According to the DMA-API you shall unmap the sglists with the same
sglist length as passed into the mapping function, not the
returned value from the mapping function.
Signed-off-by: Linus Walleij <linus.wall...@linaro.org>
---
drivers/mmc/host/tmio_mmc.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/mmc/host/tmio_mmc.c b/drivers/mmc/host/tmio_mmc.c
index c82d8e2..5da2e17 100644
--- a/drivers/mmc/host/tmio_mmc.c
+++ b/drivers/mmc/host/tmio_mmc.c
@@ -979,11 +979,11 @@ static void tmio_tasklet_fn(unsigned long arg)
if (host->data->flags & MMC_DATA_READ)
dma_unmap_sg(host->chan_rx->device->dev,
- host->sg_ptr, host->dma_sglen,
+ host->sg_ptr, host->sg_len,
DMA_FROM_DEVICE);
else
dma_unmap_sg(host->chan_tx->device->dev,
- host->sg_ptr, host->dma_sglen,
+ host->sg_ptr, host->sg_len,
DMA_TO_DEVICE);
tmio_mmc_do_data_irq(host);
--
1.7.4
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