[PATCH v4 2/3] scsi: ufs: Introduce ufshcd_is_auto_hibern8_supported()

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ufshcd_is_auto_hibern8_supported() will be used elsewhere
in the driver, thus refactor it for preparation.

Signed-off-by: Stanley Chu <stanley.chu@xxxxxxxxxxxx>
Reviewed-by: Bean Huo <beanhuo@xxxxxxxxxx>
Reviewed-by: Alim Akhtar <alim.akhtar@xxxxxxxxxxx>
---
 drivers/scsi/ufs/ufshcd.c | 2 +-
 drivers/scsi/ufs/ufshcd.h | 5 +++++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index ba04d07df279..c904625d9905 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -8312,7 +8312,7 @@ int ufshcd_init(struct ufs_hba *hba, void __iomem *mmio_base, unsigned int irq)
 						UIC_LINK_HIBERN8_STATE);
 
 	/* Set the default auto-hiberate idle timer value to 150 ms */
-	if ((hba->capabilities & MASK_AUTO_HIBERN8_SUPPORT) && !hba->ahit) {
+	if (ufshcd_is_auto_hibern8_supported(hba) && !hba->ahit) {
 		hba->ahit = FIELD_PREP(UFSHCI_AHIBERN8_TIMER_MASK, 150) |
 			    FIELD_PREP(UFSHCI_AHIBERN8_SCALE_MASK, 3);
 	}
diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h
index ecfa898b9ccc..994d73d03207 100644
--- a/drivers/scsi/ufs/ufshcd.h
+++ b/drivers/scsi/ufs/ufshcd.h
@@ -740,6 +740,11 @@ return true;
 #endif
 }
 
+static inline bool ufshcd_is_auto_hibern8_supported(struct ufs_hba *hba)
+{
+	return (hba->capabilities & MASK_AUTO_HIBERN8_SUPPORT);
+}
+
 #define ufshcd_writel(hba, val, reg)	\
 	writel((val), (hba)->mmio_base + (reg))
 #define ufshcd_readl(hba, reg)	\
-- 
2.18.0




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