linux-kernel - Re: [PATCH v7 0/4] Extend device_get_match_data() to struct bus

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Message-ID: <ZNZF6cjx5N+ZsIJx@smile.fi.intel.com>
Date:   Fri, 11 Aug 2023 17:30:01 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Biju Das <biju.das.jz@...renesas.com>
Cc:     Jonathan Cameron <jic23@...nel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Peter Rosin <peda@...ntia.se>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Daniel Scally <djrscally@...il.com>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        "linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>,
        Andi Shyti <andi.shyti@...nel.org>,
        Wolfram Sang <wsa@...nel.org>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        "linux-rtc@...r.kernel.org" <linux-rtc@...r.kernel.org>,
        "linux-iio@...r.kernel.org" <linux-iio@...r.kernel.org>,
        "linux-i2c@...r.kernel.org" <linux-i2c@...r.kernel.org>,
        "linux-renesas-soc@...r.kernel.org" 
        <linux-renesas-soc@...r.kernel.org>
Subject: Re: [PATCH v7 0/4] Extend device_get_match_data() to struct bus_type

On Fri, Aug 11, 2023 at 01:27:36PM +0000, Biju Das wrote:
> > On Thu, Aug 10, 2023 at 09:05:10AM +0000, Biju Das wrote:

...

> > I'm good with this approach, but make sure you checked the whole kernel
> > source tree for a such.
> 
> Checking against 16 is too short I guess??
> 
> drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h has 18 enums.

So, what does prevent us from moving that tables to use pointers?

> /*device enum */
> enum inv_devices {
> 	INV_MPU6050,
> 	INV_MPU6500,
> 	INV_MPU6515,
> 	INV_MPU6880,
> 	INV_MPU6000,
> 	INV_MPU9150,
> 	INV_MPU9250,
> 	INV_MPU9255,
> 	INV_ICM20608,
> 	INV_ICM20608D,
> 	INV_ICM20609,
> 	INV_ICM20689,
> 	INV_ICM20600,
> 	INV_ICM20602,
> 	INV_ICM20690,
> 	INV_IAM20680,
> 	INV_NUM_PARTS
> };
> 
> The new helper function

You mean for debugging? We don't need that in production.

I think what you need is a coccinelle script to find these.

-- 
With Best Regards,
Andy Shevchenko