linux-kernel - RE: [PATCH 2/2] media: i2c: ov7670: Drop CONFIG

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Message-ID: <OS0PR01MB592209D46D000F80997D9CC786F2A@OS0PR01MB5922.jpnprd01.prod.outlook.com>
Date:   Mon, 11 Sep 2023 08:21:30 +0000
From:   Biju Das <biju.das.jz@...renesas.com>
To:     Jacopo Mondi <jacopo.mondi@...asonboard.com>
CC:     Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        "linux-media@...r.kernel.org" <linux-media@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Biju Das <biju.das.au@...il.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: RE: [PATCH 2/2] media: i2c: ov7670: Drop CONFIG_OF ifdeffery

Hi Jacopo Mondi,

Thanks for the feedback.

> Subject: Re: [PATCH 2/2] media: i2c: ov7670: Drop CONFIG_OF ifdeffery
> 
> Hi Biju
> 
> On Sun, Sep 10, 2023 at 04:00:33PM +0100, Biju Das wrote:
> > Drop of_match_ptr() from ov7670_driver and get rid of ugly CONFIG_OF
> > if check. This slightly increases the size of ov7670_driver on non-OF
> > system and shouldn't be an issue.
> >
> > Add mod_devicetable.h include.
> >
> > It also allows, in case if needed, to enumerate this device via ACPI
> > with
> > PRP0001 magic.
> >
> > Signed-off-by: Biju Das <biju.das.jz@...renesas.com>
> > ---
> >  drivers/media/i2c/ov7670.c | 5 ++---
> >  1 file changed, 2 insertions(+), 3 deletions(-)
> >
> > diff --git a/drivers/media/i2c/ov7670.c b/drivers/media/i2c/ov7670.c
> > index 644457e6993d..41032394a464 100644
> > --- a/drivers/media/i2c/ov7670.c
> > +++ b/drivers/media/i2c/ov7670.c
> > @@ -10,6 +10,7 @@
> >   */
> >  #include <linux/clk.h>
> >  #include <linux/init.h>
> > +#include <linux/mod_devicetable.h>
> >  #include <linux/module.h>
> >  #include <linux/slab.h>
> >  #include <linux/i2c.h>
> > @@ -2013,18 +2014,16 @@ static const struct i2c_device_id ov7670_id[]
> > = {  };  MODULE_DEVICE_TABLE(i2c, ov7670_id);
> >
> > -#if IS_ENABLED(CONFIG_OF)
> >  static const struct of_device_id ov7670_of_match[] = {
> >  	{ .compatible = "ovti,ov7670", &ov7670_devdata },
> >  	{ /* sentinel */ }
> >  };
> >  MODULE_DEVICE_TABLE(of, ov7670_of_match); -#endif
> >
> >  static struct i2c_driver ov7670_driver = {
> >  	.driver = {
> >  		.name	= "ov7670",
> > -		.of_match_table = of_match_ptr(ov7670_of_match),
> > +		.of_match_table = ov7670_of_match,
> 
> While at it, but possibily separate from this patch, all the
> 
> #if defined(CONFIG_MEDIA_CONTROLLER)
> 
> entries could be removed as well, as since commit 7d3c7d2a2914
> ("media: i2c: Add a camera sensor top level menu") the MEDIA_CONTROLLER
> symbol is selected by the top-level menu.
> 
> Let me know if you intended to send a patch or should I.

Please feel free to send a patch to fix CONFIG_MEDIA_CONTROLLER ifdeffery.

Cheers,
Biju

> 
> For this one:
> Reviewed-by: Jacopo Mondi <jacopo.mondi+renesas@...asonboard.com>
> 
> Thanks
>   j
> 
> 
> 
> >  	},
> >  	.probe		= ov7670_probe,
> >  	.remove		= ov7670_remove,
> > --
> > 2.25.1
> >