summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorNitin Rawat <quic_nitirawa@quicinc.com>2023-07-26 16:41:39 +0300
committerMartin K. Petersen <martin.petersen@oracle.com>2023-08-08 04:06:19 +0300
commit548fdf771b8e85e6f14fcebcf3443ea475444445 (patch)
treea671b4c7143f367ec78c4cfba42d0ad38a3ab6e8
parent6cae9a3910ac1b5daf5ac3db9576b78cc4eff5aa (diff)
downloadlinux-548fdf771b8e85e6f14fcebcf3443ea475444445.tar.xz
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>
-rw-r--r--drivers/ufs/core/ufshcd.c3
-rw-r--r--include/ufs/ufshcd.h1
2 files changed, 3 insertions, 1 deletions
diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c
index f45614a840ae..9f43b03f3b72 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 bf4070a4b95f..7d07b256e906 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)