From: stigge@antcom.de (Roland Stigge)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] MTD: LPC32xx SLC NAND driver
Date: Tue, 15 May 2012 15:48:28 +0200 [thread overview]
Message-ID: <4FB25EAC.10205@antcom.de> (raw)
In-Reply-To: <1337088703.2528.208.camel@sauron.fi.intel.com>
On 05/15/2012 03:31 PM, Artem Bityutskiy wrote:
>> As I understand loops_per_jiffy, this loop will take much longer
>> than the 100 ms you defined above?
>
> Not sure about much, but longer. The idea is that this is about
> the error path so if we report -EIO with a slight delay - no
> problem.
Turned out that the condition (FIFO empty) is always true for me.
Keeping the check for safety reasons for now, doing the timeout with
msleep()s which should be (cpu-wise) "social" enough and are
unexpected anyway but do approximate the ms timeout more precisely.
Roland
prev parent reply other threads:[~2012-05-15 13:48 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-12 13:29 [PATCH] MTD: LPC32xx SLC NAND driver Roland Stigge
2012-05-15 7:55 ` Artem Bityutskiy
2012-05-15 8:15 ` Huang Shijie
2012-05-15 13:20 ` Roland Stigge
2012-05-15 13:31 ` Artem Bityutskiy
2012-05-15 13:48 ` Roland Stigge [this message]
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