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mmc: remove multiwrite capability

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Relax requirements on host controllers and only require that they do not
report a transfer count than is larger than the actual one (i.e. a lower
value is okay). This is how many other parts of the kernel behaves so
upper layers should already be prepared to handle that scenario. This
gives us a performance boost on MMC cards.

Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
This commit is contained in:
Pierre Ossman
2008-07-06 01:10:27 +02:00
parent 97067d5581
commit 23af60398a
9 changed files with 29 additions and 43 deletions
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drivers/mmc/host/mmci.c
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@ -535,7 +535,6 @@ static int mmci_probe(struct amba_device *dev, void *id)
mmc->f_min = (host->mclk + 511) / 512;
mmc->f_max = min(host->mclk, fmax);
mmc->ocr_avail = plat->ocr_mask;
mmc->caps = MMC_CAP_MULTIWRITE;
/*
* We can do SGIO