From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 84A502BD11; Sun, 8 Mar 2026 06:27:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772951267; cv=none; b=tSHJqVh2pqgT70crtxfg+fbsV4eTQLMUlnSX5J1tmqpDw5j+kqoOeuhx4Hk07xM4r+EZRUV+AJHp9hc1FM48Ltc/b15LjLIrkKA3CDQUwVwRgz2/fUktz0V5gmIlexr25BDhL5tWfrvyNmuQAqhVc8RLcGTaCShO1JK0GQHII5Y= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772951267; c=relaxed/simple; bh=x+5oBETJCIhKD/G4vbt1bz5h6D/Psa7OJAz2mIkVAhU=; h=From:Subject:Date:Message-Id:MIME-Version:Content-Type:To:Cc; b=o8hMWuTfQu+osJOhzWmPXbw5B+m6j2thtq0Y/Azcz4YOAVPjoJPbdJs4+0awusrZAlGu/GK9ojssSgBI/oHeR/3WEI8AdjI3fge6wPLNK5qJiYSfOMdjZe2wXZJoRK3MzfE1gfw+0sabEC1R0NU0j2PIrhOVWirg4kDZmxvBaD0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=jNWnnSfW; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="jNWnnSfW" Received: by smtp.kernel.org (Postfix) with ESMTPS id 16C3EC116C6; Sun, 8 Mar 2026 06:27:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772951267; bh=x+5oBETJCIhKD/G4vbt1bz5h6D/Psa7OJAz2mIkVAhU=; h=From:Subject:Date:To:Cc:Reply-To:From; b=jNWnnSfWo3Ae3mdAQOlvDUWSAMfGWQImf7Yihrrwp+bxRlRyuL3mp4Zx6l4P6Zrgm KT8eeGACxOZ5e7rEIS0Rk7IO7+FI9CZTfoGjpdKiJW0mkcyf1IlHZPSfl5y7KLGZyB xgejnq3s4N4zr76lzhjC7u4GPM3CUOoCpLZOmQ0/0b3pJpBfHNhwe7XnUTjG/FVH1E EEDM/cVgGloSKPEkC+MkoDDmrqZjlBkufuYQaXqyPdzLswP1b+QqemBcfJ0VbvpQAu Js9qPkIkXoKADSobND+eRcyUHeVsgJ+EzcqjvogCP0ZETghRX+bLiwPnf+633G6Xly 7hoSS51YS8mZQ== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 01EAAF55109; Sun, 8 Mar 2026 06:27:46 +0000 (UTC) From: Manivannan Sadhasivam via B4 Relay Subject: [PATCH v5 0/5] soc: qcom: ice: Fix race between qcom_ice_probe() and of_qcom_ice_get() Date: Sun, 08 Mar 2026 11:57:26 +0530 Message-Id: <20260308-qcom-ice-fix-v5-0-e47e8a44b6c4@oss.qualcomm.com> 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="utf-8" Content-Transfer-Encoding: 7bit X-B4-Tracking: v=1; b=H4sIAM4WrWkC/3XOTQ6CMBAF4KuQri0Zpj+IK+9hXJS2SBMBoUo0h Ls7sNEQ3UzyXma+zMSiH4KP7JBMbPBjiKFrKahdwmxt2ovnwVFmCKgBM+C97RoerOdVeHKHRhi QqhToGJ3cBk/1yp3OlOsQ793wWvURl/YPNCIHXtjMlMppBWiPXYxp/zBX2mpSGmzxRvFloNgYg gxtjdpLLbCo8j+G/BgCcGNIMsBrlUswytlff8zz/AbjMpVqNwEAAA== X-Change-ID: 20260210-qcom-ice-fix-d2a3a045b32d To: Bjorn Andersson , Konrad Dybcio , Adrian Hunter , Ulf Hansson , Manivannan Sadhasivam , "James E.J. Bottomley" , "Martin K. Petersen" , Abel Vesa , Abel Vesa Cc: linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mmc@vger.kernel.org, linux-scsi@vger.kernel.org, Sumit Garg , mani@kernel.org, Neeraj Soni , Manivannan Sadhasivam , stable@vger.kernel.org, Konrad Dybcio X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=2153; i=manivannan.sadhasivam@oss.qualcomm.com; h=from:subject:message-id; bh=x+5oBETJCIhKD/G4vbt1bz5h6D/Psa7OJAz2mIkVAhU=; b=owEBbQGS/pANAwAKAVWfEeb+kc71AcsmYgBprRbgIjxlREu2N3Oxerz1F9yhh7jyZHQc5N16l tvwB7MMBvKJATMEAAEKAB0WIQRnpUMqgUjL2KRYJ5dVnxHm/pHO9QUCaa0W4AAKCRBVnxHm/pHO 9dyyB/93wf6GMc4BczXT9iqaup4Keirysld8TVVwloGUzTO1C15URXSemhc9cLglxFps2Z/YupN iJSNH7ajHi9B7My4XwLRwt6HiNig0twur2b9iuM5/g8/s4OKxBWL+x2DP/5QEcnruoDjMOYwzcE 09Q4x9L3RsA1suy4VOWwcwzsxOO85zb2mNl0H4sOxY2wMPQxdLxA29OWiYV9n7DLaP3nITgxrtc buOoTRj55bEODjI1zBTqN4N2yMb0Dw923JfhELEC91VpIYz+HWApIoDbVjr8is6WxSYw46BcLIC tANvJN28Cdz9LTWdp8s256y5sO+Z7uX3f1HXUvEjLXlKWmQX X-Developer-Key: i=manivannan.sadhasivam@oss.qualcomm.com; a=openpgp; fpr=C668AEC3C3188E4C611465E7488550E901166008 X-Endpoint-Received: by B4 Relay for manivannan.sadhasivam@oss.qualcomm.com/default with auth_id=461 X-Original-From: Manivannan Sadhasivam Reply-To: manivannan.sadhasivam@oss.qualcomm.com Hi, This series fixes the race betwen qcom_ice_probe() and of_qcom_ice_get() but synchronizing the two APIs and properly propagating the error codes to clients. Merge Strategy ============== Due to dependency, all patches should go through Qcom SoC tree. Signed-off-by: Manivannan Sadhasivam --- Changes in v5: - Used Xarray instead of platform drvdata for passing the pointer since driver core frees drvdata on probe failure. - Link to v4: https://lore.kernel.org/r/20260302-qcom-ice-fix-v4-0-0e65740a5dcc@oss.qualcomm.com Changes in v4: - For supporting multi-ice instances in a SoC, stored the err ptr in platform drvdata instead of in a global pointer. - Link to v3: https://lore.kernel.org/r/20260223-qcom-ice-fix-v3-0-6ca5846329f7@oss.qualcomm.com Changes in v3: - Dropped the platform driver removal patch and used the ice_handle to pass error codes. This was done as I learned that we need to have the platform driver design going forward and also removing it introduces other issues. - Link to v2: https://lore.kernel.org/r/20260210-qcom-ice-fix-v2-0-9c1ab5d6502c@oss.qualcomm.com Changes in v2: - Added MODULE_* macros back - Removed spurious platform_device_put() - Added patches to remove NULL return --- Manivannan Sadhasivam (5): soc: qcom: ice: Fix race between qcom_ice_probe() and of_qcom_ice_get() soc: qcom: ice: Return -ENODEV if the ICE platform device is not found soc: qcom: ice: Return proper error codes from devm_of_qcom_ice_get() instead of NULL mmc: sdhci-msm: Remove NULL check from devm_of_qcom_ice_get() scsi: ufs: ufs-qcom: Remove NULL check from devm_of_qcom_ice_get() drivers/mmc/host/sdhci-msm.c | 10 ++++----- drivers/soc/qcom/ice.c | 49 ++++++++++++++++++++++++++++++++------------ drivers/ufs/host/ufs-qcom.c | 10 ++++----- 3 files changed, 46 insertions(+), 23 deletions(-) --- base-commit: 6de23f81a5e08be8fbf5e8d7e9febc72a5b5f27f change-id: 20260210-qcom-ice-fix-d2a3a045b32d Best regards, -- Manivannan Sadhasivam