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The PCI-6534 needs three firmware files loading to work with the driver.
That is currently done by passing the firmware data using the
`COMEDI_DEVCONFIG` ioctl that uses the comedi `attach()` hook in the
driver. This doesn't work for auto-configured PCI devices (which also
currently use the `attach()` hook in this driver, but doesn't have the
firmware-loading options set in the `struct comedi_devconfig *`
parameter).
Change the driver to request the firmware files using
`request_firmware()`, ignoring any firmware-loading options set in the
`struct comedi_devconfig`.
The PCI-6534 has a main FPGA which needs to be loaded first, and two
"scarabs". Scarab A is loaded with firmware to support digital input
mode, and scarab B is loaded with firmware to support digital output
mode.
I don't think the order of loading the scarab firmwares matters as long
as they are loaded with the correct firmware files. This update loads
scarab B first, whereas the original code loaded scarab A first. The
firmware files are loaded in the following order:
A) main FPGA: "ni6534a.bin" (FW_PCI_6534_MAIN)
B) scarab B: "niscrb02.bin" (FW_PCI_6534_SCARAB_DO)
C) scarab A: "niscrb01.bin" (FW_PCI_6534_SCARAB_DI)
The required firmware files can be found in the
"comedi-nonfree-firmware" tar-ball at
<http://www.comedi.org/download/comedi-nonfree-firmware-2007.06.22.tar.gz>.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Convert the `printk()` calls in this driver to use the `dev_...()` calls
where possible, or the `pr_...()` calls otherwise. Combine
non-line-terminated prints into single-line prints.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Convert this PCI driver to use the comedi `attach_pci` callback instead
of the `attach` callback for PCI auto-configuration. Remove support for
manual attachment of PCI boards supported by this driver. The `attach`
callback is still needed to manually attach ISA boards, but print an
error if an attempt is made to manually attach a PCI board.
Note that this driver still uses the list of PCI "mite" devices created
by the "mite" module. This will be dealt with by a later patch once
dynamic allocation of "mite" structures has been implemented.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Move the `labpc_driver` and `labpc_pci_table` variables nearer the
module initialization code near the bottom of the module for aesthetic
reasons and to avoid a forward declaration of `labpc_attach()`.
As a consequence, to avoid having to add a forward declaration of the
`labpc_driver` variable, change code that uses
`labpc_driver.driver_name` to use `DRV_NAME` instead, and change code
that uses `labpc_driver.num_names` to use `ARRAY_SIZE(labpc_boards)`
instead.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Use the macro `module_comedi_pci_driver(comedi_driver, pci_driver)` to
register the module as a Comedi PCI driver if the module supports PCI
devices, otherwise use `module_comedi_driver(comedi_driver)` to register
it as an ordinary Comedi driver. Rename variables and functions that
have prefix `driver_` for consistency. Set the `name` member of the
`struct pci_driver` variable in its initializer instead of initializing
it in the module initialization function.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Convert the `printk()` calls in this driver to use the `dev_...()` calls
where possible, or the `pr_...()` calls otherwise. Remove the ifdefed
out code that prints the EEPROM contents.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Convert this PCI driver to use the comedi `attach_pci` callback instead
of the `attach` callback for PCI auto-configuration. There is no need
to support manual attachment of PCI devices supported by this driver, so
remove the `attach` callback altogether.
Note that this driver still uses the list of PCI "mite" devices created
by the "mite" module. This will be dealt with by a later patch once
dynamic allocation of "mite" structures has been implemented.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Convert this PCI driver to use the comedi `attach_pci` callback instead
of the `attach` callback for PCI auto-configuration. There is no need
to support manual attachment of PCI devices supported by this driver, so
remove the `attach` callback altogether.
Note that this driver still uses the list of PCI "mite" devices created
by the "mite" module. This will be dealt with by a later patch once
dynamic allocation of "mite" structures has been implemented.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Use the macro `module_comedi_pci_driver(comedi_driver, pci_driver)` to
register the module as a Comedi PCI driver. Rename variables and
functions that have prefix `driver_` for consistency. Set the `name`
member of the `struct pci_driver` variable in its initializer instead of
initializing it in the module initialization function.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Convert the `printk()` calls in this drivers to use the `dev_...()`
calls instead. Replace some `printk()` calls in the comedi `attach()`
handler (`ni_660x_attach()`) with a single `dev_info()` at the end.
Remove some `printk()` calls before `BUG()` calls.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Convert this PCI driver to use the comedi `attach_pci` callback instead
of the `attach` callback for PCI auto-configuration. There is no need
to support manual attachment of PCI devices supported by this driver, so
remove the `attach` callback altogether.
Note that this driver still uses the list of PCI "mite" devices created
by the "mite" module. This will be dealt with by a later patch once
dynamic allocation of "mite" structures has been implemented.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Move the `struct comedi_driver ni_65xx_driver` variable further down the
function to be closer to the `module_comedi_pci_driver()` module call
and to avoid having to forward declare `ni_65xx_attach()` and
`ni_65xx_detach()`.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Use the macro `module_comedi_pci_driver(comedi_driver, pci_driver)` to
register the module as a Comedi PCI driver. Rename variables and
functions that have prefix `driver_` for consistency. Set the `name`
member of the `struct pci_driver` variable in its initializer instead of
initializing it in the module initialization function.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Convert the `printk()` calls in this drivers to use the `dev_...()`
calls instead. Remove the initial `printk()` call in the comedi
`attach()` handler (`ni_65xx_attach()`) as it's a bit redundant - the
board type and contents of a board ID register are printed later in the
function.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Convert this PCI driver to use the comedi `attach_pci` callback instead
of the `attach` callback for PCI auto-configuration. There is no need
to support manual attachment of PCI devices supported by this driver, so
remove the `attach` callback altogether.
Note that this driver still uses the list of PCI "mite" devices created
by the "mite" module. This will be dealt with by a later patch once
dynamic allocation of "mite" structures has been implemented.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Move the `struct comedi_driver ni6527_driver` variable further down the
function to be closer to the `module_comedi_pci_driver()` module call
and to avoid having to forward declare `ni6527_attach()` and
`ni6527_detach()`.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Use the macro `module_comedi_pci_driver(comedi_driver, pci_driver)` to
register the module as a Comedi PCI driver. Rename variables and
functions that have prefix `driver_` for consistency. Set the `name`
member of the `struct pci_driver` variable in its initializer instead of
initializing it in the module initialization function.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Change the driver name string used in data structures, kernel messages,
etc. from "ni6527" to "ni_6527" to match the module name. Use a macro
`DRIVER_NAME` that expands to this string literal.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Convert the `printk()` calls in this drivers to use the `dev_...()`
calls instead. Remove the initial `printk()` call in the comedi
`attach()` handler (`ni6527_attach()`) as it's a bit redundant - the
board type and contents of a board ID register are printed later in the
function.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Return the value returned by the failing function instead
of -1 (which does not convey the right error information).
Fixes the following smatch warning:
drivers/tty/serial/samsung.c:1687 s3c24xx_serial_modinit() info:
why not propagate 'ret' from uart_register_driver() instead of -1?
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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In the trace we print the wrong values for N(R) on an I frame.
Correct the mask.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Otherwise we start trying to use a bogus channel - ungood.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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We don't want to free a random address if the entry is wrong, cover
this and WARN if it ever happens.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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HVC returns a size of -1 bytes for the write room in some cases.
This is bogus and not handled by the tty layer at all.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Return -ENOMEM instead of -1 if memory allocation fails.
Return -EINVAL instead of -1 for stack overflow and
underflow errors.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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container_of() never returns NULL, thus also remove the NULL checking for it.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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The patch contains the exception entry code (kernel/entry.S), pt_regs
structure and related accessors, undefined instruction trapping and
stack tracing.
AArch64 Linux kernel (including kernel threads) runs in EL1 mode using
the SP1 stack. The vectors don't have a fixed address, only alignment
(2^11) requirements.
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Nicolas Pitre <nico@linaro.org>
Acked-by: Olof Johansson <olof@lixom.net>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
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The patch adds the kernel booting and the initial setup code.
Documentation/arm64/booting.txt describes the booting protocol on the
AArch64 Linux kernel. This is subject to change following the work on
boot standardisation, ACPI.
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Nicolas Pitre <nico@linaro.org>
Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Olof Johansson <olof@lixom.net>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
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This patch introduces several assembly macros and definitions used in
the .S files across arch/arm64/ like IRQ disabling/enabling, together
with asm-offsets.c.
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Nicolas Pitre <nico@linaro.org>
Acked-by: Olof Johansson <olof@lixom.net>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
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Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Tested-by: Bo Shen <voice.shen@atmel.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
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Clear Audio Enable bit to trigger unsolicated event to notify Audio
Driver part the HDMI hot plug change. The patch fixed the bug when
remove HDMI cable the bit was not cleared correctly.
In intel_hdmi_dpms(), if intel_hdmi->has_audio been true, the "Audio enable bit" will
be set to trigger unsolicated event to notify Alsa driver the change.
intel_hdmi->has_audio will be reset to false from intel_hdmi_detect() after
remove the hdmi cable, here's debug log:
[ 187.494153] [drm:output_poll_execute], [CONNECTOR:17:HDMI-A-1] status updated from 1 to 2
[ 187.525349] [drm:intel_hdmi_detect], HDMI: has_audio = 0
so when comes back to intel_hdmi_dpms(), the "Audio enable bit" will not be cleared. And this
cause the eld infomation and pin presence doesnot update accordingly in alsa driver side.
This patch will also trigger unsolicated event to alsa driver to notify the hot plug event:
[ 187.853159] ALSA sound/pci/hda/patch_hdmi.c:772 HDMI hot plug event: Codec=3 Pin=5 Presence_Detect=0 ELD_Valid=1
[ 187.853268] ALSA sound/pci/hda/patch_hdmi.c:990 HDMI status: Codec=3 Pin=5 Presence_Detect=0 ELD_Valid=0
Signed-off-by: Wang Xingchao <xingchao.wang@intel.com>
Cc: stable@vger.kernel.org
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Pin-leaks persist and we get the perennial bug reports of machine
lockups to the BUG_ON(pin_count==MAX). If we instead loudly report that
the object cannot be pinned at that time it should prevent the driver from
locking up, and hopefully restore a semblance of working whilst still
leaving us a OOPS to debug.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: stable@vger.kernel.org
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Otherwise things migt not work too well.
Breakage introduced in
commit eb1cbe4848b01f9f073064377875bc7d71eb401b
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Wed Mar 28 23:12:16 2012 +0200
drm/i915: split PLL update code out of i9xx_crtc_mode_set
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
Cc: stable@vger.kernel.org (for 3.5 only)
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Read unit address is done for all devices during online processing to read
out LCU features. This is also done after disconnect/connect a LCU.
Some older storage hardware does not provide the capability to read unit
address configuration.
This leads to a loop trying to read unit address configuration every 30
seconds. The device is still operational but logs are flooded with error
messages.
Fix the loop by recognizing a command reject saying that the suborder
for ruac is not supported.
Signed-off-by: Stefan Haberland <stefan.haberland@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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If a new path is available we need to verify the path data. If it is the
first path for a device the stop bits are removed after path verification.
If a pathgroup is established we need to set system characteristics for
the lcu. Therefore I/O has to be started.
If the device is stopped the set system characteristics worker may block
the path verification worker and the device is blocked.
Turn on failfast for set system characteristics CQR to prevent a deadlock
with the path verification worker.
If a pathgroup is established on a device that is not in use trigger path
verification. Maybe we were not informed about a working path.
Signed-off-by: Stefan Haberland <stefan.haberland@de.ibm.com>
Reviewed-by: Stefan Weinhuber <wein@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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The s390 page-table walk code, used for user copy and futex, currently
cannot handle huge pages. As far as user copy is concerned, that is
not really a problem because those functions will only be used on old
hardware that has no huge page support. But the futex code will also
use pagetable walk functions on current hardware when user space runs
in primary space mode. So, if a futex sits in a huge page, the futex
operation on it will result in a page fault loop or even data
corruption.
This patch adds the code for resolving huge page mappings in the user
access pagetable walk code on s390.
Signed-off-by: Gerald Schaefer <gerald.schaefer@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless
John W. Linville says:
====================
This is a batch of fixes intended for the 3.6 stream.
Arend van Spriel sends a simple thinko fix to correct a constant,
preventing the setting of an invalid power level.
Colin Ian King gives us a simple allocation failure check to avoid a
NULL pointer dereference.
Felix Fietkau sends another ath9k tx power patch, this time disabling a
feature that has been reported to cause rx problems.
Hante Meuleman provides a pair of endian fixes for brcmfmac.
Larry Finger offers an rtlwifi fix that avoids a system lockup related
to loading the wrong firmware for RTL8188CE devices.
These have been in linux-next for a few days and I think they should be
included in the final 3.6 kernel if possible.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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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>
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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>
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This pulls in the fixes in 3.6-rc6
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This pulls in the staging tree fixes in 3.6-rc6 into our branch to resolve the
merge issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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48d480b0bde794781fcae9501fb043c1bac0e523 [[MIPS] Malta: Fix off by one bug in interrupt
handler.] did not take in account that irq_ffs() will also return 0 if for some reason
the set of pending interrupts happens to be empty.
This is trivial to trigger with a RM5261 CPU module running a 64-bit kernel and results
in something like the following:
CPU 0 Unable to handle kernel paging request at virtual address 0000000000000000, epc == ffffffff801772d0, ra == ffffffff8017ad24
Oops[#1]:
Cpu 0
$ 0 : 0000000000000000 ffffffff9000a4e0 ffffffff9000a4e0 ffffffff9000a4e0
$ 4 : ffffffff80592be0 0000000000000000 00000000000000d6 ffffffff80322ed0
$ 8 : ffffffff805fe538 0000000000000000 ffffffff9000a4e0 ffffffff80590000
$12 : 00000000000000d6 0000000000000000 ffffffff80600000 ffffffff805fe538
$16 : 0000000000000000 0000000000000010 ffffffff80592be0 0000000000000010
$20 : 0000000000000000 0000000000500001 0000000000000000 ffffffff8051e078
$24 : 0000000000000028 ffffffff803226e8
$28 : 9800000003828000 980000000382b900 ffffffff8051e060 ffffffff8017ad24
Hi : 0000000000000000
Lo : 0000006388974000
epc : ffffffff801772d0 handle_irq_event_percpu+0x70/0x2f0
Not tainted
ra : ffffffff8017ad24 handle_percpu_irq+0x54/0x88
Status: 9000a4e2 KX SX UX KERNEL EXL
Cause : 00808008
BadVA : 0000000000000000
PrId : 000028a0 (Nevada)
Modules linked in:
Process init (pid: 1, threadinfo=9800000003828000, task=9800000003827968, tls=0000000077087490)
Stack : ffffffff80592be0 ffffffff8058d248 0000000000000040 0000000000000000
ffffffff80613340 0000000000500001 ffffffff805a0000 0000000000000882
9800000003b89000 ffffffff8017ad24 00000000000000d5 0000000000000010
ffffffff9000a4e1 ffffffff801769f4 ffffffff9000a4e0 ffffffff801037f8
0000000000000000 ffffffff80101c44 0000000000000000 ffffffff9000a4e0
0000000000000000 9000000018000000 90000000180003f9 0000000000000001
0000000000000000 00000000000000ff 0000000000000018 0000000000000001
0000000000000001 00000000003fffff 0000000000000020 ffffffff802cf7ac
ffffffff80208918 000000007fdadf08 ffffffff80612d88 ffffffff9000a4e1
0000000000000040 0000000000000000 ffffffff80613340 0000000000500001
...
Call Trace:
[<ffffffff801772d0>] handle_irq_event_percpu+0x70/0x2f0
[<ffffffff8017ad24>] handle_percpu_irq+0x54/0x88
[<ffffffff801769f4>] generic_handle_irq+0x44/0x60
[<ffffffff801037f8>] do_IRQ+0x48/0x70
[<ffffffff80101c44>] ret_from_irq+0x0/0x4
[<ffffffff80326170>] serial8250_startup+0x310/0x870
[<ffffffff8032175c>] uart_startup.part.7+0x9c/0x330
[<ffffffff80321b4c>] uart_open+0x15c/0x1b0
[<ffffffff80302034>] tty_open+0x1fc/0x720
[<ffffffff801bffac>] chrdev_open+0x7c/0x180
[<ffffffff801b9ab8>] do_dentry_open.isra.14+0x288/0x390
[<ffffffff801bac5c>] nameidata_to_filp+0x5c/0xc0
[<ffffffff801ca700>] do_last.isra.33+0x330/0x8f0
[<ffffffff801caf3c>] path_openat+0xbc/0x440
[<ffffffff801cb3c8>] do_filp_open+0x38/0xa8
[<ffffffff801bade4>] do_sys_open+0x124/0x218
[<ffffffff80110538>] handle_sys+0x118/0x13c
Code: 02d5a825 12800012 02a0b02d <de820000> de850008 0040f809 0220202d 0040a82d 40026000
---[ end trace 5d8e7b9a86badd2d ]---
Kernel panic - not syncing: Fatal exception in interrupt
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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This pulls in the fixes in that branch that are needed here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6
Pull mfd fixes from Samuel Ortiz:
"This is the remaining MFD fixes for 3.6, with 5 pending fixes:
- A tps65217 build error fix.
- A lcp_ich regression fix caused by the MFD driver failing to
initialize the watchdog sub device due to ACPI conflicts.
- 2 MAX77693 interrupt handling bug fixes.
- An MFD core fix, adding an IRQ domain argument to the MFD device
addition API in order to prevent silent and potentially harmful
remapping behaviour changes for drivers supporting non-DT
platforms."
* tag 'mfd-for-linus-3.6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6:
mfd: MAX77693: Fix NULL pointer error when initializing irqs
mfd: MAX77693: Fix interrupt handling bug
mfd: core: Push irqdomain mapping out into devices
mfd: lpc_ich: Fix a 3.5 kernel regression for iTCO_wdt driver
mfd: Move tps65217 regulator plat data handling to regulator
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Pull pwm fixes from Thierry Reding:
"While this comes a bit later than I had wished, both patches are
rather minor and touch only new drivers so I think these are still
safe for merging."
* tag 'for-3.6-rc6' of git://gitorious.org/linux-pwm/linux-pwm:
pwm: pwm-tiehrpwm: Fix conflicting channel period setting
pwm: pwm-tiecap: Disable APWM mode after configure
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Pull scsi target fixes from Nicholas Bellinger:
"Here is the current set of target-pending fixes headed for v3.6-final
The main parts of this series include bug-fixes from Paolo Bonzini to
address an use-after-free bug in pSCSI sense exception handling, along
with addressing some long-standing bugs wrt the handling of zero-
length SCSI CDB payloads also specific to pSCSI pass-through device
backends."
* git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending:
target: go through normal processing for zero-length REQUEST_SENSE
target: support zero allocation length in REQUEST SENSE
target: support zero-size allocation lengths in transport_kmap_data_sg
target: fail REPORT LUNS with less than 16 bytes of payload
target: report too-small parameter lists everywhere
target: go through normal processing for zero-length PSCSI commands
target: fix use-after-free with PSCSI sense data
target: simplify code around transport_get_sense_data
target: move transport_get_sense_data
target: Check idr_get_new return value in iscsi_login_zero_tsih_s1
target: Fix ->data_length re-assignment bug with SCSI overflow
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