phy: constify of_phandle_args in xlate

The xlate callbacks are supposed to translate of_phandle_args to proper
provider without modifying the of_phandle_args.  Make the argument
pointer to const for code safety and readability.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Thierry Reding <treding@nvidia.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Florian Fainelli <florian.fainelli@broadcom.com> #Broadcom
Link: https://lore.kernel.org/r/20240217093937.58234-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>

drivers/phy/allwinner/phy-sun4i-usb.c

@@ -683,7 +683,7 @@ static int sun4i_usb_phy0_vbus_notify(struct notifier_block *nb,
 }
 
 static struct phy *sun4i_usb_phy_xlate(struct device *dev,
-					struct of_phandle_args *args)
+					const struct of_phandle_args *args)
 {
 	struct sun4i_usb_phy_data *data = dev_get_drvdata(dev);
 

drivers/phy/amlogic/phy-meson-g12a-usb3-pcie.c

@@ -350,7 +350,7 @@ static int phy_g12a_usb3_pcie_exit(struct phy *phy)
 }
 
 static struct phy *phy_g12a_usb3_pcie_xlate(struct device *dev,
-					    struct of_phandle_args *args)
+					    const struct of_phandle_args *args)
 {
 	struct phy_g12a_usb3_pcie_priv *priv = dev_get_drvdata(dev);
 	unsigned int mode;

drivers/phy/broadcom/phy-bcm-sr-pcie.c

@@ -195,7 +195,7 @@ static const struct phy_ops sr_paxc_phy_ops = {
 };
 
 static struct phy *sr_pcie_phy_xlate(struct device *dev,
-				     struct of_phandle_args *args)
+				     const struct of_phandle_args *args)
 {
 	struct sr_pcie_phy_core *core;
 	int phy_idx;

drivers/phy/broadcom/phy-bcm-sr-usb.c

@@ -209,7 +209,7 @@ static const struct phy_ops sr_phy_ops = {
 };
 
 static struct phy *bcm_usb_phy_xlate(struct device *dev,
-				     struct of_phandle_args *args)
+				     const struct of_phandle_args *args)
 {
 	struct bcm_usb_phy_cfg *phy_cfg;
 	int phy_idx;

drivers/phy/broadcom/phy-bcm63xx-usbh.c

@@ -366,7 +366,7 @@ static const struct phy_ops bcm63xx_usbh_phy_ops = {
 };
 
 static struct phy *bcm63xx_usbh_phy_xlate(struct device *dev,
-					  struct of_phandle_args *args)
+					  const struct of_phandle_args *args)
 {
 	struct bcm63xx_usbh_phy *usbh = dev_get_drvdata(dev);
 

drivers/phy/broadcom/phy-brcm-usb.c

@@ -175,7 +175,7 @@ static const struct phy_ops brcm_usb_phy_ops = {
 };
 
 static struct phy *brcm_usb_phy_xlate(struct device *dev,
-				      struct of_phandle_args *args)
+				      const struct of_phandle_args *args)
 {
 	struct brcm_usb_phy_data *data = dev_get_drvdata(dev);
 

drivers/phy/freescale/phy-fsl-imx8qm-lvds-phy.c

@@ -294,7 +294,7 @@ static int mixel_lvds_phy_reset(struct device *dev)
 }
 
 static struct phy *mixel_lvds_phy_xlate(struct device *dev,
-					struct of_phandle_args *args)
+					const struct of_phandle_args *args)
 {
 	struct mixel_lvds_phy_priv *priv = dev_get_drvdata(dev);
 	unsigned int phy_id;

drivers/phy/freescale/phy-fsl-lynx-28g.c

@@ -556,7 +556,7 @@ static void lynx_28g_lane_read_configuration(struct lynx_28g_lane *lane)
 }
 
 static struct phy *lynx_28g_xlate(struct device *dev,
-				  struct of_phandle_args *args)
+				  const struct of_phandle_args *args)
 {
 	struct lynx_28g_priv *priv = dev_get_drvdata(dev);
 	int idx = args->args[0];

drivers/phy/hisilicon/phy-histb-combphy.c

@@ -163,7 +163,7 @@ static const struct phy_ops histb_combphy_ops = {
 };
 
 static struct phy *histb_combphy_xlate(struct device *dev,
-				       struct of_phandle_args *args)
+				       const struct of_phandle_args *args)
 {
 	struct histb_combphy_priv *priv = dev_get_drvdata(dev);
 	struct histb_combphy_mode *mode = &priv->mode;

drivers/phy/intel/phy-intel-lgm-combo.c

@@ -508,7 +508,7 @@ static const struct phy_ops intel_cbphy_ops = {
 };
 
 static struct phy *intel_cbphy_xlate(struct device *dev,
-				     struct of_phandle_args *args)
+				     const struct of_phandle_args *args)
 {
 	struct intel_combo_phy *cbphy = dev_get_drvdata(dev);
 	u32 iphy_id;

drivers/phy/lantiq/phy-lantiq-vrx200-pcie.c

@@ -358,7 +358,7 @@ static const struct phy_ops ltq_vrx200_pcie_phy_ops = {
 };
 
 static struct phy *ltq_vrx200_pcie_phy_xlate(struct device *dev,
-					     struct of_phandle_args *args)
+					     const struct of_phandle_args *args)
 {
 	struct ltq_vrx200_pcie_phy_priv *priv = dev_get_drvdata(dev);
 	unsigned int mode;

drivers/phy/marvell/phy-armada375-usb2.c

@@ -61,7 +61,7 @@ static const struct phy_ops armada375_usb_phy_ops = {
  * USB3 case it still optional and we use ENODEV.
  */
 static struct phy *armada375_usb_phy_xlate(struct device *dev,
-					struct of_phandle_args *args)
+					const struct of_phandle_args *args)
 {
 	struct armada375_cluster_phy *cluster_phy = dev_get_drvdata(dev);
 

drivers/phy/marvell/phy-armada38x-comphy.c

@@ -160,7 +160,7 @@ static const struct phy_ops a38x_comphy_ops = {
 };
 
 static struct phy *a38x_comphy_xlate(struct device *dev,
-				     struct of_phandle_args *args)
+				     const struct of_phandle_args *args)
 {
 	struct a38x_comphy_lane *lane;
 	struct phy *phy;

drivers/phy/marvell/phy-berlin-sata.c

@@ -155,7 +155,7 @@ static int phy_berlin_sata_power_off(struct phy *phy)
 }
 
 static struct phy *phy_berlin_sata_phy_xlate(struct device *dev,
-					     struct of_phandle_args *args)
+					     const struct of_phandle_args *args)
 {
 	struct phy_berlin_priv *priv = dev_get_drvdata(dev);
 	int i;

drivers/phy/marvell/phy-mvebu-a3700-comphy.c

@@ -1213,7 +1213,7 @@ static const struct phy_ops mvebu_a3700_comphy_ops = {
 };
 
 static struct phy *mvebu_a3700_comphy_xlate(struct device *dev,
-					    struct of_phandle_args *args)
+					    const struct of_phandle_args *args)
 {
 	struct mvebu_a3700_comphy_lane *lane;
 	unsigned int port;

drivers/phy/marvell/phy-mvebu-cp110-comphy.c

@@ -917,7 +917,7 @@ static const struct phy_ops mvebu_comphy_ops = {
 };
 
 static struct phy *mvebu_comphy_xlate(struct device *dev,
-				      struct of_phandle_args *args)
+				      const struct of_phandle_args *args)
 {
 	struct mvebu_comphy_lane *lane;
 	struct phy *phy;

drivers/phy/mediatek/phy-mtk-mipi-csi-0-5.c

@@ -165,7 +165,7 @@ static int mtk_mipi_phy_power_off(struct phy *phy)
 }
 
 static struct phy *mtk_mipi_cdphy_xlate(struct device *dev,
-					struct of_phandle_args *args)
+					const struct of_phandle_args *args)
 {
 	struct mtk_mipi_cdphy_port *priv = dev_get_drvdata(dev);
 

drivers/phy/mediatek/phy-mtk-tphy.c

@@ -1467,7 +1467,7 @@ static int mtk_phy_set_mode(struct phy *phy, enum phy_mode mode, int submode)
 }
 
 static struct phy *mtk_phy_xlate(struct device *dev,
-					struct of_phandle_args *args)
+					const struct of_phandle_args *args)
 {
 	struct mtk_tphy *tphy = dev_get_drvdata(dev);
 	struct mtk_phy_instance *instance = NULL;

drivers/phy/mediatek/phy-mtk-xsphy.c

@@ -378,7 +378,7 @@ static int mtk_phy_set_mode(struct phy *phy, enum phy_mode mode, int submode)
 }
 
 static struct phy *mtk_phy_xlate(struct device *dev,
-				 struct of_phandle_args *args)
+				 const struct of_phandle_args *args)
 {
 	struct mtk_xsphy *xsphy = dev_get_drvdata(dev);
 	struct xsphy_instance *inst = NULL;

drivers/phy/microchip/lan966x_serdes.c

@@ -516,7 +516,7 @@ static const struct phy_ops serdes_ops = {
 };
 
 static struct phy *serdes_simple_xlate(struct device *dev,
-				       struct of_phandle_args *args)
+				       const struct of_phandle_args *args)
 {
 	struct serdes_ctrl *ctrl = dev_get_drvdata(dev);
 	unsigned int port, idx, i;

drivers/phy/microchip/sparx5_serdes.c

@@ -2509,7 +2509,7 @@ static struct sparx5_serdes_io_resource sparx5_serdes_iomap[] =  {
 
 /* Client lookup function, uses serdes index */
 static struct phy *sparx5_serdes_xlate(struct device *dev,
-				     struct of_phandle_args *args)
+				     const struct of_phandle_args *args)
 {
 	struct sparx5_serdes_private *priv = dev_get_drvdata(dev);
 	int idx;

drivers/phy/mscc/phy-ocelot-serdes.c

@@ -441,7 +441,7 @@ static const struct phy_ops serdes_ops = {
 };
 
 static struct phy *serdes_simple_xlate(struct device *dev,
-				       struct of_phandle_args *args)
+				       const struct of_phandle_args *args)
 {
 	struct serdes_ctrl *ctrl = dev_get_drvdata(dev);
 	unsigned int port, idx, i;

drivers/phy/phy-core.c

@@ -700,8 +700,8 @@ EXPORT_SYMBOL_GPL(devm_phy_put);
  * should provide a custom of_xlate function that reads the *args* and returns
  * the appropriate phy.
  */
-struct phy *of_phy_simple_xlate(struct device *dev, struct of_phandle_args
+struct phy *of_phy_simple_xlate(struct device *dev,
-	*args)
+				const struct of_phandle_args *args)
 {
 	struct phy *phy;
 	struct class_dev_iter iter;
@@ -1095,7 +1095,7 @@ EXPORT_SYMBOL_GPL(devm_phy_destroy);
 struct phy_provider *__of_phy_provider_register(struct device *dev,
 	struct device_node *children, struct module *owner,
 	struct phy * (*of_xlate)(struct device *dev,
-				 struct of_phandle_args *args))
+				 const struct of_phandle_args *args))
 {
 	struct phy_provider *phy_provider;
 
@@ -1158,7 +1158,7 @@ EXPORT_SYMBOL_GPL(__of_phy_provider_register);
 struct phy_provider *__devm_of_phy_provider_register(struct device *dev,
 	struct device_node *children, struct module *owner,
 	struct phy * (*of_xlate)(struct device *dev,
-				 struct of_phandle_args *args))
+				 const struct of_phandle_args *args))
 {
 	struct phy_provider **ptr, *phy_provider;
 

drivers/phy/phy-xgene.c

@@ -1611,7 +1611,7 @@ static const struct phy_ops xgene_phy_ops = {
 };
 
 static struct phy *xgene_phy_xlate(struct device *dev,
-				   struct of_phandle_args *args)
+				   const struct of_phandle_args *args)
 {
 	struct xgene_phy_ctx *ctx = dev_get_drvdata(dev);
 

drivers/phy/qualcomm/phy-qcom-qmp-combo.c

@@ -3454,7 +3454,7 @@ static int qmp_combo_parse_dt(struct qmp_combo *qmp)
 	return 0;
 }
 
-static struct phy *qmp_combo_phy_xlate(struct device *dev, struct of_phandle_args *args)
+static struct phy *qmp_combo_phy_xlate(struct device *dev, const struct of_phandle_args *args)
 {
 	struct qmp_combo *qmp = dev_get_drvdata(dev);
 

drivers/phy/ralink/phy-mt7621-pci.c

@@ -263,7 +263,7 @@ static const struct phy_ops mt7621_pci_phy_ops = {
 };
 
 static struct phy *mt7621_pcie_phy_of_xlate(struct device *dev,
-					    struct of_phandle_args *args)
+					    const struct of_phandle_args *args)
 {
 	struct mt7621_pci_phy *mt7621_phy = dev_get_drvdata(dev);
 

drivers/phy/renesas/phy-rcar-gen2.c

@@ -306,7 +306,7 @@ static const struct of_device_id rcar_gen2_phy_match_table[] = {
 MODULE_DEVICE_TABLE(of, rcar_gen2_phy_match_table);
 
 static struct phy *rcar_gen2_phy_xlate(struct device *dev,
-				       struct of_phandle_args *args)
+				       const struct of_phandle_args *args)
 {
 	struct rcar_gen2_phy_driver *drv;
 	struct device_node *np = args->np;

drivers/phy/renesas/phy-rcar-gen3-usb2.c

@@ -608,7 +608,7 @@ static const unsigned int rcar_gen3_phy_cable[] = {
 };
 
 static struct phy *rcar_gen3_phy_usb2_xlate(struct device *dev,
-					    struct of_phandle_args *args)
+					    const struct of_phandle_args *args)
 {
 	struct rcar_gen3_chan *ch = dev_get_drvdata(dev);
 

drivers/phy/renesas/r8a779f0-ether-serdes.c

@@ -334,7 +334,7 @@ static const struct phy_ops r8a779f0_eth_serdes_ops = {
 };
 
 static struct phy *r8a779f0_eth_serdes_xlate(struct device *dev,
-					     struct of_phandle_args *args)
+					     const struct of_phandle_args *args)
 {
 	struct r8a779f0_eth_serdes_drv_data *dd = dev_get_drvdata(dev);
 

drivers/phy/rockchip/phy-rockchip-naneng-combphy.c

@@ -251,7 +251,7 @@ static const struct phy_ops rochchip_combphy_ops = {
 	.owner = THIS_MODULE,
 };
 
-static struct phy *rockchip_combphy_xlate(struct device *dev, struct of_phandle_args *args)
+static struct phy *rockchip_combphy_xlate(struct device *dev, const struct of_phandle_args *args)
 {
 	struct rockchip_combphy_priv *priv = dev_get_drvdata(dev);
 

drivers/phy/rockchip/phy-rockchip-pcie.c

@@ -82,7 +82,7 @@ static struct rockchip_pcie_phy *to_pcie_phy(struct phy_pcie_instance *inst)
 }
 
 static struct phy *rockchip_pcie_phy_of_xlate(struct device *dev,
-					      struct of_phandle_args *args)
+					      const struct of_phandle_args *args)
 {
 	struct rockchip_pcie_phy *rk_phy = dev_get_drvdata(dev);
 

drivers/phy/samsung/phy-exynos-mipi-video.c

@@ -274,7 +274,7 @@ static int exynos_mipi_video_phy_power_off(struct phy *phy)
 }
 
 static struct phy *exynos_mipi_video_phy_xlate(struct device *dev,
-					struct of_phandle_args *args)
+					const struct of_phandle_args *args)
 {
 	struct exynos_mipi_video_phy *state = dev_get_drvdata(dev);
 

drivers/phy/samsung/phy-exynos5-usbdrd.c

@@ -715,7 +715,7 @@ static int exynos5420_usbdrd_phy_calibrate(struct exynos5_usbdrd_phy *phy_drd)
 }
 
 static struct phy *exynos5_usbdrd_phy_xlate(struct device *dev,
-					struct of_phandle_args *args)
+					const struct of_phandle_args *args)
 {
 	struct exynos5_usbdrd_phy *phy_drd = dev_get_drvdata(dev);
 

drivers/phy/samsung/phy-samsung-usb2.c

@@ -87,7 +87,7 @@ static const struct phy_ops samsung_usb2_phy_ops = {
 };
 
 static struct phy *samsung_usb2_phy_xlate(struct device *dev,
-					struct of_phandle_args *args)
+					const struct of_phandle_args *args)
 {
 	struct samsung_usb2_phy_driver *drv;
 

drivers/phy/socionext/phy-uniphier-usb2.c

@@ -81,7 +81,7 @@ static int uniphier_u2phy_init(struct phy *phy)
 }
 
 static struct phy *uniphier_u2phy_xlate(struct device *dev,
-					struct of_phandle_args *args)
+					const struct of_phandle_args *args)
 {
 	struct uniphier_u2phy_priv *priv = dev_get_drvdata(dev);
 

drivers/phy/st/phy-miphy28lp.c

@@ -1074,7 +1074,7 @@ static int miphy28lp_get_addr(struct miphy28lp_phy *miphy_phy)
 }
 
 static struct phy *miphy28lp_xlate(struct device *dev,
-				   struct of_phandle_args *args)
+				   const struct of_phandle_args *args)
 {
 	struct miphy28lp_dev *miphy_dev = dev_get_drvdata(dev);
 	struct miphy28lp_phy *miphy_phy = NULL;

drivers/phy/st/phy-spear1310-miphy.c

@@ -183,7 +183,7 @@ static const struct phy_ops spear1310_miphy_ops = {
 };
 
 static struct phy *spear1310_miphy_xlate(struct device *dev,
-					 struct of_phandle_args *args)
+					 const struct of_phandle_args *args)
 {
 	struct spear1310_miphy_priv *priv = dev_get_drvdata(dev);
 

drivers/phy/st/phy-spear1340-miphy.c

@@ -220,7 +220,7 @@ static SIMPLE_DEV_PM_OPS(spear1340_miphy_pm_ops, spear1340_miphy_suspend,
 			 spear1340_miphy_resume);
 
 static struct phy *spear1340_miphy_xlate(struct device *dev,
-					 struct of_phandle_args *args)
+					 const struct of_phandle_args *args)
 {
 	struct spear1340_miphy_priv *priv = dev_get_drvdata(dev);
 

drivers/phy/st/phy-stm32-usbphyc.c

@@ -574,7 +574,7 @@ static void stm32_usbphyc_switch_setup(struct stm32_usbphyc *usbphyc,
 }
 
 static struct phy *stm32_usbphyc_of_xlate(struct device *dev,
-					  struct of_phandle_args *args)
+					  const struct of_phandle_args *args)
 {
 	struct stm32_usbphyc *usbphyc = dev_get_drvdata(dev);
 	struct stm32_usbphyc_phy *usbphyc_phy = NULL;

drivers/phy/tegra/xusb.c

@@ -22,7 +22,7 @@
 #include "xusb.h"
 
 static struct phy *tegra_xusb_pad_of_xlate(struct device *dev,
-					   struct of_phandle_args *args)
+					   const struct of_phandle_args *args)
 {
 	struct tegra_xusb_pad *pad = dev_get_drvdata(dev);
 	struct phy *phy = NULL;

drivers/phy/ti/phy-am654-serdes.c

@@ -495,7 +495,7 @@ static void serdes_am654_release(struct phy *x)
 }
 
 static struct phy *serdes_am654_xlate(struct device *dev,
-				      struct of_phandle_args *args)
+				      const struct of_phandle_args *args)
 {
 	struct serdes_am654 *am654_phy;
 	struct phy *phy;

drivers/phy/ti/phy-da8xx-usb.c

@@ -119,7 +119,7 @@ static const struct phy_ops da8xx_usb20_phy_ops = {
 };
 
 static struct phy *da8xx_usb_phy_of_xlate(struct device *dev,
-					 struct of_phandle_args *args)
+					 const struct of_phandle_args *args)
 {
 	struct da8xx_usb_phy *d_phy = dev_get_drvdata(dev);
 

drivers/phy/ti/phy-gmii-sel.c

@@ -297,7 +297,7 @@ static const struct phy_ops phy_gmii_sel_ops = {
 };
 
 static struct phy *phy_gmii_sel_of_xlate(struct device *dev,
-					 struct of_phandle_args *args)
+					 const struct of_phandle_args *args)
 {
 	struct phy_gmii_sel_priv *priv = dev_get_drvdata(dev);
 	int phy_id = args->args[0];

drivers/phy/xilinx/phy-zynqmp.c

@@ -768,7 +768,7 @@ static const unsigned int icm_matrix[NUM_LANES][CONTROLLERS_PER_LANE] = {
 
 /* Translate OF phandle and args to PHY instance. */
 static struct phy *xpsgtr_xlate(struct device *dev,
-				struct of_phandle_args *args)
+				const struct of_phandle_args *args)
 {
 	struct xpsgtr_dev *gtr_dev = dev_get_drvdata(dev);
 	struct xpsgtr_phy *gtr_phy;

drivers/pinctrl/tegra/pinctrl-tegra-xusb.c

@@ -685,7 +685,7 @@ static const struct phy_ops sata_phy_ops = {
 };
 
 static struct phy *tegra_xusb_padctl_xlate(struct device *dev,
-					   struct of_phandle_args *args)
+					   const struct of_phandle_args *args)
 {
 	struct tegra_xusb_padctl *padctl = dev_get_drvdata(dev);
 	unsigned int index = args->args[0];

include/linux/phy/phy.h

@@ -176,7 +176,7 @@ struct phy_provider {
 	struct module		*owner;
 	struct list_head	list;
 	struct phy * (*of_xlate)(struct device *dev,
-		struct of_phandle_args *args);
+				 const struct of_phandle_args *args);
 };
 
 /**
@@ -265,7 +265,7 @@ void phy_put(struct device *dev, struct phy *phy);
 void devm_phy_put(struct device *dev, struct phy *phy);
 struct phy *of_phy_get(struct device_node *np, const char *con_id);
 struct phy *of_phy_simple_xlate(struct device *dev,
-	struct of_phandle_args *args);
+				const struct of_phandle_args *args);
 struct phy *phy_create(struct device *dev, struct device_node *node,
 		       const struct phy_ops *ops);
 struct phy *devm_phy_create(struct device *dev, struct device_node *node,
@@ -275,11 +275,11 @@ void devm_phy_destroy(struct device *dev, struct phy *phy);
 struct phy_provider *__of_phy_provider_register(struct device *dev,
 	struct device_node *children, struct module *owner,
 	struct phy * (*of_xlate)(struct device *dev,
-				 struct of_phandle_args *args));
+				 const struct of_phandle_args *args));
 struct phy_provider *__devm_of_phy_provider_register(struct device *dev,
 	struct device_node *children, struct module *owner,
 	struct phy * (*of_xlate)(struct device *dev,
-				 struct of_phandle_args *args));
+				 const struct of_phandle_args *args));
 void of_phy_provider_unregister(struct phy_provider *phy_provider);
 void devm_of_phy_provider_unregister(struct device *dev,
 	struct phy_provider *phy_provider);
@@ -479,7 +479,7 @@ static inline struct phy *of_phy_get(struct device_node *np, const char *con_id)
 }
 
 static inline struct phy *of_phy_simple_xlate(struct device *dev,
-	struct of_phandle_args *args)
+					      const struct of_phandle_args *args)
 {
 	return ERR_PTR(-ENOSYS);
 }
@@ -509,7 +509,7 @@ static inline void devm_phy_destroy(struct device *dev, struct phy *phy)
 static inline struct phy_provider *__of_phy_provider_register(
 	struct device *dev, struct device_node *children, struct module *owner,
 	struct phy * (*of_xlate)(struct device *dev,
-				 struct of_phandle_args *args))
+				 const struct of_phandle_args *args))
 {
 	return ERR_PTR(-ENOSYS);
 }
@@ -517,7 +517,7 @@ static inline struct phy_provider *__of_phy_provider_register(
 static inline struct phy_provider *__devm_of_phy_provider_register(struct device
 	*dev, struct device_node *children, struct module *owner,
 	struct phy * (*of_xlate)(struct device *dev,
-				 struct of_phandle_args *args))
+				 const struct of_phandle_args *args))
 {
 	return ERR_PTR(-ENOSYS);
 }