[U-Boot-Users] [Patch 9/9] U-boot-V2:Boards:SDP3430: Enable i2c bus1

Menon, Nishanth x0nishan at ti.com
Wed Jun 18 17:43:49 CEST 2008


Sascha,
> -----Original Message-----
> From: Sascha Hauer [mailto:s.hauer at pengutronix.de]
> Sent: Wednesday, June 18, 2008 10:34 AM
> To: Menon, Nishanth
> Cc: Kamat, Nishant; u-boot-users at lists.sourceforge.net; Laurent Desnogues; philip.balister at gmail.com;
> dirk.behme at googlemail.com
> Subject: Re: [Patch 9/9] U-boot-V2:Boards:SDP3430: Enable i2c bus1
>
> On Wed, Jun 18, 2008 at 07:36:20AM -0500, Menon, Nishanth wrote:
> > Enable the i2c bus 1 if the adapter is enabled in defconfig.
>
> How does the bus find its devices? Are they probed? Experience showed
> that probing i2c devices is not safe, so this should be explicitly
> allowed on board level.
Bus does not scan by default. The rules are same as in linux kernel. The adapters that choose this limitation can request for platform_device with custom flags they want.
Regards,
Nishanth Menon




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