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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>
This commit is contained in:
Nitin Rawat 2023-07-26 19:11:39 +05:30 committed by Martin K. Petersen
parent 6cae9a3910
commit 548fdf771b
2 changed files with 3 additions and 1 deletions
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3
drivers/ufs/core/ufshcd.c
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@ -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)
{

1
include/ufs/ufshcd.h
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@ -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)