From d2877be42f35a8420dc452cf775b5f99b55169aa Mon Sep 17 00:00:00 2001 From: Kiwoong Kim Date: Thu, 10 Nov 2016 21:16:15 +0900 Subject: 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 Reviewed-by: Subhash Jadavani Signed-off-by: Martin K. Petersen --- drivers/scsi/ufs/ufshcd.c | 2 ++ drivers/scsi/ufs/ufshcd.h | 10 ++++++++++ 2 files changed, 12 insertions(+) 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) -- cgit v1.2.3