From 79cd7c76a0274395ce5db44488fcea22dfeee6d3 Mon Sep 17 00:00:00 2001 From: Dom Cobley Date: Wed, 6 Jan 2021 18:16:10 +0000 Subject: [PATCH] bcm2835-dma: Avoid losing CS flags after interrupt Signed-off-by: Dom Cobley --- drivers/dma/bcm2835-dma.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/dma/bcm2835-dma.c +++ b/drivers/dma/bcm2835-dma.c @@ -704,7 +704,7 @@ static irqreturn_t bcm2835_dma_callback( * if this IRQ handler is threaded.) If the channel is finished, it * will remain idle despite the ACTIVE flag being set. */ - writel(BCM2835_DMA_INT | BCM2835_DMA_ACTIVE, + writel(BCM2835_DMA_INT | BCM2835_DMA_ACTIVE | BCM2835_DMA_CS_FLAGS(c->dreq), c->chan_base + BCM2835_DMA_CS); d = c->desc;