From: plagnioj@jcrosoft.com (Jean-Christophe PLAGNIOL-VILLARD)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] at91sam9g45: fix i2c bus speed
Date: Thu, 23 Sep 2010 14:00:23 +0200 [thread overview]
Message-ID: <20100923120023.GD32018@game.jcrosoft.org> (raw)
In-Reply-To: <87zkv88zln.fsf@macbook.be.48ers.dk>
On 13:32 Thu 23 Sep , Peter Korsgaard wrote:
> >>>>> "Jean-Christophe" == Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> writes:
>
> Hi,
>
> >> And yes, if you run the SoC at nonstandard (slower) speed this might be
> >> slower than 100Khz, but that's still safe, so not a big deal.
>
> Jean-Christophe> except you can also overclock the SoC in some case so
> Jean-Christophe> it's still not safe
>
> Sure, you can do lots of crazy stuff. Instead of discussion this back
> and forward, do you agree that udelay=5 is better/safer/more sensible
> than the current udelay=2 value?
no it's not safer it's hardcoded value where it's board specific
so we just close our eyes on the problem by doing this
it's time to fix it correctly
>
> Jean-Christophe> and force this speed for all boards :(
>
> Just like it has always been.
does not means it's right
Best Regards,
J.
next prev parent reply other threads:[~2010-09-23 12:00 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-22 9:31 [PATCH] at91sam9g45: fix i2c bus speed Peter Korsgaard
2010-09-22 10:48 ` Jean-Christophe PLAGNIOL-VILLARD
2010-09-22 11:08 ` Peter Korsgaard
2010-09-22 14:34 ` Jean-Christophe PLAGNIOL-VILLARD
2010-09-22 14:54 ` Wolfgang Wegner
2010-09-22 16:09 ` Jean-Christophe PLAGNIOL-VILLARD
2010-09-22 15:18 ` Peter Korsgaard
2010-09-22 16:05 ` Nicolas Ferre
2010-09-22 16:10 ` Jean-Christophe PLAGNIOL-VILLARD
2010-09-22 16:06 ` Nicolas Ferre
2010-09-23 8:18 ` Nicolas Ferre
2010-09-23 9:22 ` Peter Korsgaard
2010-09-23 9:31 ` Russell King - ARM Linux
2010-09-23 10:09 ` Jean-Christophe PLAGNIOL-VILLARD
2010-09-23 10:24 ` Peter Korsgaard
2010-09-23 10:21 ` Peter Korsgaard
2010-09-23 10:36 ` Russell King - ARM Linux
2010-09-23 10:54 ` Peter Korsgaard
2010-09-23 11:16 ` Jean-Christophe PLAGNIOL-VILLARD
2010-09-23 11:32 ` Peter Korsgaard
2010-09-23 12:00 ` Jean-Christophe PLAGNIOL-VILLARD [this message]
2010-09-23 11:07 ` Jean-Christophe PLAGNIOL-VILLARD
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