diff options
| author | Yaniv Gardi <ygardi@codeaurora.org> | 2013-10-02 10:02:02 -0700 |
|---|---|---|
| committer | David Keitel <dkeitel@codeaurora.org> | 2016-03-22 10:55:34 -0700 |
| commit | e8e3beb4a8e09810c2cd2ccb177d7e31bee201a7 (patch) | |
| tree | 6c91ada741d12c40811f258c3aef2b803993f160 | |
| parent | e6b1f8fbb96abdd6f105c3ebeb70be028509ffa4 (diff) | |
scsi: ufs: Allowing power mode change
Due to M-PHY issues, moving from HS to any other mode or gear or
even Hibern8 causes some un-predicted behavior of the device.
This patch fixes this issues.
Change-Id: I4540e30703aa1212099b2316e158b09e311c7420
Signed-off-by: Yaniv Gardi <ygardi@codeaurora.org>
[subhashj@codeaurora.org: resolved trivial merge conflicts]
Signed-off-by: Subhash Jadavani <subhashj@codeaurora.org>
| -rw-r--r-- | drivers/scsi/ufs/ufshcd.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index 6e38fd27d5dc..4602cf35bbff 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -2787,9 +2787,13 @@ static int ufshcd_link_startup(struct ufs_hba *hba) goto out; } while (ret && retries--); - if (ret) + if (ret) { /* failed to get the link up... retire */ goto out; + } else { + ufshcd_dme_set(hba, UIC_ARG_MIB(TX_LCC_ENABLE), 0); + ufshcd_dme_set(hba, UIC_ARG_MIB(TX_LCC_ENABLE), 1); + } if (hba->quirks & UFSHCD_QUIRK_BROKEN_LCC) { ret = ufshcd_disable_device_tx_lcc(hba); |