Commit c35d3cfd authored by Marek Vasut's avatar Marek Vasut Committed by Wolfram Sang

i2c: mxs: Handle i2c DMA failure properly

Properly terminate the DMA transfer in case the DMA PIO transfer
or setup fails for any reason.
Signed-off-by: default avatarMarek Vasut <marex@denx.de>
Signed-off-by: default avatarWolfram Sang <w.sang@pengutronix.de>
parent 31f313d9
...@@ -287,12 +287,14 @@ static int mxs_i2c_dma_setup_xfer(struct i2c_adapter *adap, ...@@ -287,12 +287,14 @@ static int mxs_i2c_dma_setup_xfer(struct i2c_adapter *adap,
select_init_dma_fail: select_init_dma_fail:
dma_unmap_sg(i2c->dev, &i2c->sg_io[0], 1, DMA_TO_DEVICE); dma_unmap_sg(i2c->dev, &i2c->sg_io[0], 1, DMA_TO_DEVICE);
select_init_pio_fail: select_init_pio_fail:
dmaengine_terminate_all(i2c->dmach);
return -EINVAL; return -EINVAL;
/* Write failpath. */ /* Write failpath. */
write_init_dma_fail: write_init_dma_fail:
dma_unmap_sg(i2c->dev, i2c->sg_io, 2, DMA_TO_DEVICE); dma_unmap_sg(i2c->dev, i2c->sg_io, 2, DMA_TO_DEVICE);
write_init_pio_fail: write_init_pio_fail:
dmaengine_terminate_all(i2c->dmach);
return -EINVAL; return -EINVAL;
} }
......
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