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path: root/drivers/gpio/gpio-sta2x11.c (follow)
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* gpio: sta2x11: Use devm_gpiochip_add_data() for gpio registrationLaxman Dewangan2016-02-231-1/+1
| | | | | | Use devm_gpiochip_add_data() for GPIO registration. Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
* gpio: sta2x11: use gpiochip data pointerLinus Walleij2016-01-051-6/+6
| | | | | | | | | This makes the driver use the data pointer added to the gpio_chip to store a pointer to the state container instead of relying on container_of(). Cc: Alessandro Rubini <rubini@gnudd.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* gpio: sta2x11: Be sure to clamp return valueLinus Walleij2015-12-261-1/+1
| | | | | | | | | | As we want gpio_chip .get() calls to be able to return negative error codes and propagate to drivers, we need to go over all drivers and make sure their return values are clamped to [0,1]. We do this by using the ret = !!(val) design pattern. Cc: Alessandro Rubini <rubini@gnudd.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* gpio: kill off set_irq_flags usageRob Herring2015-07-281-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | set_irq_flags is ARM specific with custom flags which have genirq equivalents. Convert drivers to use the genirq interfaces directly, so we can kill off set_irq_flags. The translation of flags is as follows: IRQF_VALID -> !IRQ_NOREQUEST IRQF_PROBE -> !IRQ_NOPROBE IRQF_NOAUTOEN -> IRQ_NOAUTOEN For IRQs managed by an irqdomain, the irqdomain core code handles clearing and setting IRQ_NOREQUEST already, so there is no need to do this in .map() functions and we can simply remove the set_irq_flags calls. Some users also modify IRQ_NOPROBE and this has been maintained although it is not clear that is really needed as most platforms don't use probing. There appears to be a great deal of blind copy and paste of this code. Signed-off-by: Rob Herring <robh@kernel.org> Cc: Michael Hennerich <michael.hennerich@analog.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Cc: Alexandre Courbot <gnurou@gmail.com> Cc: Ray Jui <rjui@broadcom.com> Cc: Stephen Warren <swarren@wwwdotorg.org> Cc: Thierry Reding <thierry.reding@gmail.com> Cc: linux-gpio@vger.kernel.org Cc: bcm-kernel-feedback-list@broadcom.com Cc: linux-tegra@vger.kernel.org Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* gpio: drop owner assignment from platform_driversWolfram Sang2014-10-201-1/+0
| | | | | | | A platform_driver does not need to set an owner, it will be populated by the driver core. Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
* gpio/pinctrl: make gpio_chip members typed booleanLinus Walleij2013-12-041-1/+1
| | | | | | | | | | | This switches the two members of struct gpio_chip that were defined as unsigned foo:1 to bool, because that is indeed what they are. Switch all users in the gpio and pinctrl subsystems to assign these values with true/false instead of 0/1. The users outside these subsystems will survive since true/false is 1/0, atleast we set some kind of more strict typing example. Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* gpio: use dev_get_platdata()Jingoo Han2013-08-161-1/+1
| | | | | | | | Use the wrapper function for retrieving the platform data instead of accessing dev->platform_data directly. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* gpio-sta2x11: Convert to use devm_ioremap_resourceTushar Behera2013-06-171-1/+3
| | | | | | | | | | | | Commit 75096579c3ac ("lib: devres: Introduce devm_ioremap_resource()") introduced devm_ioremap_resource() and deprecated the use of devm_request_and_ioremap(). Signed-off-by: Tushar Behera <tushar.behera@linaro.org> CC: linux-gpio@vger.kernel.org CC: Grant Likely <grant.likely@linaro.org> CC: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* gpio-sta2x11: Fix potential NULL pointer dereferenceSachin Kamat2013-06-171-0/+2
| | | | | | | devm_kzalloc can return NULL. Check for it before dereferencing. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* gpio: remove use of __devinitBill Pemberton2012-11-281-2/+2
| | | | | | | | | | | | | | CONFIG_HOTPLUG is going away as an option so __devinit is no longer needed. Signed-off-by: Bill Pemberton <wfp5p@virginia.edu> Cc: Grant Likely <grant.likely@secretlab.ca> Cc: Peter Tyser <ptyser@xes-inc.com> Cc: Santosh Shilimkar <santosh.shilimkar@ti.com> Cc: Kevin Hilman <khilman@ti.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* gpio-sta2x11: don't use pdata if nullAlessandro Rubini2012-07-051-2/+3
| | | | | | | | | | | If there is no platform data available, the driver shouldn't use the pointer or it will oops. Since things will mostly work nonetheless, (the BIOS may have set up the pins properly), I'd better not fail the probe even in this case. Signed-off-by: Alessandro Rubini <rubini@gnudd.com> Acked-by: Giancarlo Asnaghi <giancarlo.asnaghi@st.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* gpio: Add STA2X11 GPIO blockAlessandro Rubini2012-05-091-0/+435
This introduces 128 gpio bits (for each PCI device installed) with working interrupt support. Signed-off-by: Alessandro Rubini <rubini@gnudd.com> Acked-by: Giancarlo Asnaghi <giancarlo.asnaghi@st.com> Cc: Alan Cox <alan@linux.intel.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>