linux-kernel - Re: [PATCH net-next 14/15] net: dsa: sja1105: replace mdiobus-pcs with xpcs-plat driver

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Message-ID: <20251119120111.voyy7rmy4mk444wo@skbuf>
Date: Wed, 19 Nov 2025 14:01:11 +0200
From: Vladimir Oltean <vladimir.oltean@....com>
To: kernel test robot <lkp@...el.com>
Cc: netdev@...r.kernel.org, oe-kbuild-all@...ts.linux.dev,
	Andrew Lunn <andrew@...n.ch>,
	Heiner Kallweit <hkallweit1@...il.com>,
	Russell King <linux@...linux.org.uk>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	linux-kernel@...r.kernel.org, Serge Semin <fancer.lancer@...il.com>,
	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
	Herve Codina <herve.codina@...tlin.com>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>, devicetree@...r.kernel.org
Subject: Re: [PATCH net-next 14/15] net: dsa: sja1105: replace mdiobus-pcs
 with xpcs-plat driver

On Wed, Nov 19, 2025 at 07:19:59PM +0800, kernel test robot wrote:
> Hi Vladimir,
> 
> kernel test robot noticed the following build warnings:
> 
> [auto build test WARNING on net-next/main]
> 
> url:    https://github.com/intel-lab-lkp/linux/commits/Vladimir-Oltean/net-dsa-sja1105-let-phylink-help-with-the-replay-of-link-callbacks/20251119-031300
> base:   net-next/main
> patch link:    https://lore.kernel.org/r/20251118190530.580267-15-vladimir.oltean%40nxp.com
> patch subject: [PATCH net-next 14/15] net: dsa: sja1105: replace mdiobus-pcs with xpcs-plat driver
> config: m68k-allyesconfig (https://download.01.org/0day-ci/archive/20251119/202511191835.rwfD48SW-lkp@intel.com/config)
> compiler: m68k-linux-gcc (GCC) 15.1.0
> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251119/202511191835.rwfD48SW-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/202511191835.rwfD48SW-lkp@intel.com/
> 
> All warnings (new ones prefixed by >>):
> 
>    drivers/net/dsa/sja1105/sja1105_mfd.c: In function 'sja1105_create_pcs_nodes':
> >> drivers/net/dsa/sja1105/sja1105_mfd.c:145:73: warning: format '%llx' expects argument of type 'long long unsigned int', but argument 4 has type 'resource_size_t' {aka 'unsigned int'} [-Wformat=]
>      145 |                 snprintf(node_name, sizeof(node_name), "ethernet-pcs@...x",
>          |                                                                      ~~~^
>          |                                                                         |
>          |                                                                         long long unsigned int
>          |                                                                      %x
>      146 |                          pcs_res->res.start);
>          |                          ~~~~~~~~~~~~~~~~~~
>          |                                      |
>          |                                      resource_size_t {aka unsigned int}

I do wonder how to print resource_size_t (typedef to phys_addr_t, which
is typedeffed to u64 or u32 depending on CONFIG_PHYS_ADDR_T_64BIT).

Using %pa should be fine, like drivers/irqchip/irq-gic-v3-its.c does?