Hi Peter, [auto build test ERROR on linus/master] [also build test ERROR on v4.9-rc6] [cannot apply to next-20161117] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Peter-Rosin/mux-controller-abstraction-and-iio-i2c-muxes/20161121-215311 config: x86_64-allmodconfig (attached as .config) compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All errors (new ones prefixed by >>): drivers/iio/multiplexer/iio-mux.c: In function 'mux_read_avail': >> drivers/iio/multiplexer/iio-mux.c:134:9: error: implicit declaration of function 'iio_read_avail_channel_raw' [-Werror=implicit-function-declaration] ret = iio_read_avail_channel_raw(mux->parent, vals, length); ^~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/iio/multiplexer/iio-mux.c: At top level: >> drivers/iio/multiplexer/iio-mux.c:174:2: error: unknown field 'read_avail' specified in initializer .read_avail = mux_read_avail, ^ >> drivers/iio/multiplexer/iio-mux.c:174:16: error: initialization from incompatible pointer type [-Werror=incompatible-pointer-types] .read_avail = mux_read_avail, ^~~~~~~~~~~~~~ drivers/iio/multiplexer/iio-mux.c:174:16: note: (near initialization for 'mux_info.read_raw_multi') drivers/iio/multiplexer/iio-mux.c: In function 'mux_configure_channel': >> drivers/iio/multiplexer/iio-mux.c:267:6: error: implicit declaration of function 'iio_channel_has_available' [-Werror=implicit-function-declaration] if (iio_channel_has_available(pchan, IIO_CHAN_INFO_RAW)) ^~~~~~~~~~~~~~~~~~~~~~~~~ >> drivers/iio/multiplexer/iio-mux.c:268:7: error: 'struct iio_chan_spec' has no member named 'info_mask_separate_available'; did you mean 'info_mask_separate'? chan->info_mask_separate_available |= BIT(IIO_CHAN_INFO_RAW); ^~ cc1: some warnings being treated as errors vim +/iio_read_avail_channel_raw +134 drivers/iio/multiplexer/iio-mux.c 128 if (ret < 0) 129 return ret; 130 131 switch (mask) { 132 case IIO_CHAN_INFO_RAW: 133 *type = IIO_VAL_INT; > 134 ret = iio_read_avail_channel_raw(mux->parent, vals, length); 135 break; 136 137 default: 138 ret = -EINVAL; 139 } 140 141 iio_mux_deselect(mux); 142 143 return ret; 144 } 145 146 static int mux_write_raw(struct iio_dev *indio_dev, 147 struct iio_chan_spec const *chan, 148 int val, int val2, long mask) 149 { 150 struct mux *mux = iio_priv(indio_dev); 151 int idx = chan - mux->chan; 152 int ret; 153 154 ret = iio_mux_select(mux, idx); 155 if (ret < 0) 156 return ret; 157 158 switch (mask) { 159 case IIO_CHAN_INFO_RAW: 160 ret = iio_write_channel_raw(mux->parent, val); 161 break; 162 163 default: 164 ret = -EINVAL; 165 } 166 167 iio_mux_deselect(mux); 168 169 return ret; 170 } 171 172 static const struct iio_info mux_info = { 173 .read_raw = mux_read_raw, > 174 .read_avail = mux_read_avail, 175 .write_raw = mux_write_raw, 176 .driver_module = THIS_MODULE, 177 }; 178 179 static ssize_t mux_read_ext_info(struct iio_dev *indio_dev, uintptr_t private, 180 struct iio_chan_spec const *chan, char *buf) 181 { 182 struct mux *mux = iio_priv(indio_dev); 183 int idx = chan - mux->chan; 184 ssize_t ret; 185 186 ret = iio_mux_select(mux, idx); 187 if (ret < 0) 188 return ret; 189 190 ret = iio_read_channel_ext_info(mux->parent, 191 mux->ext_info[private].name, 192 buf); 193 194 iio_mux_deselect(mux); 195 196 return ret; 197 } 198 199 static ssize_t mux_write_ext_info(struct iio_dev *indio_dev, uintptr_t private, 200 struct iio_chan_spec const *chan, 201 const char *buf, size_t len) 202 { 203 struct device *dev = indio_dev->dev.parent; 204 struct mux *mux = iio_priv(indio_dev); 205 int idx = chan - mux->chan; 206 char *new; 207 ssize_t ret; 208 209 ret = iio_mux_select(mux, idx); 210 if (ret < 0) 211 return ret; 212 213 new = devm_kmemdup(dev, buf, len + 1, GFP_KERNEL); 214 if (!new) { 215 iio_mux_deselect(mux); 216 return -ENOMEM; 217 } 218 219 new[len] = 0; 220 221 ret = iio_write_channel_ext_info(mux->parent, 222 mux->ext_info[private].name, 223 buf, len); 224 if (ret < 0) { 225 iio_mux_deselect(mux); 226 devm_kfree(dev, new); 227 return ret; 228 } 229 230 devm_kfree(dev, mux->child[idx].ext_info_cache[private].data); 231 mux->child[idx].ext_info_cache[private].data = new; 232 mux->child[idx].ext_info_cache[private].size = len; 233 234 iio_mux_deselect(mux); 235 236 return ret; 237 } 238 239 static int mux_configure_channel(struct device *dev, struct mux *mux, 240 struct device_node *child_np, int idx) 241 { 242 struct mux_child *child = &mux->child[idx]; 243 struct iio_chan_spec *chan = &mux->chan[idx]; 244 struct iio_chan_spec const *pchan = mux->parent->channel; 245 u32 state; 246 char *page = NULL; 247 int num_ext_info; 248 int i; 249 int ret; 250 251 chan->indexed = 1; 252 chan->output = pchan->output; 253 chan->datasheet_name = child_np->name; 254 chan->ext_info = mux->ext_info; 255 256 ret = iio_get_channel_type(mux->parent, &chan->type); 257 if (ret < 0) { 258 dev_err(dev, "failed to get parent channel type\n"); 259 return ret; 260 } 261 262 if (iio_channel_has_info(pchan, IIO_CHAN_INFO_RAW)) 263 chan->info_mask_separate |= BIT(IIO_CHAN_INFO_RAW); 264 if (iio_channel_has_info(pchan, IIO_CHAN_INFO_SCALE)) 265 chan->info_mask_separate |= BIT(IIO_CHAN_INFO_SCALE); 266 > 267 if (iio_channel_has_available(pchan, IIO_CHAN_INFO_RAW)) > 268 chan->info_mask_separate_available |= BIT(IIO_CHAN_INFO_RAW); 269 270 ret = of_property_read_u32(child_np, "reg", &state); 271 if (ret < 0) { --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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