A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-08 21:22:09 -04:00
Code Issues Projects Releases Packages Wiki Activity

FROMLIST: scsi: ufs: full reinit upon resume if link was off

Browse source 
During suspend, if the link is put to off, it would require
a full initialization during resume. This patch resets and
restores both the hba and the card during initialization.

Signed-off-by: Asutosh Das <asutoshd@codeaurora.org>
Signed-off-by: Can Guo <cang@codeaurora.org>
Acked-by: Stanley Chu <stanley.chu@mediatek.com>
Reviewed-by: Bean Huo <beanhuo@micron.com>

Bug: 152930830
Change-Id: I69f1dc00bb885de20e275d23418c172982fffb7e
Link: https://lore.kernel.org/patchwork/patch/1218473/
Signed-off-by: Can Guo <cang@codeaurora.org>
This commit is contained in:
Asutosh Das 2020-03-27 19:27:31 -07:00 • committed by Todd Kjos
commit 57d259f657
1 changed files with 6 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

8
drivers/scsi/ufs/ufshcd.c
View file

@ -8205,9 +8205,13 @@ static int ufshcd_resume(struct ufs_hba *hba, enum ufs_pm_op pm_op)
else
goto vendor_suspend;
} else if (ufshcd_is_link_off(hba)) {
ret = ufshcd_host_reset_and_restore(hba);
/*
* ufshcd_host_reset_and_restore() should have already
* A full initialization of the host and the device is required
* since the link was put to off during suspend.
*/
ret = ufshcd_reset_and_restore(hba);
/*
* ufshcd_reset_and_restore() should have already
* set the link state as active
*/
if (ret || !ufshcd_is_link_active(hba))