Re: [PATCH v8 2/4] rtc: s32g: add NXP S32G2/S32G3 SoC support

[kernel test robot <lkp@intel.com>]

Hi Ciprian,

kernel test robot noticed the following build errors:

[auto build test ERROR on robh/for-next]
[also build test ERROR on arm64/for-next/core krzk-dt/for-next linus/master v6.14-rc5 next-20250305]
[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#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Ciprian-Costea/dt-bindings-rtc-add-schema-for-NXP-S32G2-S32G3-SoCs/20250228-162229
base:   https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next
patch link:    https://lore.kernel.org/r/20250228081812.3115478-3-ciprianmarian.costea%40oss.nxp.com
patch subject: [PATCH v8 2/4] rtc: s32g: add NXP S32G2/S32G3 SoC support
config: sparc-allmodconfig (https://download.01.org/0day-ci/archive/20250306/202503060247.j7Mbl9vb-lkp@intel.com/config)
compiler: sparc64-linux-gcc (GCC) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250306/202503060247.j7Mbl9vb-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202503060247.j7Mbl9vb-lkp@intel.com/

All errors (new ones prefixed by >>):

   drivers/rtc/rtc-s32g.c: In function 'rtc_clk_src_setup':
>> drivers/rtc/rtc-s32g.c:204:16: error: implicit declaration of function 'FIELD_PREP' [-Wimplicit-function-declaration]
     204 |         rtcc = FIELD_PREP(RTCC_CLKSEL_MASK, priv->clk_src_idx);
         |                ^~~~~~~~~~


vim +/FIELD_PREP +204 drivers/rtc/rtc-s32g.c

   196	
   197	static int rtc_clk_src_setup(struct rtc_priv *priv)
   198	{
   199		u32 rtcc;
   200	
   201		if (priv->rtc_data->reserved_clk_mask & (1 << priv->clk_src_idx))
   202			return -EOPNOTSUPP;
   203	
 > 204		rtcc = FIELD_PREP(RTCC_CLKSEL_MASK, priv->clk_src_idx);
   205	
   206		switch (priv->rtc_data->clk_div) {
   207		case DIV512_32:
   208			rtcc |= RTCC_DIV512EN;
   209			rtcc |= RTCC_DIV32EN;
   210			break;
   211		case DIV512:
   212			rtcc |= RTCC_DIV512EN;
   213			break;
   214		case DIV32:
   215			rtcc |= RTCC_DIV32EN;
   216			break;
   217		case DIV1:
   218			break;
   219		default:
   220			return -EINVAL;
   221		}
   222	
   223		rtcc |= RTCC_APIEN | RTCC_APIIE;
   224		/*
   225		 * Make sure the CNTEN is 0 before we configure
   226		 * the clock source and dividers.
   227		 */
   228		s32g_rtc_disable(priv);
   229		writel(rtcc, priv->rtc_base + RTCC_OFFSET);
   230		s32g_rtc_enable(priv);
   231	
   232		return 0;
   233	}
   234	

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