* Re: [PATCH v5 7/8] iio: adc: ad7606: Add iio-backend support
[not found] <20241015-ad7606_add_iio_backend_support-v5-7-654faf1ae08c@baylibre.com>
@ 2024-10-19 0:36 ` kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2024-10-19 0:36 UTC (permalink / raw)
To: Guillaume Stols, Uwe Kleine-König, Lars-Peter Clausen,
Michael Hennerich, Jonathan Cameron, Rob Herring,
Krzysztof Kozlowski, Conor Dooley, Greg Kroah-Hartman,
Rafael J. Wysocki, Jonathan Corbet
Cc: llvm, oe-kbuild-all, linux-pwm, linux-kernel, linux-fbdev,
linux-iio, devicetree, linux-doc, aardelean, dlechner, jstephan,
nuno.sa, Guillaume Stols
Hi Guillaume,
kernel test robot noticed the following build warnings:
[auto build test WARNING on 465644ac29536d10178b5ca4684d0b84765b9fa4]
url: https://github.com/intel-lab-lkp/linux/commits/Guillaume-Stols/dt-bindings-iio-adc-ad7606-Remove-spi-cpha-from-required/20241015-215831
base: 465644ac29536d10178b5ca4684d0b84765b9fa4
patch link: https://lore.kernel.org/r/20241015-ad7606_add_iio_backend_support-v5-7-654faf1ae08c%40baylibre.com
patch subject: [PATCH v5 7/8] iio: adc: ad7606: Add iio-backend support
config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20241019/202410190802.CLaySBOq-lkp@intel.com/config)
compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241019/202410190802.CLaySBOq-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 <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202410190802.CLaySBOq-lkp@intel.com/
All warnings (new ones prefixed by >>):
>> drivers/iio/adc/ad7606_par.c:173:22: warning: unused variable 'back' [-Wunused-variable]
173 | struct iio_backend *back;
| ^~~~
1 warning generated.
vim +/back +173 drivers/iio/adc/ad7606_par.c
164
165 static int ad7606_par_probe(struct platform_device *pdev)
166 {
167 const struct ad7606_chip_info *chip_info;
168 const struct platform_device_id *id;
169 struct resource *res;
170 void __iomem *addr;
171 resource_size_t remap_size;
172 int irq;
> 173 struct iio_backend *back;
174
175 /*
176 * If a firmware node is available (ACPI or DT), platform_device_id is null
177 * and we must use get_match_data.
178 */
179 if (dev_fwnode(&pdev->dev)) {
180 chip_info = device_get_match_data(&pdev->dev);
181 if (device_property_present(&pdev->dev, "io-backends"))
182 /*
183 * If a backend is available ,call the core probe with backend
184 * bops, otherwise use the former bops.
185 */
186 return ad7606_probe(&pdev->dev, 0, NULL,
187 chip_info,
188 &ad7606_bi_bops);
189 } else {
190 id = platform_get_device_id(pdev);
191 chip_info = (const struct ad7606_chip_info *)id->driver_data;
192 }
193
194 irq = platform_get_irq(pdev, 0);
195 if (irq < 0)
196 return irq;
197
198 addr = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
199 if (IS_ERR(addr))
200 return PTR_ERR(addr);
201
202 remap_size = resource_size(res);
203
204 return ad7606_probe(&pdev->dev, irq, addr, chip_info,
205 remap_size > 1 ? &ad7606_par16_bops :
206 &ad7606_par8_bops);
207 }
208
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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