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authorKiwoong Kim <kwmad.kim@samsung.com>2016-11-10 21:16:15 +0900
committerMartin K. Petersen <martin.petersen@oracle.com>2016-11-12 10:35:04 -0500
commitd2877be42f35a8420dc452cf775b5f99b55169aa (patch)
tree7b4910a5a04a1a5cca7d1298cf5cea6803cbd777 /drivers/scsi/ufs
parent0e675efa9e9edef113bb55b25d1f22b1ae8225f4 (diff)
downloadlinux-d2877be42f35a8420dc452cf775b5f99b55169aa.tar.bz2
scsi: ufs: introduce setup_task_mgmt
Some UFS host controller may need to configure some things before any task management request is issued Signed-off-by: Kiwoong Kim <kwmad.kim@samsung.com> Reviewed-by: Subhash Jadavani <subhashj@codeaurora.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/ufs')
-rw-r--r--drivers/scsi/ufs/ufshcd.c2
-rw-r--r--drivers/scsi/ufs/ufshcd.h10
2 files changed, 12 insertions, 0 deletions
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index 5d83f55edbde..043e777712ae 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -4357,6 +4357,8 @@ static int ufshcd_issue_tm_cmd(struct ufs_hba *hba, int lun_id, int task_id,
task_req_upiup->input_param1 = cpu_to_be32(lun_id);
task_req_upiup->input_param2 = cpu_to_be32(task_id);
+ ufshcd_vops_setup_task_mgmt(hba, free_slot, tm_function);
+
/* send command to the controller */
__set_bit(free_slot, &hba->outstanding_tasks);
diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h
index e935fd1b6b3a..05d8384a9b2a 100644
--- a/drivers/scsi/ufs/ufshcd.h
+++ b/drivers/scsi/ufs/ufshcd.h
@@ -263,6 +263,8 @@ struct ufs_pwr_mode_info {
* to be set.
* @setup_xfer_req: called before any transfer request is issued
* to set some things
+ * @setup_task_mgmt: called before any task management request is issued
+ * to set some things
* @suspend: called during host controller PM callback
* @resume: called during host controller PM callback
* @dbg_register_dump: used to dump controller debug information
@@ -287,6 +289,7 @@ struct ufs_hba_variant_ops {
struct ufs_pa_layer_attr *,
struct ufs_pa_layer_attr *);
void (*setup_xfer_req)(struct ufs_hba *, int, bool);
+ void (*setup_task_mgmt)(struct ufs_hba *, int, u8);
int (*suspend)(struct ufs_hba *, enum ufs_pm_op);
int (*resume)(struct ufs_hba *, enum ufs_pm_op);
void (*dbg_register_dump)(struct ufs_hba *hba);
@@ -811,6 +814,13 @@ static inline void ufshcd_vops_setup_xfer_req(struct ufs_hba *hba, int tag,
return hba->vops->setup_xfer_req(hba, tag, is_scsi_cmd);
}
+static inline void ufshcd_vops_setup_task_mgmt(struct ufs_hba *hba,
+ int tag, u8 tm_function)
+{
+ if (hba->vops && hba->vops->setup_task_mgmt)
+ return hba->vops->setup_task_mgmt(hba, tag, tm_function);
+}
+
static inline int ufshcd_vops_suspend(struct ufs_hba *hba, enum ufs_pm_op op)
{
if (hba->vops && hba->vops->suspend)