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authorDaniel Vetter <daniel.vetter@ffwll.ch>2017-03-14 17:07:33 +0300
committerDaniel Vetter <daniel.vetter@ffwll.ch>2017-03-14 17:07:33 +0300
commitb70366e5d31788650b2a5cec5cd13ea80ac7e44a (patch)
treed972ffd190111d699200448494fda333d28b2486 /drivers/scsi/hisi_sas/hisi_sas_v1_hw.c
parentf42e181935d5e5670c87d31ae48063a495bbacae (diff)
parentdb6ccf23e8ba40fc2e8914ec9c0eb950df71d9fe (diff)
downloadlinux-b70366e5d31788650b2a5cec5cd13ea80ac7e44a.tar.xz
Merge tag 'doc-4.11-images' of git://git.lwn.net/linux into drm-misc-next
Pointer for Markus's image conversion work. We need this so we can merge all the pretty drm graphs for 4.12. Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Diffstat (limited to 'drivers/scsi/hisi_sas/hisi_sas_v1_hw.c')
-rw-r--r--drivers/scsi/hisi_sas/hisi_sas_v1_hw.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c
index 8a1be0ba8a22..854fbeaade3e 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c
@@ -1596,6 +1596,7 @@ static irqreturn_t cq_interrupt_v1_hw(int irq, void *p)
hisi_hba->complete_hdr[queue];
u32 irq_value, rd_point = cq->rd_point, wr_point;
+ spin_lock(&hisi_hba->lock);
irq_value = hisi_sas_read32(hisi_hba, OQ_INT_SRC);
hisi_sas_write32(hisi_hba, OQ_INT_SRC, 1 << queue);
@@ -1628,6 +1629,7 @@ static irqreturn_t cq_interrupt_v1_hw(int irq, void *p)
/* update rd_point */
cq->rd_point = rd_point;
hisi_sas_write32(hisi_hba, COMPL_Q_0_RD_PTR + (0x14 * queue), rd_point);
+ spin_unlock(&hisi_hba->lock);
return IRQ_HANDLED;
}