Re: [PATCH v2 20/21] mk68/mac: Switch to use %ptR

From: Geert Uytterhoeven
Date: Wed Feb 21 2018 - 04:38:31 EST


Hi Andy,

On Tue, Feb 20, 2018 at 10:43 PM, Andy Shevchenko
<andriy.shevchenko@xxxxxxxxxxxxxxx> wrote:
> Use %ptR instead of open coded variant to print content of
> struct rtc_time in human readable format.
>
> Cc: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
> ---
> arch/m68k/Kconfig.machine | 1 +
> arch/m68k/mac/misc.c | 8 ++------
> 2 files changed, 3 insertions(+), 6 deletions(-)
>
> diff --git a/arch/m68k/Kconfig.machine b/arch/m68k/Kconfig.machine
> index 64a641467736..620a55da648e 100644
> --- a/arch/m68k/Kconfig.machine
> +++ b/arch/m68k/Kconfig.machine
> @@ -26,6 +26,7 @@ config MAC
> bool "Macintosh support"
> depends on MMU
> select MMU_MOTOROLA if MMU
> + select PRINTK_PEXT_TIMEDATE

Yeah, now you have to track whatever code uses the new %p extension...

Note that the user below uses pr_debug(), so technically it depends on
DYNAMIC_DEBUG, or (more likely) someone manually inserting "#define DEBUG"
at the top of the file for a short debug session ;-)

> --- a/arch/m68k/mac/misc.c
> +++ b/arch/m68k/mac/misc.c
> @@ -673,13 +673,9 @@ int mac_hwclk(int op, struct rtc_time *t)
> unmktime(now, 0,
> &t->tm_year, &t->tm_mon, &t->tm_mday,
> &t->tm_hour, &t->tm_min, &t->tm_sec);
> - pr_debug("%s: read %04d-%02d-%-2d %02d:%02d:%02d\n",
> - __func__, t->tm_year + 1900, t->tm_mon + 1, t->tm_mday,
> - t->tm_hour, t->tm_min, t->tm_sec);
> + pr_debug("%s: read %ptR\n", __func__, t);
> } else { /* write */
> - pr_debug("%s: tried to write %04d-%02d-%-2d %02d:%02d:%02d\n",
> - __func__, t->tm_year + 1900, t->tm_mon + 1, t->tm_mday,
> - t->tm_hour, t->tm_min, t->tm_sec);
> + pr_debug("%s: tried to write %ptR\n", __func__, t);
>
> now = mktime(t->tm_year + 1900, t->tm_mon + 1, t->tm_mday,
> t->tm_hour, t->tm_min, t->tm_sec);

Gr{oetje,eeting}s,

Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds