linux-kernel - Re: Warning: drivers/char/tpm/tpm_crb.c:193 function parameter 'loc' not described in '__crb_go

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Message-ID: <e1d1ffc0-dda5-4501-8bd5-e4e7ea667f10@arm.com>
Date: Fri, 24 Oct 2025 12:43:45 -0500
From: Stuart Yoder <stuart.yoder@....com>
To: Jarkko Sakkinen <jarkko@...nel.org>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: Re: Warning: drivers/char/tpm/tpm_crb.c:193 function parameter 'loc'
 not described in '__crb_go_idle'

Hi Jarkko,

I have sent a v2 of this patch that adds the missing kernel
doc info that triggered this warning.

Thanks,
Stuart

On 10/24/25 9:17 AM, kernel test robot wrote:

On 10/24/25 9:17 AM, kernel test robot wrote:
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head:   6fab32bb6508abbb8b7b1c5498e44f0c32320ed5
> commit: dbfdaeb381a49a7bc753d18e2876bc56a15e01cc tpm_crb: Add idle support for the Arm FF-A start method
> date:   6 days ago
> config: x86_64-randconfig-2005-20250721 (https://download.01.org/0day-ci/archive/20251024/202510241542.hFrped3X-lkp@intel.com/config)
> compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251024/202510241542.hFrped3X-lkp@intel.com/reproduce)
> 
> If you fix the issue in a separate patch/commit (i.e. not just a new version of
> the same patch/commit), kindly add following tags
> | Reported-by: kernel test robot <lkp@...el.com>
> | Closes: https://lore.kernel.org/oe-kbuild-all/202510241542.hFrped3X-lkp@intel.com/
> 
> All warnings (new ones prefixed by >>):
> 
>>> Warning: drivers/char/tpm/tpm_crb.c:193 function parameter 'loc' not described in '__crb_go_idle'
>>> Warning: drivers/char/tpm/tpm_crb.c:246 function parameter 'loc' not described in '__crb_cmd_ready'
>