linux-kernel - Re: [PATCH v2] ipmi:si: Move SI type information into an info structure

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Message-ID: <aAEkdwD888tW2OUY@smile.fi.intel.com>
Date: Thu, 17 Apr 2025 18:55:35 +0300
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: Corey Minyard <corey@...yard.net>
Cc: Linux Kernel <linux-kernel@...r.kernel.org>,
	OpenIPMI Developers <openipmi-developer@...ts.sourceforge.net>
Subject: Re: [PATCH v2] ipmi:si: Move SI type information into an info
 structure

On Wed, Apr 16, 2025 at 01:36:15PM -0500, Corey Minyard wrote:
> Andy reported:
> 
> Debian clang version 19.1.7 is not happy when compiled with
> `make W=1` (note, CONFIG_WERROR=y is the default):
> 
> ipmi_si_platform.c:268:15: error: cast to smaller integer type 'enum si_type'
> +from 'const void *' [-Werror,-Wvoid-pointer-to-enum-cast]
>   268 |         io.si_type      = (enum
> +si_type)device_get_match_data(&pdev->dev);
> 
> The IPMI SI type is an enum that was cast into a pointer that was
> then cast into an enum again.  That's not the greatest style, so
> instead create an info structure to hold the data and use that.

Tested-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>

-- 
With Best Regards,
Andy Shevchenko