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Commit b11cc577 authored by Neeraj Soni's avatar Neeraj Soni
Browse files

scsi: ufs: Increase crypto thread priority 



Crypto work is used to program file keys into
the Crypto HW. Some times the thread is scheduled
but is not executed and is preempted oftenly by
block i/o kworker. This causes same requests to be
requeued  leading to timeout and cpu overload issues.

Change-Id: Icd9b5108018b85d60d72858c92673e1f2feddbd4
Signed-off-by: default avatarNeeraj Soni <neersoni@codeaurora.org>
parent a423f3f3

drivers/scsi/ufs/ufs-qcom-ice.c

+11 −2
Original line number Diff line number Diff line
@@ -27,6 +27,8 @@ 


#define UFS_QCOM_ICE_DEFAULT_DBG_PRINT_EN	0



static struct workqueue_struct *ice_workqueue;



static void ufs_qcom_ice_dump_regs(struct ufs_qcom_host *qcom_host, int offset,

					int len, char *prefix)

{
@@ -235,6 +237,13 @@ int ufs_qcom_ice_init(struct ufs_qcom_host *qcom_host) 
	}



	qcom_host->dbg_print_en |= UFS_QCOM_ICE_DEFAULT_DBG_PRINT_EN;

	ice_workqueue = alloc_workqueue("ice-set-key",

			WQ_MEM_RECLAIM | WQ_HIGHPRI, 0);

	if (!ice_workqueue) {

		dev_err(ufs_dev, "%s: workqueue allocation failed.\n",

			__func__);

		goto out;

	}

	INIT_WORK(&qcom_host->ice_cfg_work, ufs_qcom_ice_cfg_work);



out:
@@ -299,7 +308,7 @@ int ufs_qcom_ice_req_setup(struct ufs_qcom_host *qcom_host, 
						qcom_host->hba);

					qcom_host->req_pending = cmd->request;



					if (!schedule_work(

					if (!queue_work(ice_workqueue,

						&qcom_host->ice_cfg_work)) {

						qcom_host->req_pending = NULL;
@@ -423,7 +432,7 @@ int ufs_qcom_ice_cfg_start(struct ufs_qcom_host *qcom_host, 
					ufshcd_scsi_block_requests(

						qcom_host->hba);

					qcom_host->req_pending = cmd->request;

					if (!schedule_work(

					if (!queue_work(ice_workqueue,

						&qcom_host->ice_cfg_work)) {

						qcom_host->req_pending = NULL;