linux-kernel - Re: [PATCH v3 2/3] ARM: bcm2835: Switch to use %ptT

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Message-ID: <20200616163252.GX2428291@smile.fi.intel.com>
Date:   Tue, 16 Jun 2020 19:32:52 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Nicolas Saenz Julienne <nsaenzjulienne@...e.de>
Cc:     Petr Mladek <pmladek@...e.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
        linux-kernel@...r.kernel.org,
        Rasmus Villemoes <linux@...musvillemoes.dk>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Stefan Wahren <wahrenst@....net>
Subject: Re: [PATCH v3 2/3] ARM: bcm2835: Switch to use %ptT

On Tue, Jun 16, 2020 at 06:22:17PM +0200, Nicolas Saenz Julienne wrote:
> On Tue, 2020-06-16 at 19:13 +0300, Andy Shevchenko wrote:
> > On Tue, Jun 16, 2020 at 05:53:23PM +0200, Nicolas Saenz Julienne wrote:
> > > On Wed, 2020-04-15 at 20:00 +0300, Andy Shevchenko wrote:
> > > > Use %ptT instead of open coded variant to print content of
> > > > time64_t type in human readable format.
> > > > 
> > > > Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
> > > > ---
> > > 
> > > as originally reported by Stefan Wahren, this patch is likely to be the
> > > cause
> > > for a regression on RPi3b+ 32bit mode (multi_v7_defconfig,
> > > 5.8.0-rc1-00019-ga5dc8300df75):
> > > 
> > > [    3.759892] raspberrypi-firmware soc:firmware: Attached to firmware from
> > > 18446744073709048425-02-19T15:52:16
> > > 
> > > Whereas the same doesn't seem to happen in 64bit mode:
> > > 
> > > [    1.584126] raspberrypi-firmware soc:firmware: Attached to firmware from
> > > 2020-02-12T12:39:27
> > 
> > Had you chance to run test_printf on that machine and see if it reports any
> > failure?
> > If no, can you provide a raw date which makes this happen?
> > 
> > Ah, I think I have an idea what is going on... stay tuned!
> > 
> > Does below fix it?
> 
> Yes :)

Patch has been just sent. I hope it can go via printk tree, because MAINTAINERS keeps silent for this file.

-- 
With Best Regards,
Andy Shevchenko