From: Jean Delvare <khali@linux-fr.org>
Date: Thu, 6 Sep 2012 07:19:35 +0000 (+0200)
Subject: dma: ipu: Drop unused spinlock
X-Git-Tag: v3.9-rc1~80^2~52
X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=e65f32ca21faed30ce37cd6480271697fe671f74;p=~emulex%2Finfiniband.git

dma: ipu: Drop unused spinlock

I was checking why this spinlock was never initialized, but it turns
out it's not used anywhere, so we can drop it.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Dan Williams <djbw@fb.com>
---

diff --git a/drivers/dma/ipu/ipu_irq.c b/drivers/dma/ipu/ipu_irq.c
index a5ee37d5320..2e284a4438b 100644
--- a/drivers/dma/ipu/ipu_irq.c
+++ b/drivers/dma/ipu/ipu_irq.c
@@ -44,7 +44,6 @@ static void ipu_write_reg(struct ipu *ipu, u32 value, unsigned long reg)
 struct ipu_irq_bank {
 	unsigned int	control;
 	unsigned int	status;
-	spinlock_t	lock;
 	struct ipu	*ipu;
 };