netdev - Re: [PATCH 3/3] net: mdio: rename mdio_device reset to reset

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Message-ID: <201904161039.uADClqJy%lkp@intel.com>
Date:   Tue, 16 Apr 2019 10:29:48 +0800
From:   kbuild test robot <lkp@...el.com>
To:     David Bauer <mail@...id-bauer.net>
Cc:     kbuild-all@...org, devicetree@...r.kernel.org,
        netdev@...r.kernel.org
Subject: Re: [PATCH 3/3] net: mdio: rename mdio_device reset to reset_gpio

Hi David,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on net/master]
[also build test WARNING on v5.1-rc5 next-20190415]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/David-Bauer/dt-bindings-net-add-PHY-reset-controller-binding/20190416-061343
config: i386-randconfig-x006-201915 (attached as .config)
compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All warnings (new ones prefixed by >>):

   In file included from include/linux/phy.h:19:0,
                    from drivers/net/phy/at803x.c:10:
   drivers/net/phy/at803x.c: In function 'at803x_link_change_notify':
   drivers/net/phy/at803x.c:337:19: error: 'struct mdio_device' has no member named 'reset'
      if (phydev->mdio.reset && !priv->phy_reset) {
                      ^
   include/linux/compiler.h:58:30: note: in definition of macro '__trace_if'
     if (__builtin_constant_p(!!(cond)) ? !!(cond) :   \
                                 ^~~~
>> drivers/net/phy/at803x.c:337:3: note: in expansion of macro 'if'
      if (phydev->mdio.reset && !priv->phy_reset) {
      ^~
   drivers/net/phy/at803x.c:337:19: error: 'struct mdio_device' has no member named 'reset'
      if (phydev->mdio.reset && !priv->phy_reset) {
                      ^
   include/linux/compiler.h:58:42: note: in definition of macro '__trace_if'
     if (__builtin_constant_p(!!(cond)) ? !!(cond) :   \
                                             ^~~~
>> drivers/net/phy/at803x.c:337:3: note: in expansion of macro 'if'
      if (phydev->mdio.reset && !priv->phy_reset) {
      ^~
   drivers/net/phy/at803x.c:337:19: error: 'struct mdio_device' has no member named 'reset'
      if (phydev->mdio.reset && !priv->phy_reset) {
                      ^
   include/linux/compiler.h:69:16: note: in definition of macro '__trace_if'
      ______r = !!(cond);     \
                   ^~~~
>> drivers/net/phy/at803x.c:337:3: note: in expansion of macro 'if'
      if (phydev->mdio.reset && !priv->phy_reset) {
      ^~

vim +/if +337 drivers/net/phy/at803x.c

77a993942 Zhao Qiang      2014-03-28  324  
13a56b449 Daniel Mack     2014-06-18  325  static void at803x_link_change_notify(struct phy_device *phydev)
13a56b449 Daniel Mack     2014-06-18  326  {
13a56b449 Daniel Mack     2014-06-18  327  	struct at803x_priv *priv = phydev->priv;
13a56b449 Daniel Mack     2014-06-18  328  
13a56b449 Daniel Mack     2014-06-18  329  	/*
13a56b449 Daniel Mack     2014-06-18  330  	 * Conduct a hardware reset for AT8030 every time a link loss is
13a56b449 Daniel Mack     2014-06-18  331  	 * signalled. This is necessary to circumvent a hardware bug that
13a56b449 Daniel Mack     2014-06-18  332  	 * occurs when the cable is unplugged while TX packets are pending
13a56b449 Daniel Mack     2014-06-18  333  	 * in the FIFO. In such cases, the FIFO enters an error mode it
13a56b449 Daniel Mack     2014-06-18  334  	 * cannot recover from by software.
13a56b449 Daniel Mack     2014-06-18  335  	 */
13a56b449 Daniel Mack     2014-06-18  336  	if (phydev->state == PHY_NOLINK) {
bafbdd527 Sergei Shtylyov 2017-12-04 @337  		if (phydev->mdio.reset && !priv->phy_reset) {
13a56b449 Daniel Mack     2014-06-18  338  			struct at803x_context context;
13a56b449 Daniel Mack     2014-06-18  339  
13a56b449 Daniel Mack     2014-06-18  340  			at803x_context_save(phydev, &context);
13a56b449 Daniel Mack     2014-06-18  341  
bafbdd527 Sergei Shtylyov 2017-12-04  342  			phy_device_reset(phydev, 1);
13a56b449 Daniel Mack     2014-06-18  343  			msleep(1);
bafbdd527 Sergei Shtylyov 2017-12-04  344  			phy_device_reset(phydev, 0);
d57019d18 Sergei Shtylyov 2016-03-23  345  			msleep(1);
13a56b449 Daniel Mack     2014-06-18  346  
13a56b449 Daniel Mack     2014-06-18  347  			at803x_context_restore(phydev, &context);
13a56b449 Daniel Mack     2014-06-18  348  
72ba48be3 Andrew Lunn     2016-01-06  349  			phydev_dbg(phydev, "%s(): phy was reset\n",
13a56b449 Daniel Mack     2014-06-18  350  				   __func__);
13a56b449 Daniel Mack     2014-06-18  351  			priv->phy_reset = true;
13a56b449 Daniel Mack     2014-06-18  352  		}
13a56b449 Daniel Mack     2014-06-18  353  	} else {
13a56b449 Daniel Mack     2014-06-18  354  		priv->phy_reset = false;
13a56b449 Daniel Mack     2014-06-18  355  	}
13a56b449 Daniel Mack     2014-06-18  356  }
13a56b449 Daniel Mack     2014-06-18  357  

:::::: The code at line 337 was first introduced by commit
:::::: bafbdd527d569c8200521f2f7579f65a044271be phylib: Add device reset GPIO support

:::::: TO: Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
:::::: CC: David S. Miller <davem@...emloft.net>

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