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sdhci: use SG_MITER_TO_SG/SG_MITER_FROM_SG

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so the page will be flushed on unmap on ARCH which need it.

Signed-off-by: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
Signed-off-by: Pierre Ossman <pierre@ossman.eu>
This commit is contained in:
Sebastian Andrzej Siewior 2009-06-18 09:33:32 +02:00 committed by Pierre Ossman
parent 6de7e356fa
commit da60a91d01
1 changed files with 8 additions and 2 deletions
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10
drivers/mmc/host/sdhci.c
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@ -773,8 +773,14 @@ static void sdhci_prepare_data(struct sdhci_host *host, struct mmc_data *data)
}
if (!(host->flags & SDHCI_REQ_USE_DMA)) {
sg_miter_start(&host->sg_miter,
data->sg, data->sg_len, SG_MITER_ATOMIC);
int flags;
flags = SG_MITER_ATOMIC;
if (host->data->flags & MMC_DATA_READ)
flags |= SG_MITER_TO_SG;
else
flags |= SG_MITER_FROM_SG;
sg_miter_start(&host->sg_miter, data->sg, data->sg_len, flags);
host->blocks = data->blocks;
}