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Subject[PATCH v5 1/3] scsi: ufs: core: Add ufshcd_is_ufs_dev_busy()
Date
From: Bean Huo <beanhuo@micron.com>

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

Signed-off-by: Bean Huo <beanhuo@micron.com>
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Reviewed-by: Thomas Weißschuh <linux@weissschuh.net>
---
drivers/ufs/core/ufshcd.c | 11 +++++++----
1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c
index f0b837cb0c2b..43140699bc29 100644
--- a/drivers/ufs/core/ufshcd.c
+++ b/drivers/ufs/core/ufshcd.c
@@ -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);
--
2.34.1
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