Re: [PATCH v3] mmc: davinci: add support for SDIO irq handling

[Sergei Shtylyov <sshtylyov@mvista.com>]

Hello.

On 30-12-2010 13:52, Sekhar Nori wrote:

> From: Alagu Sankar <alagusankar@embwise.com>

> This patch adds support for handing SDIO interrupt on
> DaVinci MMC/SD controller.

> The patch has been tested on DM355 and DA850 EVMs with
> Marvell Libertas based SDIO wireless LAN card.

> Signed-off-by: Alagu Sankar<alagusankar@embwise.com>
> Signed-off-by: Sekhar Nori<nsekhar@ti.com>
[...]

> diff --git a/drivers/mmc/host/davinci_mmc.c b/drivers/mmc/host/davinci_mmc.c
> index b643dde..04c2fa4 100644
> --- a/drivers/mmc/host/davinci_mmc.c
> +++ b/drivers/mmc/host/davinci_mmc.c
[...]
> @@ -1209,7 +1267,8 @@ static int __init davinci_mmcsd_probe(struct platform_device *pdev)
>   		host->nr_sg = MAX_NR_SG;
>
>   	host->use_dma = use_dma;
> -	host->irq = irq;
> +	host->mmc_irq = irq;
> +	host->sdio_irq = platform_get_irq(pdev, 1);
>
>   	if (host->use_dma&&  davinci_acquire_dma_channels(host) != 0)
>   		host->use_dma = 0;
> @@ -1270,6 +1329,13 @@ static int __init davinci_mmcsd_probe(struct platform_device *pdev)
>   	if (ret)
>   		goto out;
>
> +	if (host->sdio_irq != NO_IRQ) {

    Note that platform_get_irq() will return -EXDEV if the resource is not 
present. Perhaps you should check for it...

WBR, Sergei