From: Dmitry Osipenko <digetx@gmail.com>
To: Peter Crosthwaite <crosthwaitepeter@gmail.com>,
Peter Maydell <peter.maydell@linaro.org>
Cc: QEMU Developers <qemu-devel@nongnu.org>
Subject: Re: [Qemu-devel] [PATCH v4] arm_mptimer: Convert to use ptimer
Date: Tue, 13 Oct 2015 23:51:41 +0300 [thread overview]
Message-ID: <561D6EDD.9080209@gmail.com> (raw)
In-Reply-To: <561D257E.5040700@gmail.com>
13.10.2015 18:38, Dmitry Osipenko пишет:
> 13.10.2015 17:11, Dmitry Osipenko пишет:
>> + ptimer_set_limit(tb->timer, value, 0);
>> + ptimer_set_count(tb->timer, value);
>>
>
> Umm... looking more at these lines, I think it might put in a trouble in some
> corner case. It might worth trying to make ptimer more flexible rather than to
> workaround it's imperfection.
>
I looked into moving specific trigger/start/stop logic into the ptimer and it
really doesn't worth churning the ptimer code, since no other device has similar
requirements (or they are just incomplete/broken). I'll add one-line patch in V5
for ptimer_set_limit() to make ptimer_get_count() return correct value for the
disabled timer, so we won't need the above ad-hoc.
--
Dmitry
prev parent reply other threads:[~2015-10-13 20:52 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-13 14:11 [Qemu-devel] [PATCH v4] arm_mptimer: Convert to use ptimer Dmitry Osipenko
2015-10-13 15:38 ` Dmitry Osipenko
2015-10-13 20:51 ` Dmitry Osipenko [this message]
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