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| author |   Stanley Chu <stanley.chu@mediatek.com> | 2019-12-30 13:32:29 +0800 |
|---|---|---|
| committer |   Martin K. Petersen <martin.petersen@oracle.com> | 2020-01-02 21:57:45 -0500 |
| commit | 8588c6b032176feb5fcef8f56a1140feded5d6c4 (patch) | |
| tree | cc07e61a4241e096bc1740fc68518bea1bb5d709 /drivers | |
| parent | scsi: ufs: export ufshcd_auto_hibern8_update for vendor usage (diff) | |
| download | linux-dev-8588c6b032176feb5fcef8f56a1140feded5d6c4.tar.xz linux-dev-8588c6b032176feb5fcef8f56a1140feded5d6c4.zip | |
scsi: ufs-mediatek: configure customized auto-hibern8 timer
Configure customized auto-hibern8 timer in MediaTek Chipsets.
Cc: Alim Akhtar <alim.akhtar@samsung.com>
Cc: Avri Altman <avri.altman@wdc.com>
Cc: Bart Van Assche <bvanassche@acm.org>
Cc: Bean Huo <beanhuo@micron.com>
Cc: Can Guo <cang@codeaurora.org>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: Matthias Brugger <matthias.bgg@gmail.com>
Link: https://lore.kernel.org/r/1577683950-1702-6-git-send-email-stanley.chu@mediatek.com
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Signed-off-by: Stanley Chu <stanley.chu@mediatek.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/scsi/ufs/ufs-mediatek.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/scsi/ufs/ufs-mediatek.c b/drivers/scsi/ufs/ufs-mediatek.c index fc5ba21ec02a..1f025723b61b 100644 --- a/drivers/scsi/ufs/ufs-mediatek.c +++ b/drivers/scsi/ufs/ufs-mediatek.c @@ -7,6 +7,7 @@ */ #include <linux/arm-smccc.h> +#include <linux/bitfield.h> #include <linux/of.h> #include <linux/of_address.h> #include <linux/phy/phy.h> @@ -305,6 +306,13 @@ static int ufs_mtk_post_link(struct ufs_hba *hba) /* enable unipro clock gating feature */ ufs_mtk_cfg_unipro_cg(hba, true); + /* configure auto-hibern8 timer to 10ms */ + if (ufshcd_is_auto_hibern8_supported(hba)) { + ufshcd_auto_hibern8_update(hba, + FIELD_PREP(UFSHCI_AHIBERN8_TIMER_MASK, 10) | + FIELD_PREP(UFSHCI_AHIBERN8_SCALE_MASK, 3)); + } + return 0; } |