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path: root/net/rfkill/rfkill-gpio.c
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* net: rfkill: gpio: Convert to platform remove callback returning voidUwe Kleine-König2024-03-251-4/+2
| | | | | | | | | | | | | | | | | | | | The .remove() callback for a platform driver returns an int which makes many driver authors wrongly assume it's possible to do error handling by returning an error code. However the value returned is ignored (apart from emitting a warning) and this typically results in resource leaks. To improve here there is a quest to make the remove callback return void. In the first step of this quest all drivers are converted to .remove_new(), which already returns void. Eventually after all drivers are converted, .remove_new() will be renamed to .remove(). Trivially convert this driver from always returning zero in the remove callback to the void returning variant. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Reviewed-by: Jeff Johnson <quic_jjohnson@quicinc.com> Link: https://msgid.link/20240306183538.88777-2-u.kleine-koenig@pengutronix.de Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* net: rfkill: gpio: set GPIO directionRouven Czerwinski2023-12-121-0/+8
| | | | | | | | | | | | | | | | | Fix the undefined usage of the GPIO consumer API after retrieving the GPIO description with GPIO_ASIS. The API documentation mentions that GPIO_ASIS won't set a GPIO direction and requires the user to set a direction before using the GPIO. This can be confirmed on i.MX6 hardware, where rfkill-gpio is no longer able to enabled/disable a device, presumably because the GPIO controller was never configured for the output direction. Fixes: b2f750c3a80b ("net: rfkill: gpio: prevent value glitch during probe") Cc: stable@vger.kernel.org Signed-off-by: Rouven Czerwinski <r.czerwinski@pengutronix.de> Link: https://msgid.link/20231207075835.3091694-1-r.czerwinski@pengutronix.de Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* net: rfkill: gpio: prevent value glitch during probeJosua Mayer2023-10-111-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | When either reset- or shutdown-gpio have are initially deasserted, e.g. after a reboot - or when the hardware does not include pull-down, there will be a short toggle of both IOs to logical 0 and back to 1. It seems that the rfkill default is unblocked, so the driver should not glitch to output low during probe. It can lead e.g. to unexpected lte modem reconnect: [1] root@localhost:~# dmesg | grep "usb 2-1" [ 2.136124] usb 2-1: new SuperSpeed USB device number 2 using xhci-hcd [ 21.215278] usb 2-1: USB disconnect, device number 2 [ 28.833977] usb 2-1: new SuperSpeed USB device number 3 using xhci-hcd The glitch has been discovered on an arm64 board, now that device-tree support for the rfkill-gpio driver has finally appeared :). Change the flags for devm_gpiod_get_optional from GPIOD_OUT_LOW to GPIOD_ASIS to avoid any glitches. The rfkill driver will set the intended value during rfkill_sync_work. Fixes: 7176ba23f8b5 ("net: rfkill: add generic gpio rfkill driver") Signed-off-by: Josua Mayer <josua@solid-run.com> Link: https://lore.kernel.org/r/20231004163928.14609-1-josua@solid-run.com Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* net: rfkill-gpio: Add explicit include for of.hRob Herring2023-04-061-0/+1
| | | | | | | | | | | | | With linux/acpi.h no longer implicitly including of.h, add an explicit include of of.h to fix the following error: net/rfkill/rfkill-gpio.c:181:21: error: implicit declaration of function 'of_match_ptr' is invalid in C99 [-Werror,-Wimplicit-function-declaration] Acked-by: Johannes Berg <johannes@sipsolutions.net> Reviewed-by: Jacob Keller <jacob.e.keller@intel.com> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Rob Herring <robh@kernel.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
* net: rfkill: gpio: add DT supportPhilipp Zabel2023-01-121-2/+18
| | | | | | | | | | | | Allow probing rfkill-gpio via device tree. This hooks up the already existing support that was started in commit 262c91ee5e52 ("net: rfkill: gpio: prepare for DT and ACPI support") via the "rfkill-gpio" compatible, with the "name" and "type" properties renamed to "label" and "radio-type", respectively, in the device tree case. Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de> Link: https://lore.kernel.org/r/20230102-rfkill-gpio-dt-v2-2-d1b83758c16d@pengutronix.de Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 1Thomas Gleixner2019-05-211-14/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Based on 2 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details you should have received a copy of the gnu general public license along with this program if not write to the free software foundation inc 51 franklin street fifth floor boston ma 02110 1301 usa this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option [no]_[pad]_[ctrl] any later version this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details you should have received a copy of the gnu general public license along with this program if not write to the free software foundation inc 51 franklin street fifth floor boston ma 02110 1301 usa extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 176 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Jilayne Lovejoy <opensource@jilayne.com> Reviewed-by: Steve Winslow <swinslow@gmail.com> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190519154040.652910950@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* rfkill: gpio: Remove unused includeLinus Walleij2018-12-181-1/+0
| | | | | | | | The legacy <linux/gpio.h> header is no longer in use by the rfkill driver, so drop this include. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* rfkill-gpio: include linux/mod_devicetable.hArnd Bergmann2018-08-141-0/+1
| | | | | | | | | | | | | | | One more driver is apparently broken by the recent change to linux/platform_device.h: net/rfkill/rfkill-gpio.c: In function 'rfkill_gpio_acpi_probe': net/rfkill/rfkill-gpio.c:82:29: error: dereferencing pointer to incomplete type 'const struct acpi_device_id' Include linux/mod_devicetable.h to get the definition of the acpi_device_id structure. Fixes: ac3167257b9f ("headers: separate linux/mod_devicetable.h from linux/platform_device.h") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* rfkill: gpio: fix memory leak in probe error pathJohan Hovold2018-05-071-1/+6
| | | | | | | | | | | | Make sure to free the rfkill device in case registration fails during probe. Fixes: 5e7ca3937fbe ("net: rfkill: gpio: convert to resource managed allocation") Cc: stable <stable@vger.kernel.org> # 3.13 Cc: Heikki Krogerus <heikki.krogerus@linux.intel.com> Signed-off-by: Johan Hovold <johan@kernel.org> Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* net: rfkill: gpio: Switch to devm_acpi_dev_add_driver_gpios()Andy Shevchenko2017-06-131-4/+1
| | | | | | | | Switch to use managed variant of acpi_dev_add_driver_gpios() to simplify error path and fix potentially wrong assingment if ->probe() fails. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* net: rfkill: gpio: remove rfkill_gpio_platform_dataHeikki Krogerus2016-02-241-8/+0
| | | | | | | No more users for it. Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* net: rfkill: gpio: get the name and type from device propertyHeikki Krogerus2016-02-241-5/+11
| | | | | | | This prepares the driver for removal of platform data. Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* Bluetooth: hci_bcm: move all Broadcom ACPI IDs to BCM HCI driverHeikki Krogerus2016-01-041-4/+0
| | | | | | | | | | The IDs should all be for Broadcom BCM43241 module, and hci_bcm is now the proper driver for them. This removes one of two different ways of handling PM with the module. Cc: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* net: rfkill: gpio: Remove BCM2E39 supportFrederic Danis2015-08-111-1/+0
| | | | | | | | Power management support for BCM2E39 is now performed in Bluetooth BCM UART driver. Signed-off-by: Frederic Danis <frederic.danis@linux.intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* net: rfkill: gpio: make better use of gpiod APIUwe Kleine-König2015-05-291-14/+10
| | | | | | | | | | | | | | | | | Since 39b2bbe3d715 (gpio: add flags argument to gpiod_get*() functions) which appeared in v3.17-rc1, the gpiod_get* functions take an additional parameter that allows to specify direction and initial value for output. Furthermore there is devm_gpiod_get_optional which is designed to get optional gpios. Simplify driver accordingly. Note this makes error checking more strict because only -ENOENT is ignored when searching for the GPIOs which is good. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* Merge tag 'mac80211-next-for-davem-2015-02-03' of ↵David S. Miller2015-02-041-0/+1
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next Last round of updates for net-next: * revert a patch that caused a regression with mesh userspace (Bob) * fix a number of suspend/resume related races (from Emmanuel, Luca and myself - we'll look at backporting later) * add software implementations for new ciphers (Jouni) * add a new ACPI ID for Broadcom's rfkill (Mika) * allow using netns FD for wireless (Vadim) * some other cleanups (various) Signed-off-by: David S. Miller <davem@davemloft.net>
| * net: rfkill: Add Broadcom BCM2E40 bluetooth ACPI IDMika Westerberg2015-02-031-0/+1
| | | | | | | | | | | | | | This is yet another Broadcom bluetooth chip with ACPI ID BCM2E40. Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* | Merge tag 'driver-core-3.19-rc1' of ↵Linus Torvalds2014-12-141-1/+0
|\ \ | |/ |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core Pull driver core update from Greg KH: "Here's the set of driver core patches for 3.19-rc1. They are dominated by the removal of the .owner field in platform drivers. They touch a lot of files, but they are "simple" changes, just removing a line in a structure. Other than that, a few minor driver core and debugfs changes. There are some ath9k patches coming in through this tree that have been acked by the wireless maintainers as they relied on the debugfs changes. Everything has been in linux-next for a while" * tag 'driver-core-3.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (324 commits) Revert "ath: ath9k: use debugfs_create_devm_seqfile() helper for seq_file entries" fs: debugfs: add forward declaration for struct device type firmware class: Deletion of an unnecessary check before the function call "vunmap" firmware loader: fix hung task warning dump devcoredump: provide a one-way disable function device: Add dev_<level>_once variants ath: ath9k: use debugfs_create_devm_seqfile() helper for seq_file entries ath: use seq_file api for ath9k debugfs files debugfs: add helper function to create device related seq_file drivers/base: cacheinfo: remove noisy error boot message Revert "core: platform: add warning if driver has no owner" drivers: base: support cpu cache information interface to userspace via sysfs drivers: base: add cpu_device_create to support per-cpu devices topology: replace custom attribute macros with standard DEVICE_ATTR* cpumask: factor out show_cpumap into separate helper function driver core: Fix unbalanced device reference in drivers_probe driver core: fix race with userland in device_add() sysfs/kernfs: make read requests on pre-alloc files use the buffer. sysfs/kernfs: allow attributes to request write buffer be pre-allocated. fs: sysfs: return EGBIG on write if offset is larger than file size ...
| * net: rfkill: 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>
* | net: rfkill: gpio: Add default GPIO driver mappings for ACPIMika Westerberg2014-11-041-3/+15
|/ | | | | | | | | | | | | | | | | | | | | | | | | | The driver uses devm_gpiod_get_index(..., index) so that the index refers directly to the GpioIo resource under the ACPI device. The problem with this is that if the ordering changes we get wrong GPIOs. With ACPI 5.1 _DSD we can now use names instead to reference GPIOs analogous to Device Tree. However, we still have systems out there that do not provide _DSD at all. These systems must be supported as well. Luckily we now have acpi_dev_add_driver_gpios() that can be used to provide mappings for systems where _DSD is not provided and still take advantage of _DSD if it exists. This patch changes the driver to create default GPIO mappings if we are running on ACPI system. While there we can drop the indices completely and use devm_gpiod_get() with name instead. Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> Reviewed-by: Johannes Berg <johannes@sipsolutions.net> Acked-by: John W. Linville <linville@tuxdriver.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
* net: rfkill: gpio: Fix clock statusLoic Poulain2014-09-221-1/+1
| | | | | | | | Clock is disabled when the device is blocked. So, clock_enabled is the logical negation of "blocked". Signed-off-by: Loic Poulain <loic.poulain@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* net: rfkill: gpio: Enable module auto-loading for ACPI based switchesMarcel Holtmann2014-09-161-0/+1
| | | | | | | | For the ACPI based switches the MODULE_DEVICE_TABLE is missing to export the entries for module auto-loading. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* net: rfkill: gpio: Add more Broadcom bluetooth ACPI IDsMika Westerberg2014-08-251-0/+1
| | | | | | | This adds one more ACPI ID of a Broadcom bluetooth chip. Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-nextJohn W. Linville2014-05-221-11/+8
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| * rfkill-gpio: Use gpio cansleep versionLoic Poulain2014-05-071-11/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | If gpio controller requires waiting for read and write GPIO values, then we have to use the gpio cansleep api. Fix the rfkill_gpio_set_power which calls only the nonsleep version (causing kernel warning). There is no problem to use the cansleep version here because we are not in IRQ handler or similar context (cf rfkill_set_block). Signed-off-by: Loic Poulain <loic.poulain@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* | net: rfkill: gpio: hard-code the gpio namesHeikki Krogerus2014-04-111-17/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | There is no need to dynamically generate the names. This will fix a static checker warning.. net/rfkill/rfkill-gpio.c:144 rfkill_gpio_probe() warn: variable dereferenced before check 'rfkill->name' Acked-by: Alexandre Courbot <acourbot@nvidia.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* | net: rfkill: gpio: add ACPI IDs for a Broadcom bluetooth chipHeikki Krogerus2014-04-111-0/+5
| | | | | | | | | | | | | | | | | | | | This adds ACPI IDs for Broadcom bluetooth chip BCM43241 used on various Baytrail based boards such as Lenovo Miix 2 and Asus Transformer Book T100TA. Acked-by: Alexandre Courbot <acourbot@nvidia.com> Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* | net: rfkill: gpio: add ACPI ID for GPS module on Lenovo Miix2Heikki Krogerus2014-04-111-0/+1
| | | | | | | | | | | | | | | | On Lenovo Miix 2 8", BCM4752 is renamed LNV4752. Acked-by: Alexandre Courbot <acourbot@nvidia.com> Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* | net: rfkill: gpio: remove unused and obsolete platform parametersHeikki Krogerus2014-04-111-14/+1
|/ | | | | | | | | | | | After upgrading to descriptor based gpios, the gpio numbers are not used anymore. The power_clk_name and the platform specific setup and close hooks are not used by anybody, and we should not encourage use of such things, so removing them. Acked-by: Alexandre Courbot <acourbot@nvidia.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* net: rfkill: gpio: convert to descriptor-based GPIO interfaceHeikki Krogerus2014-01-071-43/+34
| | | | | | | | | | Convert to the safer gpiod_* family of API functions. Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> Tested-by: Stephen Warren <swarren@nvidia.com> Acked-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* net: rfkill: gpio: add ACPI supportHeikki Krogerus2013-10-281-1/+30
| | | | | | | | | | Including ACPI ID for Broadcom GPS receiver BCM4752. Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Acked-by: Rhyland Klein <rklein@nvidia.com> Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com> Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* net: rfkill: gpio: prepare for DT and ACPI supportHeikki Krogerus2013-10-281-41/+51
| | | | | | | | | | | | This will add the relevant values like the gpios and the type in rfkill_gpio_platform_data to the rfkill_gpio_data structure. It will allow those values to be easily picked from DT and ACPI tables later. Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Acked-by: Rhyland Klein <rklein@nvidia.com> Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* net: rfkill: gpio: spinlock-safe GPIO accessHeikki Krogerus2013-10-281-8/+8
| | | | | | | | | | | This sets the direction of the gpio once when it's requested, and uses the spinlock-safe gpio_set_state() to change the state. Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Acked-by: Rhyland Klein <rklein@nvidia.com> Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* net: rfkill: gpio: clean up clock handlingHeikki Krogerus2013-10-281-27/+8
| | | | | | | | | | | Use a simple flag to see the state of the clock, and make the clock available even without a name. Also, get rid of HAVE_CLK dependency. Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Acked-by: Rhyland Klein <rklein@nvidia.com> Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* net: rfkill: gpio: convert to resource managed allocationHeikki Krogerus2013-10-281-55/+20
| | | | | | | | | And remove now unneeded resource freeing. Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Acked-by: Rhyland Klein <rklein@nvidia.com> Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* rfkill: fix error return code in rfkill_gpio_probe()Wei Yongjun2013-04-221-2/+5
| | | | | | | | | Fix to return a negative error code from the error handling case instead of 0, as returned elsewhere in this function. Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> [fix some indentation on the way] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* rfkill: remove __dev* attributesBill Pemberton2012-12-061-1/+1
| | | | | | | | | | | | | CONFIG_HOTPLUG is going away as an option. As result the __dev* markings will be going away. Remove use of __devinit, __devexit_p, __devinitdata, __devinitconst, and __devexit. Signed-off-by: Bill Pemberton <wfp5p@virginia.edu> Cc: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* net/rfkill/rfkill-gpio.c: introduce missing kfreeJulia Lawall2012-01-041-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Error handling code following a kmalloc should free the allocated data. The label fail_alloc already does this for rfkill. A simplified version of the semantic match that finds the problem is as follows: (http://coccinelle.lip6.fr) // <smpl> @r exists@ local idexpression x; statement S; identifier f1; position p1,p2; expression *ptr != NULL; @@ x@p1 = \(kmalloc\|kzalloc\|kcalloc\)(...); ... if (x == NULL) S <... when != x when != if (...) { <+...x...+> } x->f1 ...> ( return \(0\|<+...x...+>\|ptr\); | return@p2 ...; ) @script:python@ p1 << r.p1; p2 << r.p2; @@ print "* file: %s kmalloc %s return %s" % (p1[0].file,p1[0].line,p2[0].line) // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* net: rfkill: convert net/rfkill/* to use module_platform_driver()Axel Lin2011-11-301-12/+1
| | | | | | | | | | | | | | | This patch converts the drivers in net/rfkill/* to use the module_platform_driver() macro which makes the code smaller and a bit simpler. Cc: "David S. Miller" <davem@davemloft.net> Cc: "John W. Linville" <linville@tuxdriver.com> Cc: Johannes Berg <johannes@sipsolutions.net> Cc: Antonio Ospite <ospite@studenti.unina.it> Cc: Rhyland Klein <rklein@nvidia.com> Signed-off-by: Axel Lin <axel.lin@gmail.com> Acked-by: Rhyland Klein <rklein@nvidia.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* net:rfkill: add a gpio setup function into GPIO rfkillSangwook Lee2011-10-031-0/+11
| | | | | | | | | Add a gpio setup function which gives a chance to set up platform specific configuration such as pin multiplexing, input/output direction at the runtime or booting time. Signed-off-by: Sangwook Lee <sangwook.lee@linaro.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* net: rfkill: add generic gpio rfkill driverRhyland Klein2011-05-191-0/+227
This adds a new generic gpio rfkill driver to support rfkill switches which are controlled by gpios. The driver also supports passing in data about the clock for the radio, so that when rfkill is blocking, it can disable the clock. This driver assumes platform data is passed from the board files to configure it for specific devices. Original-patch-by: Anantha Idapalapati <aidapalapati@nvidia.com> Signed-off-by: Rhyland Klein <rklein@nvidia.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-29 08:36:48 +0000