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From: kernel test robot <lkp@intel.com>
To: kbuild@lists.01.org
Subject: Re: [net-next PATCH v5 07/15] net: mdiobus: Introduce fwnode_mdiobus_register_phy()
Date: Tue, 09 Feb 2021 16:33:23 +0800	[thread overview]
Message-ID: <202102091606.ZqQWaNlp-lkp@intel.com> (raw)

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CC: kbuild-all(a)lists.01.org
In-Reply-To: <20210208151244.16338-8-calvin.johnson@oss.nxp.com>
References: <20210208151244.16338-8-calvin.johnson@oss.nxp.com>
TO: Calvin Johnson <calvin.johnson@oss.nxp.com>

Hi Calvin,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on net-next/master]

url:    https://github.com/0day-ci/linux/commits/Calvin-Johnson/ACPI-support-for-dpaa2-driver/20210209-084334
base:   https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git 6626a0266566c5aea16178c5e6cd7fc4db3f2f56
:::::: branch date: 8 hours ago
:::::: commit date: 8 hours ago
config: i386-randconfig-m021-20210209 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>

New smatch warnings:
drivers/net/phy/mdio_bus.c:134 fwnode_mdiobus_register_phy() error: uninitialized symbol 'mii_ts'.

Old smatch warnings:
drivers/net/phy/mdio_bus.c:157 fwnode_mdiobus_register_phy() error: uninitialized symbol 'mii_ts'.
drivers/net/phy/mdio_bus.c:167 fwnode_mdiobus_register_phy() error: uninitialized symbol 'mii_ts'.
include/linux/u64_stats_sync.h:128 u64_stats_update_begin() warn: statement has no effect 31

vim +/mii_ts +134 drivers/net/phy/mdio_bus.c

7f854420fbfe9d Andrew Lunn    2016-01-06  109  
36305d64c94998 Calvin Johnson 2021-02-08  110  int fwnode_mdiobus_register_phy(struct mii_bus *bus,
36305d64c94998 Calvin Johnson 2021-02-08  111  				struct fwnode_handle *child, u32 addr)
36305d64c94998 Calvin Johnson 2021-02-08  112  {
36305d64c94998 Calvin Johnson 2021-02-08  113  	struct mii_timestamper *mii_ts;
36305d64c94998 Calvin Johnson 2021-02-08  114  	struct phy_device *phy;
36305d64c94998 Calvin Johnson 2021-02-08  115  	bool is_c45 = false;
36305d64c94998 Calvin Johnson 2021-02-08  116  	u32 phy_id;
36305d64c94998 Calvin Johnson 2021-02-08  117  	int rc;
36305d64c94998 Calvin Johnson 2021-02-08  118  
36305d64c94998 Calvin Johnson 2021-02-08  119  	if (is_of_node(child)) {
36305d64c94998 Calvin Johnson 2021-02-08  120  		mii_ts = of_find_mii_timestamper(to_of_node(child));
36305d64c94998 Calvin Johnson 2021-02-08  121  		if (IS_ERR(mii_ts))
36305d64c94998 Calvin Johnson 2021-02-08  122  			return PTR_ERR(mii_ts);
36305d64c94998 Calvin Johnson 2021-02-08  123  	}
36305d64c94998 Calvin Johnson 2021-02-08  124  
36305d64c94998 Calvin Johnson 2021-02-08  125  	rc = fwnode_property_match_string(child, "compatible", "ethernet-phy-ieee802.3-c45");
36305d64c94998 Calvin Johnson 2021-02-08  126  	if (rc >= 0)
36305d64c94998 Calvin Johnson 2021-02-08  127  		is_c45 = true;
36305d64c94998 Calvin Johnson 2021-02-08  128  
36305d64c94998 Calvin Johnson 2021-02-08  129  	if (is_c45 || fwnode_get_phy_id(child, &phy_id))
36305d64c94998 Calvin Johnson 2021-02-08  130  		phy = get_phy_device(bus, addr, is_c45);
36305d64c94998 Calvin Johnson 2021-02-08  131  	else
36305d64c94998 Calvin Johnson 2021-02-08  132  		phy = phy_device_create(bus, addr, phy_id, 0, NULL);
36305d64c94998 Calvin Johnson 2021-02-08  133  	if (IS_ERR(phy)) {
36305d64c94998 Calvin Johnson 2021-02-08 @134  		if (mii_ts && is_of_node(child))
36305d64c94998 Calvin Johnson 2021-02-08  135  			unregister_mii_timestamper(mii_ts);
36305d64c94998 Calvin Johnson 2021-02-08  136  		return PTR_ERR(phy);
36305d64c94998 Calvin Johnson 2021-02-08  137  	}
36305d64c94998 Calvin Johnson 2021-02-08  138  
36305d64c94998 Calvin Johnson 2021-02-08  139  	if (is_acpi_node(child)) {
36305d64c94998 Calvin Johnson 2021-02-08  140  		phy->irq = bus->irq[addr];
36305d64c94998 Calvin Johnson 2021-02-08  141  
36305d64c94998 Calvin Johnson 2021-02-08  142  		/* Associate the fwnode with the device structure so it
36305d64c94998 Calvin Johnson 2021-02-08  143  		 * can be looked up later.
36305d64c94998 Calvin Johnson 2021-02-08  144  		 */
36305d64c94998 Calvin Johnson 2021-02-08  145  		phy->mdio.dev.fwnode = child;
36305d64c94998 Calvin Johnson 2021-02-08  146  
36305d64c94998 Calvin Johnson 2021-02-08  147  		/* All data is now stored in the phy struct, so register it */
36305d64c94998 Calvin Johnson 2021-02-08  148  		rc = phy_device_register(phy);
36305d64c94998 Calvin Johnson 2021-02-08  149  		if (rc) {
36305d64c94998 Calvin Johnson 2021-02-08  150  			phy_device_free(phy);
36305d64c94998 Calvin Johnson 2021-02-08  151  			fwnode_handle_put(phy->mdio.dev.fwnode);
36305d64c94998 Calvin Johnson 2021-02-08  152  			return rc;
36305d64c94998 Calvin Johnson 2021-02-08  153  		}
36305d64c94998 Calvin Johnson 2021-02-08  154  	} else if (is_of_node(child)) {
36305d64c94998 Calvin Johnson 2021-02-08  155  		rc = of_mdiobus_phy_device_register(bus, phy, to_of_node(child), addr);
36305d64c94998 Calvin Johnson 2021-02-08  156  		if (rc) {
36305d64c94998 Calvin Johnson 2021-02-08  157  			if (mii_ts)
36305d64c94998 Calvin Johnson 2021-02-08  158  				unregister_mii_timestamper(mii_ts);
36305d64c94998 Calvin Johnson 2021-02-08  159  			phy_device_free(phy);
36305d64c94998 Calvin Johnson 2021-02-08  160  			return rc;
36305d64c94998 Calvin Johnson 2021-02-08  161  		}
36305d64c94998 Calvin Johnson 2021-02-08  162  
36305d64c94998 Calvin Johnson 2021-02-08  163  		/* phy->mii_ts may already be defined by the PHY driver. A
36305d64c94998 Calvin Johnson 2021-02-08  164  		 * mii_timestamper probed via the device tree will still have
36305d64c94998 Calvin Johnson 2021-02-08  165  		 * precedence.
36305d64c94998 Calvin Johnson 2021-02-08  166  		 */
36305d64c94998 Calvin Johnson 2021-02-08  167  		if (mii_ts)
36305d64c94998 Calvin Johnson 2021-02-08  168  			phy->mii_ts = mii_ts;
36305d64c94998 Calvin Johnson 2021-02-08  169  	}
36305d64c94998 Calvin Johnson 2021-02-08  170  	return 0;
36305d64c94998 Calvin Johnson 2021-02-08  171  }
36305d64c94998 Calvin Johnson 2021-02-08  172  EXPORT_SYMBOL(fwnode_mdiobus_register_phy);
36305d64c94998 Calvin Johnson 2021-02-08  173  

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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             reply	other threads:[~2021-02-09  8:33 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-09  8:33 kernel test robot [this message]
  -- strict thread matches above, loose matches on Subject: below --
2021-02-08 15:12 [net-next PATCH v5 00/15] ACPI support for dpaa2 driver Calvin Johnson
2021-02-08 15:12 ` [net-next PATCH v5 07/15] net: mdiobus: Introduce fwnode_mdiobus_register_phy() Calvin Johnson
2021-02-08 15:12   ` Calvin Johnson
2021-02-08 17:40   ` Russell King - ARM Linux admin
2021-02-08 17:40     ` Russell King - ARM Linux admin
2021-02-09 15:04     ` Calvin Johnson
2021-02-09 15:04       ` Calvin Johnson
2021-02-09  8:41   ` Dan Carpenter
2021-02-09  8:41     ` Dan Carpenter

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