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msm: pcie: update with link power on check for user PCIe resume

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Instead of checking PCIe S/W link state, check if the link is on
is on or off to determine whether PCIe resume should be allowed
or not. PCIe S/W link state is not enough to determine since
MSM_PCIE_LINK_DOWN state can be set for link on or off.

Change-Id: I23a27007eb90134c90d5a20034248697423ebeeb
Signed-off-by: Tony Truong <truong@codeaurora.org>
This commit is contained in:
Tony Truong 2020-10-16 13:49:28 -07:00
commit a85bf9cb8b
1 changed files with 3 additions and 5 deletions
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8
drivers/pci/controller/pci-msm.c
View file

@ -7041,12 +7041,10 @@ int msm_pcie_pm_control(enum msm_pcie_pm_opt pm_opt, u32 busnr, void *user,
break;
}
if (msm_pcie_dev[rc_idx].link_status !=
MSM_PCIE_LINK_DISABLED) {
if (msm_pcie_dev[rc_idx].power_on) {
PCIE_ERR(&msm_pcie_dev[rc_idx],
"PCIe: RC%d: requested to resume when link is not disabled:%d. Number of active EP(s): %d\n",
rc_idx, msm_pcie_dev[rc_idx].link_status,
msm_pcie_dev[rc_idx].num_active_ep);
"PCIe: RC%d: requested to resume when link is already powered on. Number of active EP(s): %d\n",
rc_idx, msm_pcie_dev[rc_idx].num_active_ep);
break;
}