Re: [PATCH] ipmi: bt-bmc: Use a regmap for register access

From: Corey Minyard
Date: Mon Feb 20 2017 - 12:06:18 EST


On 02/20/2017 08:52 AM, Andrew Jeffery wrote:
On Mon, 2017-02-20 at 07:35 -0600, Corey Minyard wrote:
On 02/19/2017 10:45 PM, Andrew Jeffery wrote:
Hi Cory,

On Tue, 2016-12-06 at 16:02 +0100, CÃdric Le Goater wrote:
[ this is a resend bc of some mailing list issues]

On 12/06/2016 03:57 AM, Andrew Jeffery wrote:
The registers for the bt-bmc device live under the Aspeed LPC
controller. Devicetree bindings have recently been introduced for the
LPC controller where the "host" portion of the LPC register space is
described as a syscon device. Future devicetrees describing the bt-bmc
device should nest its node under the appropriate "simple-mfd", "syscon"
compatible node.

This change allows the bt-bmc driver to function with both syscon and
non-syscon- based devicetree descriptions by always using a regmap for
register access, either retrieved from the parent syscon device or
instantiated if none exists.

The patch has been tested on an OpenPOWER Palmetto machine, successfully
booting, rebooting and powering down the host.

Signed-off-by: Andrew Jeffery <andrew@xxxxxxxx>
It would be nice to have an example of the associated binding.
I did not see it. A part from that :

Reviewed-by: CÃdric Le Goater <clg@xxxxxxxx>
Will this make it into 4.11?
I thought you were doing a v2 with a few little fixes. Get it to me
quickly, if you can.
Reading back it was a bit ambiguous. No worries, I'll roll in the small
fixes and send a v2.

Yeah, it was, sorry, I should have been clear there.

I'll leave it in the linux-next tree for a bit, then ask Linus for a pull.

Thanks,

-corey

Cheers,

Andrew