This message could not be delivered immediately due to an internal mail routing issue. The mail routing error has been resolved in the meantime. We apologize for the delay in delivery and any inconvenience this may have caused. In case of any questions please contact us via it@hexagon.com.

Original sender: patrick.delaunay@foss.st.com Original delivery time: 28-Jun-2021 01:03 PM (UTC) ----------------------------------------------------------------------------------------------------------------------- This email is not from Hexagon’s Office 365 instance. Please be careful while clicking links, opening attachments, or replying to this email. Handle errors in fuse_hash_value function. Signed-off-by: Patrick Delaunay --- arch/arm/mach-stm32mp/cmd_stm32key.c | 24 +++++++++++++++--------- 1 file changed, 15 insertions(+), 9 deletions(-) diff --git a/arch/arm/mach-stm32mp/cmd_stm32key.c b/arch/arm/mach-stm32mp/cmd_stm32key.c index d2045a5983..2529139ebc 100644 --- a/arch/arm/mach-stm32mp/cmd_stm32key.c +++ b/arch/arm/mach-stm32mp/cmd_stm32key.c @@ -25,7 +25,7 @@ static void read_hash_value(u32 addr) } } -static void fuse_hash_value(u32 addr, bool print) +static int fuse_hash_value(u32 addr, bool print) { struct udevice *dev; u32 word, val; @@ -36,21 +36,25 @@ static void fuse_hash_value(u32 addr, bool print) &dev); if (ret) { log_err("Can't find stm32mp_bsec driver\n"); - return; + return ret; } for (i = 0; i < STM32_OTP_HASH_KEY_SIZE; i++) { - if (print) - printf("Fuse OTP %i : %x\n", - STM32_OTP_HASH_KEY_START + i, - __be32_to_cpu(*(u32 *)addr)); - word = STM32_OTP_HASH_KEY_START + i; val = __be32_to_cpu(*(u32 *)addr); - misc_write(dev, STM32_BSEC_OTP(word), &val, 4); + if (print) + printf("Fuse OTP %i : %x\n", word, val); + + ret = misc_write(dev, STM32_BSEC_OTP(word), &val, 4); + if (ret != 4) { + log_err("Fuse OTP %i failed\n", word); + return ret; + } addr += 4; } + + return 0; } static int confirm_prog(void) @@ -104,7 +108,9 @@ static int do_stm32key_fuse(struct cmd_tbl *cmdtp, int flag, int argc, char *con if (!yes && !confirm_prog()) return CMD_RET_FAILURE; - fuse_hash_value(addr, !yes); + if (fuse_hash_value(addr, !yes)) + return CMD_RET_FAILURE; + printf("Hash key updated !\n"); return CMD_RET_SUCCESS; -- 2.25.1