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Mike Lockwood [Mon, 8 Nov 2010 15:41:31 +0000 (10:41 -0500)]
USB: gadget: f_mtp: MTP driver cleanup:
Use a work queue instead of a separate thread for file transfer ioctls
(note: the file transfer must be done on a kernel thread rather than in
process context so vfs_read and vfs_write will use the correct address space
for the buffers)
Enforce requirement that only one ioctl call may be active at a time,
and remove mutex in mtp_send_event that is now no longer necessary.
Synchronize around use of shared variables to avoid SMP issues
Fix mismatched calls to fget and fput
Signed-off-by: Mike Lockwood <lockwood@android.com>
Benoit Goby [Fri, 24 Sep 2010 01:34:27 +0000 (18:34 -0700)]
usb: gadget: android: Remove WAKEUP flag from bmAttributes
Remove USB_CONFIG_ATT_WAKEUP from bmAttributes as we don't
support remote wakeup. This fixes an issue with the USB 2.0
compliance test tool.
Change-Id: Ic15e44710069f3f05ace6a82bbfa2b85a3649027
Signed-off-by: Benoit Goby <benoit@android.com>
Mike Lockwood [Mon, 23 Aug 2010 12:17:21 +0000 (08:17 -0400)]
USB: gadget: android: Disable MTP when RNDIS function is enabled.
Signed-off-by: Mike Lockwood <lockwood@android.com>
Mike Lockwood [Tue, 6 Jul 2010 23:27:52 +0000 (19:27 -0400)]
USB: gadget: f_mtp: Add ioctl for sending events via the interrupt endpoint
Signed-off-by: Mike Lockwood <lockwood@android.com>
Dmitry Shmidt [Fri, 2 Jul 2010 21:47:44 +0000 (14:47 -0700)]
drivers: usb: gadget: rndis: Fix section mismatch warning
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
Dmitry Shmidt [Fri, 2 Jul 2010 21:37:57 +0000 (14:37 -0700)]
drivers: usb: gadget: mass_storage: Fix section mismatch warning
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
Dmitry Shmidt [Fri, 2 Jul 2010 19:46:34 +0000 (12:46 -0700)]
drivers: usb: gadget: Fix section mismatch warning
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
Mike Lockwood [Mon, 28 Jun 2010 20:19:32 +0000 (16:19 -0400)]
USB: composite: Add usb_composite_force_reset utility to force enumeration
Use this rather than calling usb_gadget_disconnect and usb_gadget_connect
directly to avoid sending USB disconnect events to userspace when resetting
the bus.
Signed-off-by: Mike Lockwood <lockwood@android.com>
Mike Lockwood [Mon, 28 Jun 2010 19:29:00 +0000 (15:29 -0400)]
USB: gadget: android: Remove unused function android_usb_set_connected()
Signed-off-by: Mike Lockwood <lockwood@android.com>
Mike Lockwood [Mon, 28 Jun 2010 00:05:55 +0000 (20:05 -0400)]
USB: gadget: composite: Move switch_set_state calls to a work queue
Signed-off-by: Mike Lockwood <lockwood@android.com>
Mike Lockwood [Fri, 16 Apr 2010 14:39:22 +0000 (10:39 -0400)]
USB: gadget: f_mtp: USB gadget function driver for MTP and PTP device support.
Signed-off-by: Mike Lockwood <lockwood@android.com>
Mike Lockwood [Fri, 16 Apr 2010 19:32:15 +0000 (15:32 -0400)]
USB: composite: Add support for functions overriding USB_DT_STRING descriptors
Needed for MTP support.
Signed-off-by: Mike Lockwood <lockwood@android.com>
Mike Lockwood [Wed, 23 Jun 2010 12:20:59 +0000 (08:20 -0400)]
USB: gadget: composite: Add userspace notifications for USB state changes
Add switch to notify current USB configuration. This can be used to detect
USB connect and disconnect events.
Broadcast a change via the usb_composite class when a USB function is
enabled or disabled.
Rename usb_function.hidden to usb_function.disabled.
Signed-off-by: Mike Lockwood <lockwood@android.com>
Mike Lockwood [Wed, 16 Jun 2010 00:34:25 +0000 (17:34 -0700)]
USB: gadget: f_mass_storage: Integrate android customizations
Integrate support for android composite driver and platform data
within CONFIG_USB_ANDROID_MASS_STORAGE.
Signed-off-by: Mike Lockwood <lockwood@android.com>
Velempati Chiranjeevi [Wed, 21 Oct 2009 04:23:10 +0000 (09:53 +0530)]
USB: android gadget: mass storage: Fix format issue for Vista Host
As part of formating the mass storage device, Host sends the INQUIRY
scsi command. As per the standard, the command length for this
command should be 6 bytes, whereas the Vista host sends 12 bytes.
When the command length of the command is not equal to the standard
length, the device sends a phase error as part of the status phase.
When the host receives a phase error, it re-enumerates, hence the
error.
If the command is INQUIRY, and the command length is 12 bytes,
treating this as a good command and not sending the phase error
to the host fixes this issue.
Signed-off-by: Velempati Chiranjeevi <c_cvelem@qualcomm.com>
Signed-off-by: Mike Lockwood <lockwood@android.com>
Mike Lockwood [Thu, 15 Apr 2010 19:04:07 +0000 (15:04 -0400)]
USB: gadget: f_mass_storage: Defer handling interface changes until it is safe.
Pulling in some code from file_storage.c, we now handle interface changes
in do_set_config(), which is now not called until any pending requests have
been successfully completed or cancelled.
This fixes a race condition that resulted in usb_ep_free_request() being called
while the request is still busy.
Signed-off-by: Mike Lockwood <lockwood@android.com>
Arve Hjønnevåg [Thu, 11 Dec 2008 04:01:15 +0000 (20:01 -0800)]
USB: gadget: android: mass_storage: Use spin_lock_irqsave/spin_unlock_irqrestore
The old code did not allways disable interrupts when called from thread
context, but tried to lock the same spinlock from interrupt context.
This was merged from a change to drivers/usb/function/mass_storage.c
in the android-msm-2.6.29 branch.
Signed-off-by: Arve Hjønnevåg <arve@android.com>
Signed-off-by: Mike Lockwood <lockwood@android.com>
Mike Lockwood [Wed, 17 Mar 2010 19:42:29 +0000 (15:42 -0400)]
USB: gadget: android: check for null _android_dev in android_register_function()
This fixes a load ordering issue that occurred if a function driver loads before
the android gadget driver is initialized.
Signed-off-by: Mike Lockwood <lockwood@android.com>
Mike Lockwood [Fri, 12 Mar 2010 16:01:05 +0000 (11:01 -0500)]
USB: gadget: f_mass_storage: Flush writes after every 4 MB.
This avoids excessive caching at the block level layer when copying large
files to the storage device.
Signed-off-by: Mike Lockwood <lockwood@android.com>
Mike Lockwood [Wed, 10 Mar 2010 22:05:03 +0000 (17:05 -0500)]
USB: gadget: f_rndis: Add platform data for RNDIS vendor ID and MAC address.
This fixes a kernel panic in rndis.c when receiving the
OID_GEN_VENDOR_DESCRIPTION command.
Signed-off-by: Mike Lockwood <lockwood@android.com>
Mike Lockwood [Fri, 26 Feb 2010 14:34:19 +0000 (09:34 -0500)]
USB: gadget: composite: Don't increment interface number for alt settings.
Signed-off-by: Mike Lockwood <lockwood@android.com>
Mike Lockwood [Fri, 26 Feb 2010 14:30:01 +0000 (09:30 -0500)]
USB: gadget: composite: Don't call set_alt() on functions that are hidden.
Signed-off-by: Mike Lockwood <lockwood@android.com>
Mike Lockwood [Wed, 24 Feb 2010 15:20:59 +0000 (10:20 -0500)]
USB: gadget: android: Disable UMS when RNDIS ethernet is active.
Signed-off-by: Mike Lockwood <lockwood@android.com>
Mike Lockwood [Thu, 18 Feb 2010 14:50:28 +0000 (09:50 -0500)]
usb: gadget: u_ether: Remove warning from gether_disconnect()
gether_disconnect() is always called before gether_connect() by the different
USB ethernet functions, so this warning was firing during normal operation.
Change-Id: I178cc7d1f67e9e87ac2e99c6674c4db8fcddf4a0
Signed-off-by: Mike Lockwood <lockwood@android.com>
Steve Kondik [Wed, 17 Feb 2010 17:59:29 +0000 (12:59 -0500)]
Add USB_ANDROID_RNDIS_WCEIS option.
Change-Id: I85973ebfcbfae6b401fb8b402842309c72655149
Signed-off-by: Mike Lockwood <lockwood@android.com>
Mike Lockwood [Sat, 13 Feb 2010 21:37:16 +0000 (16:37 -0500)]
USB: gadget: android: Fix special case for RNDIS ethernet function
Only set device descriptor bDeviceClass field to USB_CLASS_COMM when
the RNDIS function is actually enabled.
Signed-off-by: Mike Lockwood <lockwood@android.com>
Mike Lockwood [Sun, 14 Feb 2010 00:16:07 +0000 (19:16 -0500)]
USB: composite: Compute interface numbers correctly when functions are hidden.
Signed-off-by: Mike Lockwood <lockwood@android.com>
Mike Lockwood [Wed, 10 Feb 2010 20:26:58 +0000 (15:26 -0500)]
USB: gadget: android: Specify USB_CLASS_COMM in device descriptor if using RNDIS
Signed-off-by: Mike Lockwood <lockwood@android.com>
Mike Lockwood [Mon, 8 Feb 2010 10:33:54 +0000 (05:33 -0500)]
USB: gadget: Disable RNDIS function by default if CONFIG_USB_ANDROID_RNDIS is set
Signed-off-by: Mike Lockwood <lockwood@android.com>
Mike Lockwood [Sun, 7 Feb 2010 02:54:31 +0000 (21:54 -0500)]
USB: android: Use composite class driver for enabling and disabling functions
Signed-off-by: Mike Lockwood <lockwood@android.com>
Mike Lockwood [Sun, 7 Feb 2010 02:53:51 +0000 (21:53 -0500)]
USB: composite: Add class driver for enabling and disabling USB functions.
Signed-off-by: Mike Lockwood <lockwood@android.com>
Mike Lockwood [Tue, 12 Jan 2010 18:33:59 +0000 (10:33 -0800)]
USB: gadget: android: android USB gadget improvements:
usb: gadget: f_mass_storage: use dev_set_name()
Replacing strcpy() to device->bus_id which no longer exists in 2.6.32
Change-Id: Id978c881f457044c750bfd62f4c5bcc35bcd4fc5
Signed-off-by: Mike Lockwood <lockwood@android.com>
USB: gadget: f_adb: Claim endpoints so they are not reused by another function.
Change-Id: Ic9536cca800162e701c81cab36054f51ea759b72
Signed-off-by: Mike Lockwood <lockwood@android.com>
USB: gadget: f_acm: Fix crashes in acm_set_alt()
Change-Id: I91b761d392f8b1ca8784c69069b43e402b90d6a4
Signed-off-by: Mike Lockwood <lockwood@android.com>
USB: gadget: f_acm: Include android code only if CONFIG_USB_ANDROID_ACM is set.
Signed-off-by: Mike Lockwood <lockwood@android.com>
USB: gadget: Android support for RNDIS serial ethernet function.
Signed-off-by: Mike Lockwood <lockwood@android.com>
USB: gadget: android: Add function name to android_register_function printk.
Change-Id: I38bf79d9b544cdeaec9385f7482a131417fc4b23
Signed-off-by: Mike Lockwood <lockwood@android.com>
Mike Lockwood [Sat, 19 Dec 2009 23:22:09 +0000 (18:22 -0500)]
USB: gadget: adb: Queue read requests with length specified by client.
Previously we queued 4K requests rather than the count passed into read().
Signed-off-by: Mike Lockwood <lockwood@android.com>
Krishna, Vamsi [Wed, 11 Feb 2009 15:37:20 +0000 (21:07 +0530)]
USB: gadget: android: android USB gadget improvements:
USB: android gadget: add remote wakeup attribute to android function
Add remote wakeup attribute to configuration descriptor of android
function to advertise remote wakeup capability to host
Acked-by: Allam, Suresh Reddy <sallam@qualcomm.com>
Signed-off-by: Mike Lockwood <lockwood@android.com>
USB: gadget: android: Allow functions to handle setup requests.
Signed-off-by: Mike Lockwood <lockwood@android.com>
Support for specifying the list of USB functions from platform data.
The main android.c gadget driver no longer has hard coded references
to the mass_storage and adb functions.
Support for computing the product ID based on tables in platform data
and the currently enabled functions.
Moved the adb enable/disable logic from android.c to f_adb.c.
Change-Id: I6259d3fb1473ed973f700e55d17744956f3527bb
Signed-off-by: Mike Lockwood <lockwood@android.com>
Joe Swantek [Tue, 15 Dec 2009 12:17:40 +0000 (07:17 -0500)]
USB: composite: Allow configurations to handle unhandled setup requests
Signed-off-by: Mike Lockwood <lockwood@android.com>
Mike Lockwood [Fri, 11 Dec 2009 16:24:07 +0000 (11:24 -0500)]
USB: composite: Add flag to usb_function to hide its interface during enumeration
Change-Id: Ie999b5190e3e2b6fd23015b8e796cdd178829929
Signed-off-by: Mike Lockwood <lockwood@android.com>
Jared Suttles [Fri, 7 Aug 2009 23:57:49 +0000 (18:57 -0500)]
USB: composite: Fix USB WHQL Certification Issues
Submitted on behalf of RaviKumar Vembu <ravi.v@motorola.com>
Signed-off-by: Jared Suttles <jared.suttles@motorola.com>
Signed-off-by: Mike Lockwood <lockwood@android.com>
Joe Swantek [Thu, 23 Jul 2009 01:16:06 +0000 (20:16 -0500)]
drivers: usb: gadget: Add helper function for installing ACM gadget function.
Submitted on behalf of James Luan <James.Luan@motorola.com>
Signed-off-by: Joe Swantek <joseph.swantek@motorola.com>
Signed-off-by: Mike Lockwood <lockwood@android.com>
Jared Suttles [Thu, 30 Jul 2009 21:13:27 +0000 (16:13 -0500)]
drivers: usb: gadget: handle NULL descriptors in composite config_buf
This fixes a problem in enumeration after a gadget function is removed.
Submitted on behalf of RaviKumar Vembu <ravi.v@motorola.com>
Signed-off-by: Jared Suttles <jared.suttles@motorola.com>
Signed-off-by: Mike Lockwood <lockwood@android.com>
Mike Lockwood [Wed, 3 Dec 2008 03:01:33 +0000 (22:01 -0500)]
android_usb: Composite USB gadget driver for android.
Signed-off-by: Mike Lockwood <lockwood@android.com>
USB: android gadget: add remote wakeup attribute to android function
Add remote wakeup attribute to configuration descriptor of android
function to advertise remote wakeup capability to host
Acked-by: Allam, Suresh Reddy <sallam@qualcomm.com>
Signed-off-by: Mike Lockwood <lockwood@android.com>
usb gadget: link fixes for android composite gadget
Signed-off-by: Mike Lockwood <lockwood@android.com>
usb gadget: Fix null pointer errors in android composite driver
Signed-off-by: Mike Lockwood <lockwood@android.com>
usb: gadget: android: Allow usb charging to draw up to 500mA instead of 250.
Signed-off-by: Rebecca Schultz Zavin <rebecca@android.com>
usb gadget: android: Add helper function for usb_gadget_connect and disconnect.
Signed-off-by: Mike Lockwood <lockwood@android.com>
drivers: usb: gadget: call switch_dev_unregister in mass storage unbind callback
This fixes a problem unloading the android gadget driver when built as a module
Signed-off-by: Mike Lockwood <lockwood@android.com>
usb: gadget: android: Add dependency on switch driver.
Signed-off-by: Mike Lockwood <lockwood@android.com>
USB: gadget: android: Fix USB WHQL Certification Issues
Submitted on behalf of RaviKumar Vembu <ravi.v@motorola.com>
Signed-off-by: Jared Suttles <jared.suttles@motorola.com>
Signed-off-by: Mike Lockwood <lockwood@android.com>
drivers: usb: gadget: Add "usb_mass_storage" platform driver.
This will be used for configuring vendor, product and release from board file.
Submitted on behalf of RaviKumar Vembu <ravi.v@motorola.com>
Signed-off-by: Jared Suttles <jared.suttles@motorola.com>
Signed-off-by: Mike Lockwood <lockwood@android.com>
drivers: usb: gadget: Use usb_mass_storage platform device as parent for lun
If a platform device is specified for the f_mass_storage function, use it as the
parent driver for the lun files in sysfs.
This allows a platform independent file path for controlling USB mass storage
from user space.
Signed-off-by: Mike Lockwood <lockwood@android.com>
drivers: usb: gadget: Add platform data struct for usb_mass_storage device
Signed-off-by: Mike Lockwood <lockwood@android.com>
usb: gadget: mass_storage: Fix Mass Storage Panic during PC reboot
Submitted on behalf of RaviKumar Vembu <ravi.v@motorola.com>
Signed-off-by: Jared Suttles <jared.suttles@motorola.com>
Signed-off-by: Mike Lockwood <lockwood@android.com>
usb: gadget: f_mass_storage: Handle setup request correctly
Signed-off-by: Mike Lockwood <lockwood@android.com>
usb: gadget: f_mass_storage: Clean up wakelocks on error paths
Signed-off-by: Rebecca Schultz Zavin <rebecca@android.com>
Signed-off-by: Mike Lockwood <lockwood@android.com>
Daniel Chen [Wed, 9 Dec 2009 17:45:36 +0000 (09:45 -0800)]
mmc: sdio: Add high speed support to sdio_reset_comm()
Signed-off-by: San Mehat <san@google.com>
David Ding [Fri, 9 Oct 2009 13:38:10 +0000 (06:38 -0700)]
mmc: block: Resume multi-block reads after transient read errors.
Signed-off-by: Bentao Zou <bzou1@motorola.com>
Signed-off-by: David Ding <david.j.ding@motorola.com>
Signed-off-by: San Mehat <san@google.com>
Dmitry Shmidt [Wed, 29 Jul 2009 17:22:03 +0000 (10:22 -0700)]
mmc: sdio: Claim host in sdio_reset_comm()
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
San Mehat [Thu, 30 Jul 2009 15:21:19 +0000 (08:21 -0700)]
mmc: mmcblk: Add support for deferred SD bus resume
Signed-off-by: San Mehat <san@google.com>
mmc: card: Add MMC_BLOCK_DEFERRED_RESUME option to Kconfig
Signed-off-by: San Mehat <san@google.com>
San Mehat [Thu, 30 Jul 2009 14:55:28 +0000 (07:55 -0700)]
mmc: core: Add deferred bus resume policy.
A card driver can now specify that the underlying bus should *not*
auto-resume with the rest of the system. This is useful for reducing resume
latency as well as saving power when the card driver is not using the
bus. In the future, we'll add support for manual suspend
Signed-off-by: San Mehat <san@google.com>
San Mehat [Mon, 23 Mar 2009 19:20:37 +0000 (12:20 -0700)]
mmc: core: Hold a wake lock accross delayed work + mmc rescan
Signed-off-by: San Mehat <san@android.com>
mmc: core: Rework mmc_delayed_work wakelock so that the wakelock is only extended if a card is added or removed.
Signed-off-by: San Mehat <san@google.com>
San Mehat [Thu, 4 Dec 2008 19:18:00 +0000 (11:18 -0800)]
mmc: sd: Add retries in re-detection
Signed-off-by: San Mehat <san@android.com>
mmc: sd: Remove debugging printk
Signed-off-by: Dima Zavin <dima@android.com>
San Mehat [Mon, 1 Dec 2008 16:52:34 +0000 (08:52 -0800)]
mmc: sd: When resuming, try a little harder to init the card
Signed-off-by: San Mehat <san@android.com>
San Mehat [Thu, 15 May 2008 16:15:37 +0000 (09:15 -0700)]
mmc: Add new API call 'sdio_reset_comm' for resetting communication with an SDIO device
Signed-off-by: San Mehat <san@android.com>
Dmitry Shmidt [Tue, 11 Nov 2008 19:22:38 +0000 (11:22 -0800)]
trout: Add functions for WiFi
San Mehat [Mon, 14 Apr 2008 22:22:49 +0000 (15:22 -0700)]
mmc: Add concept of an 'embedded' SDIO device.
This is required to support chips which use SDIO for signaling/
communication but do not implement the various card enumeration registers
as required for full SD / SDIO cards.
mmc: sdio: Fix bug where we're freeing the CIS tables we never allocated when using EMBEDDED_SDIO
mmc: Add max_blksize to embedded SDIO data
Signed-off-by: San Mehat <san@google.com>
San Mehat [Tue, 11 Nov 2008 17:35:36 +0000 (09:35 -0800)]
mmc: sd: Add new CONFIG_MMC_PARANOID_SD_INIT for enabling retries during SD detection
Signed-off-by: San Mehat <san@google.com>
San Mehat [Tue, 11 Nov 2008 00:29:50 +0000 (16:29 -0800)]
mmc: Add status IRQ and status callback function to mmc platform data
Signed-off-by: San Mehat <san@google.com>
Rebecca Schultz Zavin [Mon, 30 Mar 2009 05:10:22 +0000 (22:10 -0700)]
Input: synaptics_i2c_rmi: Add irqflags to platform data struct to pass them to driver
Signed-off-by: Rebecca Schultz Zavin <rebecca@android.com>
Signed-off-by: Arve Hjønnevåg <arve@android.com>
Arve Hjønnevåg [Tue, 21 Jul 2009 03:11:31 +0000 (20:11 -0700)]
Input: synaptics_i2c_rmi: Send new multi touch events
Send both fingers using the new multitouch protocol in addition to
the old single finger event and second finger ABS_HAT* hack.
The new protocol does not specify how to report up events. To make
sure the user-space frameworks can generate up events, we send at
least one event where ABS_MT_TOUCH_MAJOR is zero before we stop
sending events for a finger.
Signed-off-by: Arve Hjønnevåg <arve@android.com>
Arve Hjønnevåg [Wed, 15 Jul 2009 03:51:49 +0000 (20:51 -0700)]
Input: synaptics_i2c_rmi: Add sensitivity adjust option.
Signed-off-by: Arve Hjønnevåg <arve@android.com>
Arve Hjønnevåg [Thu, 9 Jul 2009 04:32:06 +0000 (21:32 -0700)]
Input: synaptics_i2c_rmi: Add support for panels with has-no-relative-data property.
Signed-off-by: Arve Hjønnevåg <arve@android.com>
Arve Hjønnevåg [Wed, 22 Aug 2007 04:56:46 +0000 (21:56 -0700)]
Input: synaptics_i2c_rmi: Driver for Synaptics Touchscreens using RMI over I2C.
Signed-off-by: Arve Hjønnevåg <arve@android.com>
Input: synaptics_i2c_rmi: disable_irq -> disable_irq_nosync
Also remove duplicate swap macro
Change-Id: I77266431ba5c267a5d92c4bdc2f127a5297065a8
Signed-off-by: Arve Hjønnevåg <arve@android.com>
Mike Lockwood [Mon, 15 Dec 2008 19:51:56 +0000 (14:51 -0500)]
input: keychord: Add keychord driver
This driver allows userspace to receive notification when client
specified key combinations are pressed.
The client opens /dev/keychord and writes a list of keychords
for the driver to monitor.
The client then reads or polls /dev/keychord for notifications.
A client specified ID for the keychord is returned from read()
when a keychord press is detected.
Signed-off-by: Mike Lockwood <lockwood@android.com>
keychord: fix to build without CONFIG_PREEMPT
Change-Id: I911f13aeda4224b6fa57863bc7e8972fec8837fb
Arve Hjønnevåg [Sat, 22 Nov 2008 05:47:23 +0000 (21:47 -0800)]
input: Add keyreset driver.
Add a platform device in the board file to specify a reset key-combo.
The first time the key-combo is detected a work function that syncs
the filesystems is scheduled. If all the keys are released and then
pressed again, it calls panic. Reboot on panic should be set for
this to work.
Change-Id: I9d54283ca1fba45e4b1ae1a407524cdda8171143
Signed-off-by: Arve Hjønnevåg <arve@android.com>
Arve Hjønnevåg [Sat, 18 Apr 2009 01:24:59 +0000 (18:24 -0700)]
Input: gpio_input: disable_irq -> disable_irq_nosync
Signed-off-by: Arve Hjønnevåg <arve@android.com>
Arve Hjønnevåg [Fri, 24 Jul 2009 22:19:56 +0000 (15:19 -0700)]
Input: gpio_event: Allow multiple input devices per gpio_event device
This is needed to support devices that put non-keyboard buttons in
the keyboard matrix. For instance several devices put the trackball
button in the keyboard matrix. In this case BTN_MOUSE should be
reported from the same input device as REL_X/Y.
It is also useful for devices that have multiple logical keyboard in
the same matrix. The HTC dream has a menu key on the external keyboard
and another menu key on the slide-out keyboard. With a single input
device only one of these menu keys can be mapped to KEY_MENU.
Signed-off-by: Arve Hjønnevåg <arve@android.com>
Arve Hjønnevåg [Wed, 15 Jul 2009 03:58:41 +0000 (20:58 -0700)]
Input: gpio_input: Fix keys with keycode 0x100-0x1ff
KEY_MAX is no longer a power of 2.
Signed-off-by: Arve Hjønnevåg <arve@android.com>
Arve Hjønnevåg [Thu, 16 Oct 2008 01:23:47 +0000 (18:23 -0700)]
Input: Generic GPIO Input device.
Supports keyboard matrixces, direct inputs, direct outputs and axes connected to gpios.
Change-Id: I5e921e6e3a1cc169316ee3b665f4cc21b5735114
Signed-off-by: Arve Hjønnevåg <arve@android.com>
Signed-off-by: Nick Pelly <npelly@google.com>
Mike Chan [Thu, 24 Apr 2008 17:22:26 +0000 (10:22 -0700)]
Grants system server access to /proc/<pid>/oom_adj for Android applications.
Signed-off-by: Brian Swetland <swetland@google.com>
Mike Lockwood [Sat, 15 Mar 2008 17:29:36 +0000 (13:29 -0400)]
FAT: Add new ioctl VFAT_IOCTL_GET_VOLUME_ID for reading the volume ID.
Signed-off-by: Brian Swetland <swetland@google.com>
Mike Chan [Wed, 7 Jan 2009 19:40:42 +0000 (11:40 -0800)]
misc: uidstat: Adding uid stat driver to collect network statistics.
Signed-off-by: Mike Chan <mike@android.com>
Robert Love [Thu, 31 Jul 2008 15:12:44 +0000 (11:12 -0400)]
sysfs_net_ipv4: Add sysfs-based knobs for controlling TCP window size
Add a family of knobs to /sys/kernel/ipv4 for controlling the TCP window size:
tcp_wmem_min
tcp_wmem_def
tcp_wmem_max
tcp_rmem_min
tcp_rmem_def
tcp_rmem_max
This six values mirror the sysctl knobs in /proc/sys/net/ipv4/tcp_wmem and
/proc/sys/net/ipv4/tcp_rmem.
Sysfs, unlike sysctl, allows us to set and manage the files' permissions and
owners.
Signed-off-by: Robert Love <rlove@google.com>
Robert Love [Mon, 12 May 2008 21:08:29 +0000 (17:08 -0400)]
net: socket ioctl to reset connections matching local address
Introduce a new socket ioctl, SIOCKILLADDR, that nukes all sockets
bound to the same local address. This is useful in situations with
dynamic IPs, to kill stuck connections.
Signed-off-by: Brian Swetland <swetland@google.com>
net: fix tcp_v4_nuke_addr
Signed-off-by: Dima Zavin <dima@android.com>
net: ipv4: Fix a spinlock recursion bug in tcp_v4_nuke.
We can't hold the lock while calling to tcp_done(), so we drop
it before calling. We then have to start at the top of the chain again.
Signed-off-by: Dima Zavin <dima@android.com>
net: ipv4: Fix race in tcp_v4_nuke_addr().
To fix a recursive deadlock in 2.6.29, we stopped holding the hash table lock
across tcp_done() calls. This fixed the deadlock, but introduced a race where
the socket could die or change state.
Fix: Before unlocking the hash table, we grab a reference to the socket. We
can then unlock the hash table without risk of the socket going away. We then
lock the socket, which is safe because it is pinned. We can then call
tcp_done() without recursive deadlock and without race. Upon return, we unlock
the socket and then unpin it, killing it.
Change-Id: Idcdae072b48238b01bdbc8823b60310f1976e045
Signed-off-by: Robert Love <rlove@google.com>
Acked-by: Dima Zavin <dima@android.com>
ipv4: disable bottom halves around call to tcp_done().
Signed-off-by: Robert Love <rlove@google.com>
Signed-off-by: Colin Cross <ccross@android.com>
ipv4: Move sk_error_report inside bh_lock_sock in tcp_v4_nuke_addr
When sk_error_report is called, it wakes up the user-space thread, which then
calls tcp_close. When the tcp_close is interrupted by the tcp_v4_nuke_addr
ioctl thread running tcp_done, it leaks 392 bytes and triggers a WARN_ON.
This patch moves the call to sk_error_report inside the bh_lock_sock, which
matches the locking used in tcp_v4_err.
Signed-off-by: Colin Cross <ccross@android.com>
Robert Love [Wed, 15 Oct 2008 19:35:44 +0000 (15:35 -0400)]
Paranoid network.
With CONFIG_ANDROID_PARANOID_NETWORK, require specific uids/gids to instantiate
network sockets.
Signed-off-by: Robert Love <rlove@google.com>
paranoid networking: Use in_egroup_p() to check group membership
The previous group_search() caused trouble for partners with module builds.
in_egroup_p() is also cleaner.
Signed-off-by: Nick Pelly <npelly@google.com>
Fix 2.6.29 build.
Signed-off-by: Arve Hjønnevåg <arve@android.com>
net: Fix compilation of the IPv6 module
Fix compilation of the IPv6 module -- current->euid does not exist anymore,
current_euid() is what needs to be used.
Signed-off-by: Steinar H. Gunderson <sesse@google.com>
Robert Love [Tue, 14 Oct 2008 14:00:47 +0000 (10:00 -0400)]
ashmem for 2.6.27.
Forward port of ashmem to 2.6.27.
Signed-off-by: Robert Love <rlove@google.com>
ashmem: Don't install fault handler for private mmaps.
Ashmem is used to create named private heaps. If this heap is backed
by a tmpfs file it will allocate two pages for every page touched.
In 2.6.27, the extra page would later be freed, but 2.6.29 does not
scan anonymous pages when running without swap so the memory is not
freed while the file is referenced. This change changes the behavior
of private ashmem mmaps to match /dev/zero instead tmpfs.
Signed-off-by: Arve Hjønnevåg <arve@android.com>
ashmem: Add common prefix to name reported in /proc/pid/maps
Signed-off-by: Arve Hjønnevåg <arve@android.com>
ashmem: don't require a page aligned size
This makes ashmem more similar to shmem and mmap, by
not requiring the specified size to be page aligned,
instead rounding it internally as needed.
Signed-off-by: Marco Nelissen <marcone@android.com>
Robert Love [Wed, 15 Oct 2008 19:34:49 +0000 (15:34 -0400)]
Add android_aid.h
Add <linux/android_aid.h>, our mapping of AID defines to gid numbers.
Signed-off-by: Robert Love <rlove@google.com>
Rebecca Schultz [Thu, 24 Jul 2008 18:22:53 +0000 (11:22 -0700)]
pmem: Add pmem driver
Signed-off-by: Rebecca Schultz <rschultz@google.com>
pmem: Use the thread group leader insted of the current thread.
Instead of keeping track of the current thread, use the thread group leader
Signed-off-by: Rebecca Schultz <rschultz@google.com>
pmem: Add some apis to reference and flush pmem files by file struct
The api to refer to pmem files by fd should be depricated, it can
cause problems if a processes fd table changes while the kernel is processing
data in a pmem file. This change adds the safer api.
Signed-off-by: Rebecca Schultz Zavin <rebecca@android.com>
pmem: Remove unused depricated fd api to pmem.
Signed-off-by: Rebecca Schultz Zavin <rebecca@android.com>
pmem: Remove error message when calling get_pmem_addr
This call is used from the mdp driver to determine if the memory
is in pmem or in the fb. We will encounter this case during normal operation
so this error message should be removed.
Signed-off-by: Rebecca Schultz Zavin <rebecca@android.com>
pmem: Add include sched.h to fix compile errors
Signed-off-by: Rebecca Schultz Zavin <rebecca@android.com>
pmem: remove HW3D_* ioctls
Signed-off-by: Dima Zavin <dima@android.com>
pmem: Expose is_pmem_file to the in-kernel users.
Signed-off-by: Dima Zavin <dima@android.com>
pmem: Make the exposed functions be noops if CONFIG_ANDROID_PMEM is not set.
Signed-off-by: Dima Zavin <dima@android.com>
misc: pmem: don't flush if file was opened with O_SYNC
Change-Id: I067218658a0d7f7ecc1fe73e9ff6b0c3b3054653
Signed-off-by: Dima Zavin <dima@android.com>
pmem: Add cache flush ioctl for pmem buffers
Change-Id: I9156bad829e8c65087f122b48cc57638902fab12
Signed-off-by: Dima Zavin <dima@android.com>
Allow multiple pmem master mmap()s.
Signed-off-by: Jamie Gennis <jgennis@google.com>
Change-Id: Icbe619c92e0ebb391f0a93f81937705452a67d87
pmem: convert data_list_sem to a mutex
Also rename a function that now conflicts with a new
define in asm/pgtable.h
Change-Id: I4798048cb8dece1bc03604e7d0b03d86e0c0ef7f
Signed-off-by: Dima Zavin <dima@android.com>
Mike Lockwood [Tue, 14 Oct 2008 16:50:16 +0000 (12:50 -0400)]
switch: switch class and GPIO drivers.
switch: Export symbol switch_set_state.
Signed-off-by: Mike Lockwood <lockwood@android.com>
switch: gpio: Don't call request_irq with interrupts disabled
Signed-off-by: Arve Hjønnevåg <arve@android.com>
switch: Use device_create instead of device_create_drvdata.
device_create_drvdata is obsolete.
Signed-off-by: Arve Hjønnevåg <arve@android.com>
switch_gpio: Add missing #include <linux/interrupt.h>
Change-Id: I6c397e41bbe1457162cc69e31a29db5d9f76fccb
Signed-off-by: Mike Lockwood <lockwood@android.com>
Arve Hjønnevåg [Tue, 22 Sep 2009 00:26:47 +0000 (17:26 -0700)]
power_supply: Hold a wake_lock while power supply change notifications are pending
When connecting usb or the charger the device would often go back to sleep
before the charge led and screen turned on.
Change-Id: I01def6d86ddece0d4e31d2a91d176ed0975b6b9d
Signed-off-by: Arve Hjønnevåg <arve@android.com>
Mike Chan [Wed, 28 Oct 2009 00:37:44 +0000 (17:37 -0700)]
input: evdev: Use unique wakelock names
wakelock names are now contain evdev->name and pid
Signed-off-by: Mike Chan <mike@android.com>
Arve Hjønnevåg [Fri, 17 Oct 2008 22:28:08 +0000 (15:28 -0700)]
Input: Use monotonic time for event time stamps.
Since wall time can jump backwards, it cannot be used to determine if one
event occured before another or for how long a key was pressed.
Signed-off-by: Arve Hjønnevåg <arve@android.com>
Arve Hjønnevåg [Fri, 17 Oct 2008 22:20:55 +0000 (15:20 -0700)]
Input: Hold wake lock while event queue is not empty.
Allows userspace code to process input events while
the device appears to be asleep.
Signed-off-by: Arve Hjønnevåg <arve@android.com>
Arve Hjønnevåg [Mon, 31 Mar 2008 04:47:13 +0000 (21:47 -0700)]
ledtrig-sleep: Add led trigger for sleep debugging.
Signed-off-by: Brian Swetland <swetland@google.com>
Arve Hjønnevåg [Sat, 26 Jul 2008 03:58:15 +0000 (20:58 -0700)]
rtc: Try to prevent RTC errors from accumulating.
When we resume we only know how many whole seconds has elapsed.
These errors would accumulate in delta. We now only set the delta
if it would change by more than two seconds. If we drift back by
by more than a second add one in resume.
Signed-off-by: Arve Hjønnevåg <arve@android.com>
Arve Hjønnevåg [Mon, 4 May 2009 21:09:15 +0000 (14:09 -0700)]
rtc: alarm: Add in-kernel alarm interface
Drivers can now create alarms that will use an hrtimer while the
system is running and the rtc to wake up from suspend.
Signed-off-by: Arve Hjønnevåg <arve@android.com>
Arve Hjønnevåg [Wed, 15 Oct 2008 00:38:04 +0000 (17:38 -0700)]
rtc: Add android alarm driver.
Rebecca Schultz [Fri, 18 Jul 2008 01:14:55 +0000 (18:14 -0700)]
PM: earlysuspend: Removing dependence on console.
Rather than signaling a full update of the display from userspace via a
console switch, this patch introduces 2 files int /sys/power,
wait_for_fb_sleep and wait_for_fb_wake. Reading these files will block
until the requested state has been entered. When a read from
wait_for_fb_sleep returns userspace should stop drawing. When
wait_for_fb_wake returns, it should do a full update. If either are called
when the fb driver is already in the requested state, they will return
immediately.
Signed-off-by: Rebecca Schultz <rschultz@google.com>
Signed-off-by: Arve Hjønnevåg <arve@android.com>
Arve Hjønnevåg [Tue, 15 Dec 2009 06:14:52 +0000 (22:14 -0800)]
consoleearlysuspend: Fix for 2.6.32
vt_waitactive now needs a 1 based console number
Change-Id: I07ab9a3773c93d67c09d928c8d5494ce823ffa2e
Arve Hjønnevåg [Thu, 16 Oct 2008 00:52:20 +0000 (17:52 -0700)]
PM: earlysuspend: Add console switch when user requested sleep state changes.
Signed-off-by: Arve Hjønnevåg <arve@android.com>
Arve Hjønnevåg [Wed, 2 Dec 2009 04:54:37 +0000 (20:54 -0800)]
PM: wakelock: Don't dump unfrozen task list when aborting try_to_freeze_tasks after less than one second
Change-Id: Ib2976e5b97a5ee4ec9abd4d4443584d9257d0941
Signed-off-by: Arve Hjønnevåg <arve@android.com>
Arve Hjønnevåg [Tue, 14 Oct 2008 23:02:39 +0000 (16:02 -0700)]
PM: wakelock: Abort task freezing if a wake lock is held.
Avoids a problem where the device sometimes hangs for 20 seconds
before the screen is turned on.
Arve Hjønnevåg [Fri, 10 Oct 2008 04:01:46 +0000 (21:01 -0700)]
PM: Add user-space wake lock api.
This adds /sys/power/wake_lock and /sys/power/wake_unlock.
Writing a string to wake_lock creates a wake lock the
first time is sees a string and locks it. Optionally, the
string can be followed by a timeout.
To unlock the wake lock, write the same string to wake_unlock.
Change-Id: I66c6e3fe6487d17f9c2fafde1174042e57d15cd7
Arve Hjønnevåg [Fri, 10 Oct 2008 02:17:11 +0000 (19:17 -0700)]
PM: Enable early suspend through /sys/power/state
If EARLYSUSPEND is enabled then writes to /sys/power/state no longer
blocks, and the kernel will try to enter the requested state every
time no wakelocks are held. Write "on" to resume normal operation.
Arve Hjønnevåg [Wed, 8 Oct 2008 03:48:01 +0000 (20:48 -0700)]
PM: Implement early suspend api
Arve Hjønnevåg [Thu, 3 Dec 2009 02:22:00 +0000 (18:22 -0800)]
PM: wakelocks: Use seq_file for /proc/wakelocks so we can get more than 3K of stats.
Change-Id: I42ed8bea639684f7a8a95b2057516764075c6b01
Signed-off-by: Arve Hjønnevåg <arve@android.com>
Erik Gilling [Wed, 26 Aug 2009 03:09:12 +0000 (20:09 -0700)]
power: wakelocks: fix buffer overflow in print_wake_locks
Change-Id: Ic944e3b3d3bc53eddc6fd0963565fd072cac373c
Signed-off-by: Erik Gilling <konkers@android.com>
Mike Chan [Wed, 26 Aug 2009 01:10:32 +0000 (18:10 -0700)]
power: Prevent spinlock recursion when wake_unlock() is called
Signed-off-by: Mike Chan <mike@android.com>
Arve Hjønnevåg [Wed, 10 Sep 2008 05:14:34 +0000 (22:14 -0700)]
PM: Implement wakelock api.
PM: wakelock: Replace expire work with a timer
The expire work function did not work in the normal case.
Signed-off-by: Arve Hjønnevåg <arve@android.com>
Arve Hjønnevåg [Sat, 27 Sep 2008 05:10:56 +0000 (22:10 -0700)]
PM: Add early suspend api.
Arve Hjønnevåg [Sat, 27 Sep 2008 05:10:56 +0000 (22:10 -0700)]
PM: Add wake lock api.
Mike Chan [Thu, 22 Jan 2009 20:23:32 +0000 (12:23 -0800)]
[docs] android: Add android config documentation to boot framework.
Signed-off-by: Mike Chan <mike@android.com>
Dima Zavin [Thu, 4 Dec 2008 20:19:57 +0000 (12:19 -0800)]
mtd: nand: Allow NAND chip ids to be included standalone.
Lets non-standard NAND drivers take advantage of known NAND
chip information.
Change-Id: I87e2fcb40b07b2ec91e102f1fa7f419a4b4af0a3
Signed-off-by: Dima Zavin <dima@android.com>
Robert Love [Tue, 29 Apr 2008 20:44:10 +0000 (16:44 -0400)]
Make /dev/mem configurable, as we don't want it.
Signed-off-by: Brian Swetland <swetland@google.com>
Arve Hjønnevåg [Thu, 11 Dec 2008 04:06:28 +0000 (20:06 -0800)]
sched: Enable might_sleep before initializing drivers.
This allows detection of init bugs in built-in drivers.
Signed-off-by: Arve Hjønnevåg <arve@android.com>
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