Hi,
On Fri, Nov 23 2012, r66093@xxxxxxxxxxxxx wrote:
> From: Jerry Huang <Chang-Ming.Huang@xxxxxxxxxxxxx>
>
> The IP verions older than 2.3 didn't support the command with busy response
> which expect for TC bit set. But after the VVN2.3, eSDHC IP has supported it.
>
> Signed-off-by: Jerry Huang <Chang-Ming.Huang@xxxxxxxxxxxxx>
> CC: Anton Vorontsov <cbouatmailru@xxxxxxxxx>
> CC: Chris Ball <cjb@xxxxxxxxxx>
> ---
> drivers/mmc/host/sdhci-of-esdhc.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/drivers/mmc/host/sdhci-of-esdhc.c b/drivers/mmc/host/sdhci-of-esdhc.c
> index 63d219f..cfabc43 100644
> --- a/drivers/mmc/host/sdhci-of-esdhc.c
> +++ b/drivers/mmc/host/sdhci-of-esdhc.c
> @@ -177,6 +177,9 @@ static void esdhc_of_platform_init(struct sdhci_host *host)
> vvn = (vvn & SDHCI_VENDOR_VER_MASK) >> SDHCI_VENDOR_VER_SHIFT;
> if (vvn == VENDOR_V_22)
> host->quirks2 |= SDHCI_QUIRK2_HOST_NO_CMD23;
> +
> + if (vvn > VENDOR_V_22)
> + host->quirks &= ~SDHCI_QUIRK_NO_BUSY_IRQ;
> }
>
> static struct sdhci_ops sdhci_esdhc_ops = {
Thanks, pushed to mmc-next for 3.8.
- Chris.
--
Chris Ball <cjb@xxxxxxxxxx> <http://printf.net/>
One Laptop Per Child
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