On 20 April 2017 at 07:44, Shubhrajyoti Datta
<shubhrajyoti.datta@xxxxxxxxxx> 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@xxxxxxxxxx>
> ---
> 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;
>
> --
> 2.7.4
>
Why don't you use the "broken-cd" DT binding instead?
Kind regards
Uffe
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