diff options
| author | Jerry Huang | 2010-08-11 03:01:59 +0200 |
|---|---|---|
| committer | Linus Torvalds | 2010-08-11 17:59:05 +0200 |
| commit | c4512f79dcb236c8dc2afae176a0dc520096f0bc (patch) | |
| tree | 4aced8cb26bae4256e538c6a35679d31c60d7dc2 /drivers/mmc/host/sdhci-of-core.c | |
| parent | sdhci: add regulator support (diff) | |
| download | kernel-qcow2-linux-c4512f79dcb236c8dc2afae176a0dc520096f0bc.tar.gz kernel-qcow2-linux-c4512f79dcb236c8dc2afae176a0dc520096f0bc.tar.xz kernel-qcow2-linux-c4512f79dcb236c8dc2afae176a0dc520096f0bc.zip | |
sdhci: add auto CMD12 support for eSDHC driver
Add auto CMD12 command support for eSDHC driver. This is needed by P4080
and P1022 for block read/write. Manual asynchronous CMD12 abort operation
causes protocol violations on these silicons.
Signed-off-by: Jerry Huang <Chang-Ming.Huang@freescale.com>
Signed-off-by: Roy Zang <tie-fei.zang@freescale.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Kumar Gala <galak@gate.crashing.org>
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: <linux-mmc@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/mmc/host/sdhci-of-core.c')
| -rw-r--r-- | drivers/mmc/host/sdhci-of-core.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/mmc/host/sdhci-of-core.c b/drivers/mmc/host/sdhci-of-core.c index a2e9820cd42f..dd1bdd168e66 100644 --- a/drivers/mmc/host/sdhci-of-core.c +++ b/drivers/mmc/host/sdhci-of-core.c @@ -154,6 +154,10 @@ static int __devinit sdhci_of_probe(struct of_device *ofdev, host->ops = &sdhci_of_data->ops; } + if (of_get_property(np, "sdhci,auto-cmd12", NULL)) + host->quirks |= SDHCI_QUIRK_MULTIBLOCK_READ_ACMD12; + + if (of_get_property(np, "sdhci,1-bit-only", NULL)) host->quirks |= SDHCI_QUIRK_FORCE_1_BIT_DATA; |