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| author | Nitin Rawat <quic_nitirawa@quicinc.com> | 2023-07-26 15:41:39 +0200 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2023-08-08 03:06:19 +0200 |
| commit | 548fdf771b8e85e6f14fcebcf3443ea475444445 (patch) | |
| tree | a671b4c7143f367ec78c4cfba42d0ad38a3ab6e8 | |
| parent | Merge patch series "Multiple cleanup patches for the UFS driver" (diff) | |
| download | linux-548fdf771b8e85e6f14fcebcf3443ea475444445.tar.xz linux-548fdf771b8e85e6f14fcebcf3443ea475444445.zip | |
scsi: ufs: core: Export ufshcd_is_hba_active()
Export ufshcd_is_hba_active() to allow driver modules to check the state of
the host controller.
Signed-off-by: Nitin Rawat <quic_nitirawa@quicinc.com>
Link: https://lore.kernel.org/r/20230726134140.7180-2-quic_nitirawa@quicinc.com
Acked-by: Manivannan Sadhasivam <mani@kernel.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
| -rw-r--r-- | drivers/ufs/core/ufshcd.c | 3 | ||||
| -rw-r--r-- | include/ufs/ufshcd.h | 1 |
2 files changed, 3 insertions, 1 deletions
diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c index f45614a840ae..9f43b03f3b72 100644 --- a/drivers/ufs/core/ufshcd.c +++ b/drivers/ufs/core/ufshcd.c @@ -969,10 +969,11 @@ static inline void ufshcd_hba_start(struct ufs_hba *hba) * * Return: true if and only if the controller is active. */ -static inline bool ufshcd_is_hba_active(struct ufs_hba *hba) +bool ufshcd_is_hba_active(struct ufs_hba *hba) { return ufshcd_readl(hba, REG_CONTROLLER_ENABLE) & CONTROLLER_ENABLE; } +EXPORT_SYMBOL_GPL(ufshcd_is_hba_active); u32 ufshcd_get_local_unipro_ver(struct ufs_hba *hba) { diff --git a/include/ufs/ufshcd.h b/include/ufs/ufshcd.h index bf4070a4b95f..7d07b256e906 100644 --- a/include/ufs/ufshcd.h +++ b/include/ufs/ufshcd.h @@ -1385,6 +1385,7 @@ int ufshcd_wb_toggle_buf_flush(struct ufs_hba *hba, bool enable); int ufshcd_suspend_prepare(struct device *dev); int __ufshcd_suspend_prepare(struct device *dev, bool rpm_ok_for_spm); void ufshcd_resume_complete(struct device *dev); +bool ufshcd_is_hba_active(struct ufs_hba *hba); /* Wrapper functions for safely calling variant operations */ static inline int ufshcd_vops_init(struct ufs_hba *hba) |