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* ARM: pxa: magician: Remove pdata for pasic3-ledsPetr Cvek2015-10-141-42/+1
| | | | | | | | | | | | | The pasic3-leds driver was never in vanilla kernel. Actual configuration data for a hypothetical driver does not describe hardware completely, so remove them. This patch prepare HTC Magician machine code to pasic3-leds driver addition. Signed-off-by: Petr Cvek <petr.cvek@tul.cz> Acked-by: Philipp Zabel <philipp.zabel@gmail.com> Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
* ARM: pxa: magician: Add support for PXA27x UDCPetr Cvek2015-10-141-0/+22
| | | | | | | | A PXA27x SoC supports USB device mode, this patch adds support for that. Signed-off-by: Petr Cvek <petr.cvek@tul.cz> Acked-by: Philipp Zabel <philipp.zabel@gmail.com> Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
* ARM: pxa: magician: Add support for MAX1587A Vcore regulatorPetr Cvek2015-10-141-0/+52
| | | | | | | | | | | | | | HTC Magician contains a MAX1587A voltage regulator for a Vcore supply. The Vcore regulation is required for a CPU speed switching. This patch adds declaration for the max1586 driver. Notice: - MAX1587A version does not support the V6 (USIM) output. - A boost resistor was directly measured for a board_id 0x3a. Signed-off-by: Petr Cvek <petr.cvek@tul.cz> Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
* ARM: pxa: magician: Change comments to be more informativePetr Cvek2015-10-141-13/+29
| | | | | | | | This patch changes the comments in the HTC Magician machine source code to better describe used devices and interfaces. Signed-off-by: Petr Cvek <petr.cvek@tul.cz> Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
* ARM: pxa: magician: Move platform_add_devices() to the end of magician_init()Petr Cvek2015-10-141-1/+2
| | | | | | | | | | | This patch moves platform_add_devices() (standard declaration of devices) outside of the platform specific device declarations. Moving to the end of the magician_init() clarifies the source code (standard and specific declaration are not mixed). Signed-off-by: Petr Cvek <petr.cvek@tul.cz> Acked-by: Philipp Zabel <philipp.zabel@gmail.com> Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
* ARM: pxa: magician: Add missing regulator for PWM backlightPetr Cvek2015-10-141-0/+13
| | | | | | | | | | Add a fake regulator, which is required for the correct initialization of the PWM backlight driver. Signed-off-by: Petr Cvek <petr.cvek@tul.cz> Acked-by: Philipp Zabel <philipp.zabel@gmail.com> [ added a missing include for fixed regulator ] Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
* ARM: pxa: magician: Add debug message for backlight brightness functionPetr Cvek2015-10-141-0/+1
| | | | | | | Add a debug message for the backlight brightness function. Signed-off-by: Petr Cvek <petr.cvek@tul.cz> Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
* ARM: pxa: magician: Remove definition of the STUART portPetr Cvek2015-10-141-1/+0
| | | | | | | | | | | Magician STUART port is connected to the infraport and used by the FICP driver. The FICP driver uses its own definition. Required for correct initialization of the pxaficp_ir driver after planned dmaengine conversion. Signed-off-by: Petr Cvek <petr.cvek@tul.cz> Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
* ARM: pxa: magician: Fix wrongly enabled USB host portsPetr Cvek2015-10-141-1/+3
| | | | | | | | USB host ports on the HTC Magician are wrongly enabled. Port 1 is for bluetooth and port 2 is for OTG (mux in the charger connector). Signed-off-by: Petr Cvek <petr.cvek@tul.cz> Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
* ARM: pxa: magician: Fix support for Intel Strata NOR FlashPetr Cvek2015-10-141-0/+45
| | | | | | | | | | | | Old definition for the physmap-flash driver is incomplete: - Use of an EGPIO without previous request - Missing the MTD partitions This patch fixes it. Read functionality was tested on the machine with board_id 0x3a. Writing was not tested. Signed-off-by: Petr Cvek <petr.cvek@tul.cz> Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
* ARM: pxa: magician: Fix redundant GPIO request for pxaficp_irPetr Cvek2015-10-141-1/+1
| | | | | | | | The pxaficp_ir driver requests a power GPIO for the transceiver internally, so a global GPIO allocation in magician_init() is redundant. Signed-off-by: Petr Cvek <petr.cvek@tul.cz> Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
* ARM: pxa: magician: Fix platform data for both PXA27x I2C controllersPetr Cvek2015-10-141-2/+11
| | | | | | | | | | | | | | | | | | | | | This patch changes fast_mode settings for the normal and power I2C controller on the HTC Magician machine. Connected device on the Power I2C: - MAX1587A: working in the fast mode Connected devices on the Normal I2C: - UDA1380: working in the fast mode - OV9640: bus became stuck in the fast mode The OV9640 is not using a standard I2C protocol, but an SCCB variant. Maybe it is not fully compatible in the fast mode. Therefore fast mode for normal I2C is disabled. If you not using the OV9640 then you can enable the fast mode for the UDA1380. Signed-off-by: Petr Cvek <petr.cvek@tul.cz> [included Philipp Zabel's comment change] Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
* ARM: pxa: magician: Fix and add charging detection functionsPetr Cvek2015-10-141-7/+50
| | | | | | | | | This patch fixes the charging detection functions for pda_power driver (according to newly discovered EGPIOs) and add NiCd backup accumulator charging support. Signed-off-by: Petr Cvek <petr.cvek@tul.cz> Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
* ARM: pxa: magician: Optimize Samsung LCD refresh to 50HzPetr Cvek2015-10-141-1/+1
| | | | | | | | | | | Change the default Samsung LCD refresh from an unrealistic 117Hz to 50Hz as no video applications on the HTC Magician can work that fast. The optimalization lowers the RAM latency at least by 3%. Signed-off-by: Petr Cvek <petr.cvek@tul.cz> Acked-by: Philipp Zabel <philipp.zabel@gmail.com> Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
* ARM: pxa: magician: Rename charger cable detection EGPIOsPetr Cvek2015-10-142-7/+12
| | | | | | | | | | | | | | | | | | | | | | This patch renames EGPIOs, which are used for the charging cable presence and type detection. Old names did not correspond with an observed functionality (on board_id 0x3a). The behavior is not: - AC charger - USB charger - Cable detection , but: - AC/USB type - Cable detection1 - Cable detection2 This patch fixes a possible typo in the bit offset for the cable detection EGPIO declaration, too. Signed-off-by: Petr Cvek <petr.cvek@tul.cz> Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
* ARM: pxa: magician: Optimize powerup delays for Samsung LCDPetr Cvek2015-10-141-8/+6
| | | | | | | | | Delays for the Samsung LCD are greater than needed. These values were extracted from a datasheet. Signed-off-by: Petr Cvek <petr.cvek@tul.cz> Acked-by: Philipp Zabel <philipp.zabel@gmail.com> Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
* ARM: pxa: magician: Rename abstract LCD GPIOsPetr Cvek2015-10-142-18/+21
| | | | | | | | | | This patch renames GPIOs, which are used to control the power lines to the LCD screen. New names correspond to a real functionality, which was measured on the HTC Magician board_id 0x3a. Signed-off-by: Petr Cvek <petr.cvek@tul.cz> Acked-by: Philipp Zabel <philipp.zabel@gmail.com> Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
* ARM: pxa: magician: Add new discovered EGPIO pinsPetr Cvek2015-10-141-1/+4
| | | | | | | | | This patch adds EGPIO pins: Infra transceiver power, NiCD charging and inserted charger cable. Signed-off-by: Petr Cvek <petr.cvek@tul.cz> Acked-by: Philipp Zabel <philipp.zabel@gmail.com> Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
* ARM: pxa: magician: Change description of LCD power GPIOPetr Cvek2015-10-141-1/+1
| | | | | | | | | This patch changes the description of the LCD power GPIO to be more specific. Signed-off-by: Petr Cvek <petr.cvek@tul.cz> Acked-by: Philipp Zabel <philipp.zabel@gmail.com> Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
* ARM: pxa: magician: Optimize debug messages for LCD powerPetr Cvek2015-10-141-6/+2
| | | | | | | | Optimize the debug messages for the LCD power. Signed-off-by: Petr Cvek <petr.cvek@tul.cz> Acked-by: Philipp Zabel <philipp.zabel@gmail.com> Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
* ARM: pxa: magician: Print more specific error message for global GPIOsPetr Cvek2015-10-141-1/+1
| | | | | | | | Print more specific error message for global GPIOs. Signed-off-by: Petr Cvek <petr.cvek@tul.cz> Acked-by: Philipp Zabel <philipp.zabel@gmail.com> Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
* ARM: pxa: magician: Fix indentation in machine filesPetr Cvek2015-10-142-209/+209
| | | | | | | | This patch fixes the indentation for the HTC Magician machine definition. Signed-off-by: Petr Cvek <petr.cvek@tul.cz> Acked-by: Philipp Zabel <philipp.zabel@gmail.com> Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
* ARM: pxa: zylonite: Use PWM lookup tableThierry Reding2015-10-141-2/+7
| | | | | | | | | | | | | Use a PWM lookup table to provide the PWM to the pwm-backlight device. The driver has a legacy code path that is required only because boards still use the legacy method of requesting PWMs by global ID. Replacing these usages allows that legacy fallback to be removed. Cc: Daniel Mack <daniel@zonque.org> Cc: Haojian Zhuang <haojian.zhuang@gmail.com> Cc: Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by: Thierry Reding <thierry.reding@gmail.com> Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
* ARM: pxa: z2: Use PWM lookup tableThierry Reding2015-10-141-4/+9
| | | | | | | | | | | | | Use a PWM lookup table to provide the PWM to the pwm-backlight device. The driver has a legacy code path that is required only because boards still use the legacy method of requesting PWMs by global ID. Replacing these usages allows that legacy fallback to be removed. Cc: Daniel Mack <daniel@zonque.org> Cc: Haojian Zhuang <haojian.zhuang@gmail.com> Cc: Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by: Thierry Reding <thierry.reding@gmail.com> Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
* ARM: pxa: tavorevb: Use PWM lookup tableThierry Reding2015-10-141-4/+9
| | | | | | | | | | | | | Use a PWM lookup table to provide the PWM to the pwm-backlight device. The driver has a legacy code path that is required only because boards still use the legacy method of requesting PWMs by global ID. Replacing these usages allows that legacy fallback to be removed. Cc: Daniel Mack <daniel@zonque.org> Cc: Haojian Zhuang <haojian.zhuang@gmail.com> Cc: Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by: Thierry Reding <thierry.reding@gmail.com> Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
* ARM: pxa: cm-x300: Use PWM lookup tableThierry Reding2015-10-141-2/+7
| | | | | | | | | | | | | Use a PWM lookup table to provide the PWM to the pwm-backlight device. The driver has a legacy code path that is required only because boards still use the legacy method of requesting PWMs by global ID. Replacing these usages allows that legacy fallback to be removed. Cc: Daniel Mack <daniel@zonque.org> Cc: Haojian Zhuang <haojian.zhuang@gmail.com> Cc: Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by: Thierry Reding <thierry.reding@gmail.com> Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
* ARM: pxa: palmtc: Use PWM lookup tableThierry Reding2015-10-141-2/+7
| | | | | | | | | | | | | Use a PWM lookup table to provide the PWM to the pwm-backlight device. The driver has a legacy code path that is required only because boards still use the legacy method of requesting PWMs by global ID. Replacing these usages allows that legacy fallback to be removed. Cc: Daniel Mack <daniel@zonque.org> Cc: Haojian Zhuang <haojian.zhuang@gmail.com> Cc: Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by: Thierry Reding <thierry.reding@gmail.com> Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
* ARM: pxa: viper: Use PWM lookup tableThierry Reding2015-10-141-2/+7
| | | | | | | | | | | | | Use a PWM lookup table to provide the PWM to the pwm-backlight device. The driver has a legacy code path that is required only because boards still use the legacy method of requesting PWMs by global ID. Replacing these usages allows that legacy fallback to be removed. Cc: Daniel Mack <daniel@zonque.org> Cc: Haojian Zhuang <haojian.zhuang@gmail.com> Cc: Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by: Thierry Reding <thierry.reding@gmail.com> Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
* ARM: pxa: raumfeld: Use PWM lookup tableThierry Reding2015-10-141-3/+8
| | | | | | | | | | | | | Use a PWM lookup table to provide the PWM to the pwm-backlight device. The driver has a legacy code path that is required only because boards still use the legacy method of requesting PWMs by global ID. Replacing these usages allows that legacy fallback to be removed. Cc: Daniel Mack <daniel@zonque.org> Cc: Haojian Zhuang <haojian.zhuang@gmail.com> Cc: Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by: Thierry Reding <thierry.reding@gmail.com> Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
* ARM: pxa: pcm990: Use PWM lookup tableThierry Reding2015-10-141-2/+7
| | | | | | | | | | | | | Use a PWM lookup table to provide the PWM to the pwm-backlight device. The driver has a legacy code path that is required only because boards still use the legacy method of requesting PWMs by global ID. Replacing these usages allows that legacy fallback to be removed. Cc: Daniel Mack <daniel@zonque.org> Cc: Haojian Zhuang <haojian.zhuang@gmail.com> Cc: Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by: Thierry Reding <thierry.reding@gmail.com> Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
* ARM: pxa: palmte2: Use PWM lookup tableThierry Reding2015-10-141-2/+7
| | | | | | | | | | | | | Use a PWM lookup table to provide the PWM to the pwm-backlight device. The driver has a legacy code path that is required only because boards still use the legacy method of requesting PWMs by global ID. Replacing these usages allows that legacy fallback to be removed. Cc: Daniel Mack <daniel@zonque.org> Cc: Haojian Zhuang <haojian.zhuang@gmail.com> Cc: Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by: Thierry Reding <thierry.reding@gmail.com> Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
* ARM: pxa: palm27x: Use PWM lookup tableThierry Reding2015-10-141-2/+7
| | | | | | | | | | | | | Use a PWM lookup table to provide the PWM to the pwm-backlight device. The driver has a legacy code path that is required only because boards still use the legacy method of requesting PWMs by global ID. Replacing these usages allows that legacy fallback to be removed. Cc: Daniel Mack <daniel@zonque.org> Cc: Haojian Zhuang <haojian.zhuang@gmail.com> Cc: Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by: Thierry Reding <thierry.reding@gmail.com> Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
* ARM: pxa: mioa701: Use PWM lookup tableThierry Reding2015-10-141-2/+7
| | | | | | | | | | | | | Use a PWM lookup table to provide the PWM to the pwm-backlight device. The driver has a legacy code path that is required only because boards still use the legacy method of requesting PWMs by global ID. Replacing these usages allows that legacy fallback to be removed. Cc: Daniel Mack <daniel@zonque.org> Cc: Haojian Zhuang <haojian.zhuang@gmail.com> Cc: Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by: Thierry Reding <thierry.reding@gmail.com> Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
* ARM: pxa: mainstone: Use PWM lookup tableThierry Reding2015-10-141-4/+15
| | | | | | | | | | | | | | Use a PWM lookup table to provide the PWM to the pwm-backlight device. The driver has a legacy code path that is required only because boards still use the legacy method of requesting PWMs by global ID. Replacing these usages allows that legacy fallback to be removed. Cc: Daniel Mack <daniel@zonque.org> Cc: Haojian Zhuang <haojian.zhuang@gmail.com> Cc: Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by: Thierry Reding <thierry.reding@gmail.com> [ split pwm_remove_table() call on 2 lines ] Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
* ARM: pxa: magician: Use PWM lookup tableThierry Reding2015-10-061-2/+7
| | | | | | | | | | | | | | Use a PWM lookup table to provide the PWM to the pwm-backlight device. The driver has a legacy code path that is required only because boards still use the legacy method of requesting PWMs by global ID. Replacing these usages allows that legacy fallback to be removed. Cc: Daniel Mack <daniel@zonque.org> Cc: Haojian Zhuang <haojian.zhuang@gmail.com> Cc: Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by: Thierry Reding <thierry.reding@gmail.com> Acked-by: Philipp Zabel <philipp.zabel@gmail.com> Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
* ARM: pxa: lpd270: Use PWM lookup tableThierry Reding2015-10-061-2/+7
| | | | | | | | | | | | | Use a PWM lookup table to provide the PWM to the pwm-backlight device. The driver has a legacy code path that is required only because boards still use the legacy method of requesting PWMs by global ID. Replacing these usages allows that legacy fallback to be removed. Cc: Daniel Mack <daniel@zonque.org> Cc: Haojian Zhuang <haojian.zhuang@gmail.com> Cc: Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by: Thierry Reding <thierry.reding@gmail.com> Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
* ARM: pxa: hx4700: Remove unused field initializersThierry Reding2015-10-061-2/+0
| | | | | | | | | | | | | The ID and period for the backlight PWM are obtained from a PWM lookup table, so the corresponding values don't need to be duplicated into the platform data. Cc: Daniel Mack <daniel@zonque.org> Cc: Haojian Zhuang <haojian.zhuang@gmail.com> Cc: Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by: Thierry Reding <thierry.reding@gmail.com> Acked-by: Philipp Zabel <philipp.zabel@gmail.com> Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
* ARM: pxa: ezx: Use PWM lookup tableThierry Reding2015-10-051-2/+7
| | | | | | | | | | | | | Use a PWM lookup table to provide the PWM to the pwm-backlight device. The driver has a legacy code path that is required only because boards still use the legacy method of requesting PWMs by global ID. Replacing these usages allows that legacy fallback to be removed. Cc: Daniel Mack <daniel@zonque.org> Cc: Haojian Zhuang <haojian.zhuang@gmail.com> Cc: Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by: Thierry Reding <thierry.reding@gmail.com> Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
* ARM: pxa: colibri-pxa270-income: Use PWM lookup tableThierry Reding2015-10-051-2/+7
| | | | | | | | | | | | | Use a PWM lookup table to provide the PWM to the pwm-backlight device. The driver has a legacy code path that is required only because boards still use the legacy method of requesting PWMs by global ID. Replacing these usages allows that legacy fallback to be removed. Cc: Daniel Mack <daniel@zonque.org> Cc: Haojian Zhuang <haojian.zhuang@gmail.com> Cc: Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by: Thierry Reding <thierry.reding@gmail.com> Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
* ARM: pxa: mioa701: add wm9713 codecRobert Jarzmik2015-09-261-0/+2
| | | | | | | The mioa701 is using the wm9713 for audio, battery and touchscreen. Add the missing audio part, which disappeared. Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
* ARM: pxa: add resources to pxaficp_irRobert Jarzmik2015-09-261-0/+20
| | | | | | | | | Add io memory and dma requestor lines to the irda pxa device. This is part of the conversion of pxaficp_ir to dmaengine, and to shrink its adherence to 'mach' includes. Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr> Tested-by: Petr Cvek <petr.cvek@tul.cz>
* ARM: pxa: Remove unused clock_enable field from struct pxa2xx_spi_masterJarkko Nikula2015-09-205-12/+0
| | | | | | | | | | | | | Use for struct pxa2xx_spi_master clock_enable field was removed years ago from the pxa2xx-spi driver by the commit 2f1a74e5a2de ("[ARM] pxa: make pxa2xx_spi driver use ssp_request()/ssp_free()"). Therefore remove it from structure definition, documentation and from couple affected board files. Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com> Acked-by: Mark Brown <broonie@kernel.org> Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
* Linux 4.3-rc1v4.3-rc1Linus Torvalds2015-09-131-2/+2
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* Merge tag 'cris-for-4.3' of ↵Linus Torvalds2015-09-1250-421/+220
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/jesper/cris Pull CRIS updates from Jesper Nilsson: "Mostly removal of old cruft of which we can use a generic version, or fixes for code not commonly run in the cris port, but also additions to enable some good debug" * tag 'cris-for-4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/jesper/cris: (25 commits) CRISv10: delete unused lib/dmacopy.c CRISv10: delete unused lib/old_checksum.c CRIS: fix switch_mm() lockdep splat CRISv32: enable LOCKDEP_SUPPORT CRIS: add STACKTRACE_SUPPORT CRISv32: annotate irq enable in idle loop CRISv32: add support for irqflags tracing CRIS: UAPI: use generic types.h CRIS: UAPI: use generic shmbuf.h CRIS: UAPI: use generic msgbuf.h CRIS: UAPI: use generic socket.h CRIS: UAPI: use generic sembuf.h CRIS: UAPI: use generic sockios.h CRIS: UAPI: use generic auxvec.h CRIS: UAPI: use generic headers via Kbuild CRIS: UAPI: fix elf.h export CRIS: don't make asm/elf.h depend on asm/user.h CRIS: UAPI: fix ptrace.h CRISv32: Squash compile warnings for axisflashmap CRISv32: Add GPIO driver to the default configs ...
| * CRISv10: delete unused lib/dmacopy.cRabin Vincent2015-09-051-42/+0
| | | | | | | | | | | | | | This file is never built. Signed-off-by: Rabin Vincent <rabin@rab.in> Signed-off-by: Jesper Nilsson <jespern@axis.com>
| * CRISv10: delete unused lib/old_checksum.cRabin Vincent2015-09-051-86/+0
| | | | | | | | | | | | | | This file is never built. Signed-off-by: Rabin Vincent <rabin@rab.in> Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
| * CRIS: fix switch_mm() lockdep splatRabin Vincent2015-09-051-1/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | With lockdep support implemented on CRISv32, we get the following splat. switch_mm() can be called both from the scheduler() (with interrupts disabled) and from flush_old_exec (via activate_mm()), with interrupts enabled. Fix it by disabling interrupts in activate_mm(), similar to powerpc and hexagon. t====================================================== [ INFO: HARDIRQ-safe -> HARDIRQ-unsafe lock order detected ] 3.19.0-08802-g20bc9f1-dirty #323 Not tainted ------------------------------------------------------ init/1 [HC0[0]:SC0[0]:HE0:SE1] is trying to acquire: (mmu_context_lock){+.+...}, at: [<c0009290>] switch_mm+0x22/0xc6 and this task is already holding: (&rq->lock){-.-.-.}, at: [<c01a0756>] __schedule+0x5e/0x648 which would create a new lock dependency: (&rq->lock){-.-.-.} -> (mmu_context_lock){+.+...} but this new dependency connects a HARDIRQ-irq-safe lock: (&rq->lock){-.-.-.} ... which became HARDIRQ-irq-safe at: [<c002b03c>] scheduler_tick+0x28/0x5e [<c0007c6c>] timer_interrupt+0x4e/0x6a [<c0043ac4>] handle_irq_event_percpu+0x54/0x13c [<c004343c>] generic_handle_irq+0x2a/0x36 to a HARDIRQ-irq-unsafe lock: (mmu_context_lock){+.+...} ... which became HARDIRQ-irq-unsafe at: ... [<c0039e60>] __lock_acquire+0x8f8/0x1d9c [<c0009290>] switch_mm+0x22/0xc6 [<c009c260>] flush_old_exec+0x500/0x5d4 [<c00da4c6>] load_elf_phdrs+0x7a/0x84 [<c00dbdb0>] load_elf_binary+0x21c/0x13b4 [<c009cdb6>] do_execve+0x22/0x2c [<c001dcf2>] ____call_usermodehelper+0x0/0x154 [<c000581e>] ret_from_kernel_thread+0xe/0x14 other info that might help us debug this: Possible interrupt unsafe locking scenario: CPU0 CPU1 ---- ---- lock(mmu_context_lock); local_irq_disable(); lock(&rq->lock); lock(mmu_context_lock); <Interrupt> lock(&rq->lock); *** DEADLOCK *** 1 lock held by init/1: #0: (&rq->lock){-.-.-.}, at: [<c01a0756>] __schedule+0x5e/0x648 Call Trace: [<c019fe9e>] printk+0x0/0x4e [<c00368f8>] print_shortest_lock_dependencies+0x0/0x15c [<c0048628>] print_stack_trace+0x0/0x88 [<c0038912>] __lock_is_held+0x3e/0x5e [<c003b894>] lock_acquire+0x8a/0xcc [<c01a50c4>] _raw_spin_lock+0x44/0x7a [<c0009290>] switch_mm+0x22/0xc6 [<c01a06f8>] __schedule+0x0/0x648 [<c01a0d76>] schedule+0x36/0x7c [<c0037d04>] trace_hardirqs_on+0x0/0x1e [<c0004e18>] do_work_pending+0x30/0xd4 [<c000591a>] _work_pending+0xe/0x12 Signed-off-by: Rabin Vincent <rabin@rab.in> Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
| * CRISv32: enable LOCKDEP_SUPPORTRabin Vincent2015-09-051-0/+4
| | | | | | | | | | | | | | | | Now that we have stack tracing and irq flags tracing support, we can also enable lockdep support Signed-off-by: Rabin Vincent <rabin@rab.in> Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
| * CRIS: add STACKTRACE_SUPPORTRabin Vincent2015-09-054-0/+88
| | | | | | | | | | | | | | | | | | | | Add stacktrace support, which is required for lockdep and tracing. The stack tracing simply looks at all kernel text symbols found on the stack, similar to the trap stack dumping code, which can also be converted to use this. Signed-off-by: Rabin Vincent <rabin@rab.in> Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
| * CRISv32: annotate irq enable in idle loopRabin Vincent2015-09-051-2/+2
| | | | | | | | | | | | | | | | Use a call to local_irq_enable() instead of incline asm so that the irqsoff latency tracer knows that interrupts are enabled here. Signed-off-by: Rabin Vincent <rabin@rab.in> Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
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