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Wed, 22 Jul 2026 01:50:15 -0700 (PDT) From: Brigham Campbell Subject: [PATCH v5 0/2] i2c-tools: Make tools accept bus path Date: Wed, 22 Jul 2026 02:52:39 -0600 Message-Id: <20260722-accept-device-path-v5-0-9c0bf9b4da26@brighamcampbell.com> Precedence: bulk X-Mailing-List: linux-i2c@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-B4-Tracking: v=1; b=H4sIAAAAAAAC/32Nyw6CMBQFf4V0bU0ptIAr/8O4aC8XqOHRtJVoC P9uwYUb4nKSOXMW4tEZ9OSSLMThbLyZxgjilBDo1NgiNXVkwhmXTGSMKgC0gdbRBaRWhY6KrEp lDhWkdUPi0DpszGuP3u5f9k/9QAhbaTM648Pk3vvrnG3e34M5o4xyBizVZSMLLq/ambZTA6jBa uz7M0wD2a7m/BcrmDiM5TEGkoNSBStVhcexdV0/FQXgfB0BAAA= X-Change-ID: 20260530-accept-device-path-539164c9c1df To: Jean Delvare , linux-i2c@vger.kernel.org Cc: Wolfram Sang , Brigham Campbell , =?utf-8?q?Gero_Schw=C3=A4ricke?= X-Mailer: b4 0.15.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=1599; i=me@brighamcampbell.com; h=from:subject:message-id; bh=GPLlRbLJnYXKj41dySc/bLm2yeMD3rDpzLmM+aJJhxI=; b=owGbwMvMwCUWLsWS0KCyxZPxtFoSQ1ZCy7MP6WfLU5Y6+u6e/0/m576HrpX7T7bm3vx9VGLx2 eOn9q6Y1lHKwiDGxSArpsiicmuW+sXJ1o8ORvBPgJnDygQyhIGLUwAmwifByDA5dmfo5XvKbw5b bGSYuSTCPNbXL8uXP9n8ZJjg1irT3OsM/1Pdvds7o3Nu5/jya6iEvr78Zd5jjvvegZuupgWcUec M4wQA X-Developer-Key: i=me@brighamcampbell.com; a=openpgp; fpr=24DA9A27D1933BE2C1580F90571A04608024B449 The purpose of this series is to make i2c-tools userspace utilities accept an i2c bus character device file path as an argument. This is useful, for example, if a sysadmin creates udev rules to create a persistent symlink to an i2c bus and wishes to use that symlink with i2c-tools. Since v1: * Scrapped brittle checking against device major number 89 in favor of an i2c_bus_hint variant struct. Since v2: * Scrapped i2c_bus_hint variant in favor of combining the lookup and open steps into one function. No more awkward variant. Since v3: * Rebased onto `master` and fixed minor conflicts. Since v4: * Inline much of the functionality of open_i2c_dev. * Where possible, make functions static. Signed-off-by: Brigham Campbell --- Brigham Campbell (2): i2c-tools: Allow passing device file paths i2c-tools: Document device paths as I2CBUS arg tools/i2cbusses.c | 127 ++++++++++++++++++++++++++++++---------------------- tools/i2cbusses.h | 3 +- tools/i2cdetect.8 | 8 ++-- tools/i2cdetect.c | 14 +++--- tools/i2cdump.8 | 7 +-- tools/i2cdump.c | 14 +++--- tools/i2cget.8 | 9 ++-- tools/i2cget.c | 13 +++--- tools/i2cset.8 | 12 ++--- tools/i2cset.c | 13 +++--- tools/i2ctransfer.8 | 2 +- tools/i2ctransfer.c | 13 +++--- 12 files changed, 120 insertions(+), 115 deletions(-) --- base-commit: 5852f5375eea6ca9dabf31f4772cb8b8ecc905d8 change-id: 20260530-accept-device-path-539164c9c1df Thanks! -- Brigham Campbell https://brighamcampbell.com