[spi:for-5.3 41/41] drivers/spi/spi-synquacer.c:153:3: error: implicit declaration of function 'readsb'; did you mean 'readb'?

[kbuild test robot <lkp@xxxxxxxxx>]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git for-5.3
head:   b0823ee35cf9bc6b9a5403c12f12bd3e0b490045
commit: b0823ee35cf9bc6b9a5403c12f12bd3e0b490045 [41/41] spi: Add spi driver for Socionext SynQuacer platform
config: alpha-allyesconfig (attached as .config)
compiler: alpha-linux-gcc (GCC) 7.4.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout b0823ee35cf9bc6b9a5403c12f12bd3e0b490045
        # save the attached .config to linux build tree
        GCC_VERSION=7.4.0 make.cross ARCH=alpha 

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

   drivers/spi/spi-synquacer.c: In function 'read_fifo':
>> drivers/spi/spi-synquacer.c:153:3: error: implicit declaration of function 'readsb'; did you mean 'readb'? [-Werror=implicit-function-declaration]
      readsb(sspi->regs + SYNQUACER_HSSPI_REG_RX_FIFO, buf, len);
      ^~~~~~
      readb
>> drivers/spi/spi-synquacer.c:160:3: error: implicit declaration of function 'readsw'; did you mean 'readw'? [-Werror=implicit-function-declaration]
      readsw(sspi->regs + SYNQUACER_HSSPI_REG_RX_FIFO, buf, len);
      ^~~~~~
      readw
>> drivers/spi/spi-synquacer.c:169:3: error: implicit declaration of function 'readsl'; did you mean 'readl'? [-Werror=implicit-function-declaration]
      readsl(sspi->regs + SYNQUACER_HSSPI_REG_RX_FIFO, buf, len);
      ^~~~~~
      readl
   drivers/spi/spi-synquacer.c: In function 'write_fifo':
>> drivers/spi/spi-synquacer.c:194:3: error: implicit declaration of function 'writesb'; did you mean 'writeb'? [-Werror=implicit-function-declaration]
      writesb(sspi->regs + SYNQUACER_HSSPI_REG_TX_FIFO, buf, len);
      ^~~~~~~
      writeb
>> drivers/spi/spi-synquacer.c:201:3: error: implicit declaration of function 'writesw'; did you mean 'writew'? [-Werror=implicit-function-declaration]
      writesw(sspi->regs + SYNQUACER_HSSPI_REG_TX_FIFO, buf, len);
      ^~~~~~~
      writew
>> drivers/spi/spi-synquacer.c:210:3: error: implicit declaration of function 'writesl'; did you mean 'writel'? [-Werror=implicit-function-declaration]
      writesl(sspi->regs + SYNQUACER_HSSPI_REG_TX_FIFO, buf, len);
      ^~~~~~~
      writel
   cc1: some warnings being treated as errors

vim +153 drivers/spi/spi-synquacer.c

   140	
   141	static int read_fifo(struct synquacer_spi *sspi)
   142	{
   143		u32 len = readl(sspi->regs + SYNQUACER_HSSPI_REG_DMSTATUS);
   144	
   145		len = (len >> SYNQUACER_HSSPI_DMSTATUS_RX_DATA_SHIFT) &
   146		       SYNQUACER_HSSPI_DMSTATUS_RX_DATA_MASK;
   147		len = min(len, sspi->rx_words);
   148	
   149		switch (sspi->bpw) {
   150		case 8: {
   151			u8 *buf = sspi->rx_buf;
   152	
 > 153			readsb(sspi->regs + SYNQUACER_HSSPI_REG_RX_FIFO, buf, len);
   154			sspi->rx_buf = buf + len;
   155			break;
   156		}
   157		case 16: {
   158			u16 *buf = sspi->rx_buf;
   159	
 > 160			readsw(sspi->regs + SYNQUACER_HSSPI_REG_RX_FIFO, buf, len);
   161			sspi->rx_buf = buf + len;
   162			break;
   163		}
   164		case 24:
   165			/* fallthrough, should use 32-bits access */
   166		case 32: {
   167			u32 *buf = sspi->rx_buf;
   168	
 > 169			readsl(sspi->regs + SYNQUACER_HSSPI_REG_RX_FIFO, buf, len);
   170			sspi->rx_buf = buf + len;
   171			break;
   172		}
   173		default:
   174			return -EINVAL;
   175		}
   176	
   177		sspi->rx_words -= len;
   178		return 0;
   179	}
   180	
   181	static int write_fifo(struct synquacer_spi *sspi)
   182	{
   183		u32 len = readl(sspi->regs + SYNQUACER_HSSPI_REG_DMSTATUS);
   184	
   185		len = (len >> SYNQUACER_HSSPI_DMSTATUS_TX_DATA_SHIFT) &
   186		       SYNQUACER_HSSPI_DMSTATUS_TX_DATA_MASK;
   187		len = min(SYNQUACER_HSSPI_FIFO_DEPTH - len,
   188			    sspi->tx_words);
   189	
   190		switch (sspi->bpw) {
   191		case 8: {
   192			const u8 *buf = sspi->tx_buf;
   193	
 > 194			writesb(sspi->regs + SYNQUACER_HSSPI_REG_TX_FIFO, buf, len);
   195			sspi->tx_buf = buf + len;
   196			break;
   197		}
   198		case 16: {
   199			const u16 *buf = sspi->tx_buf;
   200	
 > 201			writesw(sspi->regs + SYNQUACER_HSSPI_REG_TX_FIFO, buf, len);
   202			sspi->tx_buf = buf + len;
   203			break;
   204		}
   205		case 24:
   206			/* fallthrough, should use 32-bits access */
   207		case 32: {
   208			const u32 *buf = sspi->tx_buf;
   209	
 > 210			writesl(sspi->regs + SYNQUACER_HSSPI_REG_TX_FIFO, buf, len);
   211			sspi->tx_buf = buf + len;
   212			break;
   213		}
   214		default:
   215			return -EINVAL;
   216		}
   217	
   218		sspi->tx_words -= len;
   219		return 0;
   220	}
   221	

---
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