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Date:   Thu, 20 Jan 2022 23:33:05 +0800
From:   kernel test robot <lkp@intel.com>
To:     Jan Dabros <jsd@semihalf.com>, linux-kernel@vger.kernel.org,
        linux-i2c@vger.kernel.org, jarkko.nikula@linux.intel.com
Cc:     kbuild-all@lists.01.org, andriy.shevchenko@linux.intel.com,
        mika.westerberg@linux.intel.com, hdegoede@redhat.com,
        wsa@kernel.org, rrangel@chromium.org, mw@semihalf.com,
        jaz@semihalf.com
Subject: Re: [PATCH 2/2] i2c: designware: Add AMD PSP I2C bus support
Message-ID: <202201202353.tVXCQlqh-lkp@intel.com>
References: <20220120001621.705352-3-jsd@semihalf.com>
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In-Reply-To: <20220120001621.705352-3-jsd@semihalf.com>
User-Agent: Mutt/1.10.1 (2018-07-13)
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Hi Jan,

I love your patch! Yet something to improve:

[auto build test ERROR on wsa/i2c/for-next]
[also build test ERROR on linux/master rafael-pm/linux-next linus/master v5.16 next-20220120]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Jan-Dabros/i2c-designware-Add-support-for-AMD-PSP-semaphore/20220120-081854
base:   https://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux.git i2c/for-next
config: i386-allyesconfig (https://download.01.org/0day-ci/archive/20220120/202201202353.tVXCQlqh-lkp@intel.com/config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # https://github.com/0day-ci/linux/commit/f21a75f68baddffd9c50ffdc95d419ad7dbe3f68
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Jan-Dabros/i2c-designware-Add-support-for-AMD-PSP-semaphore/20220120-081854
        git checkout f21a75f68baddffd9c50ffdc95d419ad7dbe3f68
        # save the config file to linux build tree
        mkdir build_dir
        make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash

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

All errors (new ones prefixed by >>):

   drivers/i2c/busses/i2c-designware-amdpsp.c: In function 'psp_send_cmd':
>> drivers/i2c/busses/i2c-designware-amdpsp.c:130:2: error: implicit declaration of function 'writeq'; did you mean 'writel'? [-Werror=implicit-function-declaration]
     130 |  writeq((uintptr_t)__psp_pa((void *)req), &mbox->i2c_req_addr);
         |  ^~~~~~
         |  writel
   cc1: some warnings being treated as errors


vim +130 drivers/i2c/busses/i2c-designware-amdpsp.c

   117	
   118	static int psp_send_cmd(struct psp_i2c_req *req)
   119	{
   120		struct psp_mbox *mbox = (struct psp_mbox *)mbox_iomem;
   121		union psp_mbox_cmd_reg cmd_reg = {0};
   122	
   123		if (psp_check_mbox_recovery(mbox))
   124			return -EIO;
   125	
   126		if (psp_wait_cmd(mbox))
   127			return -EBUSY;
   128	
   129		/* Fill address of command-response buffer */
 > 130		writeq((uintptr_t)__psp_pa((void *)req), &mbox->i2c_req_addr);
   131	
   132		/* Write command register to trigger processing */
   133		cmd_reg.fields.mbox_cmd = PSP_I2C_REQ_BUS_CMD;
   134		writel(cmd_reg.val, &mbox->fields.val);
   135	
   136		if (psp_wait_cmd(mbox))
   137			return -ETIMEDOUT;
   138	
   139		if (psp_check_mbox_sts(mbox))
   140			return -EIO;
   141	
   142		return 0;
   143	}
   144	

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