netdev - Re: [PATCH 3/3] net: phy: fixed_phy: switch to using fwnode_gpiod_get

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Message-ID: <201910051307.I310G35g%lkp@intel.com>
Date:   Sat, 5 Oct 2019 13:14:33 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc:     kbuild-all@...org, "David S . Miller" <davem@...emloft.net>,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        Heiner Kallweit <hkallweit1@...il.com>
Subject: Re: [PATCH 3/3] net: phy: fixed_phy: switch to using
 fwnode_gpiod_get_index

Hi Dmitry,

I love your patch! Yet something to improve:

[auto build test ERROR on net-next/master]
[cannot apply to v5.4-rc1 next-20191004]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url:    https://github.com/0day-ci/linux/commits/Dmitry-Torokhov/net-phy-switch-to-using-fwnode_gpiod_get_index/20191005-083613
config: sh-allmodconfig (attached as .config)
compiler: sh4-linux-gcc (GCC) 7.4.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        GCC_VERSION=7.4.0 make.cross ARCH=sh 

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@...el.com>

All error/warnings (new ones prefixed by >>):

   drivers/net/phy/fixed_phy.c: In function 'fixed_phy_get_gpiod':
>> drivers/net/phy/fixed_phy.c:213:10: error: implicit declaration of function 'fwnode_gpiod_get_index'; did you mean 'devm_gpiod_get_index'? [-Werror=implicit-function-declaration]
     gpiod = fwnode_gpiod_get_index(of_fwnode_handle(fixed_link_node),
             ^~~~~~~~~~~~~~~~~~~~~~
             devm_gpiod_get_index
>> drivers/net/phy/fixed_phy.c:213:8: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
     gpiod = fwnode_gpiod_get_index(of_fwnode_handle(fixed_link_node),
           ^
   cc1: some warnings being treated as errors

vim +213 drivers/net/phy/fixed_phy.c

   194	
   195	#ifdef CONFIG_OF_GPIO
   196	static struct gpio_desc *fixed_phy_get_gpiod(struct device_node *np)
   197	{
   198		struct device_node *fixed_link_node;
   199		struct gpio_desc *gpiod;
   200	
   201		if (!np)
   202			return NULL;
   203	
   204		fixed_link_node = of_get_child_by_name(np, "fixed-link");
   205		if (!fixed_link_node)
   206			return NULL;
   207	
   208		/*
   209		 * As the fixed link is just a device tree node without any
   210		 * Linux device associated with it, we simply have obtain
   211		 * the GPIO descriptor from the device tree like this.
   212		 */
 > 213		gpiod = fwnode_gpiod_get_index(of_fwnode_handle(fixed_link_node),
   214					       "link-gpios", 0, GPIOD_IN, "mdio");
   215		if (IS_ERR(gpiod) && PTR_ERR(gpiod) != -EPROBE_DEFER) {
   216			if (PTR_ERR(gpiod) != -ENOENT)
   217				pr_err("error getting GPIO for fixed link %pOF, proceed without\n",
   218				       fixed_link_node);
   219			gpiod = NULL;
   220		}
   221		of_node_put(fixed_link_node);
   222	
   223		return gpiod;
   224	}
   225	#else
   226	static struct gpio_desc *fixed_phy_get_gpiod(struct device_node *np)
   227	{
   228		return NULL;
   229	}
   230	#endif
   231	

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