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Commit d7554caa authored Feb 10, 2011 by Linus Walleij Committed by Chris Ball Mar 15, 2011

mmc: tmio_mmc: unmap with the proper sglen



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.walleij@linaro.org>
Signed-off-by: Chris Ball <cjb@laptop.org>

parent 2dc7ddc1

drivers/mmc/host/tmio_mmc.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -983,11 +983,11 @@ 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);