[PATCH 3/3] phy: starfive: jh7110-usb: Fix link configuration to controller

Dan Carpenter dan.carpenter at linaro.org
Sun Aug 11 06:36:49 PDT 2024


Hi Jan,

kernel test robot noticed the following build warnings:

https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Jan-Kiszka/dt-bindings-phy-jh7110-usb-phy-Add-sys-syscon-property/20240802-101748
base:   https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next
patch link:    https://lore.kernel.org/r/cd7b125c8c797f9d63440944df7121f9db0a49ad.1722457123.git.jan.kiszka%40siemens.com
patch subject: [PATCH 3/3] phy: starfive: jh7110-usb: Fix link configuration to controller
config: microblaze-randconfig-r072-20240810 (https://download.01.org/0day-ci/archive/20240811/202408110917.hE9xidPH-lkp@intel.com/config)
compiler: microblaze-linux-gcc (GCC) 14.1.0

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 at intel.com>
| Reported-by: Dan Carpenter <dan.carpenter at linaro.org>
| Closes: https://lore.kernel.org/r/202408110917.hE9xidPH-lkp@intel.com/

smatch warnings:
drivers/phy/starfive/phy-jh7110-usb.c:148 jh7110_usb_phy_probe() warn: passing zero to 'PTR_ERR'

vim +/PTR_ERR +148 drivers/phy/starfive/phy-jh7110-usb.c

16d3a71c20cf2e Minda Chen 2023-06-29  109  static int jh7110_usb_phy_probe(struct platform_device *pdev)
16d3a71c20cf2e Minda Chen 2023-06-29  110  {
16d3a71c20cf2e Minda Chen 2023-06-29  111  	struct jh7110_usb2_phy *phy;
16d3a71c20cf2e Minda Chen 2023-06-29  112  	struct device *dev = &pdev->dev;
16d3a71c20cf2e Minda Chen 2023-06-29  113  	struct phy_provider *phy_provider;
0ed73d833230fd Jan Kiszka 2024-07-31  114  	u32 args[1];
16d3a71c20cf2e Minda Chen 2023-06-29  115  
16d3a71c20cf2e Minda Chen 2023-06-29  116  	phy = devm_kzalloc(dev, sizeof(*phy), GFP_KERNEL);
16d3a71c20cf2e Minda Chen 2023-06-29  117  	if (!phy)
16d3a71c20cf2e Minda Chen 2023-06-29  118  		return -ENOMEM;
16d3a71c20cf2e Minda Chen 2023-06-29  119  
16d3a71c20cf2e Minda Chen 2023-06-29  120  	phy->usb_125m_clk = devm_clk_get(dev, "125m");
16d3a71c20cf2e Minda Chen 2023-06-29  121  	if (IS_ERR(phy->usb_125m_clk))
16d3a71c20cf2e Minda Chen 2023-06-29  122  		return dev_err_probe(dev, PTR_ERR(phy->usb_125m_clk),
16d3a71c20cf2e Minda Chen 2023-06-29  123  			"Failed to get 125m clock\n");
16d3a71c20cf2e Minda Chen 2023-06-29  124  
16d3a71c20cf2e Minda Chen 2023-06-29  125  	phy->app_125m = devm_clk_get(dev, "app_125m");
16d3a71c20cf2e Minda Chen 2023-06-29  126  	if (IS_ERR(phy->app_125m))
16d3a71c20cf2e Minda Chen 2023-06-29  127  		return dev_err_probe(dev, PTR_ERR(phy->app_125m),
16d3a71c20cf2e Minda Chen 2023-06-29  128  			"Failed to get app 125m clock\n");
16d3a71c20cf2e Minda Chen 2023-06-29  129  
16d3a71c20cf2e Minda Chen 2023-06-29  130  	phy->regs = devm_platform_ioremap_resource(pdev, 0);
16d3a71c20cf2e Minda Chen 2023-06-29  131  	if (IS_ERR(phy->regs))
16d3a71c20cf2e Minda Chen 2023-06-29  132  		return dev_err_probe(dev, PTR_ERR(phy->regs),
16d3a71c20cf2e Minda Chen 2023-06-29  133  			"Failed to map phy base\n");
16d3a71c20cf2e Minda Chen 2023-06-29  134  
16d3a71c20cf2e Minda Chen 2023-06-29  135  	phy->phy = devm_phy_create(dev, NULL, &jh7110_usb2_phy_ops);
16d3a71c20cf2e Minda Chen 2023-06-29  136  	if (IS_ERR(phy->phy))
16d3a71c20cf2e Minda Chen 2023-06-29  137  		return dev_err_probe(dev, PTR_ERR(phy->phy),
16d3a71c20cf2e Minda Chen 2023-06-29  138  			"Failed to create phy\n");
16d3a71c20cf2e Minda Chen 2023-06-29  139  
16d3a71c20cf2e Minda Chen 2023-06-29  140  	phy_set_drvdata(phy->phy, phy);
16d3a71c20cf2e Minda Chen 2023-06-29  141  	phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate);
16d3a71c20cf2e Minda Chen 2023-06-29  142  
0ed73d833230fd Jan Kiszka 2024-07-31  143  	phy->sys_syscon =
0ed73d833230fd Jan Kiszka 2024-07-31  144  		syscon_regmap_lookup_by_phandle_args(pdev->dev.of_node,
0ed73d833230fd Jan Kiszka 2024-07-31  145  						     "starfive,sys-syscon",
0ed73d833230fd Jan Kiszka 2024-07-31  146  						     1, args);
0ed73d833230fd Jan Kiszka 2024-07-31  147  	if (IS_ERR(phy->sys_syscon))
0ed73d833230fd Jan Kiszka 2024-07-31 @148  		return dev_err_probe(dev, PTR_ERR(phy->phy),

Passing the wrong variable.  It should be phy->sys_syscon instead of phy->phy.

0ed73d833230fd Jan Kiszka 2024-07-31  149  			"Failed to get sys-syscon\n");
0ed73d833230fd Jan Kiszka 2024-07-31  150  	phy->sys_phy_connect = args[0];
0ed73d833230fd Jan Kiszka 2024-07-31  151  
16d3a71c20cf2e Minda Chen 2023-06-29  152  	return PTR_ERR_OR_ZERO(phy_provider);
16d3a71c20cf2e Minda Chen 2023-06-29  153  }

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki




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