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Commit 3f5d2ce3 authored by Linux Build Service Account's avatar Linux Build Service Account Committed by Gerrit - the friendly Code Review server
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Merge "msm: pcie: add delay after power down write"

parents 4f8671a6 e0a5a861

drivers/pci/host/pci-msm.c

+4 −0
Original line number Diff line number Diff line
@@ -229,6 +229,8 @@ 
#define LINK_UP_CHECK_MAX_COUNT		   20

#define PHY_STABILIZATION_DELAY_US_MIN	  995

#define PHY_STABILIZATION_DELAY_US_MAX	  1005

#define POWER_DOWN_DELAY_US_MIN		10

#define POWER_DOWN_DELAY_US_MAX		11

#define LINKDOWN_INIT_WAITING_US_MIN    995

#define LINKDOWN_INIT_WAITING_US_MAX    1005

#define LINKDOWN_WAITING_US_MIN	   4900
@@ -1222,6 +1224,8 @@ static void pcie_pcs_port_phy_init(struct msm_pcie_dev_t *dev) 
	msm_pcie_write_reg(dev->phy,

		PCIE_N_POWER_DOWN_CONTROL(dev->rc_idx, common_phy),

		0x03);

	usleep_range(POWER_DOWN_DELAY_US_MIN, POWER_DOWN_DELAY_US_MAX);



	msm_pcie_write_reg(dev->phy,

		PCIE_N_SW_RESET(dev->rc_idx, common_phy),

		0x00);