Commit 9fa26887 authored by Bean Huo's avatar Bean Huo Committed by Martin K. Petersen
Browse files

scsi: ufs: core: Add ufshcd_is_ufs_dev_busy() 



Add helper inline for retrieving whether UFS device is busy or not.

Signed-off-by: default avatarBean Huo <beanhuo@micron.com>
Link: https://lore.kernel.org/r/20231212220825.85255-2-beanhuo@iokpp.de


Reviewed-by: default avatarAvri Altman <avri.altman@wdc.com>
Reviewed-by: default avatarThomas Weißschuh <linux@weissschuh.net>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent b85ea95d

drivers/ufs/core/ufshcd.c

+7 −4
Original line number Diff line number Diff line
@@ -235,6 +235,12 @@ ufs_get_desired_pm_lvl_for_dev_link_state(enum ufs_dev_pwr_mode dev_state, 
	return UFS_PM_LVL_0;

}



static bool ufshcd_is_ufs_dev_busy(struct ufs_hba *hba)

{

	return (hba->clk_gating.active_reqs || hba->outstanding_reqs || hba->outstanding_tasks ||

		hba->active_uic_cmd || hba->uic_async_done);

}



static const struct ufs_dev_quirk ufs_fixups[] = {

	/* UFS cards deviations table */

	{ .wmanufacturerid = UFS_VENDOR_MICRON,
@@ -1917,10 +1923,7 @@ static void ufshcd_gate_work(struct work_struct *work) 
		goto rel_lock;

	}



	if (hba->clk_gating.active_reqs

		|| hba->ufshcd_state != UFSHCD_STATE_OPERATIONAL

		|| hba->outstanding_reqs || hba->outstanding_tasks

		|| hba->active_uic_cmd || hba->uic_async_done)

	if (ufshcd_is_ufs_dev_busy(hba) || hba->ufshcd_state != UFSHCD_STATE_OPERATIONAL)

		goto rel_lock;



	spin_unlock_irqrestore(hba->host->host_lock, flags);