Commit c2c38c57 authored by Manivannan Sadhasivam's avatar Manivannan Sadhasivam Committed by Martin K. Petersen
Browse files

scsi: ufs: core: Add reinit_notify() callback 



reinit_notify() callback can be used by the UFS controller drivers to
perform changes required for UFSHCD reinit that can happen during max gear
switch.

Tested-by: Andrew Halaney <ahalaney@redhat.com> # Qdrive3/sa8540p-ride
Signed-off-by: default avatarManivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Reviewed-by: default avatarBart Van Assche <bvanassche@acm.org>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent 7959587f

drivers/ufs/core/ufshcd-priv.h

+6 −0
Original line number Diff line number Diff line
@@ -223,6 +223,12 @@ static inline void ufshcd_vops_config_scaling_param(struct ufs_hba *hba, 
		hba->vops->config_scaling_param(hba, p, data);

}



static inline void ufshcd_vops_reinit_notify(struct ufs_hba *hba)

{

	if (hba->vops && hba->vops->reinit_notify)

		hba->vops->reinit_notify(hba);

}



extern const struct ufs_pm_lvl_states ufs_pm_lvl_states[];



/**

include/ufs/ufshcd.h

+2 −0
Original line number Diff line number Diff line
@@ -298,6 +298,7 @@ struct ufs_pwr_mode_info { 
 * @config_scaling_param: called to configure clock scaling parameters

 * @program_key: program or evict an inline encryption key

 * @event_notify: called to notify important events

 * @reinit_notify: called to notify reinit of UFSHCD during max gear switch

 */

struct ufs_hba_variant_ops {

	const char *name;
@@ -336,6 +337,7 @@ struct ufs_hba_variant_ops { 
			       const union ufs_crypto_cfg_entry *cfg, int slot);

	void	(*event_notify)(struct ufs_hba *hba,

				enum ufs_event_type evt, void *data);

	void	(*reinit_notify)(struct ufs_hba *);

};



/* clock gating state  */