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 -- To unsubscribe from this list: send the line "unsubscribe dmaengine" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html