From: tony@atomide.com (Tony Lindgren)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/2] ARM: OMAP4: MMC: increase delay for pbias
Date: Tue, 31 May 2011 06:28:03 -0700 [thread overview]
Message-ID: <20110531132802.GS11352@atomide.com> (raw)
In-Reply-To: <1306765534-20103-2-git-send-email-balajitk@ti.com>
* Balaji T K <balajitk@ti.com> [110530 07:23]:
> 4 micro seconds is not enough for PBIAS if MMC regulator is
> enabled from MMC regulator OFF.
> Increase the delay for PBIAS to stabilize.
> Wait for PBIAS and timeout if not.
>
> Resolves MMC/SD failure on OMAP4
> "Pbias Voltage is not same as LDO"
Thanks will queue as a fix.
Tony
next prev parent reply other threads:[~2011-05-31 13:28 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-30 14:25 [PATCH 0/2] ARM: OMAP4: fix MMC failure due to regulator enable/disable ops Balaji T K
2011-05-30 14:25 ` [PATCH 1/2] ARM: OMAP4: MMC: increase delay for pbias Balaji T K
2011-05-31 13:28 ` Tony Lindgren [this message]
2011-05-31 14:04 ` Kishore Kadiyala
2011-06-01 7:41 ` Tony Lindgren
2011-06-01 9:18 ` T Krishnamoorthy, Balaji
2011-05-30 14:25 ` [PATCH 2/2] ARM: OMAP4: MMC: no regulator off during probe for eMMC Balaji T K
2011-05-31 13:26 ` Tony Lindgren
2011-05-31 13:32 ` T Krishnamoorthy, Balaji
2011-05-31 13:45 ` Tony Lindgren
2011-05-31 14:41 ` Kishore Kadiyala
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