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Thu, 17 Aug 2023 06:49:09 +0000 Date: Thu, 17 Aug 2023 14:48:56 +0800 From: kernel test robot To: Thierry Reding Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, Wolfram Sang Subject: drivers/i2c/busses/i2c-tegra.c:297: warning: Function parameter or member 'dma_dev' not described in 'tegra_i2c_dev' Message-ID: <202308171413.orPN3iw6-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 4853c74bd7ab7fdb83f319bd9ace8a08c031e9b6 commit: cdbf26251d3b35c4ccaea0c3a6de4318f727d3d2 i2c: tegra: Allocate DMA memory for DMA engine date: 10 months ago config: riscv-randconfig-r022-20230817 (https://download.01.org/0day-ci/archive/20230817/202308171413.orPN3iw6-lkp@intel.com/config) compiler: riscv32-linux-gcc (GCC) 12.3.0 reproduce: (https://download.01.org/0day-ci/archive/20230817/202308171413.orPN3iw6-lkp@intel.com/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 | Closes: https://lore.kernel.org/oe-kbuild-all/202308171413.orPN3iw6-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/i2c/busses/i2c-tegra.c:297: warning: Function parameter or member 'dma_dev' not described in 'tegra_i2c_dev' vim +297 drivers/i2c/busses/i2c-tegra.c 6ad068ed63100f Laxman Dewangan 2012-08-19 228 db811ca0f48578 Colin Cross 2011-02-20 229 /** c990bbafdb11c6 Thierry Reding 2018-12-17 230 * struct tegra_i2c_dev - per device I2C context db811ca0f48578 Colin Cross 2011-02-20 231 * @dev: device reference for power management c990bbafdb11c6 Thierry Reding 2018-12-17 232 * @hw: Tegra I2C HW feature c990bbafdb11c6 Thierry Reding 2018-12-17 233 * @adapter: core I2C layer adapter information c990bbafdb11c6 Thierry Reding 2018-12-17 234 * @div_clk: clock reference for div clock of I2C controller 586a97d907ac34 Dmitry Osipenko 2020-09-30 235 * @clocks: array of I2C controller clocks 586a97d907ac34 Dmitry Osipenko 2020-09-30 236 * @nclocks: number of clocks in the array 0604ee4aefa20f Thierry Reding 2018-12-17 237 * @rst: reset control for the I2C controller db811ca0f48578 Colin Cross 2011-02-20 238 * @base: ioremapped registers cookie 86c92b9965ff17 Sowjanya Komatineni 2019-02-12 239 * @base_phys: physical base address of the I2C controller c990bbafdb11c6 Thierry Reding 2018-12-17 240 * @cont_id: I2C controller ID, used for packet header c990bbafdb11c6 Thierry Reding 2018-12-17 241 * @irq: IRQ number of transfer complete interrupt c990bbafdb11c6 Thierry Reding 2018-12-17 242 * @is_dvc: identifies the DVC I2C controller, has a different register layout c73178b93754ed Thierry Reding 2019-06-07 243 * @is_vi: identifies the VI I2C controller, has a different register layout db811ca0f48578 Colin Cross 2011-02-20 244 * @msg_complete: transfer completion notifier db811ca0f48578 Colin Cross 2011-02-20 245 * @msg_err: error code for completed message db811ca0f48578 Colin Cross 2011-02-20 246 * @msg_buf: pointer to current message data db811ca0f48578 Colin Cross 2011-02-20 247 * @msg_buf_remaining: size of unsent data in the message buffer 94a5573f0719cf Dmitry Osipenko 2020-09-30 248 * @msg_read: indicates that the transfer is a read access 50665d58db052b Akhil R 2021-12-10 249 * @timings: i2c timings information like bus frequency a99042e7d9fb5c Dmitry Osipenko 2020-09-30 250 * @multimaster_mode: indicates that I2C controller is in multi-master mode 86c92b9965ff17 Sowjanya Komatineni 2019-02-12 251 * @tx_dma_chan: DMA transmit channel 86c92b9965ff17 Sowjanya Komatineni 2019-02-12 252 * @rx_dma_chan: DMA receive channel 86c92b9965ff17 Sowjanya Komatineni 2019-02-12 253 * @dma_phys: handle to DMA resources 86c92b9965ff17 Sowjanya Komatineni 2019-02-12 254 * @dma_buf: pointer to allocated DMA buffer 86c92b9965ff17 Sowjanya Komatineni 2019-02-12 255 * @dma_buf_size: DMA buffer size a99042e7d9fb5c Dmitry Osipenko 2020-09-30 256 * @dma_mode: indicates active DMA transfer 86c92b9965ff17 Sowjanya Komatineni 2019-02-12 257 * @dma_complete: DMA completion notifier a99042e7d9fb5c Dmitry Osipenko 2020-09-30 258 * @atomic_mode: indicates active atomic transfer db811ca0f48578 Colin Cross 2011-02-20 259 */ db811ca0f48578 Colin Cross 2011-02-20 260 struct tegra_i2c_dev { db811ca0f48578 Colin Cross 2011-02-20 261 struct device *dev; db811ca0f48578 Colin Cross 2011-02-20 262 struct i2c_adapter adapter; 89e3748acd0bf6 Dmitry Osipenko 2020-09-30 263 89e3748acd0bf6 Dmitry Osipenko 2020-09-30 264 const struct tegra_i2c_hw_feature *hw; dda9d6a8262cb1 Stephen Warren 2013-11-06 265 struct reset_control *rst; f1c2ff98065dce Dmitry Osipenko 2020-09-30 266 unsigned int cont_id; f1c2ff98065dce Dmitry Osipenko 2020-09-30 267 unsigned int irq; 89e3748acd0bf6 Dmitry Osipenko 2020-09-30 268 89e3748acd0bf6 Dmitry Osipenko 2020-09-30 269 phys_addr_t base_phys; 89e3748acd0bf6 Dmitry Osipenko 2020-09-30 270 void __iomem *base; 89e3748acd0bf6 Dmitry Osipenko 2020-09-30 271 89e3748acd0bf6 Dmitry Osipenko 2020-09-30 272 struct clk_bulk_data clocks[2]; 89e3748acd0bf6 Dmitry Osipenko 2020-09-30 273 unsigned int nclocks; 89e3748acd0bf6 Dmitry Osipenko 2020-09-30 274 89e3748acd0bf6 Dmitry Osipenko 2020-09-30 275 struct clk *div_clk; 50665d58db052b Akhil R 2021-12-10 276 struct i2c_timings timings; 89e3748acd0bf6 Dmitry Osipenko 2020-09-30 277 db811ca0f48578 Colin Cross 2011-02-20 278 struct completion msg_complete; 89e3748acd0bf6 Dmitry Osipenko 2020-09-30 279 size_t msg_buf_remaining; db811ca0f48578 Colin Cross 2011-02-20 280 int msg_err; db811ca0f48578 Colin Cross 2011-02-20 281 u8 *msg_buf; 89e3748acd0bf6 Dmitry Osipenko 2020-09-30 282 89e3748acd0bf6 Dmitry Osipenko 2020-09-30 283 struct completion dma_complete; 86c92b9965ff17 Sowjanya Komatineni 2019-02-12 284 struct dma_chan *tx_dma_chan; 86c92b9965ff17 Sowjanya Komatineni 2019-02-12 285 struct dma_chan *rx_dma_chan; 89e3748acd0bf6 Dmitry Osipenko 2020-09-30 286 unsigned int dma_buf_size; cdbf26251d3b35 Thierry Reding 2022-10-20 287 struct device *dma_dev; 86c92b9965ff17 Sowjanya Komatineni 2019-02-12 288 dma_addr_t dma_phys; 4be62340f3ce62 Dmitry Osipenko 2020-09-30 289 void *dma_buf; 89e3748acd0bf6 Dmitry Osipenko 2020-09-30 290 a99042e7d9fb5c Dmitry Osipenko 2020-09-30 291 bool multimaster_mode; a99042e7d9fb5c Dmitry Osipenko 2020-09-30 292 bool atomic_mode; a99042e7d9fb5c Dmitry Osipenko 2020-09-30 293 bool dma_mode; 89e3748acd0bf6 Dmitry Osipenko 2020-09-30 294 bool msg_read; 89e3748acd0bf6 Dmitry Osipenko 2020-09-30 295 bool is_dvc; 89e3748acd0bf6 Dmitry Osipenko 2020-09-30 296 bool is_vi; db811ca0f48578 Colin Cross 2011-02-20 @297 }; db811ca0f48578 Colin Cross 2011-02-20 298 :::::: The code at line 297 was first introduced by commit :::::: db811ca0f48578f9940f49f284ac81e336b264ad i2c: tegra: Add i2c support :::::: TO: Colin Cross :::::: CC: Ben Dooks -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki