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| author | Stanley Chu <stanley.chu@mediatek.com> | 2019-05-21 14:44:53 +0800 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2019-06-18 19:46:23 -0400 |
| commit | f571b377ded7466e175e73c116df9ae09527dcb0 (patch) | |
| tree | 46d1d6a35877a12f536d43b96245829871b48548 | |
| parent | ee5f1042b20e1ffbc5c7eb0e0883fdbc05cec85f (diff) | |
| download | linux-f571b377ded7466e175e73c116df9ae09527dcb0.tar.bz2 | |
scsi: ufs: Do not overwrite Auto-Hibernate timer
Some vendor-specific initialization flow may set its own auto-hibernate
timer. In this case, do not overwrite timer value as "default value" in
ufshcd_init().
Signed-off-by: Stanley Chu <stanley.chu@mediatek.com>
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Reviewed-by: Avri Altman <Avri.Altman@wdc.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
| -rw-r--r-- | drivers/scsi/ufs/ufshcd.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index 0cf698d05426..7cd757558203 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -8312,7 +8312,7 @@ int ufshcd_init(struct ufs_hba *hba, void __iomem *mmio_base, unsigned int irq) UIC_LINK_HIBERN8_STATE); /* Set the default auto-hiberate idle timer value to 150 ms */ - if (ufshcd_is_auto_hibern8_supported(hba)) { + if (ufshcd_is_auto_hibern8_supported(hba) && !hba->ahit) { hba->ahit = FIELD_PREP(UFSHCI_AHIBERN8_TIMER_MASK, 150) | FIELD_PREP(UFSHCI_AHIBERN8_SCALE_MASK, 3); } |