| Message ID | 20170113150209.27077-1-linus.walleij@linaro.org (mailing list archive) |
|---|---|
| State | Accepted |
| Headers | show |
diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c index 2f0852dfbd1b..a6620b671d1d 100644 --- a/drivers/dma/ste_dma40.c +++ b/drivers/dma/ste_dma40.c @@ -2838,6 +2838,7 @@ static void d40_ops_init(struct d40_base *base, struct dma_device *dev) dev->device_pause = d40_pause; dev->device_resume = d40_resume; dev->device_terminate_all = d40_terminate_all; + dev->residue_granularity = DMA_RESIDUE_GRANULARITY_BURST; dev->dev = base->dev; }
The ste_dma40 has burst level granularity on the residue registers, which is necessary for some clients to know, notably the UART. Before this patch we get this message: uart-pl011 80007000.uart: RX DMA disabled - no residue processing This patch fixes it. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> --- drivers/dma/ste_dma40.c | 1 + 1 file changed, 1 insertion(+)