diff options
| -rw-r--r-- | drivers/scsi/ufs/ufs-mediatek.c | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/drivers/scsi/ufs/ufs-mediatek.c b/drivers/scsi/ufs/ufs-mediatek.c index 887c03e8bcc0..feba74a72309 100644 --- a/drivers/scsi/ufs/ufs-mediatek.c +++ b/drivers/scsi/ufs/ufs-mediatek.c @@ -419,7 +419,7 @@ static int ufs_mtk_pwr_change_notify(struct ufs_hba *hba, return ret; } -static int ufs_mtk_unipro_set_pm(struct ufs_hba *hba, u32 lpm) +static int ufs_mtk_unipro_set_pm(struct ufs_hba *hba, bool lpm) { int ret; struct ufs_mtk_host *host = ufshcd_get_variant(hba); @@ -427,8 +427,14 @@ static int ufs_mtk_unipro_set_pm(struct ufs_hba *hba, u32 lpm) ret = ufshcd_dme_set(hba, UIC_ARG_MIB_SEL(VS_UNIPROPOWERDOWNCONTROL, 0), lpm); - if (!ret) + if (!ret || !lpm) { + /* + * Forcibly set as non-LPM mode if UIC commands is failed + * to use default hba_enable_delay_us value for re-enabling + * the host. + */ host->unipro_lpm = lpm; + } return ret; } @@ -438,7 +444,9 @@ static int ufs_mtk_pre_link(struct ufs_hba *hba) int ret; u32 tmp; - ufs_mtk_unipro_set_pm(hba, 0); + ret = ufs_mtk_unipro_set_pm(hba, false); + if (ret) + return ret; /* * Setting PA_Local_TX_LCC_Enable to 0 before link startup @@ -546,7 +554,7 @@ static int ufs_mtk_link_set_hpm(struct ufs_hba *hba) if (err) return err; - err = ufs_mtk_unipro_set_pm(hba, 0); + err = ufs_mtk_unipro_set_pm(hba, false); if (err) return err; @@ -567,10 +575,10 @@ static int ufs_mtk_link_set_lpm(struct ufs_hba *hba) { int err; - err = ufs_mtk_unipro_set_pm(hba, 1); + err = ufs_mtk_unipro_set_pm(hba, true); if (err) { /* Resume UniPro state for following error recovery */ - ufs_mtk_unipro_set_pm(hba, 0); + ufs_mtk_unipro_set_pm(hba, false); return err; } |