RE: [PATCH 3/3 v2] mmc: Add ESDHC weird voltage bits workaround

2010-08-02 Thread Zang Roy-R61911
-Original Message- From: Anton Vorontsov [mailto:cbouatmai...@gmail.com] Sent: Friday, July 30, 2010 15:06 PM To: Zang Roy-R61911 Cc: linux-...@vger.kernel.org; linuxppc-...@ozlabs.org; a...@linux-foundation.org Subject: Re: [PATCH 3/3 v2] mmc: Add ESDHC weird voltage bits

Re: [PATCH 3/3 v2] mmc: Add ESDHC weird voltage bits workaround

2010-08-02 Thread Anton Vorontsov
On Mon, Aug 02, 2010 at 02:19:58PM +0800, Zang Roy-R61911 wrote: [...] For p4080 it will be 'voltage-ranges = 3200 3400;'. So, with voltage-ranges we can do fine grained VDD control without introducing anything new. why not voltage-ranges = 3300 3300; Right you are, both

Re: [PATCH 3/3 v2] mmc: Add ESDHC weird voltage bits workaround

2010-07-30 Thread Anton Vorontsov
On Fri, Jul 30, 2010 at 11:52:57AM +0800, Roy Zang wrote: P4080 ESDHC controller does not support 1.8V and 3.0V voltage. but the host controller capabilities register wrongly set the bits. This patch adds the workaround to correct the weird voltage setting bits. Signed-off-by: Roy Zang