret = PTR_ERR(regs); - goto out; - } + regs = devm_platform_get_and_ioremap_resource(pdev, 0, &res); + if (IS_ERR(regs)) + return PTR_ERR(regs); rtk->regs = regs; rtk->regs_size = resource_size(res); @@ -389,16 +377,11 @@ static int dwc3_rtk_probe(struct platform_device *pdev) res = platform_get_resource(pdev, IORESOURCE_MEM, 1); if (res) { rtk->pm_base = devm_ioremap_resource(dev, res); - if (IS_ERR(rtk->pm_base)) { - ret = PTR_ERR(rtk->pm_base); - goto out; - } + if (IS_ERR(rtk->pm_base)) + return PTR_ERR(rtk->pm_base); } - ret = dwc3_rtk_probe_dwc3_core(rtk); - -out: - return ret; + return dwc3_rtk_probe_dwc3_core(rtk); } static void dwc3_rtk_remove(struct platform_device *pdev)
Use devm_platform_ioremap_resource() wrapper instead of two calls, which together with returning directly instead of useless goto, allows to nicely simplify the probe() function. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> --- drivers/usb/dwc3/dwc3-rtk.c | 33 ++++++++------------------------- 1 file changed, 8 insertions(+), 25 deletions(-)