drivers/staging/pi433/pi433_if.c:1131:17: error: implicit declaration of function 'rf69_read_reg'
From: kernel test robot
Date: Fri Feb 04 2022 - 02:48:07 EST
tree: https://github.com/0day-ci/linux/commits/UPDATE-20220204-130730/Paulo-Miguel-Almeida/staging-pi433-add-debugfs-interface/20220130-105834
head: fb6abd1aaf517ca9932a8acb1ab639308264bde6
commit: fb6abd1aaf517ca9932a8acb1ab639308264bde6 staging: pi433: add debugfs interface
date: 3 hours ago
config: riscv-randconfig-r042-20220131 (https://download.01.org/0day-ci/archive/20220204/202202041558.6DmCc4Yr-lkp@xxxxxxxxx/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project a73e4ce6a59b01f0e37037761c1e6889d539d233)
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
# install riscv cross compiling tool for clang build
# apt-get install binutils-riscv64-linux-gnu
# https://github.com/0day-ci/linux/commit/fb6abd1aaf517ca9932a8acb1ab639308264bde6
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review UPDATE-20220204-130730/Paulo-Miguel-Almeida/staging-pi433-add-debugfs-interface/20220130-105834
git checkout fb6abd1aaf517ca9932a8acb1ab639308264bde6
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash drivers/staging/pi433/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>
All errors (new ones prefixed by >>):
>> drivers/staging/pi433/pi433_if.c:1131:17: error: implicit declaration of function 'rf69_read_reg' [-Werror,-Wimplicit-function-declaration]
reg_data[i] = rf69_read_reg(dev->spi, i);
^
drivers/staging/pi433/pi433_if.c:1131:17: note: did you mean 'rf69_read_fifo'?
drivers/staging/pi433/rf69.h:67:5: note: 'rf69_read_fifo' declared here
int rf69_read_fifo(struct spi_device *spi, u8 *buffer, unsigned int size);
^
1 error generated.
vim +/rf69_read_reg +1131 drivers/staging/pi433/pi433_if.c
1106
1107 static int pi433_debugfs_regs_show(struct seq_file *m, void *p)
1108 {
1109 struct pi433_device *dev;
1110 u8 reg_data[114];
1111 int i;
1112 char *fmt = "0x%02x, 0x%02x\n";
1113 int ret;
1114
1115 dev = m->private;
1116
1117 mutex_lock(&dev->tx_fifo_lock);
1118 mutex_lock(&dev->rx_lock);
1119
1120 // wait for on-going operations to finish
1121 ret = wait_event_interruptible(dev->rx_wait_queue, !dev->tx_active);
1122 if (ret)
1123 goto out_unlock;
1124
1125 ret = wait_event_interruptible(dev->tx_wait_queue, !dev->rx_active);
1126 if (ret)
1127 goto out_unlock;
1128
1129 // skip FIFO register (0x0) otherwise this can affect some of uC ops
1130 for (i = 1; i < 0x50; i++)
> 1131 reg_data[i] = rf69_read_reg(dev->spi, i);
1132
1133 reg_data[REG_TESTLNA] = rf69_read_reg(dev->spi, REG_TESTLNA);
1134 reg_data[REG_TESTPA1] = rf69_read_reg(dev->spi, REG_TESTPA1);
1135 reg_data[REG_TESTPA2] = rf69_read_reg(dev->spi, REG_TESTPA2);
1136 reg_data[REG_TESTDAGC] = rf69_read_reg(dev->spi, REG_TESTDAGC);
1137 reg_data[REG_TESTAFC] = rf69_read_reg(dev->spi, REG_TESTAFC);
1138
1139 seq_puts(m, "# reg, val\n");
1140
1141 for (i = 1; i < 0x50; i++)
1142 seq_printf(m, fmt, i, reg_data[i]);
1143
1144 seq_printf(m, fmt, REG_TESTLNA, reg_data[REG_TESTLNA]);
1145 seq_printf(m, fmt, REG_TESTPA1, reg_data[REG_TESTPA1]);
1146 seq_printf(m, fmt, REG_TESTPA2, reg_data[REG_TESTPA2]);
1147 seq_printf(m, fmt, REG_TESTDAGC, reg_data[REG_TESTDAGC]);
1148 seq_printf(m, fmt, REG_TESTAFC, reg_data[REG_TESTAFC]);
1149
1150 out_unlock:
1151 mutex_unlock(&dev->rx_lock);
1152 mutex_unlock(&dev->tx_fifo_lock);
1153
1154 return ret;
1155 }
1156
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx