diff options
| author | Stanley Chu <stanley.chu@mediatek.com> | 2020-11-16 14:50:52 +0800 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2020-11-17 01:03:18 -0500 |
| commit | fc85a74e28fe087dceb80eb69f37307ec97b6b47 (patch) | |
| tree | 1d9b767940528733935fc575b39906fbeb69a5a9 /drivers/scsi/ufs | |
| parent | 85d6d3c18953b9653d0934c087fe73ff02e43c79 (diff) | |
| download | linux-fc85a74e28fe087dceb80eb69f37307ec97b6b47.tar.bz2 | |
scsi: ufs: Refactor ADAPT configuration function
Several vendors are using same code to configure ADAPT settings for
HS-G4. Simply refactor it as common function.
Link: https://lore.kernel.org/r/20201116065054.7658-8-stanley.chu@mediatek.com
Reviewed-by: Bean Huo <beanhuo@micron.com>
Signed-off-by: Stanley Chu <stanley.chu@mediatek.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/ufs')
| -rw-r--r-- | drivers/scsi/ufs/ufshcd.c | 16 | ||||
| -rw-r--r-- | drivers/scsi/ufs/ufshcd.h | 3 |
2 files changed, 19 insertions, 0 deletions
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index 9186ee01379a..80cbce414678 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -3587,6 +3587,22 @@ static int ufshcd_dme_reset(struct ufs_hba *hba) return ret; } +int ufshcd_dme_configure_adapt(struct ufs_hba *hba, + int agreed_gear, + int adapt_val) +{ + int ret; + + if (agreed_gear != UFS_HS_G4) + adapt_val = PA_INITIAL_ADAPT; + + ret = ufshcd_dme_set(hba, + UIC_ARG_MIB(PA_TXHSADAPTTYPE), + adapt_val); + return ret; +} +EXPORT_SYMBOL_GPL(ufshcd_dme_configure_adapt); + /** * ufshcd_dme_enable - UIC command for DME_ENABLE * @hba: per adapter instance diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h index 5191d87f6263..d0b68df07eef 100644 --- a/drivers/scsi/ufs/ufshcd.h +++ b/drivers/scsi/ufs/ufshcd.h @@ -956,6 +956,9 @@ extern int ufshcd_runtime_idle(struct ufs_hba *hba); extern int ufshcd_system_suspend(struct ufs_hba *hba); extern int ufshcd_system_resume(struct ufs_hba *hba); extern int ufshcd_shutdown(struct ufs_hba *hba); +extern int ufshcd_dme_configure_adapt(struct ufs_hba *hba, + int agreed_gear, + int adapt_val); extern int ufshcd_dme_set_attr(struct ufs_hba *hba, u32 attr_sel, u8 attr_set, u32 mib_val, u8 peer); extern int ufshcd_dme_get_attr(struct ufs_hba *hba, u32 attr_sel, |