Hi Clark,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on shawnguo/for-next]
[also build test ERROR on next-20210406]
[cannot apply to wsa/i2c/for-next robh/for-next v5.12-rc6]
[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/Clark-Wang/i2c-imx-lpi2c-New-features-and-bug-fixes/20210406-193539
base:   https://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux.git for-next
config: nios2-randconfig-r003-20210406 (attached as .config)
compiler: nios2-linux-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/0day-ci/linux/commit/5853de64dd40e1cc71f0adede924934aee4c4f0e
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Clark-Wang/i2c-imx-lpi2c-New-features-and-bug-fixes/20210406-193539
        git checkout 5853de64dd40e1cc71f0adede924934aee4c4f0e
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=nios2 

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-imx-lpi2c.c: In function 'lpi2c_imx_init_recovery_info':
>> drivers/i2c/busses/i2c-imx-lpi2c.c:583:21: error: implicit declaration of function 'devm_gpiod_get'; did you mean 'devm_gpio_free'? [-Werror=implicit-function-declaration]
     583 |  rinfo->sda_gpiod = devm_gpiod_get(&pdev->dev, "sda", GPIOD_IN);
         |                     ^~~~~~~~~~~~~~
         |                     devm_gpio_free
>> drivers/i2c/busses/i2c-imx-lpi2c.c:583:55: error: 'GPIOD_IN' undeclared (first use in this function); did you mean 'GPIOF_IN'?
     583 |  rinfo->sda_gpiod = devm_gpiod_get(&pdev->dev, "sda", GPIOD_IN);
         |                                                       ^~~~~~~~
         |                                                       GPIOF_IN
   drivers/i2c/busses/i2c-imx-lpi2c.c:583:55: note: each undeclared identifier is reported only once for each function it appears in
>> drivers/i2c/busses/i2c-imx-lpi2c.c:584:55: error: 'GPIOD_OUT_HIGH_OPEN_DRAIN' undeclared (first use in this function)
     584 |  rinfo->scl_gpiod = devm_gpiod_get(&pdev->dev, "scl", GPIOD_OUT_HIGH_OPEN_DRAIN);
         |                                                       ^~~~~~~~~~~~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors


vim +583 drivers/i2c/busses/i2c-imx-lpi2c.c

   560	
   561	/*
   562	 * We switch SCL and SDA to their GPIO function and do some bitbanging
   563	 * for bus recovery. These alternative pinmux settings can be
   564	 * described in the device tree by a separate pinctrl state "gpio". If
   565	 * this is missing this is not a big problem, the only implication is
   566	 * that we can't do bus recovery.
   567	 */
   568	static int lpi2c_imx_init_recovery_info(struct lpi2c_imx_struct *lpi2c_imx,
   569			struct platform_device *pdev)
   570	{
   571		struct i2c_bus_recovery_info *rinfo = &lpi2c_imx->rinfo;
   572	
   573		lpi2c_imx->pinctrl = devm_pinctrl_get(&pdev->dev);
   574		if (!lpi2c_imx->pinctrl || IS_ERR(lpi2c_imx->pinctrl)) {
   575			dev_info(&pdev->dev, "can't get pinctrl, bus recovery not supported\n");
   576			return PTR_ERR(lpi2c_imx->pinctrl);
   577		}
   578	
   579		lpi2c_imx->pinctrl_pins_default = pinctrl_lookup_state(lpi2c_imx->pinctrl,
   580				PINCTRL_STATE_DEFAULT);
   581		lpi2c_imx->pinctrl_pins_gpio = pinctrl_lookup_state(lpi2c_imx->pinctrl,
   582				"gpio");
 > 583		rinfo->sda_gpiod = devm_gpiod_get(&pdev->dev, "sda", GPIOD_IN);
 > 584		rinfo->scl_gpiod = devm_gpiod_get(&pdev->dev, "scl", GPIOD_OUT_HIGH_OPEN_DRAIN);
   585	
   586		if (PTR_ERR(rinfo->sda_gpiod) == -EPROBE_DEFER ||
   587		    PTR_ERR(rinfo->scl_gpiod) == -EPROBE_DEFER) {
   588			return -EPROBE_DEFER;
   589		} else if (IS_ERR(rinfo->sda_gpiod) ||
   590			   IS_ERR(rinfo->scl_gpiod) ||
   591			   IS_ERR(lpi2c_imx->pinctrl_pins_default) ||
   592			   IS_ERR(lpi2c_imx->pinctrl_pins_gpio)) {
   593			dev_dbg(&pdev->dev, "recovery information incomplete\n");
   594			return 0;
   595		}
   596	
   597		dev_info(&pdev->dev, "using scl%s for recovery\n",
   598			 rinfo->sda_gpiod ? ",sda" : "");
   599	
   600		rinfo->prepare_recovery = lpi2c_imx_prepare_recovery;
   601		rinfo->unprepare_recovery = lpi2c_imx_unprepare_recovery;
   602		rinfo->recover_bus = i2c_generic_scl_recovery;
   603		lpi2c_imx->adapter.bus_recovery_info = rinfo;
   604	
   605		return 0;
   606	}
   607	

---
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