[PATCH 0/7] ARM: S5PC210: I2C devices support and Universal board updates
kgene.kim at samsung.com
Wed Oct 6 21:37:50 EDT 2010
Kyungmin Park wrote:
> On Tue, Oct 5, 2010 at 5:40 PM, Kukjin Kim <kgene.kim at samsung.com> wrote:
> > Kyungmin Park wrote:
> >> Hi,
> > Hi,
> >> I think we made some conclusion. first apply the current style and
> >> improve it later for consistency.
> > Yeah, we should decide for this.
> > However, it's expected following problem with current I2C style.
> > Suppose A board want to use only I2C0, 1, 2, 3, 4, 7 as I2C and B board
> > to use all of I2C channels as I2C. If use one kernel image for A and B,
> > maybe selected all I2C channels. It can be happened the some problem
> > I2C5 and I2C6 on A board when it used for other purpose.
> It's handled by platform_device id. Even though turn on all I2C. A
> board don't register 5 or 6 then no configure any GPIOs.
Yes, you're right.
Please kindly ignore it.
> > Of course can happen regardless of number of I2C channel, but if more
> > channels, the probability can be increased.
> > Anyway I know Mr. Han is preparing I2C patches for it and almost done.
> > How about continuing discussion for this after submitting it?
> > I think we have some time that talk about this issue.
Kukjin Kim <kgene.kim at samsung.com>, Senior Engineer,
SW Solution Development Team, Samsung Electronics Co., Ltd.
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