[PATCH v2 2/4] spi: rockchip: add support for "cs-gpios" dts property

[kbuild test robot]

Hi Jeffy,

[auto build test ERROR on rockchip/for-next]
[also build test ERROR on v4.12-rc5 next-20170613]
[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/Jeffy-Chen/spi-rockchip-fix-error-handling-when-probe/20170613-172725
base:   https://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip.git for-next
config: x86_64-randconfig-s5-06132355 (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/spi/spi-rockchip.c: In function 'rockchip_spi_setup_cs_gpios':
>> drivers/spi/spi-rockchip.c:678:13: error: implicit declaration of function 'devm_gpiod_get_index_optional' [-Werror=implicit-function-declaration]
      cs_gpio = devm_gpiod_get_index_optional(dev, "cs",
                ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/spi/spi-rockchip.c:679:11: error: 'GPIOD_ASIS' undeclared (first use in this function)
           i, GPIOD_ASIS);
              ^~~~~~~~~~
   drivers/spi/spi-rockchip.c:679:11: note: each undeclared identifier is reported only once for each function it appears in
   cc1: some warnings being treated as errors

vim +/devm_gpiod_get_index_optional +678 drivers/spi/spi-rockchip.c

   672		if (!np)
   673			return 0;
   674	
   675		nb = of_gpio_named_count(np, "cs-gpios");
   676		for (i = 0; i < nb; i++) {
   677			/* We support both GPIO CS and HW CS */
 > 678			cs_gpio = devm_gpiod_get_index_optional(dev, "cs",
 > 679								i, GPIOD_ASIS);
   680			if (IS_ERR(cs_gpio))
   681				return PTR_ERR(cs_gpio);
   682		}

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