| Subject | Re: [PATCH 4.9 037/109] dmaengine: stm32-dma: Set correct args number for DMA request from DT | From | Pierre Yves MORDRET <> | Date | Thu, 7 Dec 2017 14:14:32 +0100 |
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Hi,
I may ack this patch but what about dt-bindings and DT ?
~PYM~
On 12/07/2017 02:03 PM, Ludovic BARRE wrote: > add Pierre-yves Mordret > > acked-by: Ludovic BARRE <ludovic.barre@st.com> > > On 12/07/2017 01:56 PM, Greg Kroah-Hartman wrote: >> 4.9-stable review patch. If anyone has any objections, please let me know. >> >> ------------------ >> >> From: M'boumba Cedric Madianga <cedric.madianga@gmail.com> >> >> >> [ Upstream commit 7e96304d99477de1f70db42035071e56439da817 ] >> >> This patch sets the right number of arguments to be used for DMA clients >> which request channels from DT. >> >> Signed-off-by: M'boumba Cedric Madianga <cedric.madianga@gmail.com> >> Reviewed-by: Ludovic BARRE <ludovic.barre@st.com> >> Signed-off-by: Vinod Koul <vinod.koul@intel.com> >> Signed-off-by: Sasha Levin <alexander.levin@verizon.com> >> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> >> --- >> drivers/dma/stm32-dma.c | 7 ++----- >> 1 file changed, 2 insertions(+), 5 deletions(-) >> >> --- a/drivers/dma/stm32-dma.c >> +++ b/drivers/dma/stm32-dma.c >> @@ -976,21 +976,18 @@ static struct dma_chan *stm32_dma_of_xla >> struct stm32_dma_chan *chan; >> struct dma_chan *c; >> >> - if (dma_spec->args_count < 3) >> + if (dma_spec->args_count < 4) >> return NULL; >> >> cfg.channel_id = dma_spec->args[0]; >> cfg.request_line = dma_spec->args[1]; >> cfg.stream_config = dma_spec->args[2]; >> - cfg.threshold = 0; >> + cfg.threshold = dma_spec->args[3]; >> >> if ((cfg.channel_id >= STM32_DMA_MAX_CHANNELS) || (cfg.request_line >= >> STM32_DMA_MAX_REQUEST_ID)) >> return NULL; >> >> - if (dma_spec->args_count > 3) >> - cfg.threshold = dma_spec->args[3]; >> - >> chan = &dmadev->chan[cfg.channel_id]; >> >> c = dma_get_slave_channel(&chan->vchan.chan); >> >>
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