[U-Boot] TI:OMAP: [PATCH 2/7] Enable I2C bus switching

[Tom <Tom.Rix@windriver.com>]

Khasim Syed Mohammed wrote:
> On Sun, Jan 24, 2010 at 5:35 AM, Tom <Tom.Rix@windriver.com> wrote:
>> Khasim Syed Mohammed wrote:
>>> From 9bb1c3501c8f098dac6e224c99e409ebf92b0ab9 Mon Sep 17 00:00:00 2001
>>> From: Syed Mohammed Khasim <khasim@ti.com>
>>> Date: Mon, 18 Jan 2010 18:11:14 +0530
>>> Subject: [PATCH] Enable I2C bus switching
>>>
>>> OMAP3 supports Multiple I2C channels, this patch allows
>>> us to use i2c dev <bus no> command to switch between busses.
>>>
>>> Signed-off-by: Syed Mohammed Khasim <khasim@ti.com>
>>> Acked-by: Heiko Schocher <hs@denx.de>
>>> ---
>>>  drivers/i2c/omap24xx_i2c.c     |    5 +++++
>>>  include/configs/omap3_beagle.h |    6 ++++++
>>>  2 files changed, 11 insertions(+), 0 deletions(-)
>>>
>>> diff --git a/drivers/i2c/omap24xx_i2c.c b/drivers/i2c/omap24xx_i2c.c
>>> index ff18991..e8c8184 100644
>>> --- a/drivers/i2c/omap24xx_i2c.c
>>> +++ b/drivers/i2c/omap24xx_i2c.c
>>> @@ -435,3 +435,8 @@ int i2c_set_bus_num(unsigned int bus)
>>>
>>>        return 0;
>>>  }
>>> +
>>> +int i2c_get_bus_num(void)
>>> +{
>>> +       return (int) current_bus;
>>> +}
>>> diff --git a/include/configs/omap3_beagle.h
>>> b/include/configs/omap3_beagle.h
>>> index a8abb0e..4d516a4 100644
>>> --- a/include/configs/omap3_beagle.h
>>> +++ b/include/configs/omap3_beagle.h
>>> @@ -100,6 +100,12 @@
>>>  /* DDR - I use Micron DDR */
>>>  #define CONFIG_OMAP3_MICRON_DDR                1
>>>
>>> +/* Enable Multi Bus support for I2C */
>>> +#define CONFIG_I2C_MULTI_BUS           1
>>> +
>>> +/* Probe all devices */
>>> +#define CONFIG_SYS_I2C_NOPROBES                {0x0, 0x0}
>> Most/All of the configs I reviewed set the addr element
>> to a valid address.  I do not believe 0 is a valid address
>> on omap.  If the intent is a double negative
>> {0, 0} == probe all
>> Then add a comment.
>>
> I thought I already added a comment ,
> 
>>> +/* Probe all devices */
> What more are you expecting. please print ...

Sorry.
I missed that.
This is fine.
Tom

> 
> Regards,
> Khasim