On Wed, Jan 9, 2013 at 4:18 PM, Vinod Koul <[email protected]> wrote: > On Wed, Jan 09, 2013 at 10:17:15AM +0200, Andy Shevchenko wrote: >> From: Heikki Krogerus <[email protected]> >> >> The DMA transfer could not be established if previously it was paused and >> terminated. In that case the channel's suspend bit remains set that prevents >> to >> transfer anything until channel is resumed. >> >> The patch adds a code that clears the DWC_CFGL_CH_SUSP bit during >> termination. > No this patch calls resume to do so... Can you update the change log
Updated. Will occur in patch v2. >> >> Signed-off-by: Heikki Krogerus <[email protected]> >> Signed-off-by: Andy Shevchenko <[email protected]> >> Acked-by: Viresh Kumar <[email protected]> >> --- >> drivers/dma/dw_dmac.c | 2 +- >> 1 file changed, 1 insertion(+), 1 deletion(-) >> >> diff --git a/drivers/dma/dw_dmac.c b/drivers/dma/dw_dmac.c >> index 6a8f8c7..c6ebea1 100644 >> --- a/drivers/dma/dw_dmac.c >> +++ b/drivers/dma/dw_dmac.c >> @@ -1059,7 +1059,7 @@ static int dwc_control(struct dma_chan *chan, enum >> dma_ctrl_cmd cmd, >> >> dwc_chan_disable(dw, dwc); >> >> - dwc->paused = false; >> + dwc_chan_resume(dwc); >> >> /* active_list entries will end up before queued entries */ >> list_splice_init(&dwc->queue, &list); >> -- >> 1.7.10.4 >> > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to [email protected] > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ -- With Best Regards, Andy Shevchenko -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
