[U-Boot] [PATCH V2 09/12] mmc: omap_hsmmc: add mmc1 pbias, ldo1

Tom Rini trini at ti.com
Tue Jun 4 23:06:31 CEST 2013


On Mon, Jun 03, 2013 at 10:58:27PM +0300, Lubomir Popov wrote:
> Hi Lokesh,
> 
> > Hi Lubomir,
> > On Thursday 30 May 2013 07:56 PM, Lubomir Popov wrote:
> >> Hi Lokesh,
> >>
> >> On 30/05/13 16:19, Lokesh Vutla wrote:
> >>> From: Balaji T K <balajitk at ti.com>
> >>>
> >>> add dra mmc pbias support and ldo1 power on
> >>>
> >>> Signed-off-by: Balaji T K <balajitk at ti.com>
> >>> Signed-off-by: Lokesh Vutla <lokeshvutla at ti.com>
> >>> ---
> >>>   arch/arm/include/asm/arch-omap5/omap.h |    3 ++-
> >>>   drivers/mmc/omap_hsmmc.c               |   26 ++++++++++++++------------
> >>>   drivers/power/palmas.c                 |   25 ++++++++++++++++++++++++-
> >>>   include/configs/omap5_common.h         |    4 ++++
> >>>   include/configs/omap5_uevm.h           |    5 -----
> >>>   include/palmas.h                       |    6 +++++-
> >>>   6 files changed, 49 insertions(+), 20 deletions(-)
> >>>
> [snip]
> >>> +	/* set LDO9 TWL6035 to 3V */
> >> LDO9? TWL6035? If this function is used on the DRA7xx boards only (with
> >> TPS659038), you should add some comment above.
> > Ok ll add the comment.
> >>
> >>> +	val = 0x2b; /* (3 - 0.9) * 20 + 1 */
> >> Why not use definitions for the voltage? You could take them from
> >> http://patchwork.ozlabs.org/patch/244103/ where some values are
> >> defined.
> > Yes, Ill rebase this patch on top of your patch and use those defines.
> Please be aware that my above mentioned patch has not been reviewed/
> tested/acked/nacked/whatever by nobody (except possibly a quick look by
> Nishanth Menon, who had some objections). I wrote it when bringing up a
> custom OMAP5 board, and most probably it shall not go into mainline in
> its current form, if ever. I gave it only as an example of how things
> could be done cleaner. Feel free to use the code as you wish, but I'm
> afraid that applying it as a patch to your tree and basing upon it might
> run you into problems when you later sync with mainline.
> 
> Tom, your opinion?

OK, so at the time it was "nothing will really use this code except test
functions".  Looks like we have a use for mmc1_ldo9 code at least, so
lets rework the first patch for adding that + cleanups wrt constants.

-- 
Tom
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