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Date: Thu, 14 Mar 2024 08:39:19 -0700
From: Guenter Roeck <linux@...ck-us.net>
To: Christophe Leroy <christophe.leroy@...roup.eu>,
 Herve Codina <herve.codina@...tlin.com>
Cc: "David S. Miller" <davem@...emloft.net>,
 Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>,
 Paolo Abeni <pabeni@...hat.com>, Andrew Lunn <andrew@...n.ch>,
 Rob Herring <robh+dt@...nel.org>,
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
 Conor Dooley <conor+dt@...nel.org>, Lee Jones <lee@...nel.org>,
 Linus Walleij <linus.walleij@...aro.org>, Qiang Zhao <qiang.zhao@....com>,
 Li Yang <leoyang.li@....com>, Liam Girdwood <lgirdwood@...il.com>,
 Mark Brown <broonie@...nel.org>, Jaroslav Kysela <perex@...ex.cz>,
 Takashi Iwai <tiwai@...e.com>, Shengjiu Wang <shengjiu.wang@...il.com>,
 Xiubo Li <Xiubo.Lee@...il.com>, Fabio Estevam <festevam@...il.com>,
 Nicolin Chen <nicoleotsuka@...il.com>, Randy Dunlap <rdunlap@...radead.org>,
 "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
 "linuxppc-dev@...ts.ozlabs.org" <linuxppc-dev@...ts.ozlabs.org>,
 "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
 "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
 "linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
 "linux-arm-kernel@...ts.infradead.org"
 <linux-arm-kernel@...ts.infradead.org>,
 "alsa-devel@...a-project.org" <alsa-devel@...a-project.org>,
 Simon Horman <horms@...nel.org>,
 Christophe JAILLET <christophe.jaillet@...adoo.fr>,
 Thomas Petazzoni <thomas.petazzoni@...tlin.com>
Subject: Re: [PATCH v9 07/27] net: wan: Add support for QMC HDLC

On 3/14/24 08:31, Christophe Leroy wrote:
> 
> 
> Le 14/03/2024 à 16:21, Guenter Roeck a écrit :
>> On Wed, Nov 15, 2023 at 03:39:43PM +0100, Herve Codina wrote:
>>> The QMC HDLC driver provides support for HDLC using the QMC (QUICC
>>> Multichannel Controller) to transfer the HDLC data.
>>>
>>> Signed-off-by: Herve Codina <herve.codina@...tlin.com>
>>> Reviewed-by: Christophe Leroy <christophe.leroy@...roup.eu>
>>> Acked-by: Jakub Kicinski <kuba@...nel.org>
>>> ---
>> [ ... ]
>>
>>> +
>>> +static const struct of_device_id qmc_hdlc_id_table[] = {
>>> +	{ .compatible = "fsl,qmc-hdlc" },
>>> +	{} /* sentinel */
>>> +};
>>> +MODULE_DEVICE_TABLE(of, qmc_hdlc_driver);
>>
>> I am a bit puzzled. How does this even compile ?
> 
> Because
> 
> #else  /* !MODULE */
> #define MODULE_DEVICE_TABLE(type, name)
> #endif
> 

Ah, makes sense. We live and learn.

> 
> We should probably try to catch those errors when CONFIG_MODULE is not set.
> 
> By the way, a fix is available at
> https://patchwork.ozlabs.org/project/linuxppc-dev/patch/20240314123346.461350-1-herve.codina@bootlin.com/
> 

Great, I'll add that to my testing branch for the time being.

Thanks!
Guenter


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