linux-kernel - Re: [RFC PATCH 1/7] DMA: tegra-apb: Correct runtime-pm usage

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Message-ID: <20150823141707.GB13546@localhost>
Date:	Sun, 23 Aug 2015 19:47:07 +0530
From:	Vinod Koul <vinod.koul@...el.com>
To:	Jon Hunter <jonathanh@...dia.com>
Cc:	Laxman Dewangan <ldewangan@...dia.com>,
	Stephen Warren <swarren@...dotorg.org>,
	Thierry Reding <thierry.reding@...il.com>,
	Alexandre Courbot <gnurou@...il.com>,
	dmaengine@...r.kernel.org, linux-tegra@...r.kernel.org,
	linux-kernel@...r.kernel.org, devicetree@...r.kernel.org
Subject: Re: [RFC PATCH 1/7] DMA: tegra-apb: Correct runtime-pm usage

On Tue, Aug 18, 2015 at 02:49:09PM +0100, Jon Hunter wrote:

> @@ -1543,7 +1531,7 @@ static int tegra_dma_pm_suspend(struct device *dev)
>  	int ret;
>  
>  	/* Enable clock before accessing register */
> -	ret = tegra_dma_runtime_resume(dev);
> +	ret = pm_runtime_get_sync(dev);

why is this required ?

-- 
~Vinod

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