[PATCH v2 5/6] scsi: ufs-mediatek: configure customized auto-hibern8 timer
From: Stanley Chu <hidden>
Date: 2019-12-30 05:33:07
Also in:
linux-mediatek, linux-scsi, lkml
Subsystem:
scsi subsystem, the rest · Maintainers:
"James E.J. Bottomley", "Martin K. Petersen", Linus Torvalds
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 <redacted> Cc: Can Guo <redacted> Cc: Florian Fainelli <f.fainelli@gmail.com> Cc: Matthias Brugger <matthias.bgg@gmail.com> Signed-off-by: Stanley Chu <redacted> Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com> --- drivers/scsi/ufs/ufs-mediatek.c | 8 ++++++++ 1 file changed, 8 insertions(+)
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; }
--
2.18.0
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