linux-kernel - Re: [PATCH] dmaengine: fix balance of privatecnt inc/dec operations

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Message-ID: <20150817171831.GR13546@localhost>
Date:	Mon, 17 Aug 2015 22:48:31 +0530
From:	Vinod Koul <vinod.koul@...el.com>
To:	Robert Baldyga <r.baldyga@...sung.com>
Cc:	dan.j.williams@...el.com, dmaengine@...r.kernel.org,
	linux-kernel@...r.kernel.org, m.szyprowski@...sung.com,
	k.kozlowski@...sung.com
Subject: Re: [PATCH] dmaengine: fix balance of privatecnt inc/dec operations

On Fri, Aug 07, 2015 at 12:26:47PM +0200, Robert Baldyga wrote:
> This patch increments privatecnt value and set DMA_PRIVATE in device
> caps in dma_request_slave_channel() function. This is needed to keep
> privatecnt increment/decrement balance.
> 
> As function dma_release_channel() decrements privatecnt counter, we need
> to increment it when channel is requested. Otherwise privatecnt drops
> into negatives after few dma_release_channel() calls.

Applied, thanks

-- 
~Vinod

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