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Mon, 14 Jul 2025 13:21:19 -0700 (PDT) Received: from localhost ([2603:8080:b800:f700:6bb2:d90f:e5da:befc]) by smtp.gmail.com with ESMTPSA id 5614622812f47-4141cb795c4sm1644290b6e.47.2025.07.14.13.21.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 14 Jul 2025 13:21:18 -0700 (PDT) Date: Mon, 14 Jul 2025 23:21:17 +0300 From: Dan Carpenter To: oe-kbuild@lists.linux.dev, Remi Buisson via B4 Relay , Jonathan Cameron , David Lechner , Nuno =?iso-8859-1?Q?S=E1?= , Andy Shevchenko , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: lkp@intel.com, oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, linux-iio@vger.kernel.org, devicetree@vger.kernel.org, Remi Buisson Subject: Re: [PATCH v2 5/8] iio: imu: inv_icm45600: add I2C driver for inv_icm45600 driver Message-ID: <9d091fe4-3068-4e8b-8a9c-49c25036a216@suswa.mountain> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250710-add_newport_driver-v2-5-bf76d8142ef2@tdk.com> Hi Remi, kernel test robot noticed the following build warnings: url: https://github.com/intel-lab-lkp/linux/commits/Remi-Buisson-via-B4-Relay/dt-bindings-iio-imu-Add-inv_icm45600/20250710-170143 base: f8f559752d573a051a984adda8d2d1464f92f954 patch link: https://lore.kernel.org/r/20250710-add_newport_driver-v2-5-bf76d8142ef2%40tdk.com patch subject: [PATCH v2 5/8] iio: imu: inv_icm45600: add I2C driver for inv_icm45600 driver config: s390-randconfig-r073-20250712 (https://download.01.org/0day-ci/archive/20250713/202507130115.7g0XWB2E-lkp@intel.com/config) compiler: clang version 21.0.0git (https://github.com/llvm/llvm-project 01c97b4953e87ae455bd4c41e3de3f0f0f29c61c) 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 | Reported-by: Dan Carpenter | Closes: https://lore.kernel.org/r/202507130115.7g0XWB2E-lkp@intel.com/ smatch warnings: drivers/iio/imu/inv_icm45600/inv_icm45600_gyro.c:121 inv_icm45600_gyro_update_scan_mode() error: uninitialized symbol 'sleep'. drivers/iio/imu/inv_icm45600/inv_icm45600_accel.c:123 inv_icm45600_accel_update_scan_mode() error: uninitialized symbol 'sleep'. vim +/sleep +121 drivers/iio/imu/inv_icm45600/inv_icm45600_gyro.c 1fb5c2bf7348d0 Remi Buisson 2025-07-10 93 static int inv_icm45600_gyro_update_scan_mode(struct iio_dev *indio_dev, 1fb5c2bf7348d0 Remi Buisson 2025-07-10 94 const unsigned long *scan_mask) 1fb5c2bf7348d0 Remi Buisson 2025-07-10 95 { 1fb5c2bf7348d0 Remi Buisson 2025-07-10 96 struct inv_icm45600_state *st = iio_device_get_drvdata(indio_dev); 1fb5c2bf7348d0 Remi Buisson 2025-07-10 97 struct inv_icm45600_sensor_state *gyro_st = iio_priv(indio_dev); 1fb5c2bf7348d0 Remi Buisson 2025-07-10 98 struct inv_icm45600_sensor_conf conf = INV_ICM45600_SENSOR_CONF_INIT; 1fb5c2bf7348d0 Remi Buisson 2025-07-10 99 unsigned int fifo_en = 0; 1fb5c2bf7348d0 Remi Buisson 2025-07-10 100 unsigned int sleep; 1fb5c2bf7348d0 Remi Buisson 2025-07-10 101 int ret; 1fb5c2bf7348d0 Remi Buisson 2025-07-10 102 1fb5c2bf7348d0 Remi Buisson 2025-07-10 103 scoped_guard(mutex, &st->lock) { 1fb5c2bf7348d0 Remi Buisson 2025-07-10 104 if (*scan_mask & BIT(INV_ICM45600_GYRO_SCAN_TEMP)) 1fb5c2bf7348d0 Remi Buisson 2025-07-10 105 fifo_en |= INV_ICM45600_SENSOR_TEMP; 1fb5c2bf7348d0 Remi Buisson 2025-07-10 106 1fb5c2bf7348d0 Remi Buisson 2025-07-10 107 if (*scan_mask & (BIT(INV_ICM45600_GYRO_SCAN_X) | 1fb5c2bf7348d0 Remi Buisson 2025-07-10 108 BIT(INV_ICM45600_GYRO_SCAN_Y) | 1fb5c2bf7348d0 Remi Buisson 2025-07-10 109 BIT(INV_ICM45600_GYRO_SCAN_Z))) { 1fb5c2bf7348d0 Remi Buisson 2025-07-10 110 /* enable gyro sensor */ 1fb5c2bf7348d0 Remi Buisson 2025-07-10 111 conf.mode = gyro_st->power_mode; 1fb5c2bf7348d0 Remi Buisson 2025-07-10 112 ret = inv_icm45600_set_gyro_conf(st, &conf, &sleep); sleep isn't necessarily set if nothing changed. 1fb5c2bf7348d0 Remi Buisson 2025-07-10 113 if (ret) 1fb5c2bf7348d0 Remi Buisson 2025-07-10 114 return ret; 1fb5c2bf7348d0 Remi Buisson 2025-07-10 115 fifo_en |= INV_ICM45600_SENSOR_GYRO; 1fb5c2bf7348d0 Remi Buisson 2025-07-10 116 } 1fb5c2bf7348d0 Remi Buisson 2025-07-10 117 /* update data FIFO write */ 1fb5c2bf7348d0 Remi Buisson 2025-07-10 118 ret = inv_icm45600_buffer_set_fifo_en(st, fifo_en | st->fifo.en); 1fb5c2bf7348d0 Remi Buisson 2025-07-10 119 } 1fb5c2bf7348d0 Remi Buisson 2025-07-10 120 /* sleep required time */ 1fb5c2bf7348d0 Remi Buisson 2025-07-10 @121 if (sleep) 1fb5c2bf7348d0 Remi Buisson 2025-07-10 122 msleep(sleep); 1fb5c2bf7348d0 Remi Buisson 2025-07-10 123 1fb5c2bf7348d0 Remi Buisson 2025-07-10 124 return ret; 1fb5c2bf7348d0 Remi Buisson 2025-07-10 125 } -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki