linux-kernel - Re: [PATCH] i2c: do not enable fall back to Host Notify by default

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Date:   Thu, 5 Jan 2017 10:21:06 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc:     kbuild-all@...org, Wolfram Sang <wsa@...-dreams.de>,
        Benjamin Tissoires <benjamin.tissoires@...hat.com>,
        Pali Rohár <pali.rohar@...il.com>,
        Michał Kępień <kernel@...pniu.pl>,
        Jean Delvare <jdelvare@...e.com>,
        Steven Honeyman <stevenhoneyman@...il.com>,
        Valdis.Kletnieks@...edu,
        Jochen Eisinger <jochen@...guin-breeder.org>,
        Gabriele Mazzotta <gabriele.mzt@...il.com>,
        Andy Lutomirski <luto@...nel.org>, Mario_Limonciello@...l.com,
        Alex Hung <alex.hung@...onical.com>,
        Takashi Iwai <tiwai@...e.de>, linux-i2c@...r.kernel.org,
        linux-kernel@...r.kernel.org, platform-driver-x86@...r.kernel.org
Subject: Re: [PATCH] i2c: do not enable fall back to Host Notify by default

Hi Dmitry,

[auto build test ERROR on wsa/i2c/for-next]
[also build test ERROR on v4.10-rc2 next-20170104]
[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/Dmitry-Torokhov/i2c-do-not-enable-fall-back-to-Host-Notify-by-default/20170105-095405
base:   https://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux.git i2c/for-next
config: x86_64-randconfig-x011-201701 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All errors (new ones prefixed by >>):

   drivers/i2c/i2c-core.c: In function 'i2c_device_probe':
>> drivers/i2c/i2c-core.c:934:23: error: 'I2C_CLIENT_HOST_HOTIFY' undeclared (first use in this function)
      if (client->flags & I2C_CLIENT_HOST_HOTIFY) {
                          ^~~~~~~~~~~~~~~~~~~~~~
   drivers/i2c/i2c-core.c:934:23: note: each undeclared identifier is reported only once for each function it appears in

vim +/I2C_CLIENT_HOST_HOTIFY +934 drivers/i2c/i2c-core.c

   928		if (!client)
   929			return 0;
   930	
   931		if (!client->irq) {
   932			int irq = -ENOENT;
   933	
 > 934			if (client->flags & I2C_CLIENT_HOST_HOTIFY) {
   935				dev_dbg(dev, "Using Host Notify IRQ\n");
   936				irq = i2c_smbus_host_notify_to_irq(client);
   937			} else if (dev->of_node) {

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