linux-kernel - Re: [PATCH] sonypi: Fix initialization warning

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Date:	Sun, 05 Aug 2007 21:50:43 +0200
From:	Thomas Renninger <trenn@...e.de>
To:	Richard Knutsson <ricknu-0@...dent.ltu.se>
Cc:	Ben Collins <bcollins@...ntu.com>,
	"Brown, Len" <len.brown@...el.com>, linux-acpi@...r.kernel.org,
	Stelian Pop <stelian@...ies.net>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] sonypi: Fix initialization warning

On Sun, 2007-08-05 at 21:05 +0200, Richard Knutsson wrote:
> Signed-off-by: Richard Knutsson <ricknu-0@...dent.ltu.se>
> ---
> Got this from the compiler (gcc (GCC) 4.1.2 20070626 (Red Hat 4.1.2-13)):
> drivers/char/sonypi.c:1153: warning: initialization from incompatible pointer type
> 
> 
> diff --git a/drivers/char/sonypi.c b/drivers/char/sonypi.c
> index 73037a4..2dcd519 100644
> --- a/drivers/char/sonypi.c
> +++ b/drivers/char/sonypi.c
> @@ -1147,10 +1147,15 @@ static int sonypi_acpi_remove(struct acpi_device *device, int type)
>  	return 0;
>  }
>  
> +static const struct acpi_device_id sonypi_acpi_driver_ids[] = {
> +        {ACPI_PROCESSOR_HID, 0},
This is wrong. You need to take the HID the driver should match for, in
this case: {"SNY6001", 0 },

> +        {"", 0},
> +};
> +
>  static struct acpi_driver sonypi_acpi_driver = {
>  	.name           = "sonypi",
>  	.class          = "hkey",
> -	.ids            = "SNY6001",
> +	.ids            = sonypi_acpi_driver_ids,
>  	.ops            = {
>  		           .add = sonypi_acpi_add,
>  			   .remove = sonypi_acpi_remove,

A patch from Eugene Teo fixing this is already on the list of Len's
patches.
See subject: [PATCH 04/12] sonypi: fix ids member of struct acpi_driver
posted yesterday on linux-acpi.
Anyway, thanks for the heads up,

    Thomas

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