diff options
Diffstat (limited to 'bsp/meta-rcar/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0079-Revert-dmaengine-rcar-dmac-use-TCRB-instead-of-TCR-f.patch')
| -rw-r--r-- | bsp/meta-rcar/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0079-Revert-dmaengine-rcar-dmac-use-TCRB-instead-of-TCR-f.patch | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/bsp/meta-rcar/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0079-Revert-dmaengine-rcar-dmac-use-TCRB-instead-of-TCR-f.patch b/bsp/meta-rcar/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0079-Revert-dmaengine-rcar-dmac-use-TCRB-instead-of-TCR-f.patch new file mode 100644 index 00000000..ccddaa8f --- /dev/null +++ b/bsp/meta-rcar/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0079-Revert-dmaengine-rcar-dmac-use-TCRB-instead-of-TCR-f.patch @@ -0,0 +1,31 @@ +From 462132b2edb18653be39b96fa6168c503d87fa6e Mon Sep 17 00:00:00 2001 +From: Valentine Barshak <valentine.barshak@cogentembedded.com> +Date: Thu, 22 Nov 2018 18:19:30 +0300 +Subject: [PATCH 52/61] Revert "dmaengine: rcar-dmac: use TCRB instead of TCR + for "residue" + +The patch breaks SCIF DMA support. + +This partially reverts commit f5927ca87de38ab81a19cbb03e774b57c0e46fed. + +Signed-off-by: Valentine Barshak <valentine.barshak@cogentembedded.com> +--- + drivers/dma/sh/rcar-dmac.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/drivers/dma/sh/rcar-dmac.c b/drivers/dma/sh/rcar-dmac.c +index 218c5b0e..f487ceb 100644 +--- a/drivers/dma/sh/rcar-dmac.c ++++ b/drivers/dma/sh/rcar-dmac.c +@@ -1364,7 +1364,7 @@ static unsigned int rcar_dmac_chan_get_residue(struct rcar_dmac_chan *chan, + } + + /* Add the residue for the current chunk. */ +- residue += rcar_dmac_chan_read(chan, RCAR_DMATCRB) << desc->xfer_shift; ++ residue += rcar_dmac_chan_read(chan, RCAR_DMATCR) << desc->xfer_shift; + + return residue; + } +-- +2.7.4 + |