msm: pcie: clear Request Exit L1 bit when enabling L1 via debugfs



When enabling L1 via debugfs commands, the request exit L1
bit needs to be cleared so the link can enter L1.

Change-Id: I41b6d3b856473bebc1337eb467763a6f66914e41
Signed-off-by: Tony Truong <truong@codeaurora.org>

parent eb182d17

drivers/pci/host/pci-msm.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -1455,6 +1455,10 @@ static void msm_pcie_sel_debug_testcase(struct msm_pcie_dev_t *dev,
		pci_walk_bus(bus,
		&msm_pcie_config_l1_enable, dev);

		/* enable l1 mode, clear bit 5 (REQ_NOT_ENTR_L1) */
		msm_pcie_write_mask(dev->parf +
		PCIE20_PARF_PM_CTRL, BIT(5), 0);

		msm_pcie_config_l1_enable(dev->dev, dev);
		}
		break;