diff options
Diffstat (limited to 'meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0079-Revert-dmaengine-rcar-dmac-use-TCRB-instead-of-TCR-f.patch')
| -rw-r--r-- | meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0079-Revert-dmaengine-rcar-dmac-use-TCRB-instead-of-TCR-f.patch | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0079-Revert-dmaengine-rcar-dmac-use-TCRB-instead-of-TCR-f.patch b/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 0000000..97409fa --- /dev/null +++ b/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0079-Revert-dmaengine-rcar-dmac-use-TCRB-instead-of-TCR-f.patch @@ -0,0 +1,29 @@ +From b3026b3a8ddcd9801583aa5e653ef432fbe60bf0 Mon Sep 17 00:00:00 2001 +From: Vladimir Barinov <vladimir.barinov@cogentembedded.com> +Date: Mon, 4 Dec 2017 17:49:47 +0300 +Subject: [PATCH] Revert "dmaengine: rcar-dmac: use TCRB instead of TCR for + residue" + +The patch breaks SCIF DMA support + +This reverts commit 936abcc1d0b13ff4a112b153e56c0e60bbdc0f5f. +--- + 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 9120ff4..0ae7131 100644 +--- a/drivers/dma/sh/rcar-dmac.c ++++ b/drivers/dma/sh/rcar-dmac.c +@@ -1298,7 +1298,7 @@ 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; + } +-- +1.9.1 + |