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sdhci: Add SDHCI_QUIRK_NO_MULTIBLOCK quirk

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Add quirk to show the controller cannot do multi-block IO.

This is mainly for the Samsung SDHCI controller that currently
cannot manage to do multi-block PIO without timing out.

Signed-off-by: Ben Dooks <ben@simtec.co.uk>
Signed-off-by: Pierre Ossman <pierre@ossman.eu>
This commit is contained in:
Ben Dooks
2009-06-14 12:40:53 +01:00
committed by Pierre Ossman
parent 6882a8c071
commit 1388eefd5a
3 changed files with 6 additions and 1 deletions
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2
drivers/mmc/host/sdhci.c
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@ -1834,7 +1834,7 @@ int sdhci_add_host(struct sdhci_host *host)
/*
* Maximum block count.
*/
mmc->max_blk_count = 65535;
mmc->max_blk_count = (host->quirks & SDHCI_QUIRK_NO_MULTIBLOCK) ? 1 : 65535;
/*
* Init tasklets.