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Wed, 27 May 2026 11:42:59 -0700 (PDT) From: Wadim Mueller To: Cc: Jonathan Cameron , David Lechner , =?UTF-8?q?Nuno=20S=C3=A1?= , Andy Shevchenko , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Guenter Roeck , Jean Delvare , Andreas Klinger , Lars-Peter Clausen , linux-iio@vger.kernel.org, linux-hwmon@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Maxwell Doose Subject: [PATCH v2 0/3] iio: flow: Sensirion SLF3S liquid flow sensor Date: Wed, 27 May 2026 20:42:51 +0200 Message-ID: <20260527184257.141635-1-wafgo01@gmail.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260524205112.26638-1-wafgo01@gmail.com> References: <20260524205112.26638-1-wafgo01@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Hi all, v2 addresses the inline review feedback from Jonathan and Guenter on v1 (see https://lore.kernel.org/linux-iio/20260524205112.26638-1-wafgo01@gmail.com/). Per-patch replies have been sent in the v1 thread. The series is dropped from RFC: subsystem placement (iio/flow/), channel type (IIO_VOLUMEFLOW) and the new subdirectory have all been ACKed in v1. Changes since v1: * rename driver/binding from slf3x to slf3s (Jonathan -- the marketing family name is SLF3S) * fold MAINTAINERS entry into the dt-binding patch instead of a separate 4/4 patch (Jonathan) * add SLF3S-1300F support (Guenter) * dt-binding: split the single "sensirion,slf3s" compatible into per-variant compatibles (-0600F, -1300F, -4000B) with a generic fallback (Jonathan) * dt-binding: add optional interrupts property (Guenter -- bindings describe the hardware, not the current driver) * driver: seed the variant from DT via i2c_get_match_data() instead of probing the sensor first (Jonathan) * driver: detect_variant() now trusts the DT-supplied variant and only emits dev_dbg() on a sub_type/family mismatch (Jonathan) * driver: per-instance crc8_populate_msb() rather than a global crc table (Jonathan) * driver: declare cmd as const u8 [static 2] in slf3s_send_cmd() (Jonathan) * driver: switch to fsleep() and sign_extend32() helpers (Jonathan) * driver: use named initialisers for slf3s_variants[] entries (Jonathan) * driver: unsigned int loop counters (Jonathan) * Kconfig: tab-indented bulleted list of supported parts (Jonathan) * ABI sysfs doc: _scale entry folded into the shared block, _raw block kept with its own KernelVersion (Guenter) * re-checked all scale factors against the SLF3S datasheets (Table 16 for -0600F, Table 15 for -1300F and -4000B) Patches: 1/3 iio: types: add IIO_VOLUMEFLOW channel type 2/3 dt-bindings: iio: flow: add sensirion,slf3s binding 3/3 iio: flow: add Sensirion SLF3S liquid flow sensor driver Tested with an SLF3S-0600F on a TI AM64x platform; W=1 build clean, checkpatch --strict clean, dt_binding_check clean. Thanks, Wadim Wadim Mueller (3): iio: types: add IIO_VOLUMEFLOW channel type dt-bindings: iio: flow: add Sensirion SLF3S liquid flow sensor iio: flow: add Sensirion SLF3S liquid flow sensor driver Documentation/ABI/testing/sysfs-bus-iio | 11 + .../bindings/iio/flow/sensirion,slf3s.yaml | 68 ++++ MAINTAINERS | 8 + drivers/iio/Kconfig | 1 + drivers/iio/Makefile | 1 + drivers/iio/flow/Kconfig | 27 ++ drivers/iio/flow/Makefile | 7 + drivers/iio/flow/slf3s.c | 345 ++++++++++++++++++ drivers/iio/industrialio-core.c | 1 + include/uapi/linux/iio/types.h | 1 + tools/iio/iio_event_monitor.c | 2 + 11 files changed, 472 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/flow/sensirion,slf3s.yaml create mode 100644 drivers/iio/flow/Kconfig create mode 100644 drivers/iio/flow/Makefile create mode 100644 drivers/iio/flow/slf3s.c -- 2.52.0