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 E0A3A268688; Tue, 21 Oct 2025 19:56:43 +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=1761076604; cv=none; b=XFMQnbdOhFZ3R3P8LhD8DmMw5w6wUOPJfNAsOXwrgc0S9dLjZPjJsX29bXHF7tK/jutCgV5qJOfJt0gIP1edJofOfXAbsnruoTQx1A/3pYLOferC7wzqw8arFO8mjPLhW4CjxZ1Yss1zooRmpCZqH21nKk09f/x7ahFyCP5Tazw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761076604; c=relaxed/simple; bh=GcpWNeFivdp1eznU3eQz6nXCH0L01Vi0wx2yNHrIeIo=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=pg1KWxY6vq3toPLIg/gRRIqyeK+Ls+/MZ70fZ1NXTdO7yfuNGRcrO9ISwM94FcBRsDZhvoewq3qNNCtEtQc+uISaCuVkI+Izt8uMSgZ0KmZjz3debb9JJ67yDm+8DHlOOddtH7TdxL/Uv53uYDJ30cDZoh9joXHXujcbw5XuvoU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=imF1CDGQ; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="imF1CDGQ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 48A71C4CEF1; Tue, 21 Oct 2025 19:56:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1761076603; bh=GcpWNeFivdp1eznU3eQz6nXCH0L01Vi0wx2yNHrIeIo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=imF1CDGQ0ICqRs+wPRA0GRZ3dW1GzchZ5JMwAevxj1mSKd8aBSMcKeu9aSHVBKWAL oMjgbPufMwTBbH4WPpRbLphyk8JUfoFDeiFlQ7olE14ReXlgZaIKo3b99zq2dni9Ci 7sC9nd9TogEOoS+WseV391nuBxQCLmXzB25ngvVk= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Jean-Baptiste Maneyrol , Jonathan Cameron , Sasha Levin Subject: [PATCH 6.6 085/105] iio: imu: inv_icm42600: reorganize DMA aligned buffers in structure Date: Tue, 21 Oct 2025 21:51:34 +0200 Message-ID: <20251021195023.668840108@linuxfoundation.org> X-Mailer: git-send-email 2.51.1 In-Reply-To: <20251021195021.492915002@linuxfoundation.org> References: <20251021195021.492915002@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: Jean-Baptiste Maneyrol [ Upstream commit 0c122c280e78150b0c666fb69db0000cdd1d7e0a ] Move all DMA aligned buffers together at the end of the structure. 1. Timestamp anynomous structure is not used with DMA so it doesn't belong after __aligned(IIO_DMA_MINALIGN). 2. struct inv_icm42600_fifo contains it's own __aligned(IIO_DMA_MINALIGN) within it at the end so it should not be after __aligned(IIO_DMA_MINALIGN) in the outer struct either. 3. Normally 1 would have been considered a bug, but because of the extra alignment from 2, it actually was OK, but we shouldn't be relying on such quirks. Signed-off-by: Jean-Baptiste Maneyrol Link: https://patch.msgid.link/20250630-losd-3-inv-icm42600-add-wom-support-v6-1-5bb0c84800d9@tdk.com Signed-off-by: Jonathan Cameron Stable-dep-of: 466f7a2fef2a ("iio: imu: inv_icm42600: Avoid configuring if already pm_runtime suspended") Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- drivers/iio/imu/inv_icm42600/inv_icm42600.h | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) --- a/drivers/iio/imu/inv_icm42600/inv_icm42600.h +++ b/drivers/iio/imu/inv_icm42600/inv_icm42600.h @@ -126,9 +126,9 @@ struct inv_icm42600_suspended { * @suspended: suspended sensors configuration. * @indio_gyro: gyroscope IIO device. * @indio_accel: accelerometer IIO device. - * @buffer: data transfer buffer aligned for DMA. - * @fifo: FIFO management structure. * @timestamp: interrupt timestamps. + * @fifo: FIFO management structure. + * @buffer: data transfer buffer aligned for DMA. */ struct inv_icm42600_state { struct mutex lock; @@ -142,12 +142,12 @@ struct inv_icm42600_state { struct inv_icm42600_suspended suspended; struct iio_dev *indio_gyro; struct iio_dev *indio_accel; - u8 buffer[2] __aligned(IIO_DMA_MINALIGN); - struct inv_icm42600_fifo fifo; struct { s64 gyro; s64 accel; } timestamp; + struct inv_icm42600_fifo fifo; + u8 buffer[2] __aligned(IIO_DMA_MINALIGN); }; /* Virtual register addresses: @bank on MSB (4 upper bits), @address on LSB */