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>
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>
Brian Swetland [Mon, 23 Nov 2009 14:41:42 +0000 (06:41 -0800)]
w1: don't allow arbitrary users to remove w1 devices
The search/pullup/add/remove device attributes were 0666 which would
allow arbitrary users to affect the 1 wire bus. Change to 0664 to
prevent that.
Signed-off-by: Brian Swetland <swetland@google.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>
Erik Gilling [Thu, 5 Nov 2009 20:42:13 +0000 (12:42 -0800)]
sched: make task dump print all 15 chars of proc comm
Change-Id: I1a5c9676baa06c9f9b4424bbcab01b9b2fbfcd99
Signed-off-by: Erik Gilling <konkers@android.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>
Arve Hjønnevåg [Tue, 8 May 2007 08:39:13 +0000 (15:39 +0700)]
Add build option to to set the default panic timeout.
Arve Hjønnevåg [Wed, 10 Jun 2009 03:17:45 +0000 (20:17 -0700)]
[ARM] Optionally flush entire dcache from v6_dma_flush_range
If CACHE_FLUSH_RANGE_LIMIT is defined, then the entire dcache will
be flushed if the requested range is larger than this limit.
Change-Id: I29277d645a9d6716b1952cf3b870c78496261dd0
Signed-off-by: Arve Hjønnevåg <arve@android.com>
Arve Hjønnevåg [Wed, 10 Jun 2009 03:21:44 +0000 (20:21 -0700)]
futex: Restore one of the fast paths eliminated by
38d47c1b7075bd7ec3881141bb3629da58f88dab
This improves futex performance until our user-space code is fixed to use
FUTEX_PRIVATE_FLAG for non-shared futexes.
Signed-off-by: Arve Hjønnevåg <arve@android.com>
Arve Hjønnevåg [Thu, 19 Mar 2009 00:27:31 +0000 (17:27 -0700)]
mm: Check if any page in a pageblock is reserved before marking it MIGRATE_RESERVE
This fixes a problem where the first pageblock got marked MIGRATE_RESERVE even
though it only had a few free pages. This in turn caused no contiguous memory
to be reserved and frequent kswapd wakeups that emptied the caches to get more
contiguous memory.
Arve Hjønnevåg [Tue, 17 Feb 2009 22:51:02 +0000 (14:51 -0800)]
mm: Add min_free_order_shift tunable.
By default the kernel tries to keep half as much memory free at each
order as it does for one order below. This can be too agressive when
running without swap.
Change-Id: I5efc1a0b50f41ff3ac71e92d2efd175dedd54ead
Signed-off-by: Arve Hjønnevåg <arve@android.com>
Brian Swetland [Tue, 27 Jan 2009 01:15:49 +0000 (17:15 -0800)]
[ARM] avoid mis-detecting some V7 cores in the decompressor
This allows kernel decompress to happen nearly instantly instead
of taking over 20 seconds.
Signed-off-by: Brian Swetland <swetland@google.com>
Brian Swetland [Tue, 27 Jan 2009 01:14:04 +0000 (17:14 -0800)]
[ARM] Allow ICEDCC to work with CPU_V7 as well as CPU_V6.
The mechanism is the same -- just need to adjust some ifdefs.
Signed-off-by: Brian Swetland <swetland@google.com>
Arve Hjønnevåg [Sun, 2 Dec 2007 02:34:14 +0000 (18:34 -0800)]
[ARM] armv6 dcc tty driver
Signed-off-by: Brian Swetland <swetland@google.com>
Signed-off-by: Arve Hjønnevåg <arve@android.com>
Arve Hjønnevåg [Mon, 9 Apr 2007 10:13:02 +0000 (17:13 +0700)]
[ARM] Add code to prevent system calls from being restarted muliple times before returning from the kernel.
Fixes crashes with thumb syscalls.
Tony Lindgren [Mon, 9 May 2005 21:10:26 +0000 (14:10 -0700)]
ARM: Make low-level printk work
Makes low-level printk work.
Signed-off-by: Tony Lindgren <tony@atomide.com>
Arve Hjønnevåg [Wed, 9 Dec 2009 04:37:55 +0000 (20:37 -0800)]
Revert "Staging: android: mark subsystem as broken"
This reverts commit
2cdf99ce2b9418c9d7c5f907195cfac421375520.
Corentin Chary [Sat, 28 Nov 2009 08:45:14 +0000 (09:45 +0100)]
staging/android: fix build issues
Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Arve Hjønnevåg [Sat, 13 Feb 2010 04:32:37 +0000 (20:32 -0800)]
Revert "Staging: android: delete android drivers"
This reverts commit
b0a0ccfad85b3657fe999805df65f5cfe634ab8a.
Linus Torvalds [Wed, 29 Sep 2010 01:01:22 +0000 (18:01 -0700)]
Linux 2.6.36-rc6
David Howells [Wed, 29 Sep 2010 00:57:02 +0000 (01:57 +0100)]
MN10300: Handle missing sys_cacheflush() when caching disabled
When caching is disabled on the MN10300 arch, the sys_cacheflush()
function is removed by conditional stuff in the makefiles, but is still
referred to by the syscall table.
Provide a null version that just returns 0 when caching is disabled (or
-EINVAL if the arguments are silly).
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Linus Torvalds [Tue, 28 Sep 2010 20:26:57 +0000 (13:26 -0700)]
alpha: fix compile problem in arch/alpha/kernel/signal.c
Tssk. Apparently Al hadn't checked commit
c52c2ddc1dfa ("alpha: switch
osf_sigprocmask() to use of sigprocmask()") at all. It doesn't compile.
Fixed as per suggestions from Michael Cree.
Reported-by: Michael Cree <mcree@orcon.net.nz>
Cc: Al Viro <viro@ftp.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Linus Torvalds [Tue, 28 Sep 2010 19:38:52 +0000 (12:38 -0700)]
Merge branch 'upstream-linus' of git://git./linux/kernel/git/jgarzik/libata-dev
* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev:
ahci: fix module refcount breakage introduced by libahci split
Tejun Heo [Tue, 21 Sep 2010 07:25:48 +0000 (09:25 +0200)]
ahci: fix module refcount breakage introduced by libahci split
libata depends on scsi_host_template for module reference counting and
sht's should be owned by each low level driver. During libahci split,
the sht was left with libahci.ko leaving the actual low level drivers
not reference counted. This made ahci and ahci_platform always
unloadable even while they're being actively used.
Fix it by defining AHCI_SHT() macro in ahci.h and defining a sht for
each low level ahci driver.
stable: only applicable to 2.6.35.
Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-by: Pedro Francisco <pedrogfrancisco@gmail.com>
Tested-by: Michael Tokarev <mjt@tls.msk.ru>
Cc: stable@kernel.org
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Linus Torvalds [Tue, 28 Sep 2010 19:13:13 +0000 (12:13 -0700)]
Merge branch 'hwmon-for-linus' of git://git./linux/kernel/git/groeck/staging
* 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/staging:
hwmon (coretemp): Fix build breakage if SMP is undefined
Linus Torvalds [Tue, 28 Sep 2010 19:02:22 +0000 (12:02 -0700)]
Merge branch 'for-linus' of git://git./linux/kernel/git/jbarnes/pci-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6:
PCI: fix pci_resource_alignment prototype
Linus Torvalds [Tue, 28 Sep 2010 19:01:26 +0000 (12:01 -0700)]
Merge git://git./linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (47 commits)
tcp: Fix >4GB writes on 64-bit.
net/9p: Mount only matching virtio channels
de2104x: fix ethtool
tproxy: check for transparent flag in ip_route_newports
ipv6: add IPv6 to neighbour table overflow warning
tcp: fix TSO FACK loss marking in tcp_mark_head_lost
3c59x: fix regression from patch "Add ethtool WOL support"
ipv6: add a missing unregister_pernet_subsys call
s390: use free_netdev(netdev) instead of kfree()
sgiseeq: use free_netdev(netdev) instead of kfree()
rionet: use free_netdev(netdev) instead of kfree()
ibm_newemac: use free_netdev(netdev) instead of kfree()
smsc911x: Add MODULE_ALIAS()
net: reset skb queue mapping when rx'ing over tunnel
br2684: fix scheduling while atomic
de2104x: fix TP link detection
de2104x: fix power management
de2104x: disable autonegotiation on broken hardware
net: fix a lockdep splat
e1000e: 82579 do not gate auto config of PHY by hardware during nominal use
...
Guenter Roeck [Tue, 28 Sep 2010 01:01:49 +0000 (18:01 -0700)]
hwmon (coretemp): Fix build breakage if SMP is undefined
Commit
e40cc4bdfd4b89813f072f72bd9c7055814d3f0f introduced
a build breakage if CONFIG_SMP is undefined. This commit
fixes the problem.
This fix is only a workaround. For a real fix, cpu_sibling_mask() should
be defined in UP include code, eg in linux/smp.h, and asm/smp.h should not be
included directly. This fix is currently not possible because asm/smp.h defines
cpu_sibling_mask() unconditionally and is included directly from many source
files.
Reported-by: Ingo Molnar <mingo@elte.hu>
Tested-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Linus Torvalds [Tue, 28 Sep 2010 04:19:27 +0000 (21:19 -0700)]
Merge branch 'x86/urgent' of git://git./linux/kernel/git/tip/linux-2.6-tip
* 'x86/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86: Avoid 'constant_test_bit()' misoptimization due to cast to non-volatile
David S. Miller [Tue, 28 Sep 2010 03:24:54 +0000 (20:24 -0700)]
tcp: Fix >4GB writes on 64-bit.
Fixes kernel bugzilla #16603
tcp_sendmsg() truncates iov_len to an 'int' which a 4GB write to write
zero bytes, for example.
There is also the problem higher up of how verify_iovec() works. It
wants to prevent the total length from looking like an error return
value.
However it does this using 'int', but syscalls return 'long' (and
thus signed 64-bit on 64-bit machines). So it could trigger
false-positives on 64-bit as written. So fix it to use 'long'.
Reported-by: Olaf Bonorden <bono@onlinehome.de>
Reported-by: Daniel Büse <dbuese@gmx.de>
Reported-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Dan Rosenberg [Mon, 27 Sep 2010 16:30:28 +0000 (12:30 -0400)]
Fix pktcdvd ioctl dev_minor range check
The PKT_CTRL_CMD_STATUS device ioctl retrieves a pointer to a
pktcdvd_device from the global pkt_devs array. The index into this
array is provided directly by the user and is a signed integer, so the
comparison to ensure that it falls within the bounds of this array will
fail when provided with a negative index.
This can be used to read arbitrary kernel memory or cause a crash due to
an invalid pointer dereference. This can be exploited by users with
permission to open /dev/pktcdvd/control (on many distributions, this is
readable by group "cdrom").
Signed-off-by: Dan Rosenberg <dan.j.rosenberg@gmail.com>
[ Rather than add a cast, just make the function take the right type -Linus ]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
David Howells [Mon, 27 Sep 2010 12:12:33 +0000 (13:12 +0100)]
MN10300: Default config choice GDBSTUB_TTYSM0 should be GDBSTUB_ON_TTYSM0
The configuration choice for the port on which the GDB stub listens has
a default of GDBSTUB_TTYSM0, but this should be GDBSTUB_ON_TTYSM0 to
match the option.
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Sven Eckelmann [Mon, 27 Sep 2010 22:54:44 +0000 (15:54 -0700)]
net/9p: Mount only matching virtio channels
p9_virtio_create will only compare the the channel's tag characters
against the device name till the end of the channel's tag but not till
the end of the device name. This means that if a user defines channels
with the tags foo and foobar then he would mount foo when he requested
foonot and may mount foo when he requested foobar.
Thus it is necessary to check both string lengths against each other in
case of a successful partial string match.
Signed-off-by: Sven Eckelmann <sven.eckelmann@gmx.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Ondrej Zary [Mon, 27 Sep 2010 11:41:45 +0000 (11:41 +0000)]
de2104x: fix ethtool
When the interface is up, using ethtool breaks it because:
a) link is put down but media_timer interval is not shortened to NO_LINK
b) rxtx is stopped but not restarted
Also manual 10baseT-HD (and probably FD too - untested) mode does not work -
the link is forced up, packets are transmitted but nothing is received.
Changing CSR14 value to match documentation (not disabling link check) fixes this.
Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Acked-by: Jeff Garzik <jgarzik@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
David S. Miller [Mon, 27 Sep 2010 22:04:23 +0000 (15:04 -0700)]
Merge branch 'vhost-net' of git://git./linux/kernel/git/mst/vhost
Ulrich Weber [Mon, 27 Sep 2010 03:31:00 +0000 (03:31 +0000)]
tproxy: check for transparent flag in ip_route_newports
as done in ip_route_connect()
Signed-off-by: Ulrich Weber <uweber@astaro.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Ulrich Weber [Mon, 27 Sep 2010 22:02:18 +0000 (15:02 -0700)]
ipv6: add IPv6 to neighbour table overflow warning
IPv4 and IPv6 have separate neighbour tables, so
the warning messages should be distinguishable.
[ Add a suitable message prefix on the ipv4 side as well -DaveM ]
Signed-off-by: Ulrich Weber <uweber@astaro.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Yuchung Cheng [Fri, 24 Sep 2010 13:22:06 +0000 (13:22 +0000)]
tcp: fix TSO FACK loss marking in tcp_mark_head_lost
When TCP uses FACK algorithm to mark lost packets in
tcp_mark_head_lost(), if the number of packets in the (TSO) skb is
greater than the number of packets that should be marked lost, TCP
incorrectly exits the loop and marks no packets lost in the skb. This
underestimates tp->lost_out and affects the recovery/retransmission.
This patch fargments the skb and marks the correct amount of packets
lost.
Signed-off-by: Yuchung Cheng <ycheng@google.com>
Acked-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
Linus Torvalds [Mon, 27 Sep 2010 19:33:54 +0000 (12:33 -0700)]
Merge branch 'for-linus' of git://git./linux/kernel/git/roland/infiniband
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband:
RDMA/cxgb3: Turn off RX coalescing for iWARP connections
Linus Torvalds [Mon, 27 Sep 2010 19:32:36 +0000 (12:32 -0700)]
Merge master.kernel.org:/home/rmk/linux-2.6-arm
* master.kernel.org:/home/rmk/linux-2.6-arm: (28 commits)
ARM: 6411/1: vexpress: set RAM latencies to 1 cycle for PL310 on ct-ca9x4 tile
ARM: 6409/1: davinci: map sram using MT_MEMORY_NONCACHED instead of MT_DEVICE
ARM: 6408/1: omap: Map only available sram memory
ARM: 6407/1: mmu: Setup MT_MEMORY and MT_MEMORY_NONCACHED L1 entries
ARM: pxa: remove pr_<level> uses of KERN_<level>
ARM: pxa168fb: clear enable bit when not active
ARM: pxa: fix cpu_is_pxa*() not expanding to zero when not configured
ARM: pxa168: fix corrected reset vector
ARM: pxa: Use PIO for PI2C communication on Palm27x
ARM: pxa: Fix Vpac270 gpio_power for MMC
ARM: 6401/1: plug a race in the alignment trap handler
ARM: 6406/1: at91sam9g45: fix i2c bus speed
leds: leds-ns2: fix locking
ARM: dove: fix __io() definition to use bus based offset
dmaengine: fix interrupt clearing for mv_xor
ARM: kirkwood: Unbreak PCIe I/O port
ARM: Fix build error when using KCONFIG_CONFIG
ARM: 6383/1: Implement phys_mem_access_prot() to avoid attributes aliasing
ARM: 6400/1: at91: fix arch_gettimeoffset fallout
ARM: 6398/1: add proc info for ARM11MPCore/Cortex-A9 from ARM
...
Linus Torvalds [Mon, 27 Sep 2010 19:32:00 +0000 (12:32 -0700)]
Merge branch 'for-linus' of git://git./linux/kernel/git/ericvh/v9fs
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs:
net/9p: fix memory handling/allocation in rdma_request()
Linus Torvalds [Mon, 27 Sep 2010 19:31:12 +0000 (12:31 -0700)]
Merge branch 'for-linus' of git://git./linux/kernel/git/bp/bp
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp:
amd64_edac: Fix driver module removal
Linus Torvalds [Mon, 27 Sep 2010 19:29:39 +0000 (12:29 -0700)]
Merge branch 'for-linus' of git://git./linux/kernel/git/jmorris/security-testing-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6:
TOMOYO: Don't abuse sys_getpid(), sys_getppid()
Linus Torvalds [Mon, 27 Sep 2010 19:28:19 +0000 (12:28 -0700)]
Merge branch 'drm-intel-fixes' of git://git./linux/kernel/git/ickle/drm-intel
* 'drm-intel-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/ickle/drm-intel:
drm/i915/sdvo: Handle unsupported GET_SUPPORTED_ENHANCEMENTS gracefully
drm/i915/sdvo: Cleanup connector on error path
drm/i915: Fix 945GM regression in
e259befd
Linus Torvalds [Mon, 27 Sep 2010 19:27:00 +0000 (12:27 -0700)]
Merge branch 'for-linus' of git://git./linux/kernel/git/cjb/mmc
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc:
mmc: sdhci-s3c: fix NULL ptr access in sdhci_s3c_remove
mmc: sdhci-s3c: fix incorrect spinlock usage after merge
mmc: MAINTAINERS: add myself as MMC maintainer