This patch add regulator_set_load() before enable regulator at DP phy driver.
Changes in v2: -- no regulator_set_load() before disable regulator
Changes in v3: -- split into two patches
Signed-off-by: Kuogee Hsieh quic_khsieh@quicinc.com --- drivers/phy/qualcomm/phy-qcom-qmp.c | 12 ++++++++++++ 1 file changed, 12 insertions(+)
diff --git a/drivers/phy/qualcomm/phy-qcom-qmp.c b/drivers/phy/qualcomm/phy-qcom-qmp.c index b144ae1..20ac446 100644 --- a/drivers/phy/qualcomm/phy-qcom-qmp.c +++ b/drivers/phy/qualcomm/phy-qcom-qmp.c @@ -3130,6 +3130,7 @@ struct qmp_phy_cfg { int num_resets; /* regulators to be requested */ const char * const *vreg_list; + const unsigned int *vreg_enable_load; int num_vregs;
/* array of registers with different offsets */ @@ -3346,6 +3347,10 @@ static const char * const qmp_phy_vreg_l[] = { "vdda-phy", "vdda-pll", };
+static const unsigned int qmp_phy_vreg_enable_load[] = { + 21800, 36000 +}; + static const struct qmp_phy_cfg ipq8074_usb3phy_cfg = { .type = PHY_TYPE_USB3, .nlanes = 1, @@ -4072,6 +4077,7 @@ static const struct qmp_phy_cfg sm8250_usb3phy_cfg = { .reset_list = msm8996_usb3phy_reset_l, .num_resets = ARRAY_SIZE(msm8996_usb3phy_reset_l), .vreg_list = qmp_phy_vreg_l, + .vreg_enable_load = qmp_phy_vreg_enable_load, .num_vregs = ARRAY_SIZE(qmp_phy_vreg_l), .regs = qmp_v4_usb3phy_regs_layout,
@@ -4139,6 +4145,7 @@ static const struct qmp_phy_cfg sm8250_dpphy_cfg = { .reset_list = msm8996_usb3phy_reset_l, .num_resets = ARRAY_SIZE(msm8996_usb3phy_reset_l), .vreg_list = qmp_phy_vreg_l, + .vreg_enable_load = qmp_phy_vreg_enable_load, .num_vregs = ARRAY_SIZE(qmp_phy_vreg_l), .regs = qmp_v4_usb3phy_regs_layout,
@@ -5008,6 +5015,11 @@ static int qcom_qmp_phy_com_init(struct qmp_phy *qphy) return 0; }
+ if (cfg->vreg_enable_load) { + for (i = cfg->num_vregs - 1; i >= 0; --i) + regulator_set_load(qmp->vregs[i].consumer, cfg->vreg_enable_load[i]); + } + /* turn on regulator supplies */ ret = regulator_bulk_enable(cfg->num_vregs, qmp->vregs); if (ret) {