linux-kernel - [PATCH] dma: ipu: Drop unused spinlock

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Message-ID: <20120906091935.64c851ac@endymion.delvare>
Date:	Thu, 6 Sep 2012 09:19:35 +0200
From:	Jean Delvare <khali@...ux-fr.org>
To:	LKML <linux-kernel@...r.kernel.org>
Cc:	Vinod Koul <vinod.koul@...el.com>, Dan Williams <djbw@...com>
Subject: [PATCH] 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@...ux-fr.org>
Cc: Vinod Koul <vinod.koul@...el.com>
Cc: Dan Williams <djbw@...com>
---
I can't even build-test this.

 drivers/dma/ipu/ipu_irq.c |    1 -
 1 file changed, 1 deletion(-)

--- linux-3.6-rc4.orig/drivers/dma/ipu/ipu_irq.c	2012-08-04 21:49:26.000000000 +0200
+++ linux-3.6-rc4/drivers/dma/ipu/ipu_irq.c	2012-09-06 09:13:31.034228670 +0200
@@ -45,7 +45,6 @@ static void ipu_write_reg(struct ipu *ip
 struct ipu_irq_bank {
 	unsigned int	control;
 	unsigned int	status;
-	spinlock_t	lock;
 	struct ipu	*ipu;
 };
 


-- 
Jean Delvare
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