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mmc: omap_hsmmc: use original sg_len for dma_unmap_sg

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Don't use the returned sg_len from dma_map_sg() as inparameter
to dma_unmap_sg(). Use the original sg_len for both dma_map_sg
and dma_unmap_sg according to the documentation in DMA-API.txt.

Signed-off-by: Per Forlin <per.forlin@linaro.org>
Reviewed-by: Venkatraman S <svenkatr@ti.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
This commit is contained in:
Per Forlin 2011-06-17 20:14:21 +02:00 committed by Chris Ball
parent 4a3dc6ef34
commit a9120c33ff
1 changed files with 3 additions and 2 deletions
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5
drivers/mmc/host/omap_hsmmc.c
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@ -961,7 +961,8 @@ static void omap_hsmmc_dma_cleanup(struct omap_hsmmc_host *host, int errno)
spin_unlock(&host->irq_lock);
if (host->use_dma && dma_ch != -1) {
dma_unmap_sg(mmc_dev(host->mmc), host->data->sg, host->dma_len,
dma_unmap_sg(mmc_dev(host->mmc), host->data->sg,
host->data->sg_len,
omap_hsmmc_get_dma_dir(host, host->data));
omap_free_dma(dma_ch);
}
@ -1345,7 +1346,7 @@ static void omap_hsmmc_dma_cb(int lch, u16 ch_status, void *cb_data)
return;
}
dma_unmap_sg(mmc_dev(host->mmc), data->sg, host->dma_len,
dma_unmap_sg(mmc_dev(host->mmc), data->sg, data->sg_len,
omap_hsmmc_get_dma_dir(host, data));
req_in_progress = host->req_in_progress;