Re: [PATCH V3 2/2] dmaengine: tegra-adma: Add support for Tegra210 ADMA

From: Vinod Koul
Date: Mon Oct 26 2015 - 22:10:24 EST


On Fri, Oct 16, 2015 at 08:35:19AM +0100, Jon Hunter wrote:
> +static inline void tdma_ch_write(struct tegra_adma_chan *tdc,
> + u32 reg, u32 val)

Coding style issue here

> +static int tegra_adma_alloc_chan_resources(struct dma_chan *dc)
> +{
> + struct tegra_adma_chan *tdc = to_tegra_adma_chan(dc);
> + int ret;
> +
> + ret = pm_runtime_get_sync(tdc2dev(tdc));
> + if (ret)
> + return ret;

pm_runtime_get_sync() return postive values on success too, so this can
fail. This check should be for less than zero case

--
~Vinod

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