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2019-11-13gpio: merrifield: Pass irqchip when adding gpiochipAndy Shevchenko1-13/+19
We need to convert all old gpio irqchips to pass the irqchip setup along when adding the gpio_chip. For more info see drivers/gpio/TODO. For chained irqchips this is a pretty straight-forward conversion. Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: Mika Westerberg <mika.westerberg@linux.intel.com> Cc: Thierry Reding <treding@nvidia.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com> Reviewed-by: Hans de Goede <hdegoede@redhat.com>
2019-11-13gpio: merrifield: Add GPIO <-> pin mapping ranges via callbackAndy Shevchenko1-17/+25
When IRQ chip is instantiated via GPIO library flow, the few functions, in particular the ACPI event registration mechanism, on some of ACPI based platforms expect that the pin ranges are initialized to that point. Add GPIO <-> pin mapping ranges via callback in the GPIO library flow. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com> Reviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2019-11-13gpiolib: Introduce ->add_pin_ranges() callbackAndy Shevchenko2-0/+17
When IRQ chip is being added by GPIO library, the ACPI based platform expects GPIO <-> pin mapping ranges to be initialized in order to correctly initialize ACPI event mechanism on affected platforms. Unfortunately this step is missed. Introduce ->add_pin_ranges() callback to fill the above mentioned gap. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com> Reviewed-by: Hans de Goede <hdegoede@redhat.com> Tested-by: Hans de Goede <hdegoede@redhat.com>
2019-11-13gpio: mmio: remove untrue leftover commentMatti Vaittinen1-1/+0
The comment should have been removed when new GPIO direction definitions were taken in use as the function logic was changed. It is now perfectly valid and Ok to hit the return from the bottom of the direction getting function. Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com> Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
2019-11-13gpio: em: Use platform_get_irq() to obtain interruptsGeert Uytterhoeven1-12/+9
Use the platform_get_irq() helper instead of handling resources directly. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
2019-11-12gpio: tegra186: Add debounce supportThierry Reding1-0/+38
The GPIO controller found on Tegra186 and later supports debouncing for inputs for up to 255 ms. Signed-off-by: Thierry Reding <treding@nvidia.com> Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
2019-11-12gpio: tegra186: Program interrupt route mappingThierry Reding1-0/+46
The controls for the GG port on Tegra194 resides in the power partition of the C5 PCIe controller and its interrupt route mapping can therefore not be programmed by early boot firmware along with that of the other ports. Detect this generically by looking at which controls have already been locked down using the security registers and fill in default values for controls that are unlocked. Signed-off-by: Thierry Reding <treding@nvidia.com> Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
2019-11-12gpio: tegra186: Derive register offsets from bank/portThierry Reding1-95/+100
The register offsets for a given bank and port can be easily derived from the bank and port indices. Update the port descriptors to list only the bank and port numbers to simplify this. Signed-off-by: Thierry Reding <treding@nvidia.com> Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
2019-11-12gpio: add new SET_CONFIG ioctl() to gpio chardevKent Gibson2-0/+87
Add the GPIOHANDLE_SET_CONFIG_IOCTL to the gpio chardev. The ioctl allows some of the configuration of a requested handle to be changed without having to release the line. The primary use case is the changing of direction for bi-directional lines. Based on initial work by Bartosz Golaszewski <bgolaszewski@baylibre.com> Signed-off-by: Kent Gibson <warthog618@gmail.com> Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
2019-11-12gpiolib: move validation of line handle flags into helper functionKent Gibson1-42/+51
Move validation of line handle flags into helper function. This reduces the size and complexity of linehandle_create and allows the validation to be reused elsewhere. Signed-off-by: Kent Gibson <warthog618@gmail.com> Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
2019-11-12gpio: mockup: add set_config to support pull up/downKent Gibson1-34/+60
Add support for the pull up/down state set via gpiolib line requests to be reflected in the state of the mockup. Use case is for testing of the GPIO uAPI, specifically the pull up/down flags. Signed-off-by: Kent Gibson <warthog618@gmail.com> Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
2019-11-12gpiolib: add support for biasing output linesKent Gibson1-2/+6
Allow pull up/down bias to be set on output lines. Use case is for open source or open drain applications where internal pull up/down may conflict with external biasing. Signed-off-by: Kent Gibson <warthog618@gmail.com> Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
2019-11-12gpiolib: add support for disabling line biasKent Gibson3-10/+54
Allow pull up/down bias to be disabled, allowing the line to float or to be biased only by external circuitry. Use case is for where the bias has been applied previously, either by default or by the user, but that setting may conflict with the current use of the line. Signed-off-by: Kent Gibson <warthog618@gmail.com> Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
2019-11-12gpiolib: add support for pull up/down to lineevent_createKent Gibson1-0/+4
Add support for pull up/down to lineevent_create. Use cases include receiving asynchronous presses from a push button without an external pull up/down. Signed-off-by: Kent Gibson <warthog618@gmail.com> Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
2019-11-12gpio: expose pull-up/pull-down line flags to userspaceDrew Fustini2-0/+22
Add pull-up/pull-down flags to the gpio line get and set ioctl() calls. Use cases include a push button that does not have an external resistor. Addition use cases described by Limor Fried (ladyada) of Adafruit in this PR for Adafruit_Blinka Python lib: https://github.com/adafruit/Adafruit_Blinka/pull/59 Signed-off-by: Drew Fustini <drew@pdp7.com> [Kent: added BIAS to GPIO flag names and restrict application to input lines] Signed-off-by: Kent Gibson <warthog618@gmail.com> Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
2019-11-12gpio: rcar: Use proper irq_chip nameGeert Uytterhoeven1-1/+1
The irq_chip .name field should contain the device's class name, not the instance's name. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
2019-11-12gpio: em: Use proper irq_chip nameGeert Uytterhoeven1-1/+1
The irq_chip .name field should contain the device's class name, not the instance's name. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
2019-11-12gpio: bd70528: Add MODULE ALIAS to autoload moduleMatti Vaittinen1-0/+1
The bd70528 GPIO driver is probed by MFD driver. Add MODULE_ALIAS in order to allow udev to load the module when MFD sub-device cell for GPIO is added. Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com> Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
2019-11-09net: caif: Fix debugfs on 64-bit platformsGeert Uytterhoeven1-2/+2
"ser_device.state" is "unsigned long", i.e. 32-bit or 64-bit, depending on the platform. Hence casting its address to "u32 *", and calling debugfs_create_x32() breaks operation on 64-bit platforms. Fix this by using the new debugfs_create_xul() helper instead. Fixes: 9b27105b4a44c54b ("net-caif-driver: add CAIF serial driver (ldisc)") Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Link: https://lore.kernel.org/r/20191025094130.26033-4-geert+renesas@glider.be Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-11-09mac80211: Use debugfs_create_xul() helperGeert Uytterhoeven1-14/+3
Use the new debugfs_create_xul() helper instead of open-coding the same operation. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Acked-by: Johannes Berg <johannes@sipsolutions.net> Link: https://lore.kernel.org/r/20191025094130.26033-3-geert+renesas@glider.be Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-11-09media: c8sectpfe: no need to check return value of debugfs_create functionsGreg Kroah-Hartman1-23/+3
When calling debugfs functions, there is no need to ever check the return value. The function can work or not, but the code logic should never do something different based on this. Cc: Mauro Carvalho Chehab <mchehab@kernel.org> Cc: linux-arm-kernel@lists.infradead.org Cc: linux-media@vger.kernel.org Cc: linux-kernel@vger.kernel.org Reviewed-by: Patrice Chotard <patrice.chotard@st.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Link: https://lore.kernel.org/r/20191107085238.GA1285658@kroah.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-11-08gpio: xgs-iproc: Fix platform_no_drv_owner.cocci warningsYueHaibing1-1/+0
Remove .owner field if calls are used which set it automatically Generated by: scripts/coccinelle/api/platform_no_drv_owner.cocci Signed-off-by: YueHaibing <yuehaibing@huawei.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2019-11-08Revert "gpio: expose pull-up/pull-down line flags to userspace"Linus Walleij2-16/+0
This reverts commit 8c550e94b8835170593169a45b5ba30d3fc72a70. This was prematurely applied and we need to back it out to merge a better version of the development track for this feature. Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2019-11-07gpiolib: No need to call gpiochip_remove_pin_ranges() twiceAndy Shevchenko2-5/+3
of_gpiochip_add(), when fails, calls gpiochip_remove_pin_ranges(). ADD: gpiochip_add_data_with_key() -> of_gpiochip_add() -> (ERROR path) gpiochip_remove_pin_ranges() At the same time of_gpiochip_remove() calls exactly the above mentioned function unconditionally and so does gpiochip_remove(). REMOVE: gpiochip_remove() -> gpiochip_remove_pin_ranges() of_gpiochip_remove() -> gpiochip_remove_pin_ranges() Since gpiochip_remove() calls gpiochip_remove_pin_ranges() unconditionally, we have duplicate call to the same function when it's not necessary. Move gpiochip_remove_pin_ranges() from of_gpiochip_add() to gpiochip_add() to avoid duplicate calls and be consistent with the explicit call in gpiochip_remove(). Fixes: e93fa3f24353 ("gpiolib: remove duplicate pin range code") Depends-on: f7299d441a4d ("gpio: of: Fix of_gpiochip_add() error path") Cc: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2019-11-07of: property: Add device link support for iommus, mboxes and io-channelsSaravana Kannan1-0/+6
Add support for creating device links out of more DT properties. Signed-off-by: Saravana Kannan <saravanak@google.com> Reviewed-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20191105065000.50407-4-saravanak@google.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-11-07of: property: Make it easy to add device links from DT propertiesSaravana Kannan1-15/+47
Add a DEFINE_SIMPLE_PROP macro to make it easy to add support for simple properties with fixed names that just list phandles and phandle args. Add a DEFINE_SUFFIX_PROP macro to make it easy to add support for properties with fixes suffix that just list phandles and phandle args. Signed-off-by: Saravana Kannan <saravanak@google.com> Reviewed-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20191105065000.50407-3-saravanak@google.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-11-07of: property: Minor style clean up of of_link_to_phandle()Saravana Kannan1-2/+8
Adding a debug log instead of silently ignoring a phandle for an early device. Also, return the right error code instead of 0 even though the actual execution flow won't change. Signed-off-by: Saravana Kannan <saravanak@google.com> Reviewed-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20191105065000.50407-2-saravanak@google.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-11-07gpio: Use new GPIO_LINE_DIRECTIONMatti Vaittinen60-102/+211
It's hard for occasional GPIO code reader/writer to know if values 0/1 equal to IN or OUT. Use defined GPIO_LINE_DIRECTION_IN and GPIO_LINE_DIRECTION_OUT to help them out. NOTE - for gpio-amd-fch and gpio-bd9571mwv: This commit also changes the return value for direction get to equal 1 for direction INPUT. Prior this commit these drivers might have returned some other positive value but 1 for INPUT. Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com> Acked-by: Scott Branden <scott.branden@broadcom.com> Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com> Reviewed-by: Michal Simek <michal.simek@xilinx.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: William Breathitt Gray <vilhelm.gray@gmail.com> Acked-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2019-11-07gpio: Add definition for GPIO directionMatti Vaittinen1-0/+3
At least for me it is difficult to remember the meaning of GPIO direction values. Define GPIO_LINE_DIRECTION_IN and GPIO_LINE_DIRECTION_OUT so that occasional GPIO contributors would not need to always check the meaning of hard coded values 1 and 0. Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2019-11-07gpio: xgs-iproc: Fix section mismatch on device tree match tableMark Brown1-1/+1
The table of devicetree identifiers is annotated as __initconst indicating that it can be discarded after kernel boot but it is referenced from the driver struct which has no init annotation leading to a linker warning: WARNING: vmlinux.o(.data+0x82d58): Section mismatch in reference from the variable bcm_iproc_gpio_driver to the variable .init.rodata:bcm_iproc_gpio_of_match The variable bcm_iproc_gpio_driver references the variable __initconst bcm_iproc_gpio_of_match Since drivers can be probed after init the lack of annotation on the driver struct is correct so remove the annotation from the match table. Fixes: 6a41b6c5fc20 ("gpio: Add xgs-iproc driver") Signed-off-by: Mark Brown <broonie@kernel.org> Reviewed-by: Chris Packham <chris.packham@alliedtelesis.co.nz> Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Tested-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2019-11-05gpio: tegra186: use devm_platform_ioremap_resource_byname()Bartosz Golaszewski1-3/+1
Use the devm_platform_ioremap_resource_byname() helper instead of calling platform_get_resource_byname() and devm_ioremap_resource() separately. Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Reviewed-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Linus Walleij <linus.walleij@linaro.org> Link: https://lore.kernel.org/r/20191022084318.22256-9-brgl@bgdev.pl Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-11-05gpio: mvebu: use devm_platform_ioremap_resource_byname()Bartosz Golaszewski1-12/+7
Use devm_platform_ioremap_resource_byname() instead of calling platform_get_resource_byname() and devm_ioremap_resource() separately. Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Reviewed-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Linus Walleij <linus.walleij@linaro.org> Link: https://lore.kernel.org/r/20191022084318.22256-8-brgl@bgdev.pl Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-11-05drivers: provide devm_platform_ioremap_resource_byname()Bartosz Golaszewski3-0/+24
Provide a variant of devm_platform_ioremap_resource() that allows to lookup resources from platform devices by name rather than by index. Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Reviewed-by: Arnd Bergmann <arnd@arndb.de> Link: https://lore.kernel.org/r/20191022084318.22256-7-brgl@bgdev.pl Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-11-05misc: sram: use devm_platform_ioremap_resource_wc()Bartosz Golaszewski1-20/+8
Use the new devm_platform_ioremap_resource_wc() helper instead of devm_ioremap_wc() combinded with a call to platform_get_resource(). Also use devm_platform_ioremap_resource() where applicable. Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Reviewed-by: Arnd Bergmann <arnd@arndb.de> Link: https://lore.kernel.org/r/20191022084318.22256-6-brgl@bgdev.pl Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-11-05drivers: platform: provide devm_platform_ioremap_resource_wc()Bartosz Golaszewski3-1/+22
Provide a write-combined variant of devm_platform_ioremap_resource(). Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Reviewed-by: Arnd Bergmann <arnd@arndb.de> Link: https://lore.kernel.org/r/20191022084318.22256-5-brgl@bgdev.pl Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-11-05lib: devres: provide devm_ioremap_resource_wc()Bartosz Golaszewski3-0/+18
Provide a variant of devm_ioremap_resource() for write-combined ioremap. Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Reviewed-by: Arnd Bergmann <arnd@arndb.de> Link: https://lore.kernel.org/r/20191022084318.22256-4-brgl@bgdev.pl Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-11-05lib: devres: prepare devm_ioremap_resource() for more variantsBartosz Golaszewski1-20/+27
We want to add the write-combined variant of devm_ioremap_resource(). Let's first implement __devm_ioremap_resource() which takes an additional argument type. The types are the same as for __devm_ioremap(). The existing devm_ioremap_resource() now simply calls __devm_ioremap_resource() with regular DEVM_IOREMAP type. Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Reviewed-by: Arnd Bergmann <arnd@arndb.de> Link: https://lore.kernel.org/r/20191022084318.22256-3-brgl@bgdev.pl Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-11-05Documentation: devres: add missing entry for devm_platform_ioremap_resource()Bartosz Golaszewski1-0/+1
devm_platform_ioremap_resource() should be documented in devres.rst. Add the missing entry. Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Reviewed-by: Arnd Bergmann <arnd@arndb.de> Link: https://lore.kernel.org/r/20191022084318.22256-2-brgl@bgdev.pl Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-11-05gpiolib: Switch order of valid mask and hw initLinus Walleij1-2/+2
The GPIO irqchip needs to initialize the valid mask before initializing the IRQ hardware, because sometimes the latter require the former to be executed first. Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: Mika Westerberg <mika.westerberg@linux.intel.com> Reported-by: Hans de Goede <hdegoede@redhat.com> Link: https://lore.kernel.org/r/20191030122914.967-1-linus.walleij@linaro.org Acked-by: Hans de Goede <hdegoede@redhat.com> Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2019-11-04IB: mlx5: no need to check return value of debugfs_create functionsGreg Kroah-Hartman2-55/+16
When calling debugfs functions, there is no need to ever check the return value. The function can work or not, but the code logic should never do something different based on this. Cc: Leon Romanovsky <leon@kernel.org> Cc: Doug Ledford <dledford@redhat.com> Cc: Jason Gunthorpe <jgg@ziepe.ca> Cc: linux-rdma@vger.kernel.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-11-03Revert "gpio: merrifield: Pass irqchip when adding gpiochip"Linus Walleij1-16/+12
This reverts commit 8f86a5b4ad679e4836733b47414226074eee4e4d. It has been established that this causes a boot regression on both Baytrail and Cherrytrail SoCs, and we can't have that in the final kernel release, so we need to revert it. Reported-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2019-11-03Revert "gpio: merrifield: Restore use of irq_base"Linus Walleij1-1/+0
This reverts commit 6658f87f219427ee776c498e07c878eb5cad1be2. This revert is a prerequisite for the later revert of commit 8f86a5b4ad679e4836733b47414226074eee4e4d. Reported-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2019-11-03Revert "gpio: merrifield: Move hardware initialization to callback"Linus Walleij1-5/+3
This reverts commit 4c87540940cbc7ddbe9674087919c605fd5c2ef1. This revert is a prerequisite for the later revert of commit 8f86a5b4ad679e4836733b47414226074eee4e4d. Reported-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2019-11-03Linux 5.4-rc6Linus Torvalds1-1/+1
2019-11-03firmware loader: log path to loaded firmwaresDrew DeVault1-0/+1
This is useful for users who are trying to identify the firmwares in use on their system. Signed-off-by: Drew DeVault <sir@cmpwn.com> Link: https://lore.kernel.org/r/20191103180646.34880-1-sir@cmpwn.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-11-03mmc: dw_mmc: Remove superfluous cast in debugfs_create_u32() callGeert Uytterhoeven1-1/+1
"dw_mci.state" is an enum, which is compatible with u32, so there is no need to cast its address, preventing further compiler checks. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Acked-by: Ulf Hansson <ulf.hansson@linaro.org> Link: https://lore.kernel.org/r/20191025094130.26033-8-geert+renesas@glider.be Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-11-03mmc: dw_mmc: Fix debugfs on 64-bit platformsGeert Uytterhoeven1-4/+4
"dw_mci.pending_events" and "dw_mci.completed_events" are "unsigned long", i.e. 32-bit or 64-bit, depending on the platform. Hence casting their addresses to "u32 *", and calling debugfs_create_x32() breaks operation on 64-bit platforms. Fix this by using the new debugfs_create_xul() helper instead. Fixes: f95f3850f7a9e1d4 ("mmc: dw_mmc: Add Synopsys DesignWare mmc host driver.") Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Acked-by: Ulf Hansson <ulf.hansson@linaro.org> Link: https://lore.kernel.org/r/20191025094130.26033-7-geert+renesas@glider.be Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-11-03mmc: atmel-mci: Remove superfluous cast in debugfs_create_u32() callGeert Uytterhoeven1-1/+1
"atmel_mci.state" is an enum, which is compatible with u32, so there is no need to cast its address, preventing further compiler checks. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Acked-by: Ulf Hansson <ulf.hansson@linaro.org> Link: https://lore.kernel.org/r/20191025094130.26033-6-geert+renesas@glider.be Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-11-03mmc: atmel-mci: Fix debugfs on 64-bit platformsGeert Uytterhoeven1-4/+4
"atmel_mci.pending_events" and "atmel_mci.completed_events" are "unsigned long", i.e. 32-bit or 64-bit, depending on the platform. Hence casting their addresses to "u32 *", and calling debugfs_create_x32() breaks operation on 64-bit platforms. Fix this by using the new debugfs_create_xul() helper instead. Fixes: deec9ae31e607955 ("atmel-mci: debugfs support") Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Acked-by: Ulf Hansson <ulf.hansson@linaro.org> Link: https://lore.kernel.org/r/20191025094130.26033-5-geert+renesas@glider.be Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-11-03debugfs: Add debugfs_create_xul() for hexadecimal unsigned longGeert Uytterhoeven2-1/+25
The existing debugfs_create_ulong() function supports objects of type "unsigned long", which are 32-bit or 64-bit depending on the platform, in decimal form. To format objects in hexadecimal, various debugfs_create_x*() functions exist, but all of them take fixed-size types. Add a debugfs helper for "unsigned long" objects in hexadecimal format. This avoids the need for users to open-code the same, or introduce bugs when casting the value pointer to "u32 *" or "u64 *" to call debugfs_create_x{32,64}(). Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Link: https://lore.kernel.org/r/20191025094130.26033-2-geert+renesas@glider.be Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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