From: Tony Lindgren <tony@atomide.com>
To: Adrian Hunter <adrian.hunter@nokia.com>
Cc: linux-mmc Mailing List <linux-mmc@vger.kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
linux-omap Mailing List <linux-omap@vger.kernel.org>,
Madhusudhan Chikkature <madhu.cr@ti.com>
Subject: Re: [PATCH 5/8] omap_hsmmc: RX51: set padconfs to pull down when powering off eMMC
Date: Wed, 13 Jan 2010 13:00:42 -0800 [thread overview]
Message-ID: <20100113210042.GM2986@atomide.com> (raw)
In-Reply-To: <20100113203958.GL2986@atomide.com>
* Tony Lindgren <tony@atomide.com> [100113 12:38]:
> * Tony Lindgren <tony@atomide.com> [100113 12:36]:
> >
> > You might want to check what happens in omap off-idle mode in these cases
> > and see if enabling OMAP_PIN_OFF_INPUT_PULLDOWN makes any difference in
> > power consumption in off state. That probably does not matter unless the
> > floating lines cause the eMMC to do something on it's own :)
>
> Or OMAP_PIN_OFF_OUTPUT_LOW actually.
One more time.. Most likely OMAP_PIN_OFF_INPUT_PULLDOWN is safer
in general as the OMAP_PIN_OFF_OUTPUT_LOW does not work for all
pins. According to the TRM, OMAP_PIN_OFF_OUTPUT_LOW only works
for pins where at least one of the mux modes supports output
mode.
Regards,
Tony
next prev parent reply other threads:[~2010-01-13 21:00 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-13 11:40 [PATCH 0/8] omap_hsmmc changes Adrian Hunter
2010-01-13 11:40 ` [PATCH 1/8] omap_hsmmc: move gpio and regulator control from board file Adrian Hunter
2010-01-13 18:54 ` Tony Lindgren
2010-01-14 7:58 ` Adrian Hunter
2010-01-13 22:28 ` Madhusudhan
2010-01-14 8:17 ` Adrian Hunter
2010-01-13 11:40 ` [PATCH 2/8] OMAP: rename mmc-twl4030 to hsmmc Adrian Hunter
2010-01-13 11:40 ` [PATCH 3/8] OMAP: reconnect hsmmc context loss count Adrian Hunter
2010-01-14 19:55 ` Paul Walmsley
2010-01-13 11:40 ` [PATCH 4/8] omap_hsmmc: set DVFS/PM constraints Adrian Hunter
2010-01-13 22:53 ` Paul Walmsley
2010-01-14 8:28 ` Adrian Hunter
2010-01-14 19:53 ` Paul Walmsley
2010-01-15 9:04 ` Adrian Hunter
2010-01-13 11:40 ` [PATCH 5/8] omap_hsmmc: RX51: set padconfs to pull down when powering off eMMC Adrian Hunter
2010-01-13 20:37 ` Tony Lindgren
2010-01-13 20:39 ` Tony Lindgren
2010-01-13 21:00 ` Tony Lindgren [this message]
2010-01-13 23:30 ` Nishanth Menon
2010-01-14 7:57 ` Adrian Hunter
2010-01-15 13:11 ` Adrian Hunter
2010-01-13 11:40 ` [PATCH 6/8] omap_hsmmc: allow for power saving without going off Adrian Hunter
2010-01-13 11:41 ` [PATCH 7/8] omap_hsmmc: fix disable timeouts Adrian Hunter
2010-01-13 11:41 ` [PATCH 8/8] omap_hsmmc: allow for a shared VccQ Adrian Hunter
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