linux-kernel - Re: [PATCH 0/2] extcon: axp288: Move to swnodes

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Message-ID: <20191008111542.GA12909@kuha.fi.intel.com>
Date:   Tue, 8 Oct 2019 14:15:42 +0300
From:   Heikki Krogerus <heikki.krogerus@...ux.intel.com>
To:     Hans de Goede <hdegoede@...hat.com>
Cc:     MyungJoo Ham <myungjoo.ham@...sung.com>,
        Chanwoo Choi <cw00.choi@...sung.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org
Subject: Re: [PATCH 0/2] extcon: axp288: Move to swnodes

On Sun, Oct 06, 2019 at 09:37:25PM +0200, Hans de Goede wrote:
> Hi,
> 
> On 01-10-2019 12:51, Heikki Krogerus wrote:
> > Hi Hans,
> > 
> > That AXP288 extcon driver is the last that uses build-in connection
> > description. I'm replacing it with a code that finds the role mux
> > software node instead.
> > 
> > I'm proposing also here a little helper
> > usb_role_switch_find_by_fwnode() that uses
> > class_find_device_by_fwnode() to find the role switches.
> 
> I'm building a kernel with these patches to test them now
> (on hw which uses the axp288 extcon code-paths with the role-sw)
> 
> No test results yet, but I did notice this will building:
> 
>   CC [M]  drivers/extcon/extcon-axp288.o
> drivers/extcon/extcon-axp288.c: In function ‘axp288_extcon_find_role_sw’:
> drivers/extcon/extcon-axp288.c:333:9: warning: assignment discards ‘const’ qualifier from pointer target type [-Wdiscarded-qualifiers]
>   333 |  swnode = software_node_find_by_name(NULL, "intel-xhci-usb-sw");
>       |         ^

Thanks Hans. I'll fix that.

Br,

-- 
heikki