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 6F5071C07FE for ; Mon, 13 Jan 2025 09:58:06 +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=1736762287; cv=none; b=UTiIYJu6BLbyPZUm2qiNdABeFlxcciTvp+0ej18/Bc04usWqy+so3oCzmOi3Vg0Y7D4Zifst1oVze592AneM6+GqaCs7wTUlNDfkJYZvOY6/HUYTuqY5381JeVLNRSbHdH8FTL97WhDUlziAY/adTAUb4xgYkD+GwsA9uTe21Z0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736762287; c=relaxed/simple; bh=hOzKggnKZg4Dt9gUaLcRdryP38YYwcUK2OiVwP7YoH4=; h=Subject:To:Cc:From:Date:Message-ID:MIME-Version:Content-Type; b=eYd9xVKISGTP3Y+2zFQovbVtHH3Sl7Dj3+OP8HWT7S/YC2J3IsWZOZWEDe6TOGUfpQzgw0nbtFITrFgFBgM89u6n2W3H0w/fe30m13Bsr+NZkaxar0m98yL1trKS4S0FwusO6kXEMuyy6Wae8deziblKBQ974JJLdiMHqNh7Egc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=Fkhj1E0x; 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="Fkhj1E0x" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A8887C4CED6; Mon, 13 Jan 2025 09:58:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1736762286; bh=hOzKggnKZg4Dt9gUaLcRdryP38YYwcUK2OiVwP7YoH4=; h=Subject:To:Cc:From:Date:From; b=Fkhj1E0xl6GlKzSaCUvFc0phF8gxHs9gfoNcJJwMfqZwlZ2zXomE8j2y5Mqz4bwOy 0ebBOsgJt+wJ3ZvNa9BiFi6BVm6nBscwpO73cBhOXNvARLSiPo6TN7O7cM/sm2Jdkz Mso6mK5Q7OTKROKwxXsKhco9RkqiyoOvvZOAIrh0= Subject: FAILED: patch "[PATCH] iio: imu: inv_icm42600: fix spi burst write not supported" failed to apply to 5.15-stable tree To: jean-baptiste.maneyrol@tdk.com,Jonathan.Cameron@huawei.com Cc: From: Date: Mon, 13 Jan 2025 10:57:48 +0100 Message-ID: <2025011348-amaretto-wasabi-3e96@gregkh> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit The patch below does not apply to the 5.15-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to . To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-5.15.y git checkout FETCH_HEAD git cherry-pick -x c0f866de4ce447bca3191b9cefac60c4b36a7922 # git commit -s git send-email --to '' --in-reply-to '2025011348-amaretto-wasabi-3e96@gregkh' --subject-prefix 'PATCH 5.15.y' HEAD^.. Possible dependencies: thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >From c0f866de4ce447bca3191b9cefac60c4b36a7922 Mon Sep 17 00:00:00 2001 From: Jean-Baptiste Maneyrol Date: Tue, 12 Nov 2024 10:30:10 +0100 Subject: [PATCH] iio: imu: inv_icm42600: fix spi burst write not supported Burst write with SPI is not working for all icm42600 chips. It was only used for setting user offsets with regmap_bulk_write. Add specific SPI regmap config for using only single write with SPI. Fixes: 9f9ff91b775b ("iio: imu: inv_icm42600: add SPI driver for inv_icm42600 driver") Cc: stable@vger.kernel.org Signed-off-by: Jean-Baptiste Maneyrol Link: https://patch.msgid.link/20241112-inv-icm42600-fix-spi-burst-write-not-supported-v2-1-97690dc03607@tdk.com Signed-off-by: Jonathan Cameron diff --git a/drivers/iio/imu/inv_icm42600/inv_icm42600.h b/drivers/iio/imu/inv_icm42600/inv_icm42600.h index 3a07e43e4cf1..18787a43477b 100644 --- a/drivers/iio/imu/inv_icm42600/inv_icm42600.h +++ b/drivers/iio/imu/inv_icm42600/inv_icm42600.h @@ -403,6 +403,7 @@ struct inv_icm42600_sensor_state { typedef int (*inv_icm42600_bus_setup)(struct inv_icm42600_state *); extern const struct regmap_config inv_icm42600_regmap_config; +extern const struct regmap_config inv_icm42600_spi_regmap_config; extern const struct dev_pm_ops inv_icm42600_pm_ops; const struct iio_mount_matrix * diff --git a/drivers/iio/imu/inv_icm42600/inv_icm42600_core.c b/drivers/iio/imu/inv_icm42600/inv_icm42600_core.c index 561d245c1d64..e43538e536f0 100644 --- a/drivers/iio/imu/inv_icm42600/inv_icm42600_core.c +++ b/drivers/iio/imu/inv_icm42600/inv_icm42600_core.c @@ -87,6 +87,21 @@ const struct regmap_config inv_icm42600_regmap_config = { }; EXPORT_SYMBOL_NS_GPL(inv_icm42600_regmap_config, "IIO_ICM42600"); +/* define specific regmap for SPI not supporting burst write */ +const struct regmap_config inv_icm42600_spi_regmap_config = { + .name = "inv_icm42600", + .reg_bits = 8, + .val_bits = 8, + .max_register = 0x4FFF, + .ranges = inv_icm42600_regmap_ranges, + .num_ranges = ARRAY_SIZE(inv_icm42600_regmap_ranges), + .volatile_table = inv_icm42600_regmap_volatile_accesses, + .rd_noinc_table = inv_icm42600_regmap_rd_noinc_accesses, + .cache_type = REGCACHE_RBTREE, + .use_single_write = true, +}; +EXPORT_SYMBOL_NS_GPL(inv_icm42600_spi_regmap_config, "IIO_ICM42600"); + struct inv_icm42600_hw { uint8_t whoami; const char *name; diff --git a/drivers/iio/imu/inv_icm42600/inv_icm42600_spi.c b/drivers/iio/imu/inv_icm42600/inv_icm42600_spi.c index c55d8e672183..2bd2c4c8e50c 100644 --- a/drivers/iio/imu/inv_icm42600/inv_icm42600_spi.c +++ b/drivers/iio/imu/inv_icm42600/inv_icm42600_spi.c @@ -59,7 +59,8 @@ static int inv_icm42600_probe(struct spi_device *spi) return -EINVAL; chip = (uintptr_t)match; - regmap = devm_regmap_init_spi(spi, &inv_icm42600_regmap_config); + /* use SPI specific regmap */ + regmap = devm_regmap_init_spi(spi, &inv_icm42600_spi_regmap_config); if (IS_ERR(regmap)) return PTR_ERR(regmap);