APPLIED[Unstable]: [PATCH v2 0/1][SRU][Focal] add 16-bit width registers support for EEPROM at24 device
Seth Forshee
seth.forshee at canonical.com
Mon Jun 1 21:22:09 UTC 2020
On Thu, May 14, 2020 at 06:39:55PM +0800, AceLan Kao wrote:
> BugLink: https://bugs.launchpad.net/bugs/1876699
>
> [Impact]
> Larger EEPROM devices that use 16-bit addresses couldn't be accessed.
>
> The i2c/smbus currently only support to access data with 8-bit width of
> address. In some larger device, such as larger EEPROM, it requires to
> access the address large than 0xff, so it needs to extend address space
> to 16-bit width.
>
> [Fix]
> Clear cherry pick from linux-next
> 82f25bd73c0b regmap-i2c: add 16-bit width registers support
>
> [Test]
> Verified on Eurotech's platforms.
>
> [Regression Potential]
> Low, this patch provides new access functions for 16-bit registers,
> shouldn't affect any other devices which are already working well.
Applied to unstable/master, thanks!
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