On Wed, Sep 23, 2009 at 05:08:09PM +0800, Gao Guanhua wrote: > The SDHC can not work on DMA mode because of the hardware bug, > so we set a broken dma flag and use PIO mode. This patch applies > to Rev1.0.
Signed-off-by line is missing (in all patches). > --- > arch/powerpc/boot/dts/p2020ds.dts | 1 + > drivers/mmc/host/sdhci-of.c | 3 +++ > 2 files changed, 4 insertions(+), 0 deletions(-) > > diff --git a/arch/powerpc/boot/dts/p2020ds.dts > b/arch/powerpc/boot/dts/p2020ds.dts > index be449ba..574ad4f 100644 > --- a/arch/powerpc/boot/dts/p2020ds.dts > +++ b/arch/powerpc/boot/dts/p2020ds.dts > @@ -459,6 +459,7 @@ > reg = <0x2e000 0x1000>; > interrupts = <72 0x2>; > interrupt-parent = <&mpic>; > + fsl,sdhci-dma-broken; You might want to update Documentation/powerpc/dts-bindings/fsl/esdhc.txt > clock-frequency = <0>; > }; > > diff --git a/drivers/mmc/host/sdhci-of.c b/drivers/mmc/host/sdhci-of.c > index 01ab916..5879483 100644 > --- a/drivers/mmc/host/sdhci-of.c > +++ b/drivers/mmc/host/sdhci-of.c > @@ -270,6 +270,9 @@ static int __devinit sdhci_of_probe(struct of_device > *ofdev, > if (sdhci_of_wp_inverted(np)) > host->quirks |= SDHCI_QUIRK_INVERTED_WRITE_PROTECT; > > + if (of_get_property(np, "fsl,sdhci-dma-broken", NULL)) > + host->quirks |= SDHCI_QUIRK_BROKEN_DMA; > + > clk = of_get_property(np, "clock-frequency", &size); > if (clk && size == sizeof(*clk) && *clk) > of_host->clock = *clk; > -- > 1.6.4 Thanks, -- Anton Vorontsov email: cbouatmai...@gmail.com irc://irc.freenode.net/bd2 _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev