phy: qcom: qmp-usbc: drop has_pwrdn_delay handling

None of the PHYs supported by the USBC driver need power down delay.
Drop corresponding flag and code.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20240126-phy-qmp-merge-common-v2-6-a463d0b57836@linaro.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>

Author: lumag

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

@@ -315,9 +315,6 @@ struct qmp_phy_cfg {
 
 	/* array of registers with different offsets */
 	const unsigned int *regs;
-
-	/* true, if PHY needs delay after POWER_DOWN */
-	bool has_pwrdn_delay;
 };
 
 struct qmp_usbc {
@@ -546,9 +543,6 @@ static int qmp_usbc_power_on(struct phy *phy)
 
 	qmp_configure(qmp->pcs, cfg->pcs_tbl, cfg->pcs_tbl_num);
 
-	if (cfg->has_pwrdn_delay)
-		usleep_range(10, 20);
-
 	/* Pull PHY out of reset state */
 	qphy_clrbits(qmp->pcs, cfg->regs[QPHY_SW_RESET], SW_RESET);