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qcacmn: Log failures to prevent PCIe power collapse

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Currently there is no indication when calls into pld_wlan_pm_control
fail. Add an error log in such situations to improve debugging.

Change-Id: Ic061a1735878930a5ab55711da58f8bad1a6a8a6
CRs-Fixed: 2119173
This commit is contained in:
Dustin Brown 2017-09-07 14:24:30 -07:00 • committed by snandini
commit 0d7163dbd4
1 changed files with 8 additions and 3 deletions
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11
hif/src/pcie/if_pci.c
View file

@ -2718,10 +2718,15 @@ static void hif_runtime_prevent_linkdown(struct hif_softc *scn, bool flag)
*/
void hif_pci_prevent_linkdown(struct hif_softc *scn, bool flag)
{
HIF_DBG("wlan: %s pcie power collapse",
(flag ? "disable" : "enable"));
int errno;
HIF_DBG("wlan: %s pcie power collapse", flag ? "disable" : "enable");
hif_runtime_prevent_linkdown(scn, flag);
pld_wlan_pm_control(scn->qdf_dev->dev, flag);
errno = pld_wlan_pm_control(scn->qdf_dev->dev, flag);
if (errno)
HIF_ERROR("%s: Failed pld_wlan_pm_control; errno %d",
__func__, errno);
}
#else
void hif_pci_prevent_linkdown(struct hif_softc *scn, bool flag)