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[2/5] ARM: uniphier: do not overwrite fdt_file environment

Message ID 1465301027-1650-3-git-send-email-yamada.masahiro@socionext.com
State New
Headers show

Commit Message

Masahiro Yamada June 7, 2016, 12:03 p.m. UTC 
This code auto-detects the best-match FDT file name, but it should
respect the user's choice if "fdt_file" environment is found in a
saved set of environments.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

---

 arch/arm/mach-uniphier/board_late_init.c | 3 +++
 1 file changed, 3 insertions(+)

-- 
1.9.1

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diff mbox

Patch

diff --git a/arch/arm/mach-uniphier/board_late_init.c b/arch/arm/mach-uniphier/board_late_init.c
index d9eeacb..a454126 100644
--- a/arch/arm/mach-uniphier/board_late_init.c
+++ b/arch/arm/mach-uniphier/board_late_init.c
@@ -39,6 +39,9 @@  static int uniphier_set_fdt_file(void)
 	int buf_len = 256;
 	int ret;
 
+	if (getenv("fdt_file"))
+		return 0;	/* do nothing if it is already set */
+
 	ret = fdt_get_string(gd->fdt_blob, 0, "compatible", &compat);
 	if (ret)
 		return -EINVAL;