RE: OMAP3 I2C driver timing problem with multiple messages transfer

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Wending,

> -----Original Message-----
> From: linux-omap-owner@xxxxxxxxxxxxxxx [mailto:linux-omap-
> owner@xxxxxxxxxxxxxxx] On Behalf Of Weng, Wending
> Sent: Wednesday, December 16, 2009 8:54 AM
> To: linux-omap@xxxxxxxxxxxxxxx; linux-i2c@xxxxxxxxxxxxxxx
> Subject: OMAP3 I2C driver timing problem with multiple messages transfer
> 
> Hi All,
> 
>         Some I2C related protocols as SMBus, each command is composed of
> multiple I2C messages with timing constraint, the delay between two
> messages must be less than 10 ms, otherwise, the SMBus device will be
> timeout, and the command fails. As the function
> wait_for_completion_timeout is used to wait the end of a message, it
> doesn't guarante the next message will be sent out in 10 ms after the
> previous message is completed, so the SMBus command fails very often. I
> developped a patch for fixing this timing problem(2.6.32.RC5), is there
> anybody willing to review and to incorporate the patch into the furture
> release?
> 

Yes, do send out the patch as I am sure people would be interested to review your patch as well as incorporate it if it's needed. Please send out the patch to these mailing lists.

> Wending
> Software Engineer
> at Rheinmetall Canada
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