RE: [PATCH v4 4/5] phy: samsung: ufs: remove drvdata from struct samsung_ufs_phy

["Alim Akhtar" <alim.akhtar@samsung.com>]

>-----Original Message-----
>From: Chanho Park [mailto:chanho61.park@samsung.com]
>Sent: Tuesday, June 7, 2022 12:59 PM
>To: Kishon Vijay Abraham I <kishon@ti.com>; Vinod Koul
><vkoul@kernel.org>; Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>;
>Alim Akhtar <alim.akhtar@samsung.com>; Rob Herring
><robh+dt@kernel.org>; Krzysztof Kozlowski
><krzysztof.kozlowski+dt@linaro.org>
>Cc: devicetree@vger.kernel.org; linux-phy@lists.infradead.org; linux-
>samsung-soc@vger.kernel.org; linux-arm-kernel@lists.infradead.org; Chanho
>Park <chanho61.park@samsung.com>
>Subject: [PATCH v4 4/5] phy: samsung: ufs: remove drvdata from struct
>samsung_ufs_phy
>
>To change an offset of pmu_isol, we need to store its data instead of having
>drvdata's pointer. The definition of the pmu_isol structure should be
>extracted from samsung_ufs_phy_drvdata and rename the name with
>samsung_ufs_phy_ prefix.
>
>Suggested-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
>Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
>Signed-off-by: Chanho Park <chanho61.park@samsung.com>
>---

Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>


> drivers/phy/samsung/phy-samsung-ufs.c |  9 +++++----
>drivers/phy/samsung/phy-samsung-ufs.h | 19 +++++++++++--------
> 2 files changed, 16 insertions(+), 12 deletions(-)
>
>diff --git a/drivers/phy/samsung/phy-samsung-ufs.c
>b/drivers/phy/samsung/phy-samsung-ufs.c
>index cd1c02d2cdda..0c933e364064 100644
>--- a/drivers/phy/samsung/phy-samsung-ufs.c
>+++ b/drivers/phy/samsung/phy-samsung-ufs.c
>@@ -207,7 +207,7 @@ static int samsung_ufs_phy_init(struct phy *phy)
> 	ss_phy->lane_cnt = phy->attrs.bus_width;
> 	ss_phy->ufs_phy_state = CFG_PRE_INIT;
>
>-	if (ss_phy->drvdata->has_symbol_clk) {
>+	if (ss_phy->has_symbol_clk) {
> 		ret = samsung_ufs_phy_symbol_clk_init(ss_phy);
> 		if (ret)
> 			dev_err(ss_phy->dev, "failed to set ufs phy symbol
>clocks\n"); @@ -259,7 +259,7 @@ static int samsung_ufs_phy_exit(struct phy
>*phy)
>
> 	clk_disable_unprepare(ss_phy->ref_clk);
>
>-	if (ss_phy->drvdata->has_symbol_clk) {
>+	if (ss_phy->has_symbol_clk) {
> 		clk_disable_unprepare(ss_phy->tx0_symbol_clk);
> 		clk_disable_unprepare(ss_phy->rx0_symbol_clk);
> 		clk_disable_unprepare(ss_phy->rx1_symbol_clk);
>@@ -326,9 +326,10 @@ static int samsung_ufs_phy_probe(struct
>platform_device *pdev)
>
> 	drvdata = match->data;
> 	phy->dev = dev;
>-	phy->drvdata = drvdata;
> 	phy->cfgs = drvdata->cfgs;
>-	phy->isol = &drvdata->isol;
>+	phy->has_symbol_clk = drvdata->has_symbol_clk;
>+	memcpy(&phy->isol, &drvdata->isol, sizeof(phy->isol));
>+
> 	phy->lane_cnt = PHY_DEF_LANE_CNT;
>
> 	phy_set_drvdata(gen_phy, phy);
>diff --git a/drivers/phy/samsung/phy-samsung-ufs.h
>b/drivers/phy/samsung/phy-samsung-ufs.h
>index 5cd919539a3e..854b53bdf347 100644
>--- a/drivers/phy/samsung/phy-samsung-ufs.h
>+++ b/drivers/phy/samsung/phy-samsung-ufs.h
>@@ -101,13 +101,15 @@ struct samsung_ufs_phy_cfg {
> 	u8 id;
> };
>
>+struct samsung_ufs_phy_pmu_isol {
>+	u32 offset;
>+	u32 mask;
>+	u32 en;
>+};
>+
> struct samsung_ufs_phy_drvdata {
> 	const struct samsung_ufs_phy_cfg **cfgs;
>-	struct pmu_isol {
>-		u32 offset;
>-		u32 mask;
>-		u32 en;
>-	} isol;
>+	struct samsung_ufs_phy_pmu_isol isol;
> 	bool has_symbol_clk;
> };
>
>@@ -122,7 +124,8 @@ struct samsung_ufs_phy {
> 	struct clk *rx1_symbol_clk;
> 	const struct samsung_ufs_phy_drvdata *drvdata;
> 	const struct samsung_ufs_phy_cfg * const *cfgs;
>-	const struct pmu_isol *isol;
>+	struct samsung_ufs_phy_pmu_isol isol;
>+	bool has_symbol_clk;
> 	u8 lane_cnt;
> 	int ufs_phy_state;
> 	enum phy_mode mode;
>@@ -136,8 +139,8 @@ static inline struct samsung_ufs_phy
>*get_samsung_ufs_phy(struct phy *phy)  static inline void
>samsung_ufs_phy_ctrl_isol(
> 		struct samsung_ufs_phy *phy, u32 isol)  {
>-	regmap_update_bits(phy->reg_pmu, phy->isol->offset,
>-			   phy->isol->mask, isol ? 0 : phy->isol->en);
>+	regmap_update_bits(phy->reg_pmu, phy->isol.offset,
>+			   phy->isol.mask, isol ? 0 : phy->isol.en);
> }
>
> extern const struct samsung_ufs_phy_drvdata exynos7_ufs_phy;
>--
>2.36.1