The patch titled
Subject: drivers/scsi/ufs/ufshcd.c: add SCSI host lock push-down for ufs
has been removed from the -mm tree. Its filename was
ufs-add-scsi-host-lock-push-down-for-ufs.patch
This patch was dropped because it was nacked
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
From: Namjae Jeon <linkinjeon@xxxxxxxxx>
Subject: drivers/scsi/ufs/ufshcd.c: add SCSI host lock push-down for ufs
The SCSI host lock push-down change has not yet been made the n ufs host
driver. After adding it, I removed an unneeded spinlock in queuecommand()
also.
Signed-off-by: Namjae Jeon <linkinjeon@xxxxxxxxx>
Cc: Santosh Y <santoshsy@xxxxxxxxx>
Cc: James Bottomley <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/scsi/ufs/ufshcd.c | 20 ++++++++++----------
1 file changed, 10 insertions(+), 10 deletions(-)
diff -puN drivers/scsi/ufs/ufshcd.c~ufs-add-scsi-host-lock-push-down-for-ufs drivers/scsi/ufs/ufshcd.c
--- a/drivers/scsi/ufs/ufshcd.c~ufs-add-scsi-host-lock-push-down-for-ufs
+++ a/drivers/scsi/ufs/ufshcd.c
@@ -658,23 +658,23 @@ static void ufshcd_compose_upiu(struct u
}
/**
- * ufshcd_queuecommand - main entry point for SCSI requests
+ * ufshcd_queuecommand_lck - main entry point for SCSI requests
* @cmd: command from SCSI Midlayer
* @done: call back function
*
* Returns 0 for success, non-zero in case of failure
*/
-static int ufshcd_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd)
+static int
+ufshcd_queuecommand_lck(struct scsi_cmnd *scp, void (*done)(struct scsi_cmnd *))
{
struct ufshcd_lrb *lrbp;
struct ufs_hba *hba;
- unsigned long flags;
int tag;
int err = 0;
- hba = shost_priv(host);
+ hba = shost_priv(scp->device->host);
- tag = cmd->request->tag;
+ tag = scp->request->tag;
if (hba->ufshcd_state != UFSHCD_STATE_OPERATIONAL) {
err = SCSI_MLQUEUE_HOST_BUSY;
@@ -683,11 +683,11 @@ static int ufshcd_queuecommand(struct Sc
lrbp = &hba->lrb[tag];
- lrbp->cmd = cmd;
+ lrbp->cmd = scp;
lrbp->sense_bufflen = SCSI_SENSE_BUFFERSIZE;
- lrbp->sense_buffer = cmd->sense_buffer;
+ lrbp->sense_buffer = scp->sense_buffer;
lrbp->task_tag = tag;
- lrbp->lun = cmd->device->lun;
+ lrbp->lun = scp->device->lun;
lrbp->command_type = UTP_CMD_TYPE_SCSI;
@@ -698,13 +698,13 @@ static int ufshcd_queuecommand(struct Sc
goto out;
/* issue command to the controller */
- spin_lock_irqsave(hba->host->host_lock, flags);
ufshcd_send_command(hba, tag);
- spin_unlock_irqrestore(hba->host->host_lock, flags);
out:
return err;
}
+static DEF_SCSI_QCMD(ufshcd_queuecommand);
+
/**
* ufshcd_memory_alloc - allocate memory for host memory space data structures
* @hba: per adapter instance
_
Patches currently in -mm which might be from linkinjeon@xxxxxxxxx are
drivers-scsi-ufs-reverse-the-ufshcd_is_device_present-logic.patch
drivers-scsi-ufs-fix-evaluation-of-task_failed-status.patch
ufs-fix-incorrect-return-value-about-success-and-failed.patch
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