linux-kernel - Re: [PATCH 04/12] hdaps: Correct readout and remove nonsensical attributes

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Date:	Tue, 8 Aug 2006 12:56:52 +0000
From:	Pavel Machek <pavel@...e.cz>
To:	Muli Ben-Yehuda <muli@...ibm.com>
Cc:	Björn Steinbrink <B.Steinbrink@....de>,
	Shem Multinymous <multinymous@...il.com>,
	Robert Love <rlove@...ve.org>,
	Jean Delvare <khali@...ux-fr.org>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	linux-kernel@...r.kernel.org, hdaps-devel@...ts.sourceforge.net
Subject: Re: [PATCH 04/12] hdaps: Correct readout and remove nonsensical attributes

On Tue 08-08-06 15:22:34, Muli Ben-Yehuda wrote:
> On Mon, Aug 07, 2006 at 08:20:47PM +0200, Björn Steinbrink wrote:
> > On 2006.08.07 19:30:55 +0300, Shem Multinymous wrote:
> > > Hi Pavel,
> > > 
> > > On 8/7/06, Pavel Machek <pavel@...e.cz> wrote:
> > > >> +     int total, ret;
> > > >> +     for (total=READ_TIMEOUT_MSECS; total>0; total-=RETRY_MSECS) {
> > > >
> > > >Could we go from 0 to timeout, not the other way around?
> > > 
> > > Sure.
> > > (That's actually vanilla hdapsd code, moved around...)
> > 
> > Maybe you could convert that to sth. like this along the way?
> > 
> > int ret;
> > unsigned long timeout = jiffies + msec_to_jiffies(READ_TIMEOUT_MSECS);
> > for (;;) {
> > 	ret = thinkpad_ec_lock();
> > 	if (ret)
> > 		return ret;
> 
> Just in case someone was going to cut and paste, this will return with
> the ec_lock taken.

Well, taking lock failed (hence error return) so I think code is
correct.

-- 
Thanks for all the (sleeping) penguins.
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