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 BDA081F55E3; Tue, 21 Jan 2025 18:11:38 +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=1737483098; cv=none; b=A0pQnrjMMCFvnrvGpY9ouO+O/RNDmZivcWC9u4rSiV8CjY1DBCltDuOgGJbcW5QvMW8D9ED/I6aPnKQn4NmPObjMB3QdsGPG98WtrgpdAKwzhGAVWKe6aAjdoRSm61gz2XXF1HoTXUvmTTpIv8OtDvRsquj9cWz7zct5mpzZMYA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1737483098; c=relaxed/simple; bh=6YKunzAGXGHj/gVKoJcPiPqgwf5vgawlOvQswidInQg=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Vb6vy7oR+eTcGaOdhe2IAHRySoUgN14nFPciTX0HNZ2wPIWZjYX5e2Uf2uhgierUXLp0PDihP1n65zIm3rAGo/OMrUKSRBu0cfYFp1vozuvhMkWhoK7X3LUsG01FeLiRHLFQmCPq4CXIc7nx3yeeeNf79WgsFSR8zkZHZ47LbpA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=eFg9hnVR; 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="eFg9hnVR" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4B89CC4CEDF; Tue, 21 Jan 2025 18:11:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1737483098; bh=6YKunzAGXGHj/gVKoJcPiPqgwf5vgawlOvQswidInQg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=eFg9hnVRGRY7XY63d2daCdBisOFLmFHgAarorqY8dh8fLyxb+ZozHkkBvSK8z5kdt gtkkZ1SEgLQ646i7lL0UB0SDx+59BUSyVBVAmhHciNne22rqLTv5syyiXpnKyF4foJ ajdYI7BW8qS9ZuE88wQW+pq7mAzjgoAuUFLFOxRs= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Jean-Baptiste Maneyrol , Jonathan Cameron Subject: [PATCH 5.15 116/127] iio: imu: inv_icm42600: fix spi burst write not supported Date: Tue, 21 Jan 2025 18:53:08 +0100 Message-ID: <20250121174534.116576090@linuxfoundation.org> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250121174529.674452028@linuxfoundation.org> References: <20250121174529.674452028@linuxfoundation.org> User-Agent: quilt/0.68 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 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Jean-Baptiste Maneyrol commit c0f866de4ce447bca3191b9cefac60c4b36a7922 upstream. 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 Signed-off-by: Greg Kroah-Hartman --- drivers/iio/imu/inv_icm42600/inv_icm42600.h | 1 + drivers/iio/imu/inv_icm42600/inv_icm42600_core.c | 11 +++++++++++ drivers/iio/imu/inv_icm42600/inv_icm42600_spi.c | 3 ++- 3 files changed, 14 insertions(+), 1 deletion(-) --- a/drivers/iio/imu/inv_icm42600/inv_icm42600.h +++ b/drivers/iio/imu/inv_icm42600/inv_icm42600.h @@ -360,6 +360,7 @@ struct inv_icm42600_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 * --- a/drivers/iio/imu/inv_icm42600/inv_icm42600_core.c +++ b/drivers/iio/imu/inv_icm42600/inv_icm42600_core.c @@ -43,6 +43,17 @@ const struct regmap_config inv_icm42600_ }; EXPORT_SYMBOL_GPL(inv_icm42600_regmap_config); +/* define specific regmap for SPI not supporting burst write */ +const struct regmap_config inv_icm42600_spi_regmap_config = { + .reg_bits = 8, + .val_bits = 8, + .max_register = 0x4FFF, + .ranges = inv_icm42600_regmap_ranges, + .num_ranges = ARRAY_SIZE(inv_icm42600_regmap_ranges), + .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; --- 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 return -EINVAL; chip = (enum inv_icm42600_chip)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);