firmware: raspberrypi: print time using time64_t
The firmware timestamp is an unsigned 32-bit value, but we copy it into a signed 32-bit variable, so we can theoretically get an overflow in the calculation when the timestamp is between 2038 and 2106. This changes the temporary variable to time64_t and changes the deprecated time_to_tm() over to time64_to_tm() accordingly. There is still an overflow in y2106, but that is a limitation of the firmware interface, not a kernel problem. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Eric Anholt <eric@anholt.net> Reviewed-by: Eric Anholt <eric@anholt.net>
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@ -174,7 +174,7 @@ rpi_firmware_print_firmware_revision(struct rpi_firmware *fw)
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if (ret == 0) {
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struct tm tm;
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time_to_tm(packet, 0, &tm);
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time64_to_tm(packet, 0, &tm);
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dev_info(fw->cl.dev,
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"Attached to firmware from %04ld-%02d-%02d %02d:%02d\n",
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