• Anders Roxell's avatar
    tools/gpio/gpio-event-mon: fix warning · 03fd11b0
    Anders Roxell authored
    PRIu64 is defined in user space to match libc's uint64_t definition.
    However, gpioevent_data structure in the kernel is defined using the
    kernel's own __u64 type.
    gpio-event-mon.c: In function ‘monitor_device’:
    gpio-event-mon.c:102:19: warning: format ‘%lu’ expects argument of type
        ‘long unsigned int’, but argument 3 has type ‘__u64 {aka long long
        unsigned int}’ [-Wformat=]
       fprintf(stdout, "GPIO EVENT %" PRIu64 ": ", event.timestamp);
      LD       /tmp/kselftest/gpiogpio-event-mon-in.o
      LINK     /tmp/kselftest/gpiogpio-event-mon
    Fix is to replace PRIu64 with llu, which we know is what the kernel uses
    for __u64.
    Signed-off-by: default avatarAnders Roxell <anders.roxell@linaro.org>
    Tested-by: default avatarDaniel Díaz <daniel.diaz@linaro.org>
    Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
gpio-event-mon.c 4.33 KB