A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-29 11:11:45 -04:00
Code Issues Projects Releases Packages Wiki Activity

i2c: rcar: use correct length when unmapping DMA

Browse source 
Because we need to transfer some bytes with PIO, the msg length is not
the length of the DMA buffer. Use the correct value which we used when
doing the mapping.

Fixes: 73e8b05283 ("i2c: rcar: add DMA support")
Signed-off-by: Wolfram Sang <[email protected]>
Reviewed-by: Geert Uytterhoeven <[email protected]>
Reviewed-by: Niklas Söderlund <[email protected]>
Signed-off-by: Wolfram Sang <[email protected]>
This commit is contained in:
Wolfram Sang 2017-05-28 09:52:17 +02:00 • committed by Wolfram Sang
commit 916335036d
1 changed files with 1 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

2
drivers/i2c/busses/i2c-rcar.c
View file

@ -319,7 +319,7 @@ static void rcar_i2c_dma_unmap(struct rcar_i2c_priv *priv)
rcar_i2c_write(priv, ICFBSCR, TCYC06);
dma_unmap_single(chan->device->dev, sg_dma_address(&priv->sg),
priv->msg->len, priv->dma_direction);
sg_dma_len(&priv->sg), priv->dma_direction);
priv->dma_direction = DMA_NONE;
}