| Message ID | 20221110154131.2577-1-m.szyprowski@samsung.com |
|---|---|
| State | New |
| Headers | show |
| Series | [v2] usb: dwc3: exynos: Fix remove() function | expand |
On Thu, 10 Nov 2022 at 16:41, Marek Szyprowski <m.szyprowski@samsung.com> wrote: > > The core DWC3 device node was not properly removed by the custom > dwc3_exynos_remove_child() function. Replace it with generic > of_platform_depopulate() which does that job right. > > Fixes: adcf20dcd262 ("usb: dwc3: exynos: Use of_platform API to create dwc3 core pdev") > Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> > Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com> > Cc: stable@vger.kernel.org > --- Reviewed-by: Sam Protsenko <semen.protsenko@linaro.org> > drivers/usb/dwc3/dwc3-exynos.c | 11 +---------- > 1 file changed, 1 insertion(+), 10 deletions(-) > > diff --git a/drivers/usb/dwc3/dwc3-exynos.c b/drivers/usb/dwc3/dwc3-exynos.c > index 0ecf20eeceee..4be6a873bd07 100644 > --- a/drivers/usb/dwc3/dwc3-exynos.c > +++ b/drivers/usb/dwc3/dwc3-exynos.c > @@ -37,15 +37,6 @@ struct dwc3_exynos { > struct regulator *vdd10; > }; > > -static int dwc3_exynos_remove_child(struct device *dev, void *unused) > -{ > - struct platform_device *pdev = to_platform_device(dev); > - > - platform_device_unregister(pdev); > - > - return 0; > -} > - > static int dwc3_exynos_probe(struct platform_device *pdev) > { > struct dwc3_exynos *exynos; > @@ -142,7 +133,7 @@ static int dwc3_exynos_remove(struct platform_device *pdev) > struct dwc3_exynos *exynos = platform_get_drvdata(pdev); > int i; > > - device_for_each_child(&pdev->dev, NULL, dwc3_exynos_remove_child); > + of_platform_depopulate(&pdev->dev); > > for (i = exynos->num_clks - 1; i >= 0; i--) > clk_disable_unprepare(exynos->clks[i]); > -- > 2.17.1 >
diff --git a/drivers/usb/dwc3/dwc3-exynos.c b/drivers/usb/dwc3/dwc3-exynos.c index 0ecf20eeceee..4be6a873bd07 100644 --- a/drivers/usb/dwc3/dwc3-exynos.c +++ b/drivers/usb/dwc3/dwc3-exynos.c @@ -37,15 +37,6 @@ struct dwc3_exynos { struct regulator *vdd10; }; -static int dwc3_exynos_remove_child(struct device *dev, void *unused) -{ - struct platform_device *pdev = to_platform_device(dev); - - platform_device_unregister(pdev); - - return 0; -} - static int dwc3_exynos_probe(struct platform_device *pdev) { struct dwc3_exynos *exynos; @@ -142,7 +133,7 @@ static int dwc3_exynos_remove(struct platform_device *pdev) struct dwc3_exynos *exynos = platform_get_drvdata(pdev); int i; - device_for_each_child(&pdev->dev, NULL, dwc3_exynos_remove_child); + of_platform_depopulate(&pdev->dev); for (i = exynos->num_clks - 1; i >= 0; i--) clk_disable_unprepare(exynos->clks[i]);
The core DWC3 device node was not properly removed by the custom dwc3_exynos_remove_child() function. Replace it with generic of_platform_depopulate() which does that job right. Fixes: adcf20dcd262 ("usb: dwc3: exynos: Use of_platform API to create dwc3 core pdev") Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com> Cc: stable@vger.kernel.org --- drivers/usb/dwc3/dwc3-exynos.c | 11 +---------- 1 file changed, 1 insertion(+), 10 deletions(-)