Re: [PATCH v3 05/14] i2c-octeon: Make adapter timeout tunable

From: Wolfram Sang
Date: Sat Mar 12 2016 - 10:46:27 EST

On Mon, Mar 07, 2016 at 04:10:48PM +0100, Jan Glauber wrote:
> From: Peter Swain <pswain@xxxxxxxxxx>
> Make the i2c adapter timeout a module parameter to allow upper-level
> target device drivers to retry with their own logic before their own
> timeouts abort operations.
> For example, at24 eeprom driver retries for 25ms when -EAGAIN
> indicates that an eeprom has gone unresponsive while committing
> a newly written page (5ms on typical devices).
> Signed-off-by: Peter Swain <pswain@xxxxxxxxxx>
> Signed-off-by: Jan Glauber <jglauber@xxxxxxxxxx>

i2c-dev has IOCTLs for timeout and retries. Can't you use those?

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