From: Tony Lindgren <tony@atomide.com>
To: balrogg@gmail.com
Cc: linux-omap-open-source@linux.omap.com
Subject: Re: Pending July patches
Date: Thu, 10 Aug 2006 13:45:10 +0300 [thread overview]
Message-ID: <20060810104509.GF30195@atomide.com> (raw)
In-Reply-To: <fb249edb0608100107rf15805dpb756b2cc0aacae31@mail.gmail.com>
* andrzej zaborowski <balrog@zabor.org> [060810 11:07]:
> On 10/08/06, Tony Lindgren <tony@atomide.com> wrote:
> >* andrzej zaborowski <balrog@zabor.org> [060810 07:41]:
> >> >
> >> >Personally I didn't have problems with MMC/SD support on OMAP1 with
> >> >current git, except the 2GB and 4GB cards (but we have a workaround
> >> >for those). Instead I see strange things happen with the LCD -- It
> >> >takes about 1 second to initialise (in 2.6.16 you couldn't notice
> >>
> >> Oops, actually it was in the MMC/SD driver. Because the lines
> >> if (!irqs_disabled())
> >> return -EAGAIN;
> >> in mmc_omap_suspend were removed, LCD & backlight are now suspended
> >> before MMC and resumed first which results in a weird visual effect
> >> while cards are detected but no slowdown as far as I can tell.
> >
> >Do you have a patch for that?
>
> Well, it's just aesthetics. If you put these two lines back in
> mmc_omap_suspend(), resuming will look better because LCD & backlight
> resumes last, but there's a trade-off, according to
> Documentation/power/devices.txt (which I only found out about today):
> when a driver returns -EAGAIN, it will be suspended as last but it can
> only be suspended with the whole system. Run-time suspending won't
> work (i.e. "echo 1 > /sys/devices/platform/mmci-omap.1/power/state"
> will fail) so it's probably not desirable.
OK, let's keep as it is then.
> I don't know how to force LCD to be resumed last.
Maybe the makefile order?
Tony
prev parent reply other threads:[~2006-08-10 10:45 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-08-01 16:44 Pending July patches Dirk Behme
2006-08-03 11:17 ` Tony Lindgren
2006-08-03 12:08 ` Komal Shah
2006-08-03 13:03 ` GPMC timings for smc91x on 24xx (WAS: Pending July patches) Tony Lindgren
2006-08-03 13:39 ` Need help to understand a #pragma statment Taru Varshney
2006-08-04 11:05 ` Pending July patches Tony Lindgren
2006-08-04 13:20 ` [PATCH] ARM: OMAP: Fix lcd_ams_delta to use new PWL defines Jonathan McDowell
2006-08-07 15:22 ` Tony Lindgren
2006-08-08 8:33 ` mcbsp Arnold
2006-08-08 21:33 ` 2.6.18-rc4 / generic irq etc Jonathan McDowell
2006-08-09 7:26 ` Tony Lindgren
2006-08-04 14:40 ` Pending July patches lamikr
2006-08-07 15:23 ` Tony Lindgren
2006-08-07 23:56 ` lamikr
2006-08-08 1:30 ` andrzej zaborowski
2006-08-10 4:41 ` andrzej zaborowski
2006-08-10 7:32 ` Tony Lindgren
2006-08-10 8:07 ` andrzej zaborowski
2006-08-10 10:45 ` Tony Lindgren [this message]
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