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

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Message-ID: <96428d0d7e086ea4fb765c618209a0cd1259b843.1316687776.git.viresh.kumar@st.com>
Date:	Thu, 22 Sep 2011 16:13:14 +0530
From:	Viresh Kumar <viresh.kumar@...com>
To:	<vinod.koul@...el.com>, <dan.j.williams@...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>
Subject: [PATCH 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 e2c8e4e..4010044 100644
--- a/drivers/dma/dw_dmac.c
+++ b/drivers/dma/dw_dmac.c
@@ -1414,7 +1414,7 @@ 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;
 
-- 
1.7.2.2

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