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>

diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c
index f45614a..9f43b03 100644 (file)
--- 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 bf4070a..7d07b25 100644 (file)
--- 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)