From: Wolfram Sang <wsa@the-dreams.de>
To: linux-sh@vger.kernel.org
Subject: Re: [RFC 5/5] watchdog: sh_mobile: add driver
Date: Tue, 03 Feb 2015 09:09:55 +0000 [thread overview]
Message-ID: <20150203090955.GA1500@katana> (raw)
In-Reply-To: <1422802074-1921-6-git-send-email-wsa@the-dreams.de>
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> > > Is there a reason to set the counter to 0xfff0 instead of 0xffff ?
> >
> > Giving serial console some time to push out FIFOs. But yeah, it is an
> > arbitrary value.
>
> 16 cycles as 32.768 kHz would be 488µs. Assuming a 115200 serial baud rate
> that would allow transmission of a bit less than 6 characters. I wonder if
> it's worth it. Shouldn't the restart core code instead flush the serial FIFOs
> explicitly before calling the restart handler if that behaviour is desired ?
It should, but I didn't check yet. I wanted to when going from RFC to PATCH.
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prev parent reply other threads:[~2015-02-03 9:09 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-01 14:47 [RFC 5/5] watchdog: sh_mobile: add driver Wolfram Sang
2015-02-02 0:28 ` Simon Horman
2015-02-02 1:02 ` Wolfram Sang
2015-02-02 1:54 ` Simon Horman
2015-02-02 9:54 ` Laurent Pinchart
2015-02-02 10:01 ` Geert Uytterhoeven
2015-02-02 10:06 ` Wolfram Sang
2015-02-02 10:09 ` Laurent Pinchart
2015-02-02 11:25 ` Wolfram Sang
2015-02-02 13:24 ` Wolfram Sang
2015-02-03 8:52 ` Laurent Pinchart
2015-02-03 9:09 ` Wolfram Sang [this message]
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