[PATCH 14/19] ARM: i.MX: esdctl: add deep-probe support

[Sascha Hauer]

From: Marco Felsch <m.felsch at pengutronix.de>

In case of deep-probe we have to ensure that the memory device is
available after the mem_initcall().

Signed-off-by: Marco Felsch <m.felsch at pengutronix.de>
Link: https://lore.pengutronix.de/20201021115813.31645-9-m.felsch@pengutronix.de
Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
---
 arch/arm/mach-imx/esdctl.c | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/arch/arm/mach-imx/esdctl.c b/arch/arm/mach-imx/esdctl.c
index 5355f55c6f..64a5832494 100644
--- a/arch/arm/mach-imx/esdctl.c
+++ b/arch/arm/mach-imx/esdctl.c
@@ -696,7 +696,17 @@ static struct driver_d imx_esdctl_driver = {
 	.of_compatible = DRV_OF_COMPAT(imx_esdctl_dt_ids),
 };
 
-mem_platform_driver(imx_esdctl_driver);
+static int imx_esdctl_init(void)
+{
+	int ret;
+
+	ret = platform_driver_register(&imx_esdctl_driver);
+	if (ret)
+		return ret;
+
+	return of_devices_ensure_probed_by_dev_id(imx_esdctl_dt_ids);
+}
+mem_initcall(imx_esdctl_init);
 
 /*
  * The i.MX SoCs usually have two SDRAM chipselects. The following
-- 
2.29.2