From: Johan Hovold <johan+linaro@xxxxxxxxxx> [ Upstream commit 645d3d04702401e002928b934b830bd25be9e277 ] Always define the POWER_DOWN_CONTROL register instead of falling back to the v2 (and v3) offset during power on and power off. Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx> Signed-off-by: Johan Hovold <johan+linaro@xxxxxxxxxx> Link: https://lore.kernel.org/r/20221017065013.19647-10-johan+linaro@xxxxxxxxxx Signed-off-by: Vinod Koul <vkoul@xxxxxxxxxx> Stable-dep-of: 922adfd59efd ("phy: qcom-qmp-usb: correct registers layout for IPQ8074 USB3 PHY") Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- drivers/phy/qualcomm/phy-qcom-qmp-usb.c | 20 ++++++-------------- 1 file changed, 6 insertions(+), 14 deletions(-) diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-usb.c b/drivers/phy/qualcomm/phy-qcom-qmp-usb.c index b84c0d4b5754..866955a36315 100644 --- a/drivers/phy/qualcomm/phy-qcom-qmp-usb.c +++ b/drivers/phy/qualcomm/phy-qcom-qmp-usb.c @@ -126,6 +126,7 @@ static const unsigned int usb3phy_regs_layout[QPHY_LAYOUT_SIZE] = { [QPHY_PCS_AUTONOMOUS_MODE_CTRL] = 0x0d4, [QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR] = 0x0d8, [QPHY_PCS_LFPS_RXTERM_IRQ_STATUS] = 0x178, + [QPHY_PCS_POWER_DOWN_CONTROL] = 0x04, }; static const unsigned int qmp_v3_usb3phy_regs_layout[QPHY_LAYOUT_SIZE] = { @@ -135,6 +136,7 @@ static const unsigned int qmp_v3_usb3phy_regs_layout[QPHY_LAYOUT_SIZE] = { [QPHY_PCS_AUTONOMOUS_MODE_CTRL] = 0x0d8, [QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR] = 0x0dc, [QPHY_PCS_LFPS_RXTERM_IRQ_STATUS] = 0x170, + [QPHY_PCS_POWER_DOWN_CONTROL] = 0x04, }; static const unsigned int qmp_v4_usb3phy_regs_layout[QPHY_LAYOUT_SIZE] = { @@ -2164,13 +2166,8 @@ static int qmp_usb_init(struct phy *phy) qphy_clrbits(dp_com, QPHY_V3_DP_COM_SW_RESET, SW_RESET); } - if (cfg->regs[QPHY_PCS_POWER_DOWN_CONTROL]) - qphy_setbits(pcs, - cfg->regs[QPHY_PCS_POWER_DOWN_CONTROL], - cfg->pwrdn_ctrl); - else - qphy_setbits(pcs, QPHY_V2_PCS_POWER_DOWN_CONTROL, - cfg->pwrdn_ctrl); + qphy_setbits(pcs, cfg->regs[QPHY_PCS_POWER_DOWN_CONTROL], + cfg->pwrdn_ctrl); return 0; @@ -2277,13 +2274,8 @@ static int qmp_usb_power_off(struct phy *phy) qphy_clrbits(qphy->pcs, cfg->regs[QPHY_START_CTRL], cfg->start_ctrl); /* Put PHY into POWER DOWN state: active low */ - if (cfg->regs[QPHY_PCS_POWER_DOWN_CONTROL]) { - qphy_clrbits(qphy->pcs, cfg->regs[QPHY_PCS_POWER_DOWN_CONTROL], - cfg->pwrdn_ctrl); - } else { - qphy_clrbits(qphy->pcs, QPHY_V2_PCS_POWER_DOWN_CONTROL, - cfg->pwrdn_ctrl); - } + qphy_clrbits(qphy->pcs, cfg->regs[QPHY_PCS_POWER_DOWN_CONTROL], + cfg->pwrdn_ctrl); return 0; } -- 2.35.1
