[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <20171207220642.qqiwf4vvk2gf42uf@valkosipuli.retiisi.org.uk>
Date: Fri, 8 Dec 2017 00:06:42 +0200
From: Sakari Ailus <sakari.ailus@....fi>
To: Sinan Kaya <okaya@...eaurora.org>
Cc: dmaengine@...r.kernel.org, timur@...eaurora.org,
devicetree@...r.kernel.org, linux-acpi@...r.kernel.org,
linux-arm-msm@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
"Rafael J. Wysocki" <rjw@...ysocki.net>,
Len Brown <lenb@...nel.org>,
Mika Westerberg <mika.westerberg@...ux.intel.com>,
Sakari Ailus <sakari.ailus@...ux.intel.com>,
Dmitry Torokhov <dmitry.torokhov@...il.com>,
Rob Herring <robh@...nel.org>,
Kieran Bingham <kieran.bingham+renesas@...asonboard.com>,
open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH V6 3/7] device property: Introduce a common API to fetch
device match data
On Thu, Dec 07, 2017 at 03:17:52PM -0500, Sinan Kaya wrote:
> On 12/7/2017 7:40 AM, Sakari Ailus wrote:
> > On Tue, Dec 05, 2017 at 12:04:48PM -0500, Sinan Kaya wrote:
> >> @@ -101,6 +103,8 @@ struct fwnode_operations {
> >> (*graph_get_port_parent)(struct fwnode_handle *fwnode);
> >> int (*graph_parse_endpoint)(const struct fwnode_handle *fwnode,
> >> struct fwnode_endpoint *endpoint);
> >> + void *(*get_match_data)(const struct fwnode_handle *fwnode,
> >> + struct device *dev);
> >
> > You can make dev const, too.
> >
>
> done, I couldn't change device_get_match_data() parameter const due to
> dev_fwnode() function.
>
> from /local/mnt/workspace/projects/caf/kernel/drivers/base/property.c:13:
>
> /local/mnt/workspace/projects/caf/kernel/drivers/base/property.c:1341:39: warning: passing argument 1 of 'dev_fwnode' discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers]
> return fwnode_call_ptr_op(dev_fwnode(dev), device_get_match_data,
Right. Makes sense.
I guess it's not perhaps worth it introducing dev_fwnode_const just for
this. devices are seldom if ever const anyway.
--
Sakari Ailus
e-mail: sakari.ailus@....fi
Powered by blists - more mailing lists