[PATCH] ARM: i.MX7/8M: Fix boot source detection on i.MX8MP

[Uwe Kleine-König]

On i.MX8MP the indicator for serial boot is 14, which is different from
the value found for i.MX8MM. So consider 14 as serial boot, too and
document the machines where the respective values are found.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig at pengutronix.de>
---
 arch/arm/mach-imx/boot.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/arm/mach-imx/boot.c b/arch/arm/mach-imx/boot.c
index 652e2869f2d7..d12acb0715f6 100644
--- a/arch/arm/mach-imx/boot.c
+++ b/arch/arm/mach-imx/boot.c
@@ -522,7 +522,8 @@ static void __imx7_get_boot_source(enum bootsource *src, int *instance,
 	case 5:
 		*src = BOOTSOURCE_NOR;
 		break;
-	case 15:
+	case 14: /* observed on i.MX8MP for USB "serial" booting */
+	case 15: /* observed on i.MX8MM for USB "serial" booting */
 		*src = BOOTSOURCE_SERIAL;
 		break;
 	default:

base-commit: 6a3f9ed1f5c55957b2ed4f460955281539e8e785
prerequisite-patch-id: b42dc9f4cc168071380985b52b581c1a1298f303
-- 
2.30.2