[U-Boot] [PATCH] common/i2c: Add i2c write command
York Sun
yorksun at freescale.com
Tue Sep 18 05:57:54 CEST 2012
On 09/17/2012 06:36 PM, Tom Rini wrote:
> On Mon, Sep 17, 2012 at 11:29:00PM +0000, sun york-R58495 wrote:
>
>> Tom,
>>
>> It's like eeprom write but it writes to general devices, not specificly to system eeprom. I would have to use i2c mw command a lot without this.
>
> Right. I guess what I'm getting at is, are you writing to some sort
> of other device or writing bits to storage attached to i2c? Does it
> really not make sense to just use 'eeprom write' even if it's not
> technically for The System EEPROM but rather some storage (or a number
> of storage chips) attached via i2c?
>
> I'm not objecting to i2c write mind you, I was wishing for something
> like this when I stumbled on CONFIG_CMD_EEPROM which did what I needed.
>
Tom,
I have a case under debugging where I need to use i2c write to devices.
One device (EEPROM) has two-byte address length and most others
(including other EEPROMs) have one byte address length. I also have
other non-storage devices but I wouldn't use "i2c write" because "i2c
mw" will be sufficient. eeprom command has its limitation for the case
of variable device address and variable address length.
York
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