[PATCH 18/18] ARM: boards: mx6-sabrelite: add deep-probe support

Marco Felsch m.felsch at pengutronix.de
Mon Sep 28 11:50:41 EDT 2020


Explicit request the required gpio resources instead of relying on their
existence based on the initcall level.

Signed-off-by: Marco Felsch <m.felsch at pengutronix.de>
---
 .../boards/freescale-mx6-sabrelite/board.c    | 24 ++++++++++++-------
 1 file changed, 15 insertions(+), 9 deletions(-)

diff --git a/arch/arm/boards/freescale-mx6-sabrelite/board.c b/arch/arm/boards/freescale-mx6-sabrelite/board.c
index 1b39ef82c6..7fc3d4dc3f 100644
--- a/arch/arm/boards/freescale-mx6-sabrelite/board.c
+++ b/arch/arm/boards/freescale-mx6-sabrelite/board.c
@@ -13,7 +13,9 @@
 #include <mach/bbu.h>
 #include <asm/armlinux.h>
 #include <generated/mach-types.h>
+#include <of.h>
 #include <partition.h>
+#include <deep-probe.h>
 #include <linux/phy.h>
 #include <asm/io.h>
 #include <asm/mmu.h>
@@ -98,10 +100,6 @@ static int sabrelite_ksz9021rn_setup(void)
 {
 	int ret;
 
-	if (!of_machine_is_compatible("fsl,imx6q-sabrelite") &&
-	    !of_machine_is_compatible("fsl,imx6dl-sabrelite"))
-		return 0;
-
 	mxc_iomux_v3_setup_multiple_pads(sabrelite_enet_gpio_pads,
 			ARRAY_SIZE(sabrelite_enet_gpio_pads));
 
@@ -118,11 +116,6 @@ static int sabrelite_ksz9021rn_setup(void)
 
 	return 0;
 }
-/*
- * Do this before the fec initializes but after our
- * gpios are available.
- */
-fs_initcall(sabrelite_ksz9021rn_setup);
 
 static void sabrelite_ehci_init(void)
 {
@@ -134,10 +127,20 @@ static void sabrelite_ehci_init(void)
 
 static int sabrelite_devices_init(void)
 {
+	int ret;
+
 	if (!of_machine_is_compatible("fsl,imx6q-sabrelite") &&
 	    !of_machine_is_compatible("fsl,imx6dl-sabrelite"))
 		return 0;
 
+	ret = of_devices_create_on_demand_by_property("gpio-controller");
+	if (ret)
+		return ret;
+
+	ret = sabrelite_ksz9021rn_setup();
+	if (ret)
+		return ret;
+
 	sabrelite_ehci_init();
 
 	armlinux_set_architecture(3769);
@@ -163,3 +166,6 @@ static int sabrelite_coredevices_init(void)
 	return 0;
 }
 coredevice_initcall(sabrelite_coredevices_init);
+
+deep_probe_enable(imx6q_sabrelite, "fsl,imx6q-sabrelite");
+deep_probe_enable(imx6dl_sabrelite, "fsl,imx6dl-sabrelite");
-- 
2.20.1




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