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Message-ID: <202509070456.CKA8CXUt-lkp@intel.com>
Date: Sun, 7 Sep 2025 05:15:57 +0800
From: kernel test robot <lkp@...el.com>
To: Chen-Yu Tsai <wens@...nel.org>, Andrew Lunn <andrew+netdev@...n.ch>,
"David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk@...nel.org>,
Conor Dooley <conor+dt@...nel.org>, Chen-Yu Tsai <wens@...e.org>,
Jernej Skrabec <jernej@...nel.org>,
Samuel Holland <samuel@...lland.org>
Cc: oe-kbuild-all@...ts.linux.dev, netdev@...r.kernel.org,
devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-sunxi@...ts.linux.dev, linux-kernel@...r.kernel.org,
Andre Przywara <andre.przywara@....com>
Subject: Re: [PATCH net-next v3 02/10] net: stmmac: Add support for Allwinner
A523 GMAC200
Hi Chen-Yu,
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/Chen-Yu-Tsai/dt-bindings-net-sun8i-emac-Add-A523-GMAC200-compatible/20250906-121610
base: net-next/main
patch link: https://lore.kernel.org/r/20250906041333.642483-3-wens%40kernel.org
patch subject: [PATCH net-next v3 02/10] net: stmmac: Add support for Allwinner A523 GMAC200
config: m68k-allyesconfig (https://download.01.org/0day-ci/archive/20250907/202509070456.CKA8CXUt-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/20250907/202509070456.CKA8CXUt-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/202509070456.CKA8CXUt-lkp@intel.com/
All warnings (new ones prefixed by >>):
drivers/net/ethernet/stmicro/stmmac/dwmac-sun55i.c: In function 'sun55i_gmac200_set_syscon':
>> drivers/net/ethernet/stmicro/stmmac/dwmac-sun55i.c:60:89: warning: format '%d' expects argument of type 'int', but argument 5 has type 'long unsigned int' [-Wformat=]
60 | "TX clock delay exceeds maximum (%d00ps > %d00ps)\n",
| ~^
| |
| int
| %ld
drivers/net/ethernet/stmicro/stmmac/dwmac-sun55i.c:74:89: warning: format '%d' expects argument of type 'int', but argument 5 has type 'long unsigned int' [-Wformat=]
74 | "RX clock delay exceeds maximum (%d00ps > %d00ps)\n",
| ~^
| |
| int
| %ld
vim +60 drivers/net/ethernet/stmicro/stmmac/dwmac-sun55i.c
39
40 static int sun55i_gmac200_set_syscon(struct device *dev,
41 struct plat_stmmacenet_data *plat)
42 {
43 struct device_node *node = dev->of_node;
44 struct regmap *regmap;
45 u32 val, reg = 0;
46 int ret;
47
48 regmap = syscon_regmap_lookup_by_phandle(node, "syscon");
49 if (IS_ERR(regmap))
50 return dev_err_probe(dev, PTR_ERR(regmap), "Unable to map syscon\n");
51
52 if (!of_property_read_u32(node, "tx-internal-delay-ps", &val)) {
53 if (val % 100)
54 return dev_err_probe(dev, -EINVAL,
55 "tx-delay must be a multiple of 100ps\n");
56 val /= 100;
57 dev_dbg(dev, "set tx-delay to %x\n", val);
58 if (!FIELD_FIT(SYSCON_ETXDC_MASK, val))
59 return dev_err_probe(dev, -EINVAL,
> 60 "TX clock delay exceeds maximum (%d00ps > %d00ps)\n",
61 val, FIELD_MAX(SYSCON_ETXDC_MASK));
62
63 reg |= FIELD_PREP(SYSCON_ETXDC_MASK, val);
64 }
65
66 if (!of_property_read_u32(node, "rx-internal-delay-ps", &val)) {
67 if (val % 100)
68 return dev_err_probe(dev, -EINVAL,
69 "rx-delay must be a multiple of 100ps\n");
70 val /= 100;
71 dev_dbg(dev, "set rx-delay to %x\n", val);
72 if (!FIELD_FIT(SYSCON_ERXDC_MASK, val))
73 return dev_err_probe(dev, -EINVAL,
74 "RX clock delay exceeds maximum (%d00ps > %d00ps)\n",
75 val, FIELD_MAX(SYSCON_ERXDC_MASK));
76
77 reg |= FIELD_PREP(SYSCON_ERXDC_MASK, val);
78 }
79
80 switch (plat->mac_interface) {
81 case PHY_INTERFACE_MODE_MII:
82 /* default */
83 break;
84 case PHY_INTERFACE_MODE_RGMII:
85 case PHY_INTERFACE_MODE_RGMII_ID:
86 case PHY_INTERFACE_MODE_RGMII_RXID:
87 case PHY_INTERFACE_MODE_RGMII_TXID:
88 reg |= SYSCON_EPIT | SYSCON_ETCS_INT_GMII;
89 break;
90 case PHY_INTERFACE_MODE_RMII:
91 reg |= SYSCON_RMII_EN;
92 break;
93 default:
94 return dev_err_probe(dev, -EINVAL, "Unsupported interface mode: %s",
95 phy_modes(plat->mac_interface));
96 }
97
98 ret = regmap_write(regmap, SYSCON_REG, reg);
99 if (ret < 0)
100 return dev_err_probe(dev, ret, "Failed to write to syscon\n");
101
102 return 0;
103 }
104
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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