sound/soc/cdns/cdns-i2s-mc.c:221:21: error: implicit declaration of function 'FIELD_PREP'

sound/soc/cdns/cdns-i2s-mc.c:221:21: error: implicit declaration of function 'FIELD_PREP'

[kernel test robot]

:::::: 
:::::: Manual check reason: "bisect to a FBC not belonging to original linux-review patches: branch: linux-review/joakim-zhang-cixtech-com/ASoC-dt-bindings-Add-Cadence-I2S-SC-controller/20260922-192131, commit: dc6b48e1eafbce3d63c74ad72cc99e76d3318cc1"
:::::: 

BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
TO: Joakim Zhang <joakim.zhang@cixtech.com>
CC: 0day robot <lkp@intel.com>

tree:   https://github.com/intel-lab-lkp/linux/commits/joakim-zhang-cixtech-com/ASoC-dt-bindings-Add-Cadence-I2S-SC-controller/20260922-192131
head:   dc6b48e1eafbce3d63c74ad72cc99e76d3318cc1
commit: dc6b48e1eafbce3d63c74ad72cc99e76d3318cc1 ASoC: cdns: Add Cadence I2S-MC controller driver
date:   2 days ago
:::::: branch date: 2 days ago
:::::: commit date: 2 days ago
config: sh-allyesconfig (https://download.01.org/0day-ci/archive/20260924/202609241721.uJFTHsRL-lkp@intel.com/config)
compiler: sh4-linux-gcc (GCC) 16.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260924/202609241721.uJFTHsRL-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/r/202609241721.uJFTHsRL-lkp@intel.com/

All errors (new ones prefixed by >>):

   sound/soc/cdns/cdns-i2s-mc.c: In function 'cdns_i2s_mc_tx_config':
>> sound/soc/cdns/cdns-i2s-mc.c:221:21: error: implicit declaration of function 'FIELD_PREP' [-Wimplicit-function-declaration]
     221 |         irq_mask |= FIELD_PREP(I2S_CID_CTRL_I2S_MASK,
         |                     ^~~~~~~~~~


vim +/FIELD_PREP +221 sound/soc/cdns/cdns-i2s-mc.c

dc6b48e1eafbce Joakim Zhang 2026-09-22  216  
dc6b48e1eafbce Joakim Zhang 2026-09-22  217  static void cdns_i2s_mc_tx_config(struct cdns_i2s_mc_priv *i2s_mc_priv, bool on)
dc6b48e1eafbce Joakim Zhang 2026-09-22  218  {
dc6b48e1eafbce Joakim Zhang 2026-09-22  219  	u32 irq_mask = 0, clk_mask = 0, i2s_mask = 0;
dc6b48e1eafbce Joakim Zhang 2026-09-22  220  
dc6b48e1eafbce Joakim Zhang 2026-09-22 @221  	irq_mask |= FIELD_PREP(I2S_CID_CTRL_I2S_MASK,
dc6b48e1eafbce Joakim Zhang 2026-09-22  222  			       i2s_mc_priv->pin_tx_mask_adjust);
dc6b48e1eafbce Joakim Zhang 2026-09-22  223  
dc6b48e1eafbce Joakim Zhang 2026-09-22  224  	clk_mask |= FIELD_PREP(I2S_CID_CTRL_I2S_STROBE,
dc6b48e1eafbce Joakim Zhang 2026-09-22  225  			       i2s_mc_priv->pin_tx_mask_adjust) |
dc6b48e1eafbce Joakim Zhang 2026-09-22  226  		    I2S_CID_CTRL_STROBE_TS;
dc6b48e1eafbce Joakim Zhang 2026-09-22  227  
dc6b48e1eafbce Joakim Zhang 2026-09-22  228  	i2s_mask |= FIELD_PREP(I2S_CTRL_I2S_EN, i2s_mc_priv->pin_tx_mask_adjust);
dc6b48e1eafbce Joakim Zhang 2026-09-22  229  
dc6b48e1eafbce Joakim Zhang 2026-09-22  230  	if (on) {
dc6b48e1eafbce Joakim Zhang 2026-09-22  231  		/* Transmitter data underrun interrupt unmask */
dc6b48e1eafbce Joakim Zhang 2026-09-22  232  		regmap_update_bits(i2s_mc_priv->regmap, I2S_CID_CTRL, irq_mask, irq_mask);
dc6b48e1eafbce Joakim Zhang 2026-09-22  233  
dc6b48e1eafbce Joakim Zhang 2026-09-22  234  		/* Transmitter clock enable */
dc6b48e1eafbce Joakim Zhang 2026-09-22  235  		regmap_update_bits(i2s_mc_priv->regmap, I2S_CID_CTRL, clk_mask, 0);
dc6b48e1eafbce Joakim Zhang 2026-09-22  236  
dc6b48e1eafbce Joakim Zhang 2026-09-22  237  		/*
dc6b48e1eafbce Joakim Zhang 2026-09-22  238  		 * Transmitter enable
dc6b48e1eafbce Joakim Zhang 2026-09-22  239  		 * Transmitter synchronizing unit out of reset
dc6b48e1eafbce Joakim Zhang 2026-09-22  240  		 */
dc6b48e1eafbce Joakim Zhang 2026-09-22  241  		regmap_update_bits(i2s_mc_priv->regmap, I2S_CTRL,
dc6b48e1eafbce Joakim Zhang 2026-09-22  242  				   i2s_mask | I2S_CTRL_TSYNC_RST,
dc6b48e1eafbce Joakim Zhang 2026-09-22  243  				   i2s_mask | I2S_CTRL_TSYNC_RST);
dc6b48e1eafbce Joakim Zhang 2026-09-22  244  	} else {
dc6b48e1eafbce Joakim Zhang 2026-09-22  245  		regmap_update_bits(i2s_mc_priv->regmap, I2S_CTRL,
dc6b48e1eafbce Joakim Zhang 2026-09-22  246  				   i2s_mask | I2S_CTRL_TSYNC_RST, 0);
dc6b48e1eafbce Joakim Zhang 2026-09-22  247  
dc6b48e1eafbce Joakim Zhang 2026-09-22  248  		regmap_update_bits(i2s_mc_priv->regmap, I2S_CID_CTRL, clk_mask, clk_mask);
dc6b48e1eafbce Joakim Zhang 2026-09-22  249  
dc6b48e1eafbce Joakim Zhang 2026-09-22  250  		regmap_update_bits(i2s_mc_priv->regmap, I2S_CID_CTRL, irq_mask, 0);
dc6b48e1eafbce Joakim Zhang 2026-09-22  251  	}
dc6b48e1eafbce Joakim Zhang 2026-09-22  252  }
dc6b48e1eafbce Joakim Zhang 2026-09-22  253  

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