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Commit d2877be4 authored by Kiwoong Kim's avatar Kiwoong Kim Committed by Martin K. Petersen
Browse files

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: default avatarKiwoong Kim <kwmad.kim@samsung.com>
Reviewed-by: default avatarSubhash Jadavani <subhashj@codeaurora.org>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent 0e675efa

drivers/scsi/ufs/ufshcd.c

+2 −0
Original line number Diff line number Diff line
@@ -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);

drivers/scsi/ufs/ufshcd.h

+10 −0
Original line number Diff line number Diff line
@@ -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)