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Date:   Sat, 5 Oct 2019 13:00:43 +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,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Russell King <linux@...linux.org.uk>
Subject: Re: [PATCH 1/3] net: phylink: 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/phylink.c: In function 'phylink_parse_fixedlink':
>> drivers/net/phy/phylink.c:171:11: error: implicit declaration of function 'fwnode_gpiod_get_index'; did you mean 'devm_gpiod_get_index'? [-Werror=implicit-function-declaration]
       desc = fwnode_gpiod_get_index(fixed_node, "link", 0,
              ^~~~~~~~~~~~~~~~~~~~~~
              devm_gpiod_get_index
>> drivers/net/phy/phylink.c:171:9: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
       desc = fwnode_gpiod_get_index(fixed_node, "link", 0,
            ^
   cc1: some warnings being treated as errors

vim +171 drivers/net/phy/phylink.c

   143	
   144	static int phylink_parse_fixedlink(struct phylink *pl,
   145					   struct fwnode_handle *fwnode)
   146	{
   147		struct fwnode_handle *fixed_node;
   148		const struct phy_setting *s;
   149		struct gpio_desc *desc;
   150		u32 speed;
   151		int ret;
   152	
   153		fixed_node = fwnode_get_named_child_node(fwnode, "fixed-link");
   154		if (fixed_node) {
   155			ret = fwnode_property_read_u32(fixed_node, "speed", &speed);
   156	
   157			pl->link_config.speed = speed;
   158			pl->link_config.duplex = DUPLEX_HALF;
   159	
   160			if (fwnode_property_read_bool(fixed_node, "full-duplex"))
   161				pl->link_config.duplex = DUPLEX_FULL;
   162	
   163			/* We treat the "pause" and "asym-pause" terminology as
   164			 * defining the link partner's ability. */
   165			if (fwnode_property_read_bool(fixed_node, "pause"))
   166				pl->link_config.pause |= MLO_PAUSE_SYM;
   167			if (fwnode_property_read_bool(fixed_node, "asym-pause"))
   168				pl->link_config.pause |= MLO_PAUSE_ASYM;
   169	
   170			if (ret == 0) {
 > 171				desc = fwnode_gpiod_get_index(fixed_node, "link", 0,
   172							      GPIOD_IN, "?");
   173	
   174				if (!IS_ERR(desc))
   175					pl->link_gpio = desc;
   176				else if (desc == ERR_PTR(-EPROBE_DEFER))
   177					ret = -EPROBE_DEFER;
   178			}
   179			fwnode_handle_put(fixed_node);
   180	
   181			if (ret)
   182				return ret;
   183		} else {
   184			u32 prop[5];
   185	
   186			ret = fwnode_property_read_u32_array(fwnode, "fixed-link",
   187							     NULL, 0);
   188			if (ret != ARRAY_SIZE(prop)) {
   189				phylink_err(pl, "broken fixed-link?\n");
   190				return -EINVAL;
   191			}
   192	
   193			ret = fwnode_property_read_u32_array(fwnode, "fixed-link",
   194							     prop, ARRAY_SIZE(prop));
   195			if (!ret) {
   196				pl->link_config.duplex = prop[1] ?
   197							DUPLEX_FULL : DUPLEX_HALF;
   198				pl->link_config.speed = prop[2];
   199				if (prop[3])
   200					pl->link_config.pause |= MLO_PAUSE_SYM;
   201				if (prop[4])
   202					pl->link_config.pause |= MLO_PAUSE_ASYM;
   203			}
   204		}
   205	
   206		if (pl->link_config.speed > SPEED_1000 &&
   207		    pl->link_config.duplex != DUPLEX_FULL)
   208			phylink_warn(pl, "fixed link specifies half duplex for %dMbps link?\n",
   209				     pl->link_config.speed);
   210	
   211		bitmap_fill(pl->supported, __ETHTOOL_LINK_MODE_MASK_NBITS);
   212		linkmode_copy(pl->link_config.advertising, pl->supported);
   213		phylink_validate(pl, pl->supported, &pl->link_config);
   214	
   215		s = phy_lookup_setting(pl->link_config.speed, pl->link_config.duplex,
   216				       pl->supported, true);
   217		linkmode_zero(pl->supported);
   218		phylink_set(pl->supported, MII);
   219		phylink_set(pl->supported, Pause);
   220		phylink_set(pl->supported, Asym_Pause);
   221		if (s) {
   222			__set_bit(s->bit, pl->supported);
   223		} else {
   224			phylink_warn(pl, "fixed link %s duplex %dMbps not recognised\n",
   225				     pl->link_config.duplex == DUPLEX_FULL ? "full" : "half",
   226				     pl->link_config.speed);
   227		}
   228	
   229		linkmode_and(pl->link_config.advertising, pl->link_config.advertising,
   230			     pl->supported);
   231	
   232		pl->link_config.link = 1;
   233		pl->link_config.an_complete = 1;
   234	
   235		return 0;
   236	}
   237	

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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