linux-kernel - [PATCH v5 16/32] scsi: hisi_sas: add timer and spinlock init

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Date:	Wed, 18 Nov 2015 00:50:43 +0800
From:	John Garry <john.garry@...wei.com>
To:	<JBottomley@...n.com>, <robh+dt@...nel.org>, <pawel.moll@....com>,
	<mark.rutland@....com>, <ijc+devicetree@...lion.org.uk>,
	<galak@...eaurora.org>, <arnd@...db.de>
CC:	<linux-scsi@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<devicetree@...r.kernel.org>, <linuxarm@...wei.com>,
	<john.garry2@...l.dcu.ie>, <hare@...e.de>, <xuwei5@...ilicon.com>,
	<zhangfei.gao@...aro.org>, <john.garry@...wei.com>
Subject: [PATCH v5 16/32] scsi: hisi_sas: add timer and spinlock init

Signed-off-by: John Garry <john.garry@...wei.com>
---
 drivers/scsi/hisi_sas/hisi_sas.h      | 2 ++
 drivers/scsi/hisi_sas/hisi_sas_main.c | 3 +++
 2 files changed, 5 insertions(+)

diff --git a/drivers/scsi/hisi_sas/hisi_sas.h b/drivers/scsi/hisi_sas/hisi_sas.h
index 3a2400e..3749c46 100644
--- a/drivers/scsi/hisi_sas/hisi_sas.h
+++ b/drivers/scsi/hisi_sas/hisi_sas.h
@@ -97,7 +97,9 @@ struct hisi_hba {
 	u8 sas_addr[SAS_ADDR_SIZE];
 
 	int n_phy;
+	spinlock_t lock;
 
+	struct timer_list timer;
 	struct workqueue_struct *wq;
 
 	int slot_index_count;
diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c
index bc41ce4..06b863c 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_main.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_main.c
@@ -81,6 +81,7 @@ static int hisi_sas_alloc(struct hisi_hba *hisi_hba, struct Scsi_Host *shost)
 	struct platform_device *pdev = hisi_hba->pdev;
 	struct device *dev = &pdev->dev;
 
+	spin_lock_init(&hisi_hba->lock);
 	for (i = 0; i < hisi_hba->n_phy; i++) {
 		hisi_sas_phy_init(hisi_hba, i);
 		hisi_hba->port[i].port_attached = 0;
@@ -275,6 +276,8 @@ static struct Scsi_Host *hisi_sas_shost_alloc(struct platform_device *pdev,
 	hisi_hba->shost = shost;
 	SHOST_TO_SAS_HA(shost) = &hisi_hba->sha;
 
+	init_timer(&hisi_hba->timer);
+
 	sas_addr_prop = of_find_property(np, "sas-addr", NULL);
 	if (!sas_addr_prop || (sas_addr_prop->length != SAS_ADDR_SIZE))
 		goto err_out;
-- 
1.9.1

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