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authorYaniv Gardi <ygardi@codeaurora.org>2016-03-10 17:37:20 +0200
committerMartin K. Petersen <martin.petersen@oracle.com>2016-03-14 21:04:45 -0400
commitf37aabcf58202e65db3035b1b360d856dd378ee2 (patch)
treeacc36ed984b588c2b88b3ff72cffd277d9f082ff /drivers/scsi/ufs/ufshcd.h
parent4b9ad0b88c3e8400f23aac63ac7709d4cd972392 (diff)
scsi: ufs-qcom: enable/disable the device ref clock
This change enables the device ref clock before changing to HS mode and disables it if entered to PWM mode. Reviewed-by: Gilad Broner <gbroner@codeaurora.org> Signed-off-by: Yaniv Gardi <ygardi@codeaurora.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/ufs/ufshcd.h')
-rw-r--r--drivers/scsi/ufs/ufshcd.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h
index 41d9bfd17fac..4bb65669f052 100644
--- a/drivers/scsi/ufs/ufshcd.h
+++ b/drivers/scsi/ufs/ufshcd.h
@@ -54,6 +54,7 @@
#include <linux/clk.h>
#include <linux/completion.h>
#include <linux/regulator/consumer.h>
+#include "unipro.h"
#include <asm/irq.h>
#include <asm/byteorder.h>
@@ -689,6 +690,14 @@ static inline int ufshcd_dme_peer_get(struct ufs_hba *hba,
int ufshcd_read_device_desc(struct ufs_hba *hba, u8 *buf, u32 size);
+static inline bool ufshcd_is_hs_mode(struct ufs_pa_layer_attr *pwr_info)
+{
+ return (pwr_info->pwr_rx == FAST_MODE ||
+ pwr_info->pwr_rx == FASTAUTO_MODE) &&
+ (pwr_info->pwr_tx == FAST_MODE ||
+ pwr_info->pwr_tx == FASTAUTO_MODE);
+}
+
#define ASCII_STD true
int ufshcd_read_string_desc(struct ufs_hba *hba, int desc_index, u8 *buf,