linux-kernel - Re: [PATCH net] iwlwifi: add dependency of THERMAL with IWLMVM

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Message-ID: <d135b9ba7900c28b3d11560666a4790e015490a2.camel@intel.com>
Date:   Wed, 18 Sep 2019 16:17:02 +0300
From:   Luciano Coelho <luciano.coelho@...el.com>
To:     Kalle Valo <kvalo@...eaurora.org>, Mao Wenan <maowenan@...wei.com>
Cc:     johannes.berg@...el.com, emmanuel.grumbach@...el.com,
        linuxwifi@...el.com, davem@...emloft.net,
        linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: Re: [PATCH net] iwlwifi: add dependency of THERMAL with IWLMVM

On Wed, 2019-09-18 at 16:08 +0300, Kalle Valo wrote:
> Mao Wenan <maowenan@...wei.com> writes:
> 
> > If CONFIG_IWLMVM=y, CONFIG_THERMAL=n, below error can be found:
> > drivers/net/wireless/intel/iwlwifi/mvm/fw.o: In function `iwl_mvm_up':
> > fw.c:(.text+0x2c26): undefined reference to `iwl_mvm_send_temp_report_ths_cmd'
> > make: *** [vmlinux] Error 1
> > 
> > After commit 242d9c8b9a93 ("iwlwifi: mvm: use FW thermal
> > monitoring regardless of CONFIG_THERMAL"), iwl_mvm_up()
> > calls iwl_mvm_send_temp_report_ths_cmd(), but this function
> > is under CONFIG_THERMAL, which is depended on CONFIG_THERMAL.
> > 
> > Fixes: 242d9c8b9a93 ("iwlwifi: mvm: use FW thermal monitoring regardless of CONFIG_THERMAL")
> > Signed-off-by: Mao Wenan <maowenan@...wei.com>
> 
> Luca, should I apply this directly to wireless-drivers?

No, this patch defeats the point of the patch it fixes.

We have a proper fix already internally, which I haven't sent out yet,
that moves a couple of #ifdef's around to solve the issue.  I'll send
the patch in a sec.

--
Cheers,
Luca.