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rockchip: rk3399-puma: preserve leading zeros in serial#

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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>
This commit is contained in:
Jakob Unterwurzacher 2017-12-07 16:20:44 +01:00 committed by Philipp Tomsich
parent 6c7010b779
commit b32b1bd10b
1 changed files with 1 additions and 1 deletions
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board/theobroma-systems/puma_rk3399/puma-rk3399.c
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@ -173,7 +173,7 @@ static void setup_serial(void)
serialno = crc32_no_comp(0, low, 8); serialno = crc32_no_comp(0, low, 8);
serialno |= (u64)crc32_no_comp(serialno, high, 8) << 32; 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("cpuid#", cpuid_str);
env_set("serial#", serialno_str); env_set("serial#", serialno_str);