[PATCH] ARM: i.MX: Make sure *_get_boot_source always assignes *src

[Uwe Kleine-König]

Callers of *_get_boot_source (e.g. start_atf() of
nxp-imx8mm-evk or protonic-imx8m) expect src to hold the bootsource
after return. So assign a value also for the "unknown" case.

Fixes: ea55770308c0 ("ARM: i.MX: Add i.MX7 base architecture support")
Signed-off-by: Uwe Kleine-König <u.kleine-koenig at pengutronix.de>
---
 arch/arm/mach-imx/boot.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/arch/arm/mach-imx/boot.c b/arch/arm/mach-imx/boot.c
index 63afdf1ef4ed..1b0bccb7fed8 100644
--- a/arch/arm/mach-imx/boot.c
+++ b/arch/arm/mach-imx/boot.c
@@ -285,6 +285,8 @@ void imx53_get_boot_source(enum bootsource *src, int *instance)
 	default:
 		if (imx53_bootsource_nand(cfg1))
 			*src = BOOTSOURCE_NAND;
+		else
+			*src = BOOTSOURCE_UNKNOWN;
 		break;
 	}
 
@@ -464,6 +466,8 @@ void imx6_get_boot_source(enum bootsource *src, int *instance)
 	default:
 		if (imx53_bootsource_nand(bootmode))
 			*src = BOOTSOURCE_NAND;
+		else
+			*src = BOOTSOURCE_UNKNOWN;
 		break;
 	}
 }
@@ -526,6 +530,7 @@ static void __imx7_get_boot_source(enum bootsource *src, int *instance,
 		*src = BOOTSOURCE_SERIAL;
 		break;
 	default:
+		*src = BOOTSOURCE_UNKNOWN;
 		break;
 	}
 }
@@ -629,6 +634,8 @@ void vf610_get_boot_source(enum bootsource *src, int *instance)
 	default:
 		if (imx53_bootsource_nand(sbmr1))
 			*src = BOOTSOURCE_NAND;
+		else
+			*src = BOOTSOURCE_UNKNOWN;
 		break;
 	}
 }

base-commit: 345ef59aa0ea1a931629187449f63876501752cd
-- 
2.36.1