From 6782dfe44acedf1e583d84e9e0d4f966d8e9befa Mon Sep 17 00:00:00 2001
From: Peter Korsgaard <jacmet@sunsite.dk>
Date: Wed, 14 Jan 2009 22:32:58 -0700
Subject: [PATCH] fsldma: check for NO_IRQ in fsl_dma_chan_remove()

There's no per-channel IRQ on mpc83xx, so only call free_irq if we have one.

Acked-by: Timur Tabi <timur@freescale.com>
Acked-by: Li Yang <leoli@freescale.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
 drivers/dma/fsldma.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/dma/fsldma.c b/drivers/dma/fsldma.c
index 748e140..b1b45eb 100644
--- a/drivers/dma/fsldma.c
+++ b/drivers/dma/fsldma.c
@@ -890,7 +890,8 @@ err_no_reg:
 
 static void fsl_dma_chan_remove(struct fsl_dma_chan *fchan)
 {
-	free_irq(fchan->irq, fchan);
+	if (fchan->irq != NO_IRQ)
+		free_irq(fchan->irq, fchan);
 	list_del(&fchan->common.device_node);
 	iounmap(fchan->reg_base);
 	kfree(fchan);
-- 
2.7.4