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board: update test on misc_read result in board_late_init

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Update management of misc_read, which now return length of data
after the commit 8729b1ae2c ("misc: Update read() and write()
methods to return bytes xfered")

Fixes: 8b8b3d6b55 ("stm32mp1: board: add environment variable for board id and board rev")

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
This commit is contained in:
Patrick Delaunay 2020-07-03 17:45:07 +02:00 committed by Patrice Chotard
parent 1e3d060501
commit 4b64265bb4
1 changed files with 1 additions and 1 deletions
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board/st/stm32mp1/stm32mp1.c
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@ -686,7 +686,7 @@ int board_late_init(void)
if (!ret)
ret = misc_read(dev, STM32_BSEC_SHADOW(BSEC_OTP_BOARD),
&otp, sizeof(otp));
if (!ret && otp) {
if (ret > 0 && otp) {
snprintf(buf, sizeof(buf), "0x%04x", otp >> 16);
env_set("board_id", buf);