Comment 4 for bug 1419151

On Fri, 2015-02-06 at 22:09 +0000, Chris J Arges wrote:
> Benh,
> Will CONFIG_I2C_OPAL=m be sufficient for this driver?
> In addition, is this driver needed during installation?

Yes and no.

IE. Yes, it can be a module, and no, it's not needed in the installer at
this point as far as I can tell. It might be handy to have it in the
live CD though for manufacturing etc...

Cheers,
Ben.

> Thanks,
> --chris
>
> ** Also affects: linux (Ubuntu Utopic)
> Importance: Undecided
> Status: New
>
> ** Also affects: linux (Ubuntu Trusty)
> Importance: Undecided
> Status: New
>
> ** Changed in: linux (Ubuntu)
> Status: Incomplete => Opinion
>
> ** Changed in: linux (Ubuntu)
> Status: Opinion => Confirmed
>
> ** Changed in: linux (Ubuntu)
> Assignee: (unassigned) => Chris J Arges (arges)
>
> ** Changed in: linux (Ubuntu Trusty)
> Assignee: (unassigned) => Chris J Arges (arges)
>
> ** Changed in: linux (Ubuntu Utopic)
> Assignee: (unassigned) => Chris J Arges (arges)
>
> ** Changed in: linux (Ubuntu Trusty)
> Importance: Undecided => Medium
>
> ** Changed in: linux (Ubuntu Utopic)
> Importance: Undecided => Medium
>
> ** Changed in: linux (Ubuntu Trusty)
> Status: New => Confirmed
>
> ** Changed in: linux (Ubuntu Utopic)
> Status: New => Confirmed
>
> ** Description changed:
>
> - The Open Power machines need the driver that was merged in 3.19 backported. The commit upstream
> - is 470834508f87877f680738a10a305280582c7aed "i2c: Driver to expose PowerNV platform i2c busses"
> -
> + [Impact]
> This exposes the i2c busses of the machine which are controlled via the OPAL firmware. This is among
> other things, necessary for manufacturing configuration of VPDs etc..., but will also enable Linux access
> to some i2c devices such as the TPM.
>
> We wish to have this in utopic and if possible trusty.
> +
> + [Fix]
> + The Open Power machines need the driver that was merged in 3.19 backported. The commit upstream
> + is 470834508f87877f680738a10a305280582c7aed "i2c: Driver to expose PowerNV platform i2c busses"
> + $ git describe --contains 470834508f87877f680738a10a305280582c7aed
> + v3.19-rc1~22^2~7
> +
> + [Test Case]
> + modprobe i2c-opal
>