From b32b1bd10b86d01a26056f50de89f768e5183ed1 Mon Sep 17 00:00:00 2001
From: Jakob Unterwurzacher <jakob.unterwurzacher@theobroma-systems.com>
Date: Thu, 7 Dec 2017 16:20:44 +0100
Subject: [PATCH] rockchip: rk3399-puma: preserve leading zeros in serial#
Linux preserves leading zeros in /proc/cpuinfo, so we
should as well.
Otherwise we have the situation that
/sys/firmware/devicetree/base/serial-number
and /proc/cpuinfo disagree in Linux.
Signed-off-by: Jakob Unterwurzacher <jakob.unterwurzacher@theobroma-systems.com>
Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Acked-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
---
board/theobroma-systems/puma_rk3399/puma-rk3399.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/board/theobroma-systems/puma_rk3399/puma-rk3399.c b/board/theobroma-systems/puma_rk3399/puma-rk3399.c
index 0ad267cdd0..27e3823d52 100644
--- a/board/theobroma-systems/puma_rk3399/puma-rk3399.c
+++ b/board/theobroma-systems/puma_rk3399/puma-rk3399.c
@@ -173,7 +173,7 @@ static void setup_serial(void)
serialno = crc32_no_comp(0, low, 8);
serialno |= (u64)crc32_no_comp(serialno, high, 8) << 32;
- snprintf(serialno_str, sizeof(serialno_str), "%llx", serialno);
+ snprintf(serialno_str, sizeof(serialno_str), "%016llx", serialno);
env_set("cpuid#", cpuid_str);
env_set("serial#", serialno_str);
--
2.39.5