Re: [PATCH v2] at24: Fall back to byte or word reads if needed

[Wolfram Sang <w.sang-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>]

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On Mon, Mar 08, 2010 at 04:18:38PM +0100, Jean Delvare wrote:
> Increase the portability of the at24 driver by letting it read from
> EEPROM chips connected to cheap SMBus controllers that support neither
> raw I2C messages nor even I2C block reads. All SMBus controllers
> should support either word reads or byte reads, so read support
> becomes universal, much like with the legacy "eeprom" driver.
> 
> Obviously, this only works with EEPROM chips up to AT24C16, that use
> 8-bit offset addressing. 16-bit offset addressing is almost impossible
> to support on SMBus controllers.
> 
> I did not add universal support for writes, as I had no immediate need
> for this, but it could be added later if needed (with the same
> performance issue as byte and word reads have, of course.)
> 
> Signed-off-by: Jean Delvare <khali-PUYAD+kWke1g9hUCZPvPmw@public.gmane.org>

This one also

Reviewed-by: Wolfram Sang <w.sang-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>

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