[steev:linux-v5.19.0-rc8-tests 109/182] drivers/interconnect/qcom/icc-rpm.c:378:16: error: use of undeclared identifier 'src_qn'
From: kernel test robot
Date: Sun Jul 31 2022 - 06:05:19 EST
tree: https://github.com/steev/linux linux-v5.19.0-rc8-tests
head: 171125613e081f0d0d9aeb710dc7469ce2c6a219
commit: 20386c070c2d12a74092d72aef1c8be37a5f5177 [109/182] interconnect: qcom: icc-rpm: Set bandwidth and clock for bucket values
config: arm64-buildonly-randconfig-r005-20220731 (https://download.01.org/0day-ci/archive/20220731/202207311834.fM0dvTaU-lkp@xxxxxxxxx/config)
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 52cd00cabf479aa7eb6dbb063b7ba41ea57bce9e)
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 arm64 cross compiling tool for clang build
# apt-get install binutils-aarch64-linux-gnu
# https://github.com/steev/linux/commit/20386c070c2d12a74092d72aef1c8be37a5f5177
git remote add steev https://github.com/steev/linux
git fetch --no-tags steev linux-v5.19.0-rc8-tests
git checkout 20386c070c2d12a74092d72aef1c8be37a5f5177
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash drivers/gpu/drm/msm/ drivers/interconnect/qcom/
If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@xxxxxxxxx>
All errors (new ones prefixed by >>):
>> drivers/interconnect/qcom/icc-rpm.c:378:16: error: use of undeclared identifier 'src_qn'
do_div(rate, src_qn->buswidth);
^
1 error generated.
vim +/src_qn +378 drivers/interconnect/qcom/icc-rpm.c
328
329 static int qcom_icc_set(struct icc_node *src, struct icc_node *dst)
330 {
331 struct qcom_icc_provider *qp;
332 struct qcom_icc_node *qn;
333 struct icc_provider *provider;
334 u64 sum_bw;
335 u64 max_peak_bw;
336 u64 rate;
337 u64 agg_avg[QCOM_ICC_NUM_BUCKETS], agg_peak[QCOM_ICC_NUM_BUCKETS];
338 u64 max_agg_avg, max_agg_peak;
339 int ret, i;
340 int bucket;
341
342 qn = src->data;
343 provider = src->provider;
344 qp = to_qcom_provider(provider);
345
346 qcom_icc_bus_aggregate(provider, agg_avg, agg_peak, &max_agg_avg,
347 &max_agg_peak);
348
349 sum_bw = icc_units_to_bps(max_agg_avg);
350 max_peak_bw = icc_units_to_bps(max_agg_peak);
351
352 if (!qn->qos.ap_owned) {
353 /* send bandwidth request message to the RPM processor */
354 ret = qcom_icc_rpm_set(qn->mas_rpm_id, qn->slv_rpm_id, sum_bw);
355 if (ret)
356 return ret;
357 } else if (qn->qos.qos_mode != -1) {
358 /* set bandwidth directly from the AP */
359 ret = qcom_icc_qos_set(src, sum_bw);
360 if (ret)
361 return ret;
362 }
363
364 for (i = 0; i < qp->num_clks; i++) {
365 /*
366 * Use WAKE bucket for active clock, otherwise, use SLEEP bucket
367 * for other clocks. If a platform doesn't set interconnect
368 * path tags, by default use sleep bucket for all clocks.
369 *
370 * Note, AMC bucket is not supported yet.
371 */
372 if (!strcmp(qp->bus_clks[i].id, "bus_a"))
373 bucket = QCOM_ICC_BUCKET_WAKE;
374 else
375 bucket = QCOM_ICC_BUCKET_SLEEP;
376
377 rate = icc_units_to_bps(max(agg_avg[bucket], agg_peak[bucket]));
> 378 do_div(rate, src_qn->buswidth);
379 rate = min_t(u64, rate, LONG_MAX);
380
381 if (qp->bus_clk_rate[i] == rate)
382 continue;
383
384 ret = clk_set_rate(qp->bus_clks[i].clk, rate);
385 if (ret) {
386 pr_err("%s clk_set_rate error: %d\n",
387 qp->bus_clks[i].id, ret);
388 return ret;
389 }
390 qp->bus_clk_rate[i] = rate;
391 }
392
393 return 0;
394 }
395
--
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https://01.org/lkp