linux-kernel - Re: [PATCH v1 1/1] iio: imu: kmx61: Drop most likely fake ACPI ID

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <2b847413-f8ee-436c-a635-f5a36253e953@redhat.com>
Date: Thu, 12 Sep 2024 15:52:34 +0200
From: Hans de Goede <hdegoede@...hat.com>
To: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
 linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org
Cc: Jonathan Cameron <jic23@...nel.org>, Lars-Peter Clausen
 <lars@...afoo.de>, Ilpo Järvinen
 <ilpo.jarvinen@...ux.intel.com>
Subject: Re: [PATCH v1 1/1] iio: imu: kmx61: Drop most likely fake ACPI ID

Hi,

On 9/11/24 11:31 PM, Andy Shevchenko wrote:
> The commit in question does not proove that ACPI ID exists.
> Quite likely it was a cargo cult addition while doint that
> for DT-based enumeration.  Drop most likely fake ACPI ID.
> 
> Googling for KMX61021L gives no useful results in regard to DSDT.
> Moreover, the official vendor ID in the registry for Kionix is KIOX.
> 
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>

Thanks, patch looks good to me:

Reviewed-by: Hans de Goede <hdegoede@...hat.com>

Regards,

Hans



> ---
>  drivers/iio/imu/kmx61.c | 25 +++----------------------
>  1 file changed, 3 insertions(+), 22 deletions(-)
> 
> diff --git a/drivers/iio/imu/kmx61.c b/drivers/iio/imu/kmx61.c
> index c61c012e25bb..2af772775b68 100644
> --- a/drivers/iio/imu/kmx61.c
> +++ b/drivers/iio/imu/kmx61.c
> @@ -7,12 +7,13 @@
>   * IIO driver for KMX61 (7-bit I2C slave address 0x0E or 0x0F).
>   */
>  
> -#include <linux/module.h>
>  #include <linux/i2c.h>
> -#include <linux/acpi.h>
>  #include <linux/interrupt.h>
> +#include <linux/mod_devicetable.h>
> +#include <linux/module.h>
>  #include <linux/pm.h>
>  #include <linux/pm_runtime.h>
> +
>  #include <linux/iio/iio.h>
>  #include <linux/iio/sysfs.h>
>  #include <linux/iio/events.h>
> @@ -1217,16 +1218,6 @@ static irqreturn_t kmx61_trigger_handler(int irq, void *p)
>  	return IRQ_HANDLED;
>  }
>  
> -static const char *kmx61_match_acpi_device(struct device *dev)
> -{
> -	const struct acpi_device_id *id;
> -
> -	id = acpi_match_device(dev->driver->acpi_match_table, dev);
> -	if (!id)
> -		return NULL;
> -	return dev_name(dev);
> -}
> -
>  static struct iio_dev *kmx61_indiodev_setup(struct kmx61_data *data,
>  					    const struct iio_info *info,
>  					    const struct iio_chan_spec *chan,
> @@ -1293,8 +1284,6 @@ static int kmx61_probe(struct i2c_client *client)
>  
>  	if (id)
>  		name = id->name;
> -	else if (ACPI_HANDLE(&client->dev))
> -		name = kmx61_match_acpi_device(&client->dev);
>  	else
>  		return -ENODEV;
>  
> @@ -1496,13 +1485,6 @@ static const struct dev_pm_ops kmx61_pm_ops = {
>  	RUNTIME_PM_OPS(kmx61_runtime_suspend, kmx61_runtime_resume, NULL)
>  };
>  
> -static const struct acpi_device_id kmx61_acpi_match[] = {
> -	{"KMX61021", 0},
> -	{}
> -};
> -
> -MODULE_DEVICE_TABLE(acpi, kmx61_acpi_match);
> -
>  static const struct i2c_device_id kmx61_id[] = {
>  	{ "kmx611021" },
>  	{}
> @@ -1513,7 +1495,6 @@ MODULE_DEVICE_TABLE(i2c, kmx61_id);
>  static struct i2c_driver kmx61_driver = {
>  	.driver = {
>  		.name = KMX61_DRV_NAME,
> -		.acpi_match_table = kmx61_acpi_match,
>  		.pm = pm_ptr(&kmx61_pm_ops),
>  	},
>  	.probe		= kmx61_probe,