linux-kernel - Re: [PATCH 13/22] Input: ili210x - use device core to create driver-specific device attributes

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Date:   Sun, 30 Jul 2023 13:38:30 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Marek Vasut <marex@...x.de>
Cc:     Dmitry Torokhov <dmitry.torokhov@...il.com>,
        linux-input@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 13/22] Input: ili210x - use device core to create
 driver-specific device attributes

On Sat, Jul 29, 2023 at 05:07:17PM +0200, Marek Vasut wrote:
> On 7/29/23 02:51, Dmitry Torokhov wrote:
> > Instead of creating driver-specific device attributes with
> > devm_device_add_group() have device core do this by setting up dev_groups
> > pointer in the driver structure.
> > 
> > Signed-off-by: Dmitry Torokhov <dmitry.torokhov@...il.com>
> > ---
> >   drivers/input/touchscreen/ili210x.c | 15 +++++----------
> >   1 file changed, 5 insertions(+), 10 deletions(-)
> > 
> > diff --git a/drivers/input/touchscreen/ili210x.c b/drivers/input/touchscreen/ili210x.c
> > index ad6828e4f2e2..31ffdc2a93f3 100644
> > --- a/drivers/input/touchscreen/ili210x.c
> > +++ b/drivers/input/touchscreen/ili210x.c
> > @@ -876,7 +876,7 @@ static ssize_t ili210x_firmware_update_store(struct device *dev,
> >   static DEVICE_ATTR(firmware_update, 0200, NULL, ili210x_firmware_update_store);
> > -static struct attribute *ili210x_attributes[] = {
> > +static struct attribute *ili210x_attrs[] = {
> >   	&dev_attr_calibrate.attr,
> >   	&dev_attr_firmware_update.attr,
> >   	&dev_attr_firmware_version.attr,
> > @@ -904,10 +904,11 @@ static umode_t ili210x_attributes_visible(struct kobject *kobj,
> >   	return attr->mode;
> >   }
> > -static const struct attribute_group ili210x_attr_group = {
> > -	.attrs = ili210x_attributes,
> > +static const struct attribute_group ili210x_group = {
> > +	.attrs = ili210x_attrs,
> 
> Is all the renaming really necessary and relevant to this patch ?

Yes, it's needed for the __ATTRIBUTE_GROUPS() macro.

thanks,

greg k-h