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
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