Re: [PATCH v8 3/3] media: qcom: camss: tpg: Add TPG support for multiple targets
From: kernel test robot
Date: Thu Jan 15 2026 - 10:49:15 EST
Hi Wenmeng,
kernel test robot noticed the following build errors:
[auto build test ERROR on f417b7ffcbef7d76b0d8860518f50dae0e7e5eda]
url: https://github.com/intel-lab-lkp/linux/commits/Wenmeng-Liu/media-qcom-camss-Add-common-TPG-support/20260113-171032
base: f417b7ffcbef7d76b0d8860518f50dae0e7e5eda
patch link: https://lore.kernel.org/r/20260113-camss_tpg-v8-3-fa2cb186a018%40oss.qualcomm.com
patch subject: [PATCH v8 3/3] media: qcom: camss: tpg: Add TPG support for multiple targets
config: parisc-randconfig-002-20260115 (https://download.01.org/0day-ci/archive/20260115/202601152315.fC7ckH9z-lkp@xxxxxxxxx/config)
compiler: hppa-linux-gcc (GCC) 12.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260115/202601152315.fC7ckH9z-lkp@xxxxxxxxx/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202601152315.fC7ckH9z-lkp@xxxxxxxxx/
All errors (new ones prefixed by >>):
drivers/media/platform/qcom/camss/camss-csid-680.c: In function '__csid_configure_rx':
>> drivers/media/platform/qcom/camss/camss-csid-680.c:202:32: error: implicit declaration of function 'FIELD_PREP' [-Werror=implicit-function-declaration]
202 | val |= FIELD_PREP(CSI2_RX_CFG0_TPG_NUM_SEL, phy->csiphy_id + 1);
| ^~~~~~~~~~
cc1: some warnings being treated as errors
--
drivers/media/platform/qcom/camss/camss-csid-gen3.c: In function '__csid_configure_rx':
>> drivers/media/platform/qcom/camss/camss-csid-gen3.c:126:32: error: implicit declaration of function 'FIELD_PREP' [-Werror=implicit-function-declaration]
126 | val |= FIELD_PREP(CSI2_RX_CFG0_TPG_NUM_SEL, phy->csiphy_id + 1);
| ^~~~~~~~~~
cc1: some warnings being treated as errors
vim +/FIELD_PREP +202 drivers/media/platform/qcom/camss/camss-csid-680.c
185
186 static void __csid_configure_rx(struct csid_device *csid,
187 struct csid_phy_config *phy, int vc)
188 {
189 u32 val;
190 struct camss *camss;
191 struct tpg_device *tpg;
192
193 camss = csid->camss;
194 val = (phy->lane_cnt - 1) << CSI2_RX_CFG0_NUM_ACTIVE_LANES;
195 val |= phy->lane_assign << CSI2_RX_CFG0_DL0_INPUT_SEL;
196 val |= (phy->csiphy_id + CSI2_RX_CFG0_PHY_SEL_BASE_IDX) << CSI2_RX_CFG0_PHY_NUM_SEL;
197
198 if (camss->tpg) {
199 tpg = &camss->tpg[phy->csiphy_id];
200
201 if (csid->tpg_linked && tpg->testgen.mode > 0) {
> 202 val |= FIELD_PREP(CSI2_RX_CFG0_TPG_NUM_SEL, phy->csiphy_id + 1);
203 val |= CSI2_RX_CFG0_TPG_NUM_EN;
204 }
205 }
206
207 writel(val, csid->base + CSID_CSI2_RX_CFG0);
208
209 val = CSI2_RX_CFG1_PACKET_ECC_CORRECTION_EN;
210 if (vc > 3)
211 val |= CSI2_RX_CFG1_VC_MODE;
212 writel(val, csid->base + CSID_CSI2_RX_CFG1);
213 }
214
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki