Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754872AbbHLKOd (ORCPT ); Wed, 12 Aug 2015 06:14:33 -0400 Received: from metis.ext.pengutronix.de ([92.198.50.35]:34171 "EHLO metis.ext.pengutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754841AbbHLKO3 (ORCPT ); Wed, 12 Aug 2015 06:14:29 -0400 From: Markus Pargmann To: Mark Brown , Jonathan Cameron Cc: Srinivas Pandruvada , linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kernel@pengutronix.de, Markus Pargmann Subject: [PATCH 00/20] Regmap max_raw_io and bmc150 SPI support Date: Wed, 12 Aug 2015 12:12:25 +0200 Message-Id: <1439374365-20623-1-git-send-email-mpa@pengutronix.de> X-Mailer: git-send-email 2.4.6 X-SA-Exim-Connect-IP: 2001:67c:670:100:1d::7 X-SA-Exim-Mail-From: mpa@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-kernel@vger.kernel.org Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3562 Lines: 83 Hi, this series was created to add SPI support to the bmc150 accelerometer driver. To not add any regressions, I had to add some infrastructure that allows to use regmap with busses that do limit the size of transfers (block smbus). I hope this is sufficient to not break anything. The series has several different parts for regmap and the iio driver: Patches 1-4 fix some minor things in the regmap core code. Patches 5-11 fix some issues with regmap busses that do not have an implementation of read() or write(). Currently a lot of the regmap API functions simply fail for those busses. Patches 12-14 introduce 'max_raw_io' for busses which defines the max number of bytes that may be send or received by this bus. This includes handling in regmap_bulk_read/write and reporting an error for raw_read/writes that are above this limit (E2BIG). Patch 15 makes use of max_raw_io by adding smbus i2c block bus driver. This patch is created to avoid regressions in the bmc150 driver. Patches 16-20 move bmc150 to use regmap and add SPI support. As I don't have a bmc150 connected via smbus I am not able to test Patch 14 and the resulting I2C part of the bmc150 driver. It would be great if someone with the hardware could test it. Also it would be great to have some test coverage for all other regmap setups. Best Regards, Markus Markus Pargmann (20): regmap: Add missing comments about struct regmap_bus regmap: Remove regmap_bulk_write 64bit support regmap: Fix integertypes for register address and value regmap: Do not skip format initialization regmap: Restructure writes in _regmap_raw_write() regmap: Fix regmap_bulk_write for bus writes regmap: Without bus read() or write(), force use_single_rw regmap: Fix regmap_can_raw_write check regmap: _regmap_raw_write fix for busses without write() regmap: _regmap_raw_multi_reg_write: Add reg_write() support regmap: _regmap_raw_read: Add handling of busses without bus->read() regmap: Introduce max_raw_io for regmap_bulk_read/write regmap: regmap max_raw_io getter function regmap: Add raw_write/read checks for max_raw_write/read sizes regmap-i2c: Add smbus i2c block support iio: bmc150: Fix irq checks iio: bmc150: Use i2c regmap iio: bcm150: Remove i2c_client from private data iio: bmc150: Split the driver into core and i2c iio: bmc150: Add SPI driver drivers/base/regmap/internal.h | 3 + drivers/base/regmap/regmap-i2c.c | 46 +++ drivers/base/regmap/regmap.c | 221 ++++++++--- drivers/iio/accel/Kconfig | 32 +- drivers/iio/accel/Makefile | 4 +- .../accel/{bmc150-accel.c => bmc150-accel-core.c} | 404 ++++++++------------- drivers/iio/accel/bmc150-accel-i2c.c | 101 ++++++ drivers/iio/accel/bmc150-accel-spi.c | 86 +++++ drivers/iio/accel/bmc150-accel.h | 21 ++ include/linux/regmap.h | 8 +- 10 files changed, 622 insertions(+), 304 deletions(-) rename drivers/iio/accel/{bmc150-accel.c => bmc150-accel-core.c} (82%) create mode 100644 drivers/iio/accel/bmc150-accel-i2c.c create mode 100644 drivers/iio/accel/bmc150-accel-spi.c create mode 100644 drivers/iio/accel/bmc150-accel.h -- 2.4.6 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/