Re: [PATCH 2/2] mmc: arasan: Add polling card detect

[Adrian Hunter <adrian.hunter@intel.com>]

On 20/04/17 08:44, Shubhrajyoti Datta wrote:
> Add MMC_CAP_NEEDS_POLL flag for card detect if
> no gpio is passed otherwise use gpio as card detect.
> 
> Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@xilinx.com>

Acked-by: Adrian Hunter <adrian.hunter@intel.com>

> ---
>  drivers/mmc/host/sdhci-of-arasan.c | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/drivers/mmc/host/sdhci-of-arasan.c b/drivers/mmc/host/sdhci-of-arasan.c
> index 812e75a..7e02190 100644
> --- a/drivers/mmc/host/sdhci-of-arasan.c
> +++ b/drivers/mmc/host/sdhci-of-arasan.c
> @@ -23,6 +23,8 @@
>  #include <linux/mfd/syscon.h>
>  #include <linux/module.h>
>  #include <linux/of_device.h>
> +#include <linux/mmc/host.h>
> +#include <linux/mmc/slot-gpio.h>
>  #include <linux/phy/phy.h>
>  #include <linux/pm_runtime.h>
>  #include <linux/regmap.h>
> @@ -728,6 +730,11 @@ static int sdhci_arasan_probe(struct platform_device *pdev)
>  	if (ret)
>  		goto err_add_host;
>  
> +	if (mmc_card_is_removable(host->mmc) &&
> +	    mmc_gpio_get_cd(host->mmc) < 0) {
> +		host->mmc->caps |= MMC_CAP_NEEDS_POLL;
> +	}
> +
>  	pm_runtime_put(&pdev->dev);
>  	return 0;
>  
>