| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-ID: <20121229102017.GA7360@game.jcrosoft.org> Date: Sat, 29 Dec 2012 11:20:17 +0100 From: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@...osoft.com> To: Roland Stigge <stigge@...com.de> Cc: gregkh@...uxfoundation.org, grant.likely@...retlab.ca, linus.walleij@...aro.org, linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, w.sang@...gutronix.de, jbe@...gutronix.de, highguy@...il.com, broonie@...nsource.wolfsonmicro.com, daniel-gl@....net, rmallon@...il.com, sr@...x.de, wg@...ndegger.com, tru@...k-microwave.de, mark.rutland@....com Subject: Re: [PATCH 0/6 v12] gpio: Add block GPIO On 17:49 Sun 23 Dec , Roland Stigge wrote: > 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 (only for some > selected drivers since the feature is optional and not suitable for > all GPIO hardware) > * Fix for race condition in gpiolib on device creation > > Signed-off-by: Roland Stigge <stigge@...com.de> > Tested by: Wolfgang Grandegger <wg@...ndegger.com> > -- > > Testing branch available at: git://git.antcom.de/linux-2.6.git blockgpio > > Changes since v11: > * Removed support for at91, since this one is currently in the migration > process to pinctrl implementation already done for 3.8 in Linus tree Best Regards, J. > * Fixed mask setting via sysfs > * Device interface: declare gpio_block_fop_poll() static > > Changes since v10: > * gpioblock-of.c: Catch <1 specified GPIOs > * gpioblock-of.c: Fixed memory leak in probe()'s error path > * gpioblock-of.c: Fixed block node's refcount via of_node_put() > * Added driver support for samsung, mm-lantiq and sa1100 > * Added driver support for at91 (by Wolfgang Grandegger) > * Added pinctrl driver support for pinctl-nomadik > > Changed since v9: > * Changed IRQ flags for device interface's poll() from IRQF_TRIGGER_FALLING > to IRQF_SHARED > * Use block name on gpio_request > * Added spinlock for ISR manipulated data (dev interface / poll()) > > Changed since v8: > * Added poll() function to dev interface for IRQ handling > * Fixed gpio_block_register() in case of missing CONFIG_GPIO_SYSFS > * Fixed mask handling in sysfs interface > * Fixed get_user/put_user pointer (cast) > > Changes since v7: > * Fixed error in API documentation (name arg missing in prototype) > * Fixed compile error if sysfs is missing: Moved gpio_block_is_output() > out of sysfs-ifdef > * Added error handling to gpio_block_register() > * Added mask attribute to sysfs (although dev interface exists now) > > 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, Grant Likely, Stefan > Roese, Wolfgang Grandegger, Tobias Rutz, Fengguang Wu and Mark Rutland > for reviewing and testing! > > 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 | 34 > Documentation/ABI/testing/sysfs-gpio | 31 > Documentation/devicetree/bindings/gpio/gpio-block.txt | 36 > Documentation/gpio.txt | 58 + > 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-mm-lantiq.c | 22 > 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-sa1100.c | 20 > drivers/gpio/gpio-samsung.c | 31 > 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 | 100 ++ > drivers/gpio/gpiolib.c | 782 ++++++++++++++++-- > drivers/pinctrl/pinctrl-nomadik.c | 36 > include/asm-generic/gpio.h | 28 > include/linux/gpio.h | 125 ++ > 26 files changed, 1793 insertions(+), 47 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists