phy: qcom-qmp-usb: clean up status polling
authorJohan Hovold <johan+linaro@kernel.org>
Wed, 12 Oct 2022 08:49:55 +0000 (10:49 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sat, 31 Dec 2022 12:32:47 +0000 (13:32 +0100)
[ Upstream commit f5ef85adece529a6cd1e7563081c41038923a9ed ]

Clean up the PHY status polling by dropping the configuration mask which
is no longer needed since the QMP driver split.

Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20221012085002.24099-13-johan+linaro@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Stable-dep-of: 922adfd59efd ("phy: qcom-qmp-usb: correct registers layout for IPQ8074 USB3 PHY")
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/phy/qualcomm/phy-qcom-qmp-usb.c

index f8a300f..a551ef4 100644 (file)
@@ -1458,8 +1458,6 @@ struct qmp_phy_cfg {
 
        unsigned int start_ctrl;
        unsigned int pwrdn_ctrl;
-       /* bit offset of PHYSTATUS in QPHY_PCS_STATUS register */
-       unsigned int phy_status;
 
        /* true, if PHY needs delay after POWER_DOWN */
        bool has_pwrdn_delay;
@@ -1617,7 +1615,6 @@ static const struct qmp_phy_cfg ipq8074_usb3phy_cfg = {
 
        .start_ctrl             = SERDES_START | PCS_START,
        .pwrdn_ctrl             = SW_PWRDN,
-       .phy_status             = PHYSTATUS,
 };
 
 static const struct qmp_phy_cfg msm8996_usb3phy_cfg = {
@@ -1641,7 +1638,6 @@ static const struct qmp_phy_cfg msm8996_usb3phy_cfg = {
 
        .start_ctrl             = SERDES_START | PCS_START,
        .pwrdn_ctrl             = SW_PWRDN,
-       .phy_status             = PHYSTATUS,
 };
 
 static const struct qmp_phy_cfg qmp_v3_usb3phy_cfg = {
@@ -1665,7 +1661,6 @@ static const struct qmp_phy_cfg qmp_v3_usb3phy_cfg = {
 
        .start_ctrl             = SERDES_START | PCS_START,
        .pwrdn_ctrl             = SW_PWRDN,
-       .phy_status             = PHYSTATUS,
 
        .has_pwrdn_delay        = true,
        .has_phy_dp_com_ctrl    = true,
@@ -1692,7 +1687,6 @@ static const struct qmp_phy_cfg sc7180_usb3phy_cfg = {
 
        .start_ctrl             = SERDES_START | PCS_START,
        .pwrdn_ctrl             = SW_PWRDN,
-       .phy_status             = PHYSTATUS,
 
        .has_pwrdn_delay        = true,
        .has_phy_dp_com_ctrl    = true,
@@ -1719,7 +1713,6 @@ static const struct qmp_phy_cfg sc8280xp_usb3_uniphy_cfg = {
 
        .start_ctrl             = SERDES_START | PCS_START,
        .pwrdn_ctrl             = SW_PWRDN,
-       .phy_status             = PHYSTATUS,
 };
 
 static const struct qmp_phy_cfg qmp_v3_usb3_uniphy_cfg = {
@@ -1743,7 +1736,6 @@ static const struct qmp_phy_cfg qmp_v3_usb3_uniphy_cfg = {
 
        .start_ctrl             = SERDES_START | PCS_START,
        .pwrdn_ctrl             = SW_PWRDN,
-       .phy_status             = PHYSTATUS,
 
        .has_pwrdn_delay        = true,
 };
@@ -1769,7 +1761,6 @@ static const struct qmp_phy_cfg msm8998_usb3phy_cfg = {
 
        .start_ctrl             = SERDES_START | PCS_START,
        .pwrdn_ctrl             = SW_PWRDN,
-       .phy_status             = PHYSTATUS,
 };
 
 static const struct qmp_phy_cfg sm8150_usb3phy_cfg = {
@@ -1796,7 +1787,6 @@ static const struct qmp_phy_cfg sm8150_usb3phy_cfg = {
 
        .start_ctrl             = SERDES_START | PCS_START,
        .pwrdn_ctrl             = SW_PWRDN,
-       .phy_status             = PHYSTATUS,
 
        .has_pwrdn_delay        = true,
        .has_phy_dp_com_ctrl    = true,
@@ -1826,7 +1816,6 @@ static const struct qmp_phy_cfg sm8150_usb3_uniphy_cfg = {
 
        .start_ctrl             = SERDES_START | PCS_START,
        .pwrdn_ctrl             = SW_PWRDN,
-       .phy_status             = PHYSTATUS,
 
        .has_pwrdn_delay        = true,
 };
@@ -1855,7 +1844,6 @@ static const struct qmp_phy_cfg sm8250_usb3phy_cfg = {
 
        .start_ctrl             = SERDES_START | PCS_START,
        .pwrdn_ctrl             = SW_PWRDN,
-       .phy_status             = PHYSTATUS,
 
        .has_pwrdn_delay        = true,
        .has_phy_dp_com_ctrl    = true,
@@ -1885,7 +1873,6 @@ static const struct qmp_phy_cfg sm8250_usb3_uniphy_cfg = {
 
        .start_ctrl             = SERDES_START | PCS_START,
        .pwrdn_ctrl             = SW_PWRDN,
-       .phy_status             = PHYSTATUS,
 
        .has_pwrdn_delay        = true,
 };
@@ -1914,7 +1901,6 @@ static const struct qmp_phy_cfg sdx55_usb3_uniphy_cfg = {
 
        .start_ctrl             = SERDES_START | PCS_START,
        .pwrdn_ctrl             = SW_PWRDN,
-       .phy_status             = PHYSTATUS,
 
        .has_pwrdn_delay        = true,
 };
@@ -1943,7 +1929,6 @@ static const struct qmp_phy_cfg sdx65_usb3_uniphy_cfg = {
 
        .start_ctrl             = SERDES_START | PCS_START,
        .pwrdn_ctrl             = SW_PWRDN,
-       .phy_status             = PHYSTATUS,
 
        .has_pwrdn_delay        = true,
 };
@@ -1972,7 +1957,6 @@ static const struct qmp_phy_cfg sm8350_usb3phy_cfg = {
 
        .start_ctrl             = SERDES_START | PCS_START,
        .pwrdn_ctrl             = SW_PWRDN,
-       .phy_status             = PHYSTATUS,
 
        .has_pwrdn_delay        = true,
        .has_phy_dp_com_ctrl    = true,
@@ -2002,7 +1986,6 @@ static const struct qmp_phy_cfg sm8350_usb3_uniphy_cfg = {
 
        .start_ctrl             = SERDES_START | PCS_START,
        .pwrdn_ctrl             = SW_PWRDN,
-       .phy_status             = PHYSTATUS,
 
        .has_pwrdn_delay        = true,
 };
@@ -2028,7 +2011,6 @@ static const struct qmp_phy_cfg qcm2290_usb3phy_cfg = {
 
        .start_ctrl             = SERDES_START | PCS_START,
        .pwrdn_ctrl             = SW_PWRDN,
-       .phy_status             = PHYSTATUS,
 };
 
 static void qmp_usb_configure_lane(void __iomem *base,
@@ -2166,7 +2148,7 @@ static int qmp_usb_power_on(struct phy *phy)
        void __iomem *rx = qphy->rx;
        void __iomem *pcs = qphy->pcs;
        void __iomem *status;
-       unsigned int mask, val, ready;
+       unsigned int val;
        int ret;
 
        qmp_usb_serdes_init(qphy);
@@ -2205,10 +2187,7 @@ static int qmp_usb_power_on(struct phy *phy)
        qphy_setbits(pcs, cfg->regs[QPHY_START_CTRL], cfg->start_ctrl);
 
        status = pcs + cfg->regs[QPHY_PCS_STATUS];
-       mask = cfg->phy_status;
-       ready = 0;
-
-       ret = readl_poll_timeout(status, val, (val & mask) == ready, 10,
+       ret = readl_poll_timeout(status, val, !(val & PHYSTATUS), 10,
                                 PHY_INIT_COMPLETE_TIMEOUT);
        if (ret) {
                dev_err(qmp->dev, "phy initialization timed-out\n");