Here is the big USB pull request for 3.7-rc1
There are lots of gadget driver changes (including copying a bunch of
files into the drivers/staging/ccg/ directory so that the other gadget
drivers can be fixed up properly without breaking that driver), and we
remove the old obsolete ub.c driver from the tree. There are also the
usual XHCI set of updates, and other various driver changes and updates.
We also are trying hard to remove the old dbg() macro, but the final
bits of that removal will be coming in through the networking tree
before we can delete it for good.
All of these patches have been in the linux-next tree.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB changes from Greg Kroah-Hartman:
"Here is the big USB pull request for 3.7-rc1
There are lots of gadget driver changes (including copying a bunch of
files into the drivers/staging/ccg/ directory so that the other gadget
drivers can be fixed up properly without breaking that driver), and we
remove the old obsolete ub.c driver from the tree.
There are also the usual XHCI set of updates, and other various driver
changes and updates. We also are trying hard to remove the old dbg()
macro, but the final bits of that removal will be coming in through
the networking tree before we can delete it for good.
All of these patches have been in the linux-next tree.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>"
Fix up several annoying - but fairly mindless - conflicts due to the
termios structure having moved into the tty device, and often clashing
with dbg -> dev_dbg conversion.
* tag 'usb-3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (339 commits)
USB: ezusb: move ezusb.c from drivers/usb/serial to drivers/usb/misc
USB: uas: fix gcc warning
USB: uas: fix locking
USB: Fix race condition when removing host controllers
USB: uas: add locking
USB: uas: fix abort
USB: uas: remove aborted field, replace with status bit.
USB: uas: fix task management
USB: uas: keep track of command urbs
xhci: Intel Panther Point BEI quirk.
powerpc/usb: remove checking PHY_CLK_VALID for UTMI PHY
USB: ftdi_sio: add TIAO USB Multi-Protocol Adapter (TUMPA) support
Revert "usb : Add sysfs files to control port power."
USB: serial: remove vizzini driver
usb: host: xhci: Fix Null pointer dereferencing with 71c731a for non-x86 systems
Increase XHCI suspend timeout to 16ms
USB: ohci-at91: fix null pointer in ohci_hcd_at91_overcurrent_irq
USB: sierra_ms: don't keep unused variable
fsl/usb: Add support for USB controller version 2.4
USB: qcaux: add Pantech vendor class match
...
As we skipped the merge window for 3.6-rc1 for the tty tree, everything
is now settled down and working properly, so we are ready for 3.7-rc1.
Here's the patchset, it's big, but the large changes are removing a
firmware file and adding a staging tty driver (it depended on the tty
core changes, so it's going through this tree instead of the staging
tree.)
All of these patches have been in the linux-next tree for a while.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull TTY changes from Greg Kroah-Hartman:
"As we skipped the merge window for 3.6-rc1 for the tty tree,
everything is now settled down and working properly, so we are ready
for 3.7-rc1. Here's the patchset, it's big, but the large changes are
removing a firmware file and adding a staging tty driver (it depended
on the tty core changes, so it's going through this tree instead of
the staging tree.)
All of these patches have been in the linux-next tree for a while.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>"
Fix up more-or-less trivial conflicts in
- drivers/char/pcmcia/synclink_cs.c:
tty NULL dereference fix vs tty_port_cts_enabled() helper function
- drivers/staging/{Kconfig,Makefile}:
add-add conflict (dgrp driver added close to other staging drivers)
- drivers/staging/ipack/devices/ipoctal.c:
"split ipoctal_channel from iopctal" vs "TTY: use tty_port_register_device"
* tag 'tty-3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (235 commits)
tty/serial: Add kgdb_nmi driver
tty/serial/amba-pl011: Quiesce interrupts in poll_get_char
tty/serial/amba-pl011: Implement poll_init callback
tty/serial/core: Introduce poll_init callback
kdb: Turn KGDB_KDB=n stubs into static inlines
kdb: Implement disable_nmi command
kernel/debug: Mask KGDB NMI upon entry
serial: pl011: handle corruption at high clock speeds
serial: sccnxp: Make 'default' choice in switch last
serial: sccnxp: Remove mask termios caps for SW flow control
serial: sccnxp: Report actual baudrate back to core
serial: samsung: Add poll_get_char & poll_put_char
Powerpc 8xx CPM_UART setting MAXIDL register proportionaly to baud rate
Powerpc 8xx CPM_UART maxidl should not depend on fifo size
Powerpc 8xx CPM_UART too many interrupts
Powerpc 8xx CPM_UART desynchronisation
serial: set correct baud_base for EXSYS EX-41092 Dual 16950
serial: omap: fix the reciever line error case
8250: blacklist Winbond CIR port
8250_pnp: do pnp probe before legacy probe
...
ports to the framework along with one MIPS port, one MFD port, one minor
framework enhancement and one helper function for platforms expressing
their clock data through device tree.
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Merge tag 'clk-for-linus' of git://git.linaro.org/people/mturquette/linux
Pull clk framework update from Michael Turquette:
"The common clk framework changes for 3.7 are dominated by ARM platform
ports to the framework along with one MIPS port, one MFD port, one
minor framework enhancement and one helper function for platforms
expressing their clock data through device tree."
* tag 'clk-for-linus' of git://git.linaro.org/people/mturquette/linux:
clk: add of_clk_src_onecell_get() support
clk: ux500: Define smp_twd clock for u8500
mfd: dbx500: Provide a more accurate smp_twd clock
clk: ux500: Support for prmcu_rate clock
clk: Provide option for clk_get_rate to issue hw for new rate
clock: max77686: Add driver for Maxim 77686 32Khz crystal oscillator.
ARM: ux500: Switch to use common clock framework
clk: ux500: Clock definitions for u8500
clk: ux500: First version of clock definitions for ux500
clk: ux500: Adapt PRCMU and PRCC clocks for common clk
clk: versatile: make config option boolean
clk: add Loongson1B clock support
arm: mmp: make all SOCs use common clock by default
clk: mmp: add clock definition for mmp2
clk: mmp: add clock definition for pxa910
clk: mmp: add clock definition for pxa168
clk: mmp: add mmp specific clocks
clk: convert ARM RealView to common clk
clk: prima2: move from arch/arm/mach to drivers/clk
ARM: PRIMA2: convert to common clk and finish full clk tree
Host bridge hotplug
- Protect acpi_pci_drivers and acpi_pci_roots (Taku Izumi)
- Clear host bridge resource info to avoid issue when releasing (Yinghai Lu)
- Notify acpi_pci_drivers when hot-plugging host bridges (Jiang Liu)
- Use standard list ops for acpi_pci_drivers (Jiang Liu)
Device hotplug
- Use pci_get_domain_bus_and_slot() to close hotplug races (Jiang Liu)
- Remove fakephp driver (Bjorn Helgaas)
- Fix VGA ref count in hotplug remove path (Yinghai Lu)
- Allow acpiphp to handle PCIe ports without native hotplug (Jiang Liu)
- Implement resume regardless of pciehp_force param (Oliver Neukum)
- Make pci_fixup_irqs() work after init (Thierry Reding)
Miscellaneous
- Add pci_pcie_type(dev) and remove pci_dev.pcie_type (Yijing Wang)
- Factor out PCI Express Capability accessors (Jiang Liu)
- Add pcibios_window_alignment() so powerpc EEH can use generic resource assignment (Gavin Shan)
- Make pci_error_handlers const (Stephen Hemminger)
- Cleanup drivers/pci/remove.c (Bjorn Helgaas)
- Improve Vendor-Specific Extended Capability support (Bjorn Helgaas)
- Use standard list ops for bus->devices (Bjorn Helgaas)
- Avoid kmalloc in pci_get_subsys() and pci_get_class() (Feng Tang)
- Reassign invalid bus number ranges (Intel DP43BF workaround) (Yinghai Lu)
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Merge tag 'for-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI changes from Bjorn Helgaas:
"Host bridge hotplug
- Protect acpi_pci_drivers and acpi_pci_roots (Taku Izumi)
- Clear host bridge resource info to avoid issue when releasing
(Yinghai Lu)
- Notify acpi_pci_drivers when hot-plugging host bridges (Jiang Liu)
- Use standard list ops for acpi_pci_drivers (Jiang Liu)
Device hotplug
- Use pci_get_domain_bus_and_slot() to close hotplug races (Jiang
Liu)
- Remove fakephp driver (Bjorn Helgaas)
- Fix VGA ref count in hotplug remove path (Yinghai Lu)
- Allow acpiphp to handle PCIe ports without native hotplug (Jiang
Liu)
- Implement resume regardless of pciehp_force param (Oliver Neukum)
- Make pci_fixup_irqs() work after init (Thierry Reding)
Miscellaneous
- Add pci_pcie_type(dev) and remove pci_dev.pcie_type (Yijing Wang)
- Factor out PCI Express Capability accessors (Jiang Liu)
- Add pcibios_window_alignment() so powerpc EEH can use generic
resource assignment (Gavin Shan)
- Make pci_error_handlers const (Stephen Hemminger)
- Cleanup drivers/pci/remove.c (Bjorn Helgaas)
- Improve Vendor-Specific Extended Capability support (Bjorn
Helgaas)
- Use standard list ops for bus->devices (Bjorn Helgaas)
- Avoid kmalloc in pci_get_subsys() and pci_get_class() (Feng Tang)
- Reassign invalid bus number ranges (Intel DP43BF workaround)
(Yinghai Lu)"
* tag 'for-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (102 commits)
PCI: acpiphp: Handle PCIe ports without native hotplug capability
PCI/ACPI: Use acpi_driver_data() rather than searching acpi_pci_roots
PCI/ACPI: Protect acpi_pci_roots list with mutex
PCI/ACPI: Use acpi_pci_root info rather than looking it up again
PCI/ACPI: Pass acpi_pci_root to acpi_pci_drivers' add/remove interface
PCI/ACPI: Protect acpi_pci_drivers list with mutex
PCI/ACPI: Notify acpi_pci_drivers when hot-plugging PCI root bridges
PCI/ACPI: Use normal list for struct acpi_pci_driver
PCI/ACPI: Use DEVICE_ACPI_HANDLE rather than searching acpi_pci_roots
PCI: Fix default vga ref_count
ia64/PCI: Clear host bridge aperture struct resource
x86/PCI: Clear host bridge aperture struct resource
PCI: Stop all children first, before removing all children
Revert "PCI: Use hotplug-safe pci_get_domain_bus_and_slot()"
PCI: Provide a default pcibios_update_irq()
PCI: Discard __init annotations for pci_fixup_irqs() and related functions
PCI: Use correct type when freeing bus resource list
PCI: Check P2P bridge for invalid secondary/subordinate range
PCI: Convert "new_id"/"remove_id" into generic pci_bus driver attributes
xen-pcifront: Use hotplug-safe pci_get_domain_bus_and_slot()
...
- Support for putting regulators into bypass mode where they simply
switch their input to the output (mainly used for low power retention).
- A new API for setting voltages based on a voltage plus tolerance
rather than an explicit voltage range.
- Lots of cleanups and API updates from Axel Lin.
- New driver for MAX8907.
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Merge tag 'regulator-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator updates from Mark Brown:
- Support for putting regulators into bypass mode where they simply
switch their input to the output (mainly used for low power
retention).
- A new API for setting voltages based on a voltage plus tolerance
rather than an explicit voltage range.
- Lots of cleanups and API updates from Axel Lin.
- New driver for MAX8907.
* tag 'regulator-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (71 commits)
regulator: arizona-ldo: Remove top voltage
regulator: tps6586x: remove regulator-compatible from DT docs
regulator: tps65217.txt: remove regulator-compatible from DT docs
regulator: deprecate regulator-compatible DT property
regulator: fan53555: remove vsel_max not used
regulator: aat2870: Don't explicitly initialise the first field
extcon: arizona: Use bypass mode for MICVDD
regulator: wm831x-ldo: Add bypass support
regulator: arizona-micsupp: Support get/set bypass
regulator: arizona-ldo: Support get/set bypass
regulator: core: Provide regmap get/set bypass operations
regulator: core: Support bypass mode
regulator: Fairchild fan53555 support
regulator: twl: Remove another unused variable warning
regulator: core: Try using the parent device for the default regmap
regulator: core: Fast path non-deferred disables
regulator: core: Report microvolts in sysfs even with only list_voltage()
regulator: tps6586x: add support for SYS rail
regulator: lp872x: remove unnecessary function
regulator: lp872x: fix NULL pointer access problem
...
From Ryan Mallon:
* tag 'ep93xx-fixes-for-3.7' of git://github.com/RyanMallon/linux-ep93xx:
ARM: ep93xx: Move ts72xx.h out of include/mach
ARM: ep93xx: use __iomem pointers for MMIO
ARM: ep93xx: Fix build error due to 'SZ_32M' undeclared
The nhk8815 board files uses NAND_NO_READRDY in its platform data, but
this macro is getting removed because it was not being used anywhere.
Without this patch, building nhk8815_defconfig results in:
arch/arm/mach-nomadik/board-nhk8815.c:118:6: error: 'NAND_NO_READRDY' undeclared here (not in a function)
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Alessandro Rubini <rubini@unipv.it>
Cc: Linus Walleij <linus.walleij@linaro.org>
Here's a bugfix for orion5x. Without this, PCI doesn't initialize properly
because of too small coherent pool to cover the allocations needed.
A similar fix has already been done on kirkwood.
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Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull one more arm-soc bugfix from Olof Johansson:
"Here's a bugfix for orion5x. Without this, PCI doesn't initialize
properly because of too small coherent pool to cover the allocations
needed.
A similar fix has already been done on kirkwood."
* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: Orion5x: Fix too small coherent pool.
Pull ARM dma-mapping fix from Marek Szyprowski:
"This patch fixes a potential memory leak in the ARM dma-mapping code."
* 'fixes-for-3.6' of git://git.linaro.org/people/mszyprowski/linux-dma-mapping:
ARM: dma-mapping: Fix potential memory leak in atomic_pool_init()
Some Orion5x devices allocate their coherent buffers from atomic
context. Increase size of atomic coherent pool to make sure such the
allocations won't fail during boot.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Jason Cooper <jason@lakedaemon.net>
Signed-off-by: Olof Johansson <olof@lixom.net>
Pull more networking fixes from David Miller:
1) Eric Dumazet discovered and fixed what turned out to be a family of
bugs. These functions were using pskb_may_pull() which might need
to reallocate the linear SKB data buffer, but the callers were not
expecting this possibility. The callers have cached pointers to the
packet header areas, and would need to reload them if we were to
continue using pskb_may_pull().
So they could end up reading garbage.
It's easier to just change these RAW4/RAW6/MIP6 routines to use
skb_header_pointer() instead of pskb_may_pull(), which won't modify
the linear SKB data area.
2) Dave Jone's syscall spammer caught a case where a non-TCP socket can
call down into the TCP keepalive code. The case basically involves
creating a raw socket with sk_protocol == IPPROTO_TCP, then calling
setsockopt(sock_fd, SO_KEEPALIVE, ...)
Fixed by Eric Dumazet.
3) Bluetooth devices do not get configured properly while being powered
on, resulting in always using legacy pairing instead of SSP. Fix
from Andrzej Kaczmarek.
4) Bluetooth cancels delayed work erroneously, put stricter checks in
place. From Andrei Emeltchenko.
5) Fix deadlock between cfg80211_mutex and reg_regdb_search_mutex in
cfg80211, from Luis R. Rodriguez.
6) Fix interrupt double release in iwlwifi, from Emmanuel Grumbach.
7) Missing module license in bcm87xx driver, from Peter Huewe.
8) Team driver can lose port changed events when adding devices to a
team, fix from Jiri Pirko.
9) Fix endless loop when trying ot unregister PPPOE device in zombie
state, from Xiaodong Xu.
10) batman-adv layer needs to set MAC address of software device
earlier, otherwise we call tt_local_add with it uninitialized.
11) Fix handling of KSZ8021 PHYs, it's matched currently by KS8051 but
that doesn't program the device properly. From Marek Vasut.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
ipv6: mip6: fix mip6_mh_filter()
ipv6: raw: fix icmpv6_filter()
net: guard tcp_set_keepalive() to tcp sockets
phy/micrel: Add missing header to micrel_phy.h
phy/micrel: Rename KS80xx to KSZ80xx
phy/micrel: Implement support for KSZ8021
batman-adv: Fix symmetry check / route flapping in multi interface setups
batman-adv: Fix change mac address of soft iface.
pppoe: drop PPPOX_ZOMBIEs in pppoe_release
team: send port changed when added
ipv4: raw: fix icmp_filter()
net/phy/bcm87xx: Add MODULE_LICENSE("GPL") to GPL driver
iwlwifi: don't double free the interrupt in failure path
cfg80211: fix possible circular lock on reg_regdb_search()
Bluetooth: Fix not removing power_off delayed work
Bluetooth: Fix freeing uninitialized delayed works
Bluetooth: mgmt: Fix enabling LE while powered off
Bluetooth: mgmt: Fix enabling SSP while powered off
There is no such part as KS8001, KS8041 or KS8051. There are only
KSZ8001, KSZ8041 and KSZ8051. Rename these parts as such to match
the Micrel naming.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: David J. Choi <david.choi@micrel.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Cc: Linux ARM kernel <linux-arm-kernel@lists.infradead.org>
Cc: Fabio Estevam <fabio.estevam@freescale.com>
Cc: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
When either of __alloc_from_contiguous or __alloc_remap_buffer fails
to provide a valid pointer, allocated memory is freed up and an error
is returned. 'pages' was however not freed before returning error.
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Pull ARM and clkdev fixes from Russell King:
"Two patches for clkdev which resolve the long standing issue that the
devm_* versions were dependent on clkdev, which they shouldn't have
been. Instead, they're dependent on HAVE_CLK instead, which implies
that you're providing clk_get() and clk_put().
A small fix to the ARM decompressor to ensure that the page tables are
properly interpreted by the CPU, and reserve syscall 378 for kcmp (the
checksyscalls.sh script is unfortunately currently broken so arch
maintainers aren't getting notified of new syscalls...)
Lastly, a larger fix for an issue between the common clk subsystem and
smp_twd which causes warnings to be spat out."
* 'fixes' of git://git.linaro.org/people/rmk/linux-arm:
ARM: reserve syscall 378 for kcmp
ARM: 7535/1: Reprogram smp_twd based on new common clk framework notifiers
ARM: 7537/1: clk: Fix release in devm_clk_put()
ARM: 7532/1: decompressor: reset SCTLR.TRE for VMSA ARMv7 cores
ARM: 7534/1: clk: Make the managed clk functions generically available
kcmp has appeared on x86, but has not been noticed because
checksyscalls.sh is broken at the moment. Reserve ARM syscall 378
for this should we ever need it, and add an __IGNORE entry for this
unimplemented syscall.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
removes unnecessary semicolon
Found by Coccinelle: http://coccinelle.lip6.fr/
Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Delete successive assignments to the same location.
A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
@@
expression i;
@@
*i = ...;
i = ...;
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
This is trivial patch to mate parameter name between iommu api enabled case and
disabled case.
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: KyongHo Cho <pullip.cho@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Running cpufreq driver on imx6q, the following warning is seen.
$ BUG: sleeping function called from invalid context at kernel/mutex.c:269
<snip>
stack backtrace:
Backtrace:
[<80011d64>] (dump_backtrace+0x0/0x10c) from [<803fc164>] (dump_stack+0x18/0x1c)
r6:bf8142e0 r5:bf814000 r4:806ac794 r3:bf814000
[<803fc14c>] (dump_stack+0x0/0x1c) from [<803fd444>] (print_usage_bug+0x250/0x2b
8)
[<803fd1f4>] (print_usage_bug+0x0/0x2b8) from [<80060f90>] (mark_lock+0x56c/0x67
0)
[<80060a24>] (mark_lock+0x0/0x670) from [<80061a20>] (__lock_acquire+0x98c/0x19b
4)
[<80061094>] (__lock_acquire+0x0/0x19b4) from [<80062f14>] (lock_acquire+0x68/0x
7c)
[<80062eac>] (lock_acquire+0x0/0x7c) from [<80400f28>] (mutex_lock_nested+0x78/0
x344)
r7:00000000 r6:bf872000 r5:805cc858 r4:805c2a04
[<80400eb0>] (mutex_lock_nested+0x0/0x344) from [<803089ac>] (clk_get_rate+0x1c/
0x58)
[<80308990>] (clk_get_rate+0x0/0x58) from [<80013c48>] (twd_update_frequency+0x1
8/0x50)
r5:bf253d04 r4:805cadf4
[<80013c30>] (twd_update_frequency+0x0/0x50) from [<80068e20>] (generic_smp_call
_function_single_interrupt+0xd4/0x13c)
r4:bf873ee0 r3:80013c30
[<80068d4c>] (generic_smp_call_function_single_interrupt+0x0/0x13c) from [<80013
34c>] (handle_IPI+0xc0/0x194)
r8:00000001 r7:00000000 r6:80574e48 r5:bf872000 r4:80593958
[<8001328c>] (handle_IPI+0x0/0x194) from [<800084e8>] (gic_handle_irq+0x58/0x60)
r8:00000000 r7:bf873f8c r6:bf873f58 r5:80593070 r4:f4000100
r3:00000005
[<80008490>] (gic_handle_irq+0x0/0x60) from [<8000e124>] (__irq_svc+0x44/0x60)
Exception stack(0xbf873f58 to 0xbf873fa0)
3f40: 00000001 00000001
3f60: 00000000 bf814000 bf872000 805cab48 80405aa4 80597648 00000000 412fc09a
3f80: bf872000 bf873fac bf873f70 bf873fa0 80063844 8000f1f8 20000013 ffffffff
r6:ffffffff r5:20000013 r4:8000f1f8 r3:bf814000
[<8000f1b8>] (default_idle+0x0/0x4c) from [<8000f428>] (cpu_idle+0x98/0x114)
[<8000f390>] (cpu_idle+0x0/0x114) from [<803f9834>] (secondary_start_kernel+0x11
c/0x140)
[<803f9718>] (secondary_start_kernel+0x0/0x140) from [<103f9234>] (0x103f9234)
r6:10c03c7d r5:0000001f r4:4f86806a r3:803f921c
It looks that the warning is caused by that twd_update_frequency() gets
called from an atomic context while it calls clk_get_rate() where a
mutex gets held.
To fix the warning, let's convert common clk users over to clk notifiers
in place of CPUfreq notifiers. This works out nicely for Cortex-A9
MPcore designs that scale all CPUs at the same frequency.
Platforms that have not been converted to the common clk framework and
support CPUfreq will rely on the old mechanism. Once these platforms
are converted over fully then we can remove the CPUfreq-specific bits
for good.
Signed-off-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Most architectures implement this in exactly the same way. Instead of
having each architecture duplicate this function, provide a single
implementation in the core and make it a weak symbol so that it can be
overridden on architectures where it is required.
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Remove the __init annotations in order to keep pci_fixup_irqs() around
after init (e.g. for hotplug). This requires the same change for the
implementation of pcibios_update_irq() on all architectures. While at
it, all __devinit annotations are removed as well, since they will be
useless now that HOTPLUG is always on.
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Since i.MX has SPARSE_IRQ enabled the i.MX25 timer is broken. This
is because the internal irqs now start at an offset of NR_IRQS_LEGACY.
The patch fixed this up, but missed the i.MX25 timer which used a
hardcoded value instead of a define. This patch introduces a define
for the timer irq and uses it.
This is broken since introduced with 3.6-rc1:
| commit 8842a9e286
| Author: Shawn Guo <shawn.guo@linaro.org>
| Date: Thu Jun 14 11:16:14 2012 +0800
|
| ARM: imx: enable SPARSE_IRQ for imx platform
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Since commit eb92044eb (ARM i.MX3: Make ccm base address a variable )
it is necessary to pass the CCM register base as a variable.
Fix the CCM register access in mach-armadillo5x0 by passing mx3_ccm_base and
avoid illegal accesses.
Also applies to v3.5
Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Cc: stable@vger.kernel.org
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Merge tag 'at91-fixes' of git://github.com/at91linux/linux-at91 into fixes
From Nicolas Ferre:
Modify AT91 device tree files for making the GPIO interrupts work.
* tag 'at91-fixes' of git://github.com/at91linux/linux-at91:
ARM: at91: fix missing #interrupt-cells on gpio-controller
* 'v3.6-samsung-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
ARM: SAMSUNG: Use spin_lock_{irqsave,irqrestore} in clk_set_rate
ARM: SAMSUNG: use spin_lock_irqsave() in clk_set_parent
The spinlock clocks_lock can be held during ISR, hence it is not safe to
hold that lock with disabling interrupts.
It fixes following potential deadlock.
=========================================================
[ INFO: possible irq lock inversion dependency detected ]
3.6.0-rc4+ #2 Not tainted
---------------------------------------------------------
swapper/0/1 just changed the state of lock:
(&(&host->lock)->rlock){-.....}, at: [<c027fb0d>] sdhci_irq+0x15/0x564
but this lock took another, HARDIRQ-unsafe lock in the past:
(clocks_lock){+.+...}
and interrupts could create inverse lock ordering between them.
other info that might help us debug this:
Possible interrupt unsafe locking scenario:
CPU0 CPU1
---- ----
lock(clocks_lock);
local_irq_disable();
lock(&(&host->lock)->rlock);
lock(clocks_lock);
<Interrupt>
lock(&(&host->lock)->rlock);
*** DEADLOCK ***
Signed-off-by: Tushar Behera <tushar.behera@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
From 0cdf3aff, "ARM: SAMSUNG: use spin_lock_irqsave() in
clk_{enable,disable}":
The clk_enable()and clk_disable() can be used process and ISR either.
And actually it is used for real product and other platforms use it
now. So spin_lock_irqsave() should be used instead.
We need to make a similar change in clk_set_parent(). Otherwise,
you can potentially get spinlock recursion:
BUG: spinlock recursion on CPU#0, kinteractive/68
lock: 807832a8, .magic: dead4ead, .owner: kinteractive/68, .owner_cpu: 0
[<80015f54>] (unwind_backtrace+0x0/0x128) from [<804f2914>] (dump_stack+0x20/0x24)
[<804f2914>] (dump_stack+0x20/0x24) from [<804f57b8>] (spin_dump+0x80/0x94)
[<804f57b8>] (spin_dump+0x80/0x94) from [<804f57f8>] (spin_bug+0x2c/0x30)
[<804f57f8>] (spin_bug+0x2c/0x30) from [<80222730>] (do_raw_spin_lock+0x54/0x150)
[<80222730>] (do_raw_spin_lock+0x54/0x150) from [<804f96ec>] (_raw_spin_lock_irqsave+0x20/0x28)
[<804f96ec>] (_raw_spin_lock_irqsave+0x20/0x28) from [<80022ea4>] (clk_enable+0x3c/0x84)
[<80022ea4>] (clk_enable+0x3c/0x84) from [<8038336c>] (s5p_mfc_clock_on+0x60/0x74)
[<8038336c>] (s5p_mfc_clock_on+0x60/0x74) from [<8038645c>] (s5p_mfc_read_info+0x20/0x38)
[<8038645c>] (s5p_mfc_read_info+0x20/0x38) from [<8037ca3c>] (s5p_mfc_handle_frame+0x2e4/0x4bc)
[<8037ca3c>] (s5p_mfc_handle_frame+0x2e4/0x4bc) from [<8037d420>] (s5p_mfc_irq+0x1ec/0x6cc)
[<8037d420>] (s5p_mfc_irq+0x1ec/0x6cc) from [<8007fc74>] (handle_irq_event_percpu+0x8c/0x244)
[<8007fc74>] (handle_irq_event_percpu+0x8c/0x244) from [<8007fe78>] (handle_irq_event+0x4c/0x6c)
[<8007fe78>] (handle_irq_event+0x4c/0x6c) from [<80082dd8>] (handle_fasteoi_irq+0xe4/0x150)
[<80082dd8>] (handle_fasteoi_irq+0xe4/0x150) from [<8007f424>] (generic_handle_irq+0x3c/0x50)
[<8007f424>] (generic_handle_irq+0x3c/0x50) from [<8000f7c4>] (handle_IRQ+0x88/0xc8)
[<8000f7c4>] (handle_IRQ+0x88/0xc8) from [<80008564>] (gic_handle_irq+0x44/0x68)
[<80008564>] (gic_handle_irq+0x44/0x68) from [<8000e400>] (__irq_svc+0x40/0x60)
Exception stack(0xef3cbe68 to 0xef3cbeb0)
[<8000e400>] (__irq_svc+0x40/0x60) from [<80022cfc>] (clk_set_parent+0x30/0x74)
[<80022cfc>] (clk_set_parent+0x30/0x74) from [<803ac7f8>] (set_apll.isra.0+0x28/0xb0)
[<803ac7f8>] (set_apll.isra.0+0x28/0xb0) from [<803ac8e4>] (exynos5250_set_frequency+0x64/0xb8)
[<803ac8e4>] (exynos5250_set_frequency+0x64/0xb8) from [<803ac280>] (exynos_target+0x1b0/0x220)
[<803ac280>] (exynos_target+0x1b0/0x220) from [<803a4a0c>] (__cpufreq_driver_target+0xb0/0xd4)
[<803a4a0c>] (__cpufreq_driver_target+0xb0/0xd4) from [<803aab80>] (cpufreq_interactive_updown_task+0x214/0x264)
[<803aab80>] (cpufreq_interactive_updown_task+0x214/0x264) from [<80047d04>] (kthread+0x9c/0xa8)
[<80047d04>] (kthread+0x9c/0xa8) from [<8000fa48>] (kernel_thread_exit+0x0/0x8)
Signed-off-by: Mandeep Singh Baines <msb@chromium.org>
Suggested-by: Sunil Mazhavanchery <sunilm@samsung.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-samsung-soc@vger.kernel.org
Cc: Ben Dooks <ben-linux@fluff.org>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Minho Ban <mhban@samsung.com>
Cc: Jaecheol Lee <jc.lee@samsung.com>
Cc: Sunyoung Kang <sy0816.kang@samsung.com>
Cc: Olof Johansson <olofj@chromium.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
This resolves the merge problems with:
drivers/usb/dwc3/gadget.c
drivers/usb/musb/tusb6010.c
that had been seen in linux-next.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
for the v3.6 -rc cycle.
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Merge tag 'omap-fixes-noncritical-for-v3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/fixes-non-critical
From Tony Lindgren:
Non critical omap fixes that we not considered necessary
for the v3.6 -rc cycle.
* tag 'omap-fixes-noncritical-for-v3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP4: wakeupgen: remove duplicate AUXCOREBOOT* read/write
ARM: OMAP4: wakeupgen: Fix the typo in AUXCOREBOOT register save
gpio/omap: fix possible memory leak in omap2_gpio_dev_init()
This branch contains a number of minor bug-fixes for Tegra.
This branch is based ono v3.6-rc4.
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Merge tag 'tegra-for-3.7-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra into next/fixes-non-critical
* tag 'tegra-for-3.7-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra:
ARM: enable SUSPEND/ARCH_SUSPEND_POSSIBLE for ARCH_TEGRA
ARM: tegra: fix debugfs entry for Tegra30
ARM: tegra: fix return value for debugfs init
fix is necessary to compile the 8660 target. The iomapping calls are
needed to prevent duplicate mappings with differing attributes. And,
the debug UART change keeps the debug UART working on targets with
more than 512MB of memory.
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Merge tag 'msm-fix-noncrit-for-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/davidb/linux-msm into next/fixes-non-critical
From David Brown:
Some non-critical fixes for msm platforms. The missing FPGA init call
fix is necessary to compile the 8660 target. The iomapping calls are
needed to prevent duplicate mappings with differing attributes. And,
the debug UART change keeps the debug UART working on targets with
more than 512MB of memory.
* tag 'msm-fix-noncrit-for-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/davidb/linux-msm:
ARM: msm: Fix early debug uart mapping on some memory configs
ARM: msm: io: Change the default static iomappings to be shared
ARM: msm: io: Remove 7x30 iomap region from 7x00
ARM: msm: Remove call to missing FPGA init on 8660
The ts72xx.h header is only included by arch/arm/mach-ep93xx/ts72xx.c.
It therefore does not need to be in the globally exported include/mach
directory. Move it to to arch/arm/mach-ep93xx.
Signed-off-by: Ryan Mallon <rmallon@gmail.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
ARM is moving to stricter checks on readl/write functions,
so we need to use the correct types everywhere.
Cc: Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Ryan Mallon <rmallon@gmail.com>
This patch zeroes the SCTLR.TRE bit prior to setting the mapping as
cacheable for ARMv7 cores in the decompressor, ensuring that the
memory region attributes are obtained from the C and B bits, not from
the page tables.
Cc: Nicolas Pitre <nico@fluxnic.net>
Reviewed-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Matthew Leach <matthew.leach@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Pull one more DMA-mapping fix from Marek Szyprowski:
"This patch fixes very subtle bug (typical off-by-one error) which
might appear in very rare circumstances."
* 'fixes-for-3.6' of git://git.linaro.org/people/mszyprowski/linux-dma-mapping:
arm: mm: fix DMA pool affiliation check
The uart mapping runs into the space allocated for lowmem on some
8960 boards when we have more than 512Mb of memory. We were
getting lucky before and our mapping wasn't part of DDR. Move the
mapping up into the vmalloc area which will always be outside of
the lowmem mapping regardless of how much lowmem actually exists.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: David Brown <davidb@codeaurora.org>
With 3.4 kernel the static iomappings can be shared with the ioremap
mappings. If ioremap is called with an address for which a static
mapping already exists, then that mapping should be used instead
of creating a new one.
However, the MT_DEVICE_NONSHARED flag prevents this. Hence, get rid
of this flag. Some targets (7X00) that require the static iomappings
to be NONSHARED use the MSM_DEVICE_TYPE and MSM_CHIP_DEVICE_TYPE macros.
Signed-off-by: Rohit Vaswani <rvaswani@codeaurora.org>
Signed-off-by: David Brown <davidb@codeaurora.org>
