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scsi: ufs: core: Export ufshcd_is_hba_active()
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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>
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Nitin Rawat authored and Martin K. Petersen committed Aug 8, 2023
1 parent 6cae9a3 commit 548fdf7
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Showing 2 changed files with 3 additions and 1 deletion.
3 changes: 2 additions & 1 deletion drivers/ufs/core/ufshcd.c
Original file line number Diff line number Diff line change
Expand Up @@ -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)
{
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1 change: 1 addition & 0 deletions include/ufs/ufshcd.h
Original file line number Diff line number Diff line change
Expand Up @@ -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)
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