Hi Samuel, Thank you for the patch! Yet something to improve: [auto build test ERROR on pavel-leds/for-next] [also build test ERROR on robh/for-next sunxi/sunxi/for-next v5.15-rc3 next-20210922] [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/Samuel-Holland/dt-bindings-leds-Add-Allwinner-R329-D1-LED-controller/20211004-102621 base: git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds.git for-next config: parisc-allyesconfig (attached as .config) compiler: hppa-linux-gcc (GCC) 11.2.0 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/d34f1e4daaad9848622b4395c5f780fe9f8502cc git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Samuel-Holland/dt-bindings-leds-Add-Allwinner-R329-D1-LED-controller/20211004-102621 git checkout d34f1e4daaad9848622b4395c5f780fe9f8502cc # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=parisc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): drivers/leds/leds-sun50i-r329.c: In function 'sun50i_r329_ledc_pio_xfer': >> drivers/leds/leds-sun50i-r329.c:125:9: error: implicit declaration of function 'writesl'; did you mean 'writel'? [-Werror=implicit-function-declaration] 125 | writesl(priv->base + LEDC_DATA_REG, priv->buffer + offset, burst); | ^~~~~~~ | writel cc1: all warnings being treated as errors vim +125 drivers/leds/leds-sun50i-r329.c 109 110 static void sun50i_r329_ledc_pio_xfer(struct sun50i_r329_ledc *priv, int length) 111 { 112 u32 burst, offset, val; 113 114 if (length) { 115 /* New transfer (FIFO is empty). */ 116 offset = 0; 117 burst = min(length, LEDC_FIFO_DEPTH); 118 } else { 119 /* Existing transfer (FIFO is half-full). */ 120 length = priv->pio_length; 121 offset = priv->pio_offset; 122 burst = min(length, LEDC_FIFO_DEPTH / 2); 123 } 124 > 125 writesl(priv->base + LEDC_DATA_REG, priv->buffer + offset, burst); 126 127 if (burst < length) { 128 priv->pio_length = length - burst; 129 priv->pio_offset = offset + burst; 130 131 if (!offset) { 132 val = readl(priv->base + LEDC_INT_CTRL_REG); 133 val |= LEDC_INT_CTRL_REG_FIFO_CPUREQ_INT_EN; 134 writel(val, priv->base + LEDC_INT_CTRL_REG); 135 } 136 } else { 137 /* Disable the request IRQ once all data is written. */ 138 val = readl(priv->base + LEDC_INT_CTRL_REG); 139 val &= ~LEDC_INT_CTRL_REG_FIFO_CPUREQ_INT_EN; 140 writel(val, priv->base + LEDC_INT_CTRL_REG); 141 } 142 } 143 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org