[U-Boot] [PATCH v3 0/9] Bring in new I2C framework

Piotr Wilczek p.wilczek at samsung.com
Thu Jun 20 08:41:48 CEST 2013


Dear Heiko,

> -----Original Message-----
> From: Minkyu Kang [mailto:mk7.kang at samsung.com]
> Sent: Thursday, June 20, 2013 7:51 AM
> To: Heiko Schocher
> Cc: Simon Glass; Piotr Wilczek; U-Boot Mailing List; Dirk Eibach;
> Stefan Roese; Holger Brunck; Mike Frysinger; Stephen Warren
> Subject: Re: [PATCH v3 0/9] Bring in new I2C framework
> 
> Dear Heiko,
> 
> On 20/06/13 12:38, Heiko Schocher wrote:
> > Hello Simon,
> >
> > Am 20.06.2013 00:07, schrieb Simon Glass:
> >> Hi Heiko,
> >>
> >> On Sun, May 19, 2013 at 11:13 PM, Piotr Wilczek
> <p.wilczek at samsung.com <mailto:p.wilczek at samsung.com>> wrote:
> >>
> >>     Hi Simon,
> >>
> >>     > -----Original Message-----
> >>     > From: sjg at google.com <mailto:sjg at google.com>
> [mailto:sjg at google.com <mailto:sjg at google.com>] On Behalf Of Simon
> Glass
> >>     > Sent: Saturday, May 18, 2013 7:41 PM
> >>     > To: Piotr Wilczek
> >>     > Cc: Heiko Schocher; U-Boot Mailing List; Dirk Eibach; Stefan
> Roese;
> >>     > Holger Brunck; Mike Frysinger; Stephen Warren; Minkyu Kang
> >>     > Subject: Re: [PATCH v3 0/9] Bring in new I2C framework
> >>     >
> >>     > Hi Piotr,
> >>     >
> >>     > On Fri, May 17, 2013 at 6:17 AM, Piotr Wilczek
> <p.wilczek at samsung.com <mailto:p.wilczek at samsung.com>>
> >>     > wrote:
> >>     > > Dear Heiko,
> >>     > >
> >>     > >> -----Original Message-----
> >>     > >> From: Heiko Schocher [mailto:hs at denx.de
> <mailto:hs at denx.de>]
> >>     > >> Sent: Saturday, May 04, 2013 2:02 PM
> >>     > >> To: u-boot at lists.denx.de <mailto:u-boot at lists.denx.de>
> >>     > >> Cc: Heiko Schocher; Dirk Eibach; Stefan Roese; Simon Glass;
> Piotr
> >>     > >> Wilczek; Holger Brunck; Mike Frysinger; Stephen Warren
> >>     > >> Subject: [PATCH v3 0/9] Bring in new I2C framework
> >>     > >>
> >>     > >> It seems the timing is coming, to bring this finally in
> mainline and
> >>     > >> move boards over to the new i2c framework.
> >>     > >>
> >>     > >> Changes for v3 series:
> >>     > >>
> >>     > >> - Compiler collects the used i2c adapters in
> _u_boot_list_i2c,
> >>     > >>   so no need for defining the used i2c adpaters in the
> board config
> >>     > >> file.
> >>     > >>   -> drop CONFIG_SYS_NUM_I2C_ADAPTERS and
> CONFIG_SYS_I2C_ADAPTERS
> >>     > >> - Some adaptions for the keymile boards, so we can drop
> >>     > CONFIG_I2C_MUX
> >>     > >>   completely
> >>     > >> - add ppc4xx_i2c driver, ported from Dirk Eibach
> >>     > >>
> >>     > >> Serie compiles clean on arm and powerpc
> >>     > >>
> >>     > >> Ported i2c drivers:
> >>     > >> soft_i2c  : from me, tested on some arm and powerpc boards
> >>     > >> fsl_i2c   : from me, only compile tested
> >>     > >> tegra_i2c : ported from Simon Glass
> >>     > >> ppc4xx_i2c: adapted from Dirk Eibach <dirk.eibach at gdsys.cc>
> >>     > >>             tested on (which board?) with 4 soft_i2c
> drivers
> >>     > >>             and one ppc4x_i2c driver.
> >>     > >>
> >>     > >> Cc: Dirk Eibach <dirk.eibach at gdsys.cc>
> >>     > >> Cc: Stefan Roese <sr at denx.de <mailto:sr at denx.de>>
> >>     > >> Cc: Simon Glass <sjg at chromium.org
> <mailto:sjg at chromium.org>>
> >>     > >> Cc: Piotr Wilczek <p.wilczek at samsung.com
> <mailto:p.wilczek at samsung.com>>
> >>     > >> Cc: Holger Brunck <holger.brunck at keymile.com
> <mailto:holger.brunck at keymile.com>>
> >>     > >> Cc: Mike Frysinger <vapier at gentoo.org
> <mailto:vapier at gentoo.org>>
> >>     > >> Cc: Stephen Warren <swarren at wwwdotorg.org
> <mailto:swarren at wwwdotorg.org>>
> >>     > >>
> >>     > >
> >>     > > I ported s3c24x0_i2c driver and tested this framework on
> Samsung tree
> >>     > on Trats2 board.
> >>     >
> >>     > Please can you send a patch for this port?
> >>
> >>     I posted that patch and some others with series introducing
> Trsts2, where I
> >>     want to use this framework.
> >>     I'm sorry I didn't mention it in my first mail.
> >>     http://patchwork.ozlabs.org/patch/244645/
> >>     http://patchwork.ozlabs.org/patch/244644/
> >>     .
> >>     http://patchwork.ozlabs.org/patch/244638/
> >>     http://patchwork.ozlabs.org/patch/244637/
> >>     http://patchwork.ozlabs.org/patch/244640/
> >>     http://patchwork.ozlabs.org/patch/244636/
> >
> > Hups, missed this patches ...
> >
> >> What is the status of this series now please?
> >

If you take this series, please replace the following patch:
http://patchwork.ozlabs.org/patch/244642/

with the following one:
http://patchwork.ozlabs.org/patch/248927/

> > I heared nothing negatives for the new i2c multibus framework, so I
> > plan to merge it into mainline, if the next merge widow is open.
> >
> > So, the best for above patches would be, If I delegate them to me,
> and
> > apply them, when merging the new i2c multibus support ...
> >
> > @Minkyu: Is this OK for you?
> 
> OK..
> please pick patches.
> 
> >
> > bye,
> > Heiko
> >
> 
> Thanks,
> Minkyu Kang.

Best regards,
Piotr Wilczek





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