phy: samsung: ufs: constify samsung_ufs_phy_cfg

Put const qualifier of samsung_ufs_phy_cfg pointer because they will
not be changed from drvdata.
Signed-off-by: Chanho Park <chanho61.park@samsung.com>
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220607072907.127000-4-chanho61.park@samsung.comSigned-off-by: Vinod Koul <vkoul@kernel.org>

drivers/phy/samsung/phy-samsung-ufs.c

@@ -75,7 +75,7 @@ static int samsung_ufs_phy_wait_for_lock_acq(struct phy *phy)
 static int samsung_ufs_phy_calibrate(struct phy *phy)
 {
 	struct samsung_ufs_phy *ufs_phy = get_samsung_ufs_phy(phy);
-	struct samsung_ufs_phy_cfg **cfgs = ufs_phy->cfgs;
+	const struct samsung_ufs_phy_cfg * const *cfgs = ufs_phy->cfgs;
 	const struct samsung_ufs_phy_cfg *cfg;
 	int err = 0;
 	int i;
@@ -327,7 +327,7 @@ static int samsung_ufs_phy_probe(struct platform_device *pdev)
 	drvdata = match->data;
 	phy->dev = dev;
 	phy->drvdata = drvdata;
-	phy->cfgs = (struct samsung_ufs_phy_cfg **)drvdata->cfgs;
+	phy->cfgs = drvdata->cfgs;
 	phy->isol = &drvdata->isol;
 	phy->lane_cnt = PHY_DEF_LANE_CNT;
 

drivers/phy/samsung/phy-samsung-ufs.h

@@ -121,7 +121,7 @@ struct samsung_ufs_phy {
 	struct clk *rx0_symbol_clk;
 	struct clk *rx1_symbol_clk;
 	const struct samsung_ufs_phy_drvdata *drvdata;
-	struct samsung_ufs_phy_cfg **cfgs;
+	const struct samsung_ufs_phy_cfg * const *cfgs;
 	const struct pmu_isol *isol;
 	u8 lane_cnt;
 	int ufs_phy_state;