/* * acpi_drivers.h ($Revision: 31 $) * * Copyright (C) 2001, 2002 Andy Grover * Copyright (C) 2001, 2002 Paul Diefenbaugh * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ * * 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. * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ #ifndef __ACPI_DRIVERS_H__ #define __ACPI_DRIVERS_H__ #define ACPI_MAX_STRING 80 /* * Please update drivers/acpi/debug.c and Documentation/acpi/debug.txt * if you add to this list. */ #define ACPI_BUS_COMPONENT 0x00010000 #define ACPI_AC_COMPONENT 0x00020000 #define ACPI_BATTERY_COMPONENT 0x00040000 #define ACPI_BUTTON_COMPONENT 0x00080000 #define ACPI_SBS_COMPONENT 0x00100000 #define ACPI_FAN_COMPONENT 0x00200000 #define ACPI_PCI_COMPONENT 0x00400000 #define ACPI_POWER_COMPONENT 0x00800000 #define ACPI_CONTAINER_COMPONENT 0x01000000 #define ACPI_SYSTEM_COMPONENT 0x02000000 #define ACPI_THERMAL_COMPONENT 0x04000000 #define ACPI_MEMORY_DEVICE_COMPONENT 0x08000000 #define ACPI_VIDEO_COMPONENT 0x10000000 #define ACPI_PROCESSOR_COMPONENT 0x20000000 /* * _HID definitions * HIDs must conform to ACPI spec(6.1.4) * Linux specific HIDs do not apply to this and begin with LNX: */ #define ACPI_POWER_HID "LNXPOWER" #define ACPI_PROCESSOR_OBJECT_HID "LNXCPU" #define ACPI_SYSTEM_HID "LNXSYSTM" #define ACPI_THERMAL_HID "LNXTHERM" #define ACPI_BUTTON_HID_POWERF "LNXPWRBN" #define ACPI_BUTTON_HID_SLEEPF "LNXSLPBN" #define ACPI_VIDEO_HID "LNXVIDEO" #define ACPI_BAY_HID "LNXIOBAY" #define ACPI_DOCK_HID "LNXDOCK" /* Quirk for broken IBM BIOSes */ #define ACPI_SMBUS_IBM_HID "SMBUSIBM" /* * For fixed hardware buttons, we fabricate acpi_devices with HID * ACPI_BUTTON_HID_POWERF or ACPI_BUTTON_HID_SLEEPF. Fixed hardware * signals only an event; it doesn't supply a notification value. * To allow drivers to treat notifications from fixed hardware the * same as those from real devices, we turn the events into this * notification value. */ #define ACPI_FIXED_HARDWARE_EVENT 0x100 /* -------------------------------------------------------------------------- PCI -------------------------------------------------------------------------- */ /* ACPI PCI Interrupt Link (pci_link.c) */ int acpi_irq_penalty_init(void); int acpi_pci_link_allocate_irq(acpi_handle handle, int index, int *triggering, int *polarity, char **name); int acpi_pci_link_free_irq(acpi_handle handle); /* ACPI PCI Device Binding (pci_bind.c) */ struct pci_bus; struct pci_dev *acpi_get_pci_dev(acpi_handle); /* Arch-defined function to add a bus to the system */ struct pci_bus *pci_acpi_scan_root(struct acpi_pci_root *root); #ifdef CONFIG_X86 void pci_acpi_crs_quirks(void); #else static inline void pci_acpi_crs_quirks(void) { } #endif /* -------------------------------------------------------------------------- Processor -------------------------------------------------------------------------- */ #define ACPI_PROCESSOR_LIMIT_NONE 0x00 #define ACPI_PROCESSOR_LIMIT_INCREMENT 0x01 #define ACPI_PROCESSOR_LIMIT_DECREMENT 0x02 /*-------------------------------------------------------------------------- Dock Station -------------------------------------------------------------------------- */ #ifdef CONFIG_ACPI_DOCK extern int is_dock_device(struct acpi_device *adev); #else static inline int is_dock_device(struct acpi_device *adev) { return 0; } #endif /* CONFIG_ACPI_DOCK */ #endif /*__ACPI_DRIVERS_H__*/ alue='15'>15space:mode:
authorTony Lindgren <tony@atomide.com>2017-01-19 08:49:07 -0800
committerVinod Koul <vinod.koul@intel.com>2017-01-25 11:29:11 +0530
commitae4a3e028bb8b59e7cfeb0cc9ef03d885182ce8b (patch)
tree139fc7e29f97d6bb6c4dca2a97be2dc3f824bd51 /include/dt-bindings/phy
parent49def1853334396f948dcb4cedb9347abb318df5 (diff)
dmaengine: cppi41: Fix runtime PM timeouts with USB mass storage
Commit fdea2d09b997 ("dmaengine: cppi41: Add basic PM runtime support") added runtime PM support for cppi41, but had corner case issues. Some of the issues were fixed with commit 098de42ad670 ("dmaengine: cppi41: Fix unpaired pm runtime when only a USB hub is connected"). That fix however caused a new regression where we can get error -115 messages with USB on BeagleBone when connecting a USB mass storage device to a hub. This is because when connecting a USB mass storage device to a hub, the initial DMA transfers can take over 200ms to complete and cppi41 autosuspend delay times out. To fix the issue, we want to implement refcounting for chan_busy array that contains the active dma transfers. Increasing the autosuspend delay won't help as that the delay could be potentially seconds, and it's best to let the USB subsystem to deal with the timeouts on errors. The earlier attempt for runtime PM was buggy as the pm_runtime_get/put() calls could get unpaired easily as they did not follow the state of the chan_busy array as described in commit 098de42ad670 ("dmaengine: cppi41: Fix unpaired pm runtime when only a USB hub is connected". Let's fix the issue by adding pm_runtime_get() to where a new transfer is added to the chan_busy array, and calls to pm_runtime_put() where chan_busy array entry is cleared. This prevents any autosuspend timeouts from happening while dma transfers are active. Fixes: 098de42ad670 ("dmaengine: cppi41: Fix unpaired pm runtime when only a USB hub is connected") Fixes: fdea2d09b997 ("dmaengine: cppi41: Add basic PM runtime support") Cc: Andy Shevchenko <andy.shevchenko@gmail.com> Cc: Bin Liu <b-liu@ti.com> Cc: Grygorii Strashko <grygorii.strashko@ti.com> Cc: Kevin Hilman <khilman@baylibre.com> Cc: Patrick Titiano <ptitiano@baylibre.com> Cc: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by: Tony Lindgren <tony@atomide.com> Tested-by: Bin Liu <b-liu@ti.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'include/dt-bindings/phy')