linux-kernel - [PATCH V1 Resend 3/3] dmaengine/dw_dmac: Don't use magic number for total number of channels

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Message-ID: <47078aa380433c8ee0021eba231cc5965795cfcd.1324268691.git.viresh.kumar@st.com>
Date:	Mon, 19 Dec 2011 10:01:00 +0530
From:	Viresh Kumar <viresh.kumar@...com>
To:	<dan.j.williams@...el.com>, <vinod.koul@...el.com>
Cc:	<linux-kernel@...r.kernel.org>, <armando.visconti@...com>,
	<shiraz.hashim@...com>, <vipin.kumar@...com>,
	<rajeev-dlh.kumar@...com>, <deepak.sikri@...com>,
	<vipulkumar.samar@...com>, <amit.virdi@...com>,
	<viresh.kumar@...com>, <pratyush.anand@...com>,
	<bhupesh.sharma@...com>, <viresh.linux@...il.com>,
	<bhavna.yadav@...com>, <vincenzo.frascino@...com>,
	<mirko.gardi@...com>
Subject: [PATCH V1 Resend 3/3] dmaengine/dw_dmac: Don't use magic number for total number of channels

Total number of channels is passed in pdata->nr_channels variable, thus we must
not use magic number '7' for total number of channels.

Signed-off-by: Viresh Kumar <viresh.kumar@...com>
---
 drivers/dma/dw_dmac.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/dma/dw_dmac.c b/drivers/dma/dw_dmac.c
index 35c8829..96b2750 100644
--- a/drivers/dma/dw_dmac.c
+++ b/drivers/dma/dw_dmac.c
@@ -1434,7 +1434,7 @@ static int __init dw_probe(struct platform_device *pdev)
 
 		/* 7 is highest priority & 0 is lowest. */
 		if (pdata->chan_priority == CHAN_PRIORITY_ASCENDING)
-			dwc->priority = 7 - i;
+			dwc->priority = pdata->nr_channels - i - 1;
 		else
 			dwc->priority = i;
 
-- 
1.7.8.110.g4cb5d

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