[PATCH 2/2] mmc: meson-gx: support platform interrupt as card detect interrupt

[Heiner Kallweit]

Use a new mmc core feature and support specifying the card detect
gpio interrupt in device tree.

Signed-off-by: Heiner Kallweit <hkallweit1 at gmail.com>
---
 drivers/mmc/host/meson-gx-mmc.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/mmc/host/meson-gx-mmc.c b/drivers/mmc/host/meson-gx-mmc.c
index be1a972c2..c87bc31d0 100644
--- a/drivers/mmc/host/meson-gx-mmc.c
+++ b/drivers/mmc/host/meson-gx-mmc.c
@@ -1236,6 +1236,9 @@ static int meson_mmc_probe(struct platform_device *pdev)
 		goto free_host;
 	}
 
+	/* gpio card detect interrupt */
+	mmc->cd_irq = platform_get_irq_optional(pdev, 1);
+
 	host->pinctrl = devm_pinctrl_get(&pdev->dev);
 	if (IS_ERR(host->pinctrl)) {
 		ret = PTR_ERR(host->pinctrl);
-- 
2.39.1