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author | Vinod Koul <vkoul@kernel.org> | 2023-02-03 15:26:14 +0530 |
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committer | Vinod Koul <vkoul@kernel.org> | 2023-02-03 15:26:25 +0530 |
commit | cc94cc1c341811baa6b507fc0d4f2f66eac6e0ab (patch) | |
tree | 5eaf915f7144e6c96c2c3089cff352b99572e212 /drivers | |
parent | 05bd18348b8898aaeb894da6c8cbf9ae36599d0b (diff) | |
parent | 41a435e30eb007ca2c8f71db734af6ec3509af4d (diff) | |
download | linux-cc94cc1c341811baa6b507fc0d4f2f66eac6e0ab.tar.gz linux-cc94cc1c341811baa6b507fc0d4f2f66eac6e0ab.tar.bz2 linux-cc94cc1c341811baa6b507fc0d4f2f66eac6e0ab.zip |
Merge tag 'phy-devm_of_phy_optional_get' into next
Merge tag phy-devm_of_phy_optional_get into next to bring in the new
devm_of_phy_optional_get() API and users
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/net/ethernet/freescale/fman/fman_memac.c | 9 | ||||
-rw-r--r-- | drivers/net/ethernet/microchip/lan966x/lan966x_main.c | 5 | ||||
-rw-r--r-- | drivers/pci/controller/pci-tegra.c | 5 | ||||
-rw-r--r-- | drivers/phy/phy-core.c | 51 | ||||
-rw-r--r-- | drivers/usb/host/ehci-exynos.c | 23 | ||||
-rw-r--r-- | drivers/usb/host/ohci-exynos.c | 23 |
6 files changed, 49 insertions, 67 deletions
diff --git a/drivers/net/ethernet/freescale/fman/fman_memac.c b/drivers/net/ethernet/freescale/fman/fman_memac.c index 9349f841bd06..ddd9d13f1166 100644 --- a/drivers/net/ethernet/freescale/fman/fman_memac.c +++ b/drivers/net/ethernet/freescale/fman/fman_memac.c @@ -1152,13 +1152,12 @@ int memac_initialization(struct mac_device *mac_dev, else memac->sgmii_pcs = pcs; - memac->serdes = devm_of_phy_get(mac_dev->dev, mac_node, "serdes"); - err = PTR_ERR(memac->serdes); - if (err == -ENODEV || err == -ENOSYS) { + memac->serdes = devm_of_phy_optional_get(mac_dev->dev, mac_node, + "serdes"); + if (!memac->serdes) { dev_dbg(mac_dev->dev, "could not get (optional) serdes\n"); - memac->serdes = NULL; } else if (IS_ERR(memac->serdes)) { - dev_err_probe(mac_dev->dev, err, "could not get serdes\n"); + err = PTR_ERR(memac->serdes); goto _return_fm_mac_free; } diff --git a/drivers/net/ethernet/microchip/lan966x/lan966x_main.c b/drivers/net/ethernet/microchip/lan966x/lan966x_main.c index cadde20505ba..d64a525cdc9e 100644 --- a/drivers/net/ethernet/microchip/lan966x/lan966x_main.c +++ b/drivers/net/ethernet/microchip/lan966x/lan966x_main.c @@ -1147,9 +1147,8 @@ static int lan966x_probe(struct platform_device *pdev) lan966x->ports[p]->config.portmode = phy_mode; lan966x->ports[p]->fwnode = fwnode_handle_get(portnp); - serdes = devm_of_phy_get(lan966x->dev, to_of_node(portnp), NULL); - if (PTR_ERR(serdes) == -ENODEV) - serdes = NULL; + serdes = devm_of_phy_optional_get(lan966x->dev, + to_of_node(portnp), NULL); if (IS_ERR(serdes)) { err = PTR_ERR(serdes); goto cleanup_ports; diff --git a/drivers/pci/controller/pci-tegra.c b/drivers/pci/controller/pci-tegra.c index 929f9363e94b..5b8907c663e5 100644 --- a/drivers/pci/controller/pci-tegra.c +++ b/drivers/pci/controller/pci-tegra.c @@ -1330,12 +1330,9 @@ static struct phy *devm_of_phy_optional_get_index(struct device *dev, if (!name) return ERR_PTR(-ENOMEM); - phy = devm_of_phy_get(dev, np, name); + phy = devm_of_phy_optional_get(dev, np, name); kfree(name); - if (PTR_ERR(phy) == -ENODEV) - phy = NULL; - return phy; } diff --git a/drivers/phy/phy-core.c b/drivers/phy/phy-core.c index d93ddf1262c5..9951efc03eaa 100644 --- a/drivers/phy/phy-core.c +++ b/drivers/phy/phy-core.c @@ -767,27 +767,6 @@ struct phy *phy_get(struct device *dev, const char *string) EXPORT_SYMBOL_GPL(phy_get); /** - * phy_optional_get() - lookup and obtain a reference to an optional phy. - * @dev: device that requests this phy - * @string: the phy name as given in the dt data or the name of the controller - * port for non-dt case - * - * Returns the phy driver, after getting a refcount to it; or - * NULL if there is no such phy. The caller is responsible for - * calling phy_put() to release that count. - */ -struct phy *phy_optional_get(struct device *dev, const char *string) -{ - struct phy *phy = phy_get(dev, string); - - if (PTR_ERR(phy) == -ENODEV) - phy = NULL; - - return phy; -} -EXPORT_SYMBOL_GPL(phy_optional_get); - -/** * devm_phy_get() - lookup and obtain a reference to a phy. * @dev: device that requests this phy * @string: the phy name as given in the dt data or phy device name @@ -880,6 +859,36 @@ struct phy *devm_of_phy_get(struct device *dev, struct device_node *np, EXPORT_SYMBOL_GPL(devm_of_phy_get); /** + * devm_of_phy_optional_get() - lookup and obtain a reference to an optional + * phy. + * @dev: device that requests this phy + * @np: node containing the phy + * @con_id: name of the phy from device's point of view + * + * Gets the phy using of_phy_get(), and associates a device with it using + * devres. On driver detach, release function is invoked on the devres data, + * then, devres data is freed. This differs to devm_of_phy_get() in + * that if the phy does not exist, it is not considered an error and + * -ENODEV will not be returned. Instead the NULL phy is returned, + * which can be passed to all other phy consumer calls. + */ +struct phy *devm_of_phy_optional_get(struct device *dev, struct device_node *np, + const char *con_id) +{ + struct phy *phy = devm_of_phy_get(dev, np, con_id); + + if (PTR_ERR(phy) == -ENODEV) + phy = NULL; + + if (IS_ERR(phy)) + dev_err_probe(dev, PTR_ERR(phy), "failed to get PHY %pOF:%s", + np, con_id); + + return phy; +} +EXPORT_SYMBOL_GPL(devm_of_phy_optional_get); + +/** * devm_of_phy_get_by_index() - lookup and obtain a reference to a phy by index. * @dev: device that requests this phy * @np: node containing the phy diff --git a/drivers/usb/host/ehci-exynos.c b/drivers/usb/host/ehci-exynos.c index a333231616f4..47c9f06c3d84 100644 --- a/drivers/usb/host/ehci-exynos.c +++ b/drivers/usb/host/ehci-exynos.c @@ -80,19 +80,11 @@ static int exynos_ehci_get_phy(struct device *dev, return -EINVAL; } - phy = devm_of_phy_get(dev, child, NULL); + phy = devm_of_phy_optional_get(dev, child, NULL); exynos_ehci->phy[phy_number] = phy; if (IS_ERR(phy)) { - ret = PTR_ERR(phy); - if (ret == -EPROBE_DEFER) { - of_node_put(child); - return ret; - } else if (ret != -ENOSYS && ret != -ENODEV) { - dev_err(dev, - "Error retrieving usb2 phy: %d\n", ret); - of_node_put(child); - return ret; - } + of_node_put(child); + return PTR_ERR(phy); } } @@ -108,12 +100,10 @@ static int exynos_ehci_phy_enable(struct device *dev) int ret = 0; for (i = 0; ret == 0 && i < PHY_NUMBER; i++) - if (!IS_ERR(exynos_ehci->phy[i])) - ret = phy_power_on(exynos_ehci->phy[i]); + ret = phy_power_on(exynos_ehci->phy[i]); if (ret) for (i--; i >= 0; i--) - if (!IS_ERR(exynos_ehci->phy[i])) - phy_power_off(exynos_ehci->phy[i]); + phy_power_off(exynos_ehci->phy[i]); return ret; } @@ -125,8 +115,7 @@ static void exynos_ehci_phy_disable(struct device *dev) int i; for (i = 0; i < PHY_NUMBER; i++) - if (!IS_ERR(exynos_ehci->phy[i])) - phy_power_off(exynos_ehci->phy[i]); + phy_power_off(exynos_ehci->phy[i]); } static void exynos_setup_vbus_gpio(struct device *dev) diff --git a/drivers/usb/host/ohci-exynos.c b/drivers/usb/host/ohci-exynos.c index 8d7977fd5d3b..8af17c1ee5cc 100644 --- a/drivers/usb/host/ohci-exynos.c +++ b/drivers/usb/host/ohci-exynos.c @@ -69,19 +69,11 @@ static int exynos_ohci_get_phy(struct device *dev, return -EINVAL; } - phy = devm_of_phy_get(dev, child, NULL); + phy = devm_of_phy_optional_get(dev, child, NULL); exynos_ohci->phy[phy_number] = phy; if (IS_ERR(phy)) { - ret = PTR_ERR(phy); - if (ret == -EPROBE_DEFER) { - of_node_put(child); - return ret; - } else if (ret != -ENOSYS && ret != -ENODEV) { - dev_err(dev, - "Error retrieving usb2 phy: %d\n", ret); - of_node_put(child); - return ret; - } + of_node_put(child); + return PTR_ERR(phy); } } @@ -97,12 +89,10 @@ static int exynos_ohci_phy_enable(struct device *dev) int ret = 0; for (i = 0; ret == 0 && i < PHY_NUMBER; i++) - if (!IS_ERR(exynos_ohci->phy[i])) - ret = phy_power_on(exynos_ohci->phy[i]); + ret = phy_power_on(exynos_ohci->phy[i]); if (ret) for (i--; i >= 0; i--) - if (!IS_ERR(exynos_ohci->phy[i])) - phy_power_off(exynos_ohci->phy[i]); + phy_power_off(exynos_ohci->phy[i]); return ret; } @@ -114,8 +104,7 @@ static void exynos_ohci_phy_disable(struct device *dev) int i; for (i = 0; i < PHY_NUMBER; i++) - if (!IS_ERR(exynos_ohci->phy[i])) - phy_power_off(exynos_ohci->phy[i]); + phy_power_off(exynos_ohci->phy[i]); } static int exynos_ohci_probe(struct platform_device *pdev) |