[SCSI] ufs: wrap the i/o access operations
Simplify operations with hiding mmio_base.
Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com>
Tested-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Santosh Y <santoshsy@gmail.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h
index 6b99a42..807dd2d 100644
--- a/drivers/scsi/ufs/ufshcd.h
+++ b/drivers/scsi/ufs/ufshcd.h
@@ -186,6 +186,11 @@
u32 errors;
};
+#define ufshcd_writel(hba, val, reg) \
+ writel((val), (hba)->mmio_base + (reg))
+#define ufshcd_readl(hba, reg) \
+ readl((hba)->mmio_base + (reg))
+
int ufshcd_init(struct device *, struct ufs_hba ** , void __iomem * ,
unsigned int);
void ufshcd_remove(struct ufs_hba *);
@@ -196,7 +201,7 @@
*/
static inline void ufshcd_hba_stop(struct ufs_hba *hba)
{
- writel(CONTROLLER_DISABLE, (hba->mmio_base + REG_CONTROLLER_ENABLE));
+ ufshcd_writel(hba, CONTROLLER_DISABLE, REG_CONTROLLER_ENABLE);
}
#endif /* End of Header */