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scsi: core: Move autosuspend timer delay to Scsi_Host

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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>
This commit is contained in:
Peter Wang 2024-01-09 20:40:14 +08:00 committed by Martin K. Petersen
parent e0dc13e5a3
commit 4380e64a94
3 changed files with 11 additions and 6 deletions
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2
drivers/scsi/sd.c
View File

@ -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);

9
drivers/ufs/core/ufshcd.c
View File

@ -8031,11 +8031,13 @@ out:
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 */

6
include/scsi/scsi_host.h
View File

@ -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