Re: [PATCH 1/2] counter: 104-quad-8: Remove IIO counter ABI

From: kernel test robot
Date: Wed Jan 27 2021 - 05:15:42 EST


Hi William,

I love your patch! Yet something to improve:

[auto build test ERROR on iio/togreg]
[also build test ERROR on linux/master linus/master v5.11-rc5 next-20210125]
[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/William-Breathitt-Gray/Remove-the-IIO-counter-ABI/20210125-210945
base: https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg
config: x86_64-randconfig-a003-20210126 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 925ae8c790c7e354f12ec14a6cac6aa49fc75b29)
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 x86_64 cross compiling tool for clang build
# apt-get install binutils-x86-64-linux-gnu
# https://github.com/0day-ci/linux/commit/93b6ce4252570c170c0a65a5d2ba200a5cb07967
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review William-Breathitt-Gray/Remove-the-IIO-counter-ABI/20210125-210945
git checkout 93b6ce4252570c170c0a65a5d2ba200a5cb07967
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64

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/counter/104-quad-8.c:1036:40: error: too few arguments to function call, expected 3, have 2
priv = devm_kzalloc(dev, sizeof(*priv));
~~~~~~~~~~~~ ^
include/linux/device.h:215:21: note: 'devm_kzalloc' declared here
static inline void *devm_kzalloc(struct device *dev, size_t size, gfp_t gfp)
^
1 error generated.


vim +1036 drivers/counter/104-quad-8.c

1022
1023 static int quad8_probe(struct device *dev, unsigned int id)
1024 {
1025 struct quad8 *priv;
1026 int i, j;
1027 unsigned int base_offset;
1028 int err;
1029
1030 if (!devm_request_region(dev, base[id], QUAD8_EXTENT, dev_name(dev))) {
1031 dev_err(dev, "Unable to lock port addresses (0x%X-0x%X)\n",
1032 base[id], base[id] + QUAD8_EXTENT);
1033 return -EBUSY;
1034 }
1035
> 1036 priv = devm_kzalloc(dev, sizeof(*priv));
1037 if (!priv)
1038 return -ENOMEM;
1039
1040 /* Initialize Counter device and driver data */
1041 priv->counter.name = dev_name(dev);
1042 priv->counter.parent = dev;
1043 priv->counter.ops = &quad8_ops;
1044 priv->counter.counts = quad8_counts;
1045 priv->counter.num_counts = ARRAY_SIZE(quad8_counts);
1046 priv->counter.signals = quad8_signals;
1047 priv->counter.num_signals = ARRAY_SIZE(quad8_signals);
1048 priv->counter.priv = priv;
1049 priv->base = base[id];
1050
1051 /* Initialize mutex */
1052 mutex_init(&priv->lock);
1053
1054 /* Reset all counters and disable interrupt function */
1055 outb(QUAD8_CHAN_OP_RESET_COUNTERS, base[id] + QUAD8_REG_CHAN_OP);
1056 /* Set initial configuration for all counters */
1057 for (i = 0; i < QUAD8_NUM_COUNTERS; i++) {
1058 base_offset = base[id] + 2 * i;
1059 /* Reset Byte Pointer */
1060 outb(QUAD8_CTR_RLD | QUAD8_RLD_RESET_BP, base_offset + 1);
1061 /* Reset filter clock factor */
1062 outb(0, base_offset);
1063 outb(QUAD8_CTR_RLD | QUAD8_RLD_RESET_BP | QUAD8_RLD_PRESET_PSC,
1064 base_offset + 1);
1065 /* Reset Byte Pointer */
1066 outb(QUAD8_CTR_RLD | QUAD8_RLD_RESET_BP, base_offset + 1);
1067 /* Reset Preset Register */
1068 for (j = 0; j < 3; j++)
1069 outb(0x00, base_offset);
1070 /* Reset Borrow, Carry, Compare, and Sign flags */
1071 outb(QUAD8_CTR_RLD | QUAD8_RLD_RESET_FLAGS, base_offset + 1);
1072 /* Reset Error flag */
1073 outb(QUAD8_CTR_RLD | QUAD8_RLD_RESET_E, base_offset + 1);
1074 /* Binary encoding; Normal count; non-quadrature mode */
1075 outb(QUAD8_CTR_CMR, base_offset + 1);
1076 /* Disable A and B inputs; preset on index; FLG1 as Carry */
1077 outb(QUAD8_CTR_IOR, base_offset + 1);
1078 /* Disable index function; negative index polarity */
1079 outb(QUAD8_CTR_IDR, base_offset + 1);
1080 }
1081 /* Disable Differential Encoder Cable Status for all channels */
1082 outb(0xFF, base[id] + QUAD8_DIFF_ENCODER_CABLE_STATUS);
1083 /* Enable all counters */
1084 outb(QUAD8_CHAN_OP_ENABLE_COUNTERS, base[id] + QUAD8_REG_CHAN_OP);
1085
1086 /* Register Counter device */
1087 return devm_counter_register(dev, &priv->counter);
1088 }
1089

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx

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