From 548fdf771b8e85e6f14fcebcf3443ea475444445 Mon Sep 17 00:00:00 2001
From: Nitin Rawat <quic_nitirawa@quicinc.com>
Date: Wed, 26 Jul 2023 19:11:39 +0530
Subject: [PATCH] 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>
---
drivers/ufs/core/ufshcd.c | 3 ++-
include/ufs/ufshcd.h | 1 +
2 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c
index f45614a840aea..9f43b03f3b728 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 bf4070a4b95f1..7d07b256e906b 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)