phy fixes for 6.6

- Driver fixes for
    - mapphone-mdm6600 runtime pm & pinctrl handling fixes
    - Qualcomm qmp usb pcs register fixes, qmp pcie register size warning
      fix, m31 fixes for wrong pointer in PTR_ERR and dropping wrong vreg
      check, qmp combo fix for 8550 power config register
    - realtek usb fix for debugfs_create_dir() and kconfig dependency
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Merge tag 'phy-fixes-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy

Pull phy fixes from Vinod Koul:

 - mapphone-mdm6600 runtime pm & pinctrl handling fixes

 - Qualcomm qmp usb pcs register fixes, qmp pcie register size warning
   fix, m31 fixes for wrong pointer in PTR_ERR and dropping wrong vreg
   check, qmp combo fix for 8550 power config register

 - realtek usb fix for debugfs_create_dir() and kconfig dependency

* tag 'phy-fixes-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy:
  phy: realtek: Realtek PHYs should depend on ARCH_REALTEK
  phy: qualcomm: Fix typos in comments
  phy: qcom-qmp-combo: initialize PCS_USB registers
  phy: qcom-qmp-combo: Square out 8550 POWER_STATE_CONFIG1
  phy: qcom: m31: Remove unwanted qphy->vreg is NULL check
  phy: realtek: usb: Drop unnecessary error check for debugfs_create_dir()
  phy: qcom: phy-qcom-m31: change m31_ipq5332_regs to static
  phy: qcom: phy-qcom-m31: fix wrong pointer pass to PTR_ERR()
  dt-bindings: phy: qcom,ipq8074-qmp-pcie: fix warning regarding reg size
  phy: qcom-qmp-usb: split PCS_USB init table for sc8280xp and sa8775p
  phy: qcom-qmp-usb: initialize PCS_USB registers
  phy: mapphone-mdm6600: Fix pinctrl_pm handling for sleep pins
  phy: mapphone-mdm6600: Fix runtime PM for remove
  phy: mapphone-mdm6600: Fix runtime disable on probe

Documentation/devicetree/bindings/phy/qcom,ipq8074-qmp-pcie-phy.yaml

@@ -70,7 +70,7 @@ examples:
 
     phy@84000 {
         compatible = "qcom,ipq6018-qmp-pcie-phy";
-        reg = <0x0 0x00084000 0x0 0x1000>;
+        reg = <0x00084000 0x1000>;
 
         clocks = <&gcc GCC_PCIE0_AUX_CLK>,
                  <&gcc GCC_PCIE0_AHB_CLK>,

drivers/phy/motorola/phy-mapphone-mdm6600.c

@@ -122,16 +122,10 @@ static int phy_mdm6600_power_on(struct phy *x)
 {
 	struct phy_mdm6600 *ddata = phy_get_drvdata(x);
 	struct gpio_desc *enable_gpio = ddata->ctrl_gpios[PHY_MDM6600_ENABLE];
-	int error;
 
 	if (!ddata->enabled)
 		return -ENODEV;
 
-	error = pinctrl_pm_select_default_state(ddata->dev);
-	if (error)
-		dev_warn(ddata->dev, "%s: error with default_state: %i\n",
-			 __func__, error);
-
 	gpiod_set_value_cansleep(enable_gpio, 1);
 
 	/* Allow aggressive PM for USB, it's only needed for n_gsm port */
@@ -160,11 +154,6 @@ static int phy_mdm6600_power_off(struct phy *x)
 
 	gpiod_set_value_cansleep(enable_gpio, 0);
 
-	error = pinctrl_pm_select_sleep_state(ddata->dev);
-	if (error)
-		dev_warn(ddata->dev, "%s: error with sleep_state: %i\n",
-			 __func__, error);
-
 	return 0;
 }
 
@@ -456,6 +445,7 @@ static void phy_mdm6600_device_power_off(struct phy_mdm6600 *ddata)
 {
 	struct gpio_desc *reset_gpio =
 		ddata->ctrl_gpios[PHY_MDM6600_RESET];
+	int error;
 
 	ddata->enabled = false;
 	phy_mdm6600_cmd(ddata, PHY_MDM6600_CMD_BP_SHUTDOWN_REQ);
@@ -471,6 +461,17 @@ static void phy_mdm6600_device_power_off(struct phy_mdm6600 *ddata)
 	} else {
 		dev_err(ddata->dev, "Timed out powering down\n");
 	}
+
+	/*
+	 * Keep reset gpio high with padconf internal pull-up resistor to
+	 * prevent modem from waking up during deeper SoC idle states. The
+	 * gpio bank lines can have glitches if not in the always-on wkup
+	 * domain.
+	 */
+	error = pinctrl_pm_select_sleep_state(ddata->dev);
+	if (error)
+		dev_warn(ddata->dev, "%s: error with sleep_state: %i\n",
+			 __func__, error);
 }
 
 static void phy_mdm6600_deferred_power_on(struct work_struct *work)
@@ -571,12 +572,6 @@ static int phy_mdm6600_probe(struct platform_device *pdev)
 	ddata->dev = &pdev->dev;
 	platform_set_drvdata(pdev, ddata);
 
-	/* Active state selected in phy_mdm6600_power_on() */
-	error = pinctrl_pm_select_sleep_state(ddata->dev);
-	if (error)
-		dev_warn(ddata->dev, "%s: error with sleep_state: %i\n",
-			 __func__, error);
-
 	error = phy_mdm6600_init_lines(ddata);
 	if (error)
 		return error;
@@ -627,10 +622,12 @@ idle:
 	pm_runtime_put_autosuspend(ddata->dev);
 
 cleanup:
-	if (error < 0)
+	if (error < 0) {
 		phy_mdm6600_device_power_off(ddata);
-	pm_runtime_disable(ddata->dev);
+		pm_runtime_disable(ddata->dev);
-	pm_runtime_dont_use_autosuspend(ddata->dev);
+		pm_runtime_dont_use_autosuspend(ddata->dev);
+	}
+
 	return error;
 }
 
@@ -639,6 +636,7 @@ static void phy_mdm6600_remove(struct platform_device *pdev)
 	struct phy_mdm6600 *ddata = platform_get_drvdata(pdev);
 	struct gpio_desc *reset_gpio = ddata->ctrl_gpios[PHY_MDM6600_RESET];
 
+	pm_runtime_get_noresume(ddata->dev);
 	pm_runtime_dont_use_autosuspend(ddata->dev);
 	pm_runtime_put_sync(ddata->dev);
 	pm_runtime_disable(ddata->dev);

drivers/phy/qualcomm/phy-qcom-apq8064-sata.c

@@ -152,7 +152,7 @@ static int qcom_apq8064_sata_phy_init(struct phy *generic_phy)
 		return ret;
 	}
 
-	/* SATA phy calibrated succesfully, power up to functional mode */
+	/* SATA phy calibrated successfully, power up to functional mode */
 	writel_relaxed(0x3E, base + SATA_PHY_POW_DWN_CTRL1);
 	writel_relaxed(0x01, base + SATA_PHY_RX_IMCAL0);
 	writel_relaxed(0x01, base + SATA_PHY_TX_IMCAL0);

drivers/phy/qualcomm/phy-qcom-m31.c

@@ -82,7 +82,7 @@ struct m31_priv_data {
 	unsigned int			nregs;
 };
 
-struct m31_phy_regs m31_ipq5332_regs[] = {
+static struct m31_phy_regs m31_ipq5332_regs[] = {
 	{
 		USB_PHY_CFG0,
 		UTMI_PHY_OVERRIDE_EN,
@@ -172,8 +172,7 @@ static int m31usb_phy_init(struct phy *phy)
 
 	ret = clk_prepare_enable(qphy->clk);
 	if (ret) {
-		if (qphy->vreg)
+		regulator_disable(qphy->vreg);
-			regulator_disable(qphy->vreg);
 		dev_err(&phy->dev, "failed to enable cfg ahb clock, %d\n", ret);
 		return ret;
 	}
@@ -256,7 +255,7 @@ static int m31usb_phy_probe(struct platform_device *pdev)
 
 	qphy->vreg = devm_regulator_get(dev, "vdda-phy");
 	if (IS_ERR(qphy->vreg))
-		return dev_err_probe(dev, PTR_ERR(qphy->phy),
+		return dev_err_probe(dev, PTR_ERR(qphy->vreg),
 						"failed to get vreg\n");
 
 	phy_set_drvdata(qphy->phy, qphy);

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

@@ -859,10 +859,10 @@ static const struct qmp_phy_init_tbl sm8550_usb3_pcs_tbl[] = {
 	QMP_PHY_INIT_CFG(QPHY_USB_V6_PCS_PCS_TX_RX_CONFIG, 0x0c),
 	QMP_PHY_INIT_CFG(QPHY_USB_V6_PCS_EQ_CONFIG1, 0x4b),
 	QMP_PHY_INIT_CFG(QPHY_USB_V6_PCS_EQ_CONFIG5, 0x10),
-	QMP_PHY_INIT_CFG(QPHY_USB_V6_PCS_USB3_POWER_STATE_CONFIG1, 0x68),
 };
 
 static const struct qmp_phy_init_tbl sm8550_usb3_pcs_usb_tbl[] = {
+	QMP_PHY_INIT_CFG(QPHY_USB_V6_PCS_USB3_POWER_STATE_CONFIG1, 0x68),
 	QMP_PHY_INIT_CFG(QPHY_USB_V6_PCS_USB3_LFPS_DET_HIGH_COUNT_VAL, 0xf8),
 	QMP_PHY_INIT_CFG(QPHY_USB_V6_PCS_USB3_RXEQTRAINING_DFE_TIME_S2, 0x07),
 	QMP_PHY_INIT_CFG(QPHY_USB_V6_PCS_USB3_RCVR_DTCT_DLY_U3_L, 0x40),
@@ -2555,6 +2555,7 @@ static int qmp_combo_usb_power_on(struct phy *phy)
 	void __iomem *tx2 = qmp->tx2;
 	void __iomem *rx2 = qmp->rx2;
 	void __iomem *pcs = qmp->pcs;
+	void __iomem *pcs_usb = qmp->pcs_usb;
 	void __iomem *status;
 	unsigned int val;
 	int ret;
@@ -2576,6 +2577,9 @@ static int qmp_combo_usb_power_on(struct phy *phy)
 
 	qmp_combo_configure(pcs, cfg->pcs_tbl, cfg->pcs_tbl_num);
 
+	if (pcs_usb)
+		qmp_combo_configure(pcs_usb, cfg->pcs_usb_tbl, cfg->pcs_usb_tbl_num);
+
 	if (cfg->has_pwrdn_delay)
 		usleep_range(10, 20);
 

drivers/phy/qualcomm/phy-qcom-qmp-pcs-usb-v6.h

@@ -12,7 +12,7 @@
 #define QPHY_USB_V6_PCS_LOCK_DETECT_CONFIG3		0xcc
 #define QPHY_USB_V6_PCS_LOCK_DETECT_CONFIG6		0xd8
 #define QPHY_USB_V6_PCS_REFGEN_REQ_CONFIG1		0xdc
-#define QPHY_USB_V6_PCS_USB3_POWER_STATE_CONFIG1	0x90
+#define QPHY_USB_V6_PCS_POWER_STATE_CONFIG1		0x90
 #define QPHY_USB_V6_PCS_RX_SIGDET_LVL			0x188
 #define QPHY_USB_V6_PCS_RCVR_DTCT_DLY_P1U2_L		0x190
 #define QPHY_USB_V6_PCS_RCVR_DTCT_DLY_P1U2_H		0x194
@@ -23,6 +23,7 @@
 #define QPHY_USB_V6_PCS_EQ_CONFIG1			0x1dc
 #define QPHY_USB_V6_PCS_EQ_CONFIG5			0x1ec
 
+#define QPHY_USB_V6_PCS_USB3_POWER_STATE_CONFIG1	0x00
 #define QPHY_USB_V6_PCS_USB3_LFPS_DET_HIGH_COUNT_VAL	0x18
 #define QPHY_USB_V6_PCS_USB3_RXEQTRAINING_DFE_TIME_S2	0x3c
 #define QPHY_USB_V6_PCS_USB3_RCVR_DTCT_DLY_U3_L		0x40

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

@@ -1112,8 +1112,6 @@ static const struct qmp_phy_init_tbl sc8280xp_usb3_uniphy_pcs_tbl[] = {
 	QMP_PHY_INIT_CFG(QPHY_V5_PCS_RCVR_DTCT_DLY_P1U2_H, 0x03),
 	QMP_PHY_INIT_CFG(QPHY_V5_PCS_RX_SIGDET_LVL, 0xaa),
 	QMP_PHY_INIT_CFG(QPHY_V5_PCS_PCS_TX_RX_CONFIG, 0x0c),
-	QMP_PHY_INIT_CFG(QPHY_V5_PCS_USB3_RXEQTRAINING_DFE_TIME_S2, 0x07),
-	QMP_PHY_INIT_CFG(QPHY_V5_PCS_USB3_LFPS_DET_HIGH_COUNT_VAL, 0xf8),
 	QMP_PHY_INIT_CFG(QPHY_V5_PCS_CDR_RESET_TIME, 0x0a),
 	QMP_PHY_INIT_CFG(QPHY_V5_PCS_ALIGN_DETECT_CONFIG1, 0x88),
 	QMP_PHY_INIT_CFG(QPHY_V5_PCS_ALIGN_DETECT_CONFIG2, 0x13),
@@ -1122,6 +1120,11 @@ static const struct qmp_phy_init_tbl sc8280xp_usb3_uniphy_pcs_tbl[] = {
 	QMP_PHY_INIT_CFG(QPHY_V5_PCS_REFGEN_REQ_CONFIG1, 0x21),
 };
 
+static const struct qmp_phy_init_tbl sc8280xp_usb3_uniphy_pcs_usb_tbl[] = {
+	QMP_PHY_INIT_CFG(QPHY_V5_PCS_USB3_RXEQTRAINING_DFE_TIME_S2, 0x07),
+	QMP_PHY_INIT_CFG(QPHY_V5_PCS_USB3_LFPS_DET_HIGH_COUNT_VAL, 0xf8),
+};
+
 static const struct qmp_phy_init_tbl sa8775p_usb3_uniphy_pcs_tbl[] = {
 	QMP_PHY_INIT_CFG(QPHY_V5_PCS_LOCK_DETECT_CONFIG1, 0xc4),
 	QMP_PHY_INIT_CFG(QPHY_V5_PCS_LOCK_DETECT_CONFIG2, 0x89),
@@ -1131,9 +1134,6 @@ static const struct qmp_phy_init_tbl sa8775p_usb3_uniphy_pcs_tbl[] = {
 	QMP_PHY_INIT_CFG(QPHY_V5_PCS_RCVR_DTCT_DLY_P1U2_H, 0x03),
 	QMP_PHY_INIT_CFG(QPHY_V5_PCS_RX_SIGDET_LVL, 0xaa),
 	QMP_PHY_INIT_CFG(QPHY_V5_PCS_PCS_TX_RX_CONFIG, 0x0c),
-	QMP_PHY_INIT_CFG(QPHY_V5_PCS_USB3_RXEQTRAINING_DFE_TIME_S2, 0x07),
-	QMP_PHY_INIT_CFG(QPHY_V5_PCS_USB3_LFPS_DET_HIGH_COUNT_VAL, 0xf8),
-	QMP_PHY_INIT_CFG(QPHY_V5_PCS_USB3_POWER_STATE_CONFIG1, 0x6f),
 	QMP_PHY_INIT_CFG(QPHY_V5_PCS_CDR_RESET_TIME, 0x0a),
 	QMP_PHY_INIT_CFG(QPHY_V5_PCS_ALIGN_DETECT_CONFIG1, 0x88),
 	QMP_PHY_INIT_CFG(QPHY_V5_PCS_ALIGN_DETECT_CONFIG2, 0x13),
@@ -1142,6 +1142,12 @@ static const struct qmp_phy_init_tbl sa8775p_usb3_uniphy_pcs_tbl[] = {
 	QMP_PHY_INIT_CFG(QPHY_V5_PCS_REFGEN_REQ_CONFIG1, 0x21),
 };
 
+static const struct qmp_phy_init_tbl sa8775p_usb3_uniphy_pcs_usb_tbl[] = {
+	QMP_PHY_INIT_CFG(QPHY_V5_PCS_USB3_RXEQTRAINING_DFE_TIME_S2, 0x07),
+	QMP_PHY_INIT_CFG(QPHY_V5_PCS_USB3_LFPS_DET_HIGH_COUNT_VAL, 0xf8),
+	QMP_PHY_INIT_CFG(QPHY_V5_PCS_USB3_POWER_STATE_CONFIG1, 0x6f),
+};
+
 struct qmp_usb_offsets {
 	u16 serdes;
 	u16 pcs;
@@ -1383,6 +1389,8 @@ static const struct qmp_phy_cfg sa8775p_usb3_uniphy_cfg = {
 	.rx_tbl_num		= ARRAY_SIZE(sc8280xp_usb3_uniphy_rx_tbl),
 	.pcs_tbl		= sa8775p_usb3_uniphy_pcs_tbl,
 	.pcs_tbl_num		= ARRAY_SIZE(sa8775p_usb3_uniphy_pcs_tbl),
+	.pcs_usb_tbl		= sa8775p_usb3_uniphy_pcs_usb_tbl,
+	.pcs_usb_tbl_num	= ARRAY_SIZE(sa8775p_usb3_uniphy_pcs_usb_tbl),
 	.clk_list		= qmp_v4_phy_clk_l,
 	.num_clks		= ARRAY_SIZE(qmp_v4_phy_clk_l),
 	.reset_list		= qcm2290_usb3phy_reset_l,
@@ -1405,6 +1413,8 @@ static const struct qmp_phy_cfg sc8280xp_usb3_uniphy_cfg = {
 	.rx_tbl_num		= ARRAY_SIZE(sc8280xp_usb3_uniphy_rx_tbl),
 	.pcs_tbl		= sc8280xp_usb3_uniphy_pcs_tbl,
 	.pcs_tbl_num		= ARRAY_SIZE(sc8280xp_usb3_uniphy_pcs_tbl),
+	.pcs_usb_tbl		= sc8280xp_usb3_uniphy_pcs_usb_tbl,
+	.pcs_usb_tbl_num	= ARRAY_SIZE(sc8280xp_usb3_uniphy_pcs_usb_tbl),
 	.clk_list		= qmp_v4_phy_clk_l,
 	.num_clks		= ARRAY_SIZE(qmp_v4_phy_clk_l),
 	.reset_list		= qcm2290_usb3phy_reset_l,
@@ -1703,6 +1713,7 @@ static int qmp_usb_power_on(struct phy *phy)
 	void __iomem *tx = qmp->tx;
 	void __iomem *rx = qmp->rx;
 	void __iomem *pcs = qmp->pcs;
+	void __iomem *pcs_usb = qmp->pcs_usb;
 	void __iomem *status;
 	unsigned int val;
 	int ret;
@@ -1726,6 +1737,9 @@ static int qmp_usb_power_on(struct phy *phy)
 
 	qmp_usb_configure(pcs, cfg->pcs_tbl, cfg->pcs_tbl_num);
 
+	if (pcs_usb)
+		qmp_usb_configure(pcs_usb, cfg->pcs_usb_tbl, cfg->pcs_usb_tbl_num);
+
 	if (cfg->has_pwrdn_delay)
 		usleep_range(10, 20);
 

drivers/phy/realtek/Kconfig

@@ -2,6 +2,9 @@
 #
 # Phy drivers for Realtek platforms
 #
+
+if ARCH_REALTEK || COMPILE_TEST
+
 config PHY_RTK_RTD_USB2PHY
 	tristate "Realtek RTD USB2 PHY Transceiver Driver"
 	depends on USB_SUPPORT
@@ -25,3 +28,5 @@ config PHY_RTK_RTD_USB3PHY
 	  The DHC (digital home center) RTD series SoCs used the Synopsys
 	  DWC3 USB IP. This driver will do the PHY initialization
 	  of the parameters.
+
+endif # ARCH_REALTEK || COMPILE_TEST

drivers/phy/realtek/phy-rtk-usb2.c

@@ -853,17 +853,11 @@ static inline void create_debug_files(struct rtk_phy *rtk_phy)
 
 	rtk_phy->debug_dir = debugfs_create_dir(dev_name(rtk_phy->dev),
 						phy_debug_root);
-	if (!rtk_phy->debug_dir)
-		return;
 
-	if (!debugfs_create_file("parameter", 0444, rtk_phy->debug_dir, rtk_phy,
+	debugfs_create_file("parameter", 0444, rtk_phy->debug_dir, rtk_phy,
-				 &rtk_usb2_parameter_fops))
+			    &rtk_usb2_parameter_fops);
-		goto file_error;
 
 	return;
-
-file_error:
-	debugfs_remove_recursive(rtk_phy->debug_dir);
 }
 
 static inline void remove_debug_files(struct rtk_phy *rtk_phy)

drivers/phy/realtek/phy-rtk-usb3.c

@@ -416,17 +416,11 @@ static inline void create_debug_files(struct rtk_phy *rtk_phy)
 		return;
 
 	rtk_phy->debug_dir = debugfs_create_dir(dev_name(rtk_phy->dev), phy_debug_root);
-	if (!rtk_phy->debug_dir)
-		return;
 
-	if (!debugfs_create_file("parameter", 0444, rtk_phy->debug_dir, rtk_phy,
+	debugfs_create_file("parameter", 0444, rtk_phy->debug_dir, rtk_phy,
-				 &rtk_usb3_parameter_fops))
+			    &rtk_usb3_parameter_fops);
-		goto file_error;
 
 	return;
-
-file_error:
-	debugfs_remove_recursive(rtk_phy->debug_dir);
 }
 
 static inline void remove_debug_files(struct rtk_phy *rtk_phy)