linux-kernel - Re: [PATCH 01/13] media: i2c: Add ACPI support to ov8865

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Date:   Fri, 23 Jul 2021 00:09:08 +0100
From:   Daniel Scally <djrscally@...il.com>
To:     Andy Shevchenko <andy.shevchenko@...il.com>
Cc:     Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Paul Kocialkowski <paul.kocialkowski@...tlin.com>,
        Ezequiel Garcia <ezequiel@...labora.com>,
        Hans Verkuil <hverkuil-cisco@...all.nl>,
        Yang Li <yang.lee@...ux.alibaba.com>,
        "open list:MEDIA INPUT INFRASTRUCTURE (V4L/DVB)" 
        <linux-media@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>,
        Yong Zhi <yong.zhi@...el.com>,
        Bingbu Cao <bingbu.cao@...el.com>,
        Tianshu Qiu <tian.shu.qiu@...el.com>,
        Colin Ian King <colin.king@...onical.com>,
        "laurent.pinchart@...asonboard.com" 
        <laurent.pinchart@...asonboard.com>,
        "kieran.bingham@...asonboard.com" <kieran.bingham@...asonboard.com>
Subject: Re: [PATCH 01/13] media: i2c: Add ACPI support to ov8865


On 22/07/2021 22:58, Andy Shevchenko wrote:
>
>
> On Thursday, July 22, 2021, Daniel Scally <djrscally@...il.com
> <mailto:djrscally@...il.com>> wrote:
>
>     The ov8865 sensor is sometimes found on x86 platforms enumerated
>     via ACPI.
>     Add an ACPI match table to the driver so that it's probed on those
>     platforms.
>
>     Signed-off-by: Daniel Scally <djrscally@...il.com
>     <mailto:djrscally@...il.com>>
>     ---
>      drivers/media/i2c/ov8865.c | 8 ++++++++
>      1 file changed, 8 insertions(+)
>
>     diff --git a/drivers/media/i2c/ov8865.c b/drivers/media/i2c/ov8865.c
>     index ce50f3ea87b8..fe60cda3dea7 100644
>     --- a/drivers/media/i2c/ov8865.c
>     +++ b/drivers/media/i2c/ov8865.c
>     @@ -5,6 +5,7 @@
>       * Author: Paul Kocialkowski <paul.kocialkowski@...tlin.com
>     <mailto:paul.kocialkowski@...tlin.com>>
>       */
>
>     +#include <linux/acpi.h>
>
>
>
> No user of it. Probably you meant mod_devicetable.h


Huh, I guess I did yeah...for some reason I thought acpi_device_id was
in acpi.h. Thanks very much; I'll fix it.

>  
>
>      #include <linux/clk.h>
>      #include <linux/delay.h>
>      #include <linux/device.h>
>     @@ -2946,6 +2947,12 @@ static const struct dev_pm_ops
>     ov8865_pm_ops = {
>             SET_RUNTIME_PM_OPS(ov8865_suspend, ov8865_resume, NULL)
>      };
>
>     +static const struct acpi_device_id ov8865_acpi_match[] = {
>     +       {"INT347A"},
>     +       {},
>     +};
>     +MODULE_DEVICE_TABLE(acpi, ov8865_acpi_match);
>     +
>      static const struct of_device_id ov8865_of_match[] = {
>             { .compatible = "ovti,ov8865" },
>             { }
>     @@ -2956,6 +2963,7 @@ static struct i2c_driver ov8865_driver = {
>             .driver = {
>                     .name = "ov8865",
>                     .of_match_table = ov8865_of_match,
>     +               .acpi_match_table = ov8865_acpi_match,
>                     .pm = &ov8865_pm_ops,
>             },
>             .probe_new = ov8865_probe,
>     -- 
>     2.25.1
>
>
>
> -- 
> With Best Regards,
> Andy Shevchenko
>
>