From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pg1-f179.google.com (mail-pg1-f179.google.com [209.85.215.179]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3E0D1404896 for ; Mon, 18 May 2026 12:28:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.215.179 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779107316; cv=none; b=K1PoVU/MXLgdfmJA6kA7XCZyRTGDxUKfSLSmsyzyd7xGO4eq94y/Qu9GvVx7rTLz0Nb3FJDh2m9CuFxUq+UccogTpN5uotO4RPlDgNEzViEPEQ1KLYtsO38sMwgbIwyDB2SMiw6QYqUDFaEPBhvjdDCEtMsh+TRL9WoWkU+GgZU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779107316; c=relaxed/simple; bh=1ybKlwammGmDtK2LUbGag/NDL4ZS2QmVDl8lR6xNa+k=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version:Content-Type; b=KjCPU0Q5sXU1/t1lMCjDcwfnD5Rfjw6MvdoTlJq3EJL1Id3B4tRxpFEp6ObFqLe6MUmsp9f4vuOPuCZfl4BBu9bYxCQCdggkF3V34g19At6EekD2pQF5I5guTE4y+h8CfWCnvlNRjBy9lNfQ5A8kULnRhw6L+xhkc3gitB/Rmis= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=avxt0YVb; arc=none smtp.client-ip=209.85.215.179 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="avxt0YVb" Received: by mail-pg1-f179.google.com with SMTP id 41be03b00d2f7-c80227b1f6cso748215a12.1 for ; Mon, 18 May 2026 05:28:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1779107314; x=1779712114; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=c/qCgc+4mUjMLRI/598MkfZu+KxmtkC92/pg9a3hb/M=; b=avxt0YVblNa045y12DGDTHmLCjawAOWaPhTGyBPsmHdGuScq6uQIbjE54X5uqFQp7L RpSXvKSdJVTmutNfzf05KhXvdGBDisYclHHzoCzWrZrDJTA1SZBss93wZtBNCwvdF9gw dwwNh87SlVxRB/cD459Ncn+EgxVrtdzNVfWpRGZdJj6kWcpVWvcBwCrcP/PQ6pvoOkKg fI0uKZoH0gRrUBBehKLLObjMfEuSVTNeiZynvLx2+3XY5K+0wENWD6t584BS6/dictrY zJ43t0npIzNC3izD8m+GDoXSlenbkbdsKY5q1mZ4fivS9fqlIFLgILCmcyHcQWh3phB6 NI2w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1779107314; x=1779712114; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=c/qCgc+4mUjMLRI/598MkfZu+KxmtkC92/pg9a3hb/M=; b=ONiliKscNveoo7CXCo3nRxThKLay2iKEOx1qPh4f0SJ/gTTi+0PUph6pOfVkDWVPHP s3v+4us4NSUAlmHPnFmMrxE8TlRFOpb8uzpmDF5o2kNalfaiLqJNjXxH1BVAX2sSKqB4 Flen+wPs2Ccw7uVWTJhawwXiCf3sQW90oVUHmiJ/ekseu97gkD6CS5P8p3rGwjBBB3l5 4nGmgjePw8+AaR1HDL9W+pacmeeiGbCcXGHIyuSgEuWWEoFvtYl2XbgTWW/ZOLDy/hvR 6obKrh3h1zUrmHW4SwvQ8o0DyNz7du9fXmahrHcUlC4Mz0GjwbijzNX+IfXP5VLJYbl1 WfaQ== X-Gm-Message-State: AOJu0YxLubaAWFaxXAHx9nFN3vqYK/TXwhbeaKNWFAcQWxgdZhkrL/1h eyMXXY3b0M0w/+cnX3R+QIQu+HkOnyWaXtbhnB93oAkSDu6N/q/CNxrO X-Gm-Gg: Acq92OH5rT3VsKKIARGOlQJ1Tyfwn5KPISr3b/tCuOBEpQzTXgZlXXByK1eshy66SAe xnmWW3+c1N2HgIzzEvqsvLjGGLU06j9UxMj7JFUyNCiXKnpJesm652oRNC5/8auDn/LChWqnf64 /hH8/pDjgUIgRuKT0RzpJCHLQwiArNSKhfp/AtbUPEtwuqGaVv0Wz9ohHCKOxxJa2mPH2GtS+z3 1//woiVDZ/hReTFNyMiIQKJ4Ax2ARWxRUcy/gwOz/8nbBahlvCJeciA9gD8sUV18QY4X2YUHtq0 52iB6JGY3XeTsw7z/WZ/Up8PddbX8HcR8A0YHUV4hIk18UVBGrQ/8NwD8EAwsAM/AYYo6SA5Ybc TEMm5d7MAmqdaUatSTtzq2HgNBOhjKYhflTCGZqOrOv0OcbM1GYDc9+lZ7hZ6iUvQFEeOS5cUgc RwvQ3p35FqRcdXlj4XCGtUwJBW7DcGVdq+LIY0/vGb+lkcK/5WSh6USqxDmTv7PSu2TtC2r9Svu qMkc5XQ7VeEdp4MTR9f+PEhyn8fxHvgMNw5s4EXF4fMghBcTglYDxsZ362K404l X-Received: by 2002:a05:6a20:430b:b0:398:9b42:69f7 with SMTP id adf61e73a8af0-3b22ec72085mr15778694637.39.1779107314447; Mon, 18 May 2026 05:28:34 -0700 (PDT) Received: from hardik-yoga ([2401:4900:1c65:166e:af67:d4b8:e4e0:1695]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-83f19664a59sm14650472b3a.1.2026.05.18.05.28.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 18 May 2026 05:28:34 -0700 (PDT) From: Hardik Prakash To: linux-i2c@vger.kernel.org Cc: linux-gpio@vger.kernel.org, wsa@kernel.org, andriy.shevchenko@intel.com, mario.limonciello@amd.com, brgl@bgdev.pl, basavaraj.natikar@amd.com, linus.walleij@linaro.org, Hardik Prakash Subject: [PATCH v5 0/1] i2c: designware: fix probe ordering for AMD GPIO on Lenovo Yoga 7 14AGP11 Date: Mon, 18 May 2026 17:58:12 +0530 Message-ID: <20260518122814.8975-1-hardikprakash.official@gmail.com> X-Mailer: git-send-email 2.54.0 Precedence: bulk X-Mailing-List: linux-gpio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Patch 1/2 (pinctrl-amd GPIO IRQ fix) is already in Linus Walleij's tree. This series contains only the i2c-designware probe ordering fix, based on top of that commit. The root cause: i2c_designware probes AMDI0010:02 before pinctrl-amd completes, so GPIO 157 (WACF2200 GpioInt per ACPI _CRS) has its interrupt bits cleared when the first I2C transaction is attempted, causing lost arbitration errors. A higher-level ACPI devlink approach was investigated in response to Bartosz Golaszewski's suggestion. The DSDT has no _DEP object linking AMDI0010:02 to AMDI0030:00, so fw_devlink has nothing to act on. Setting this up at the ACPI layer would require either a firmware change to add _DEP, or a DMI quirk in the ACPI scan path — equally quirk-based as the current approach. v5: - Add blank line before #include (Bartosz Golaszewski) - Use scoped_guard(device, gpio_dev) (Bartosz Golaszewski) v4: - Rebase onto Linus Walleij's tree (patch 1 already there) - Use --base so series is correctly 1/1 (Andy Shevchenko) - Add subsys_initcall test results (Mario Limonciello) v3: - Fix variable declaration style in dw_i2c_needs_amd_gpio_dep (Andy Shevchenko) - Add BugLink tag (Andy Shevchenko) - Add -v3 subject versioning (Andy Shevchenko) - CC AMD engineers (Andy Shevchenko) v2: - Replace custom HID/UID lookup with acpi_dev_get_first_match_dev() (Andy Shevchenko) - Use acpi_get_first_physical_node() for platform device lookup - Use device_is_bound() under device_lock() with explanatory comments - Fix dev_warn to use dev_name() instead of hardcoded suffix - Fix commit message (removed incorrect "existing" reference) - Add Assisted-by tags per coding-assistants.rst Kernel bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=221494 Related: https://bugzilla.kernel.org/show_bug.cgi?id=221454 Hardik Prakash (1): i2c: designware: fix probe ordering for AMD GPIO on Lenovo Yoga 7 14AGP11 drivers/i2c/busses/i2c-designware-platdrv.c | 76 +++++++++++++++++++++ 1 file changed, 76 insertions(+) base-commit: 3812a9e84265a5cdd90d29fe8d97a023e91fb945