Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754059Ab2KQKBA (ORCPT ); Sat, 17 Nov 2012 05:01:00 -0500 Received: from antcom.de ([188.40.178.216]:34417 "EHLO chuck.antcom.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752617Ab2KQKA6 (ORCPT ); Sat, 17 Nov 2012 05:00:58 -0500 From: Roland Stigge To: gregkh@linuxfoundation.org, grant.likely@secretlab.ca, linus.walleij@linaro.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, w.sang@pengutronix.de, jbe@pengutronix.de, plagnioj@jcrosoft.com, highguy@gmail.com, broonie@opensource.wolfsonmicro.com, daniel-gl@gmx.net, rmallon@gmail.com Cc: Roland Stigge Subject: [PATCH 0/6 v7] gpio: Add block GPIO Date: Sat, 17 Nov 2012 10:59:47 +0100 Message-Id: <1353146393-19312-1-git-send-email-stigge@antcom.de> X-Mailer: git-send-email 1.7.10.4 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 4072 Lines: 97 This set of patches adds: * Block GPIO API to gpiolib * Sysfs support for GPIO API, to provide userland access * Device interface for userland access (alternative to sysfs) * Devicetree support to instantiate GPIO blocks via DT * Example implementations in several gpio drivers since they need special accessor functions for block wise GPIO access * Fix for race condition in gpiolib on device creation Signed-off-by: Roland Stigge -- Changes since v6: * Changed realloc to list handling * Added mask to kernel API * Added device interface as userspace API * Changed sizeof() to BITS_PER_LONG * Fixed multiline comment style * Documented direction setting by the user * Documented order of handled chips in case of multiple chips in one block Changes since v5: * Documented sysfs: elaborated on "exported" and "values" attributes * Documented sysfs: gpiochip is a separate class now * Aggregated driver support patches for block gpio into one single patch * Added gpio block driver support for twl6040 and pch Changes since v4: * Documented word width * Bugfix: export/unexport on register/unregister * Using default dev_attrs for gpio_block_class * Fix gpiolib: race condition on device creation * Added driver support for ucb14500, vt8500, xilinx Changes since v3: * Added driver support for pca953x, em, pl061, max732x, pcf857x * Coding style improvements * Fixed krealloc memory leak in error case * sysfs: values in hex * Register blocks in a list * Narrowing lock scope * Use S_IWUSR and S_IRUGO instead of direct octal values * Use for_each_set_bit() * Change from unsigned to unsigned long for masks and values Changes since v2: * Added sysfs support * Added devicetree support * Added support for lpc32xx, generic * Added functions for GPIO block registration * Added more error checking * Bit remapping bugfix Changes since v1: * API change to 32/64 bit word, bit masks Thanks to Ryan Mallon, Linus Walleij, Stijn Devriendt, Jean-Christophe Plagniol-Villard, Mark Brown, Greg Kroah-Hartman and Grant Likely for reviewing! Roland Stigge (6): gpio: Add a block GPIO API to gpiolib gpio: Add sysfs support to block GPIO API gpio: Add userland device interface to block GPIO gpiolib: Fix default attributes for class gpio: Add device tree support to block GPIO API gpio: Add block gpio to several gpio drivers Documentation/ABI/testing/dev-gpioblock | 25 Documentation/ABI/testing/sysfs-gpio | 29 Documentation/devicetree/bindings/gpio/gpio-block.txt | 36 + Documentation/gpio.txt | 57 + drivers/gpio/Makefile | 1 drivers/gpio/gpio-em.c | 23 drivers/gpio/gpio-generic.c | 56 + drivers/gpio/gpio-lpc32xx.c | 82 ++ drivers/gpio/gpio-max730x.c | 61 + drivers/gpio/gpio-max732x.c | 59 + drivers/gpio/gpio-pca953x.c | 64 + drivers/gpio/gpio-pcf857x.c | 24 drivers/gpio/gpio-pch.c | 27 drivers/gpio/gpio-pl061.c | 17 drivers/gpio/gpio-twl6040.c | 32 drivers/gpio/gpio-ucb1400.c | 23 drivers/gpio/gpio-vt8500.c | 24 drivers/gpio/gpio-xilinx.c | 44 + drivers/gpio/gpioblock-of.c | 84 ++ drivers/gpio/gpiolib.c | 627 ++++++++++++++++-- include/asm-generic/gpio.h | 28 include/linux/gpio.h | 115 +++ 22 files changed, 1490 insertions(+), 48 deletions(-) -- 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/