On 2024/8/20 21:46, Alan Stern wrote: > On Tue, Aug 20, 2024 at 02:56:35PM +0800, Jinjie Ruan wrote: >> Use scoped for_each_available_child_of_node_scoped() when iterating over >> device nodes to make code a bit simpler. >> >> Signed-off-by: Jinjie Ruan <ruanjinjie@xxxxxxxxxx> >> --- >> drivers/usb/host/ehci-exynos.c | 9 ++------- >> drivers/usb/host/ohci-exynos.c | 9 ++------- >> 2 files changed, 4 insertions(+), 14 deletions(-) > > The patch changes ehci-exynos.c and ohci-exynos.c. So then why does the > Subject: line say "xhci"? git log --oneline drivers/usb/host/* shows this subject a lot, so adopt it. > > The contents of the patch look okay. > > Alan Stern > >> diff --git a/drivers/usb/host/ehci-exynos.c b/drivers/usb/host/ehci-exynos.c >> index f40bc2a7a124..e3a961d3f5fc 100644 >> --- a/drivers/usb/host/ehci-exynos.c >> +++ b/drivers/usb/host/ehci-exynos.c >> @@ -48,7 +48,6 @@ struct exynos_ehci_hcd { >> static int exynos_ehci_get_phy(struct device *dev, >> struct exynos_ehci_hcd *exynos_ehci) >> { >> - struct device_node *child; >> struct phy *phy; >> int phy_number, num_phys; >> int ret; >> @@ -66,26 +65,22 @@ static int exynos_ehci_get_phy(struct device *dev, >> return 0; >> >> /* Get PHYs using legacy bindings */ >> - for_each_available_child_of_node(dev->of_node, child) { >> + for_each_available_child_of_node_scoped(dev->of_node, child) { >> ret = of_property_read_u32(child, "reg", &phy_number); >> if (ret) { >> dev_err(dev, "Failed to parse device tree\n"); >> - of_node_put(child); >> return ret; >> } >> >> if (phy_number >= PHY_NUMBER) { >> dev_err(dev, "Invalid number of PHYs\n"); >> - of_node_put(child); >> return -EINVAL; >> } >> >> phy = devm_of_phy_optional_get(dev, child, NULL); >> exynos_ehci->phy[phy_number] = phy; >> - if (IS_ERR(phy)) { >> - of_node_put(child); >> + if (IS_ERR(phy)) >> return PTR_ERR(phy); >> - } >> } >> >> exynos_ehci->legacy_phy = true; >> diff --git a/drivers/usb/host/ohci-exynos.c b/drivers/usb/host/ohci-exynos.c >> index bfa2eba4e3a7..1379e03644b2 100644 >> --- a/drivers/usb/host/ohci-exynos.c >> +++ b/drivers/usb/host/ohci-exynos.c >> @@ -37,7 +37,6 @@ struct exynos_ohci_hcd { >> static int exynos_ohci_get_phy(struct device *dev, >> struct exynos_ohci_hcd *exynos_ohci) >> { >> - struct device_node *child; >> struct phy *phy; >> int phy_number, num_phys; >> int ret; >> @@ -55,26 +54,22 @@ static int exynos_ohci_get_phy(struct device *dev, >> return 0; >> >> /* Get PHYs using legacy bindings */ >> - for_each_available_child_of_node(dev->of_node, child) { >> + for_each_available_child_of_node_scoped(dev->of_node, child) { >> ret = of_property_read_u32(child, "reg", &phy_number); >> if (ret) { >> dev_err(dev, "Failed to parse device tree\n"); >> - of_node_put(child); >> return ret; >> } >> >> if (phy_number >= PHY_NUMBER) { >> dev_err(dev, "Invalid number of PHYs\n"); >> - of_node_put(child); >> return -EINVAL; >> } >> >> phy = devm_of_phy_optional_get(dev, child, NULL); >> exynos_ohci->phy[phy_number] = phy; >> - if (IS_ERR(phy)) { >> - of_node_put(child); >> + if (IS_ERR(phy)) >> return PTR_ERR(phy); >> - } >> } >> >> exynos_ohci->legacy_phy = true; >> -- >> 2.34.1 >>