Commit 548fdf77 authored by Nitin Rawat's avatar Nitin Rawat Committed by Martin K. Petersen
Browse files

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: default avatarNitin Rawat <quic_nitirawa@quicinc.com>
Link: https://lore.kernel.org/r/20230726134140.7180-2-quic_nitirawa@quicinc.com


Acked-by: default avatarManivannan Sadhasivam <mani@kernel.org>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent 6cae9a39

drivers/ufs/core/ufshcd.c

+2 −1
Original line number Diff line number Diff line
@@ -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)

{

include/ufs/ufshcd.h

+1 −0
Original line number Diff line number Diff line
@@ -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)