From 4380e64a94e16c757552e8e2fbdc856415012fc8 Mon Sep 17 00:00:00 2001
From: Peter Wang <peter.wang@mediatek.com>
Date: Tue, 9 Jan 2024 20:40:14 +0800
Subject: [PATCH] scsi: core: Move autosuspend timer delay to Scsi_Host
The runtime suspend timer delay is a const value in scsi_host_template
which a host driver cannot modify at runtime. Move the delay to Scsi_Host
to allow a driver to update it.
Signed-off-by: Peter Wang <peter.wang@mediatek.com>
Link: https://lore.kernel.org/r/20240109124015.31359-2-peter.wang@mediatek.com
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
drivers/scsi/sd.c | 2 +-
drivers/ufs/core/ufshcd.c | 9 +++++++--
include/scsi/scsi_host.h | 6 +++---
3 files changed, 11 insertions(+), 6 deletions(-)
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 0833b3e6aa6e8..d1b87670764cb 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -3728,7 +3728,7 @@ static int sd_probe(struct device *dev)
blk_pm_runtime_init(sdp->request_queue, dev);
if (sdp->rpm_autosuspend) {
pm_runtime_set_autosuspend_delay(dev,
- sdp->host->hostt->rpm_autosuspend_delay);
+ sdp->host->rpm_autosuspend_delay);
}
error = device_add_disk(dev, gd, NULL);
diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c
index 10b0c9cea0f02..e519695b704fe 100644
--- a/drivers/ufs/core/ufshcd.c
+++ b/drivers/ufs/core/ufshcd.c
@@ -8031,11 +8031,13 @@ static void ufshcd_set_active_icc_lvl(struct ufs_hba *hba)
static inline void ufshcd_blk_pm_runtime_init(struct scsi_device *sdev)
{
+ struct Scsi_Host *shost = sdev->host;
+
scsi_autopm_get_device(sdev);
blk_pm_runtime_init(sdev->request_queue, &sdev->sdev_gendev);
if (sdev->rpm_autosuspend)
pm_runtime_set_autosuspend_delay(&sdev->sdev_gendev,
- RPM_AUTOSUSPEND_DELAY_MS);
+ shost->rpm_autosuspend_delay);
scsi_autopm_put_device(sdev);
}
@@ -9109,7 +9111,6 @@ static const struct scsi_host_template ufshcd_driver_template = {
.track_queue_depth = 1,
.skip_settle_delay = 1,
.sdev_groups = ufshcd_driver_groups,
- .rpm_autosuspend_delay = RPM_AUTOSUSPEND_DELAY_MS,
};
static int ufshcd_config_vreg_load(struct device *dev, struct ufs_vreg *vreg,
@@ -10568,6 +10569,10 @@ int ufshcd_init(struct ufs_hba *hba, void __iomem *mmio_base, unsigned int irq)
host->max_cmd_len = UFS_CDB_SIZE;
host->queuecommand_may_block = !!(hba->caps & UFSHCD_CAP_CLK_GATING);
+ /* Use default RPM delay if host not set */
+ if (host->rpm_autosuspend_delay == 0)
+ host->rpm_autosuspend_delay = RPM_AUTOSUSPEND_DELAY_MS;
+
hba->max_pwr_info.is_valid = false;
/* Initialize work queues */
diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h
index 3b907fc2ef08f..b259d42a1e1af 100644
--- a/include/scsi/scsi_host.h
+++ b/include/scsi/scsi_host.h
@@ -497,9 +497,6 @@ struct scsi_host_template {
* scsi_netlink.h
*/
u64 vendor_id;
-
- /* Delay for runtime autosuspend */
- int rpm_autosuspend_delay;
};
/*
@@ -713,6 +710,9 @@ struct Scsi_Host {
*/
struct device *dma_dev;
+ /* Delay for runtime autosuspend */
+ int rpm_autosuspend_delay;
+
/*
* We should ensure that this is aligned, both for better performance
* and also because some compilers (m68k) don't automatically force
--
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