| Commit message (Collapse) | Author | Age |
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The empty kdoc was causing warnings, so provide some actual documentation.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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Comamnd->Command
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: add driver for Atmel integrated touchscreen controller
Input: ads7846 - optimize order of calculating Rt in ads7846_rx()
Input: ads7846 - fix sparse endian warnings
Input: uinput - remove duplicate include
Input: serio - offload resume to kseriod
Input: serio - mark serio_register_driver() __must_check
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The AT91SAM9RL SoC integrates a Touchscreen Controller which
can trigger ADC conversion periodically.
Signed-off-by: Justin Waters <justin.waters@timesys.com>
Signed-off-by: Dan Liang <dan.liang@atmel.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Alter the if expression for calculating Rt. The old implementation would
run unnecessary code when the ADS7843 device was used.
The patch also fixes the code style to kernel standard.
Signed-off-by: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Also remove the temporary pointer and use ->rx_buf directly.
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Remove duplicate include file <linux/smp_lock.h> in
drivers/input/misc/uinput.c.
Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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When resuming AUX ports psmouse driver calls psmouse_extensions()
to determine if the attached mouse is still the same, which may take
a while to complete for generic mice. Offload the resume process to
kseriod so the rest of the system may continue resuming without
waiting for the mouse.
Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Also remove extra declaration of serio_register_driver().
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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git://git.kernel.org/pub/scm/linux/kernel/git/teigland/dlm
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/dlm:
dlm: fix uninitialized variable for search_rsb_list callers
dlm: release socket on error
dlm: fix basts for granted CW waiting PR/CW
dlm: check for null in device_write
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gcc 4.3.0 correctly emits the following warning.
search_rsb_list does not *r_ret if no dlm_rsb is found
and _search_rsb may pass the uninitialized value upstream
on the error path when both calls to search_rsb_list
return non-zero error.
The fix sets *r_ret to NULL on search_rsb_list's not-found path.
Signed-off-by: Benny Halevy <bhalevy@panasas.com>
Signed-off-by: David Teigland <teigland@redhat.com>
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It seems that `sock' allocated by sock_create_kern in
tcp_connect_to_sock() of dlm/fs/lowcomms.c is not released if
dlm_nodeid_to_addr an error.
Acked-by: Christine Caulfield <ccaulfie@redhat.com>
Signed-off-by: Masatake YAMATO <yamato@redhat.com>
Signed-off-by: David Teigland <teigland@redhat.com>
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The fix in commit 3650925893469ccb03dbcc6a440c5d363350f591 was addressing
the case of a granted PR lock with waiting PR and CW locks. It's a
special case that requires forcing a CW bast. However, that forced CW
bast was incorrectly applying to a second condition where the granted
lock was CW. So, the holder of a CW lock could receive an extraneous CW
bast instead of a PR bast. This fix narrows the original special case to
what was intended.
Signed-off-by: David Teigland <teigland@redhat.com>
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If `device_write' method is called via "dlm-control",
file->private_data is NULL. (See ctl_device_open() in
user.c. ) Through proc->flags is read.
Signed-off-by: Masatake YAMATO <yamato@redhat.com>
Signed-off-by: David Teigland <teigland@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (25 commits)
powerpc: Disable 64K hugetlb support when doing 64K SPU mappings
powerpc/powermac: Fixup default serial port device for pmac_zilog
powerpc/powermac: Use sane default baudrate for SCC debugging
powerpc/mm: Implement _PAGE_SPECIAL & pte_special() for 64-bit
powerpc: Show processor cache information in sysfs
powerpc: Make core id information available to userspace
powerpc: Make core sibling information available to userspace
powerpc/vio: More fallout from dma_mapping_error API change
ibmveth: Fix multiple errors with dma_mapping_error conversion
powerpc/pseries: Fix CMO sysdev attribute API change fallout
powerpc: Enable tracehook for the architecture
powerpc: Add TIF_NOTIFY_RESUME support for tracehook
powerpc: Add asm/syscall.h with the tracehook entry points
powerpc: Make syscall tracing use tracehook.h helpers
powerpc: Call tracehook_signal_handler() when setting up signal frames
powerpc: Update cpu_sibling_maps dynamically
powerpc: register_cpu_online should be __cpuinit
powerpc: kill useless SMT code in prom_hold_cpus
powerpc: Fix 8xx build failure
powerpc: Fix vio build warnings
...
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The 64K SPU local store mapping feature is incompatible with the
64K huge pages support due to the inability of some parts of
the memory management to differenciate between them while they
use a different page table format.
For now, disable 64K huge pages when CONFIG_SPU_FS_64K_LS,
in the long run, this can be fixed by making this feature use
the hugetlb page table format.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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This removes the non-working code in legacy_serial that tried to handle
the powermac SCC ports, and instead add a (now working) function to the
powermac platform code to find the default serial console if any.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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When using the "sccdbg" option to route early kernel messages and
xmon to the SCC serial port on PowerMacs, when this wasn't the
configured output port of Open Firmware, we initialize the baudrate
to 57600bps. This isn't a very good default on some powermacs where
both the FW and pmac_zilog will default to 38400. This fixes it to
use the same logic as pmac_zilog to pick a default speed.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Implement _PAGE_SPECIAL and pte_special() for 64-bit powerpc. This bit will
be used by the fast get_user_pages() to differenciate PTEs that correspond
to a valid struct page from special mappings that don't such as IO mappings
obtained via io_remap_pfn_ranges().
Signed-off-by: Nick Piggin <npiggin@suse.de>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Hugh Dickins <hugh@veritas.com>
Cc: "Paul E. McKenney" <paulmck@us.ibm.com>
Reviewed-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Collect cache information from the OF device tree and display it in
the cpu hierarchy in sysfs. This is intended to be compatible at the
userspace level with x86's implementation[1], hence some of the funny
attribute names. The arrangement of cache info is not immediately
intuitive, but (again) it's for compatibility's sake.
The cache attributes exposed are:
type (Data, Instruction, or Unified)
level (1, 2, 3...)
size
coherency_line_size
number_of_sets
ways_of_associativity
All of these can be derived on platforms that follow the OF PowerPC
Processor binding. The code "publishes" only those attributes for
which it is able to determine values; attributes for values which
cannot be determined are not created at all.
[1] arch/x86/kernel/cpu/intel_cacheinfo.c
BenH: Turned some printk's into pr_debug, added better NULL checking
in a couple of places.
Signed-off-by: Nathan Lynch <ntl@pobox.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Existing Open Firmware practice is to report each processor core as a
separate node in the device tree. Report the value of the "reg" OF
property corresponding to a logical CPU's device node as the core_id
attribute in /sys/devices/system/cpu/cpu*/topology/core_id.
Signed-off-by: Nathan Lynch <ntl@pobox.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Implement the notion of "core siblings" for powerpc. This makes
/sys/devices/system/cpu/cpu*/topology/core_siblings present sensible
values, indicating online CPUs which share an L2 cache.
BenH: Made cpu_to_l2cache() use of_find_node_by_phandle() instead
of IBM-specific open coded search
Signed-off-by: Nathan Lynch <ntl@pobox.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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arch/powerpc/kernel/vio.c:533: error: too few arguments to function 'dma_mapping_error'
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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The addition of an argument to dma_mapping_error() in commit
8d8bb39b9eba32dd70e87fd5ad5c5dd4ba118e06 "dma-mapping: add the device
argument to dma_mapping_error()" left a bit of fallout:
drivers/net/ibmveth.c:263: error: too few arguments to function 'dma_mapping_error'
drivers/net/ibmveth.c:264: error: expected ')' before 'goto'
drivers/net/ibmveth.c:284: error: expected expression before '}' token
drivers/net/ibmveth.c:297: error: too few arguments to function 'dma_mapping_error'
drivers/net/ibmveth.c:298: error: expected ')' before 'dma_unmap_single'
drivers/net/ibmveth.c:306: error: expected expression before '}' token
drivers/net/ibmveth.c:491: error: too few arguments to function 'dma_mapping_error'
drivers/net/ibmveth.c:927: error: too few arguments to function 'dma_mapping_error'
drivers/net/ibmveth.c:927: error: expected ')' before '{' token
drivers/net/ibmveth.c:974: error: expected expression before '}' token
drivers/net/ibmveth.c:914: error: label 'out' used but not defined m
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Noticed due to these wanings:
arch/powerpc/platforms/pseries/cmm.c:298: warning: initialization from incompatible pointer type
arch/powerpc/platforms/pseries/cmm.c:299: warning: initialization from incompatible pointer type
arch/powerpc/platforms/pseries/cmm.c:320: warning: initialization from incompatible pointer type
arch/powerpc/platforms/pseries/cmm.c:320: warning: initialization from incompatible pointer type
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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The powerpc arch code has all the prerequisites, so set HAVE_ARCH_TRACEHOOK.
Signed-off-by: Roland McGrath <roland@redhat.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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This adds TIF_NOTIFY_RESUME support for powerpc. When set,
we call tracehook_notify_resume() on the way to user mode.
This overloads do_signal() to do the work, but changes its
arguments to it has the TIF_* bits handy in a register and
drops the useless first argument that was always zero.
Signed-off-by: Roland McGrath <roland@redhat.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Add asm/syscall.h for powerpc with all the required entry points.
This will allow arch-independent tracing code for system calls.
BenH: Fixed up use of regs->trap to properly mask low bit
Signed-off-by: Roland McGrath <roland@redhat.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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This changes powerpc syscall tracing to use the new tracehook.h entry
points. There is no change, only cleanup.
In addition, the assembly changes allow do_syscall_trace_enter() to
abort the syscall without losing the information about the original
r0 value.
Signed-off-by: Roland McGrath <roland@redhat.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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This makes the powerpc signal handling code call tracehook_signal_handler()
after a handler is set up. This means that using PTRACE_SINGLESTEP to
enter a signal handler will report to ptrace on the first instruction of
the handler, instead of the second. This is consistent with what x86 and
other machines do, and what users and debuggers want.
BenH: Fixed up the test for the trap value.
Signed-off-by: Roland McGrath <roland@redhat.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Rather doing one initialization pass over all the per-cpu
cpu_sibling_maps at boot, update the maps at cpu online/offline time.
This is a behavior change -- the thread_siblings attribute now
reflects only online siblings, whereas it would display offline
siblings before. The new behavior matches that of x86, and is
arguably more useful.
Signed-off-by: Nathan Lynch <ntl@pobox.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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It is called only in cpu online paths.
(caught by CONFIG_DEBUG_SECTION_MISMATCH=y)
Signed-off-by: Nathan Lynch <ntl@pobox.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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This piece of code is broken for >2 threads, and possibly in some
other subtle ways (such as comparing a value obtained from an
"ibm,ppc-interrupt-server#s" property to a value obtained from a
"reg" property) and doesn't seem to have any useful purpose in the
first place other than a dubious warning in case NR_CPUS is too
small, which probably isn't the right place to do so.
Signed-off-by: Nathan Lynch <ntl@pobox.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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The 'powerpc ioremap_prot' broke 8xx builds:
include2/asm/pgtable-ppc32.h:555: error: '_PAGE_WRITETHRU' undeclared (first use in this function)
include2/asm/pgtable-ppc32.h:555: error: (Each undeclared identifier is reported only once
include2/asm/pgtable-ppc32.h:555: error: for each function it appears in.)
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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arch/powerpc/kernel/vio.c:1034: warning: function declaration isnât a prototype
arch/powerpc/kernel/vio.c:1035: warning: function declaration isnât a prototype
Signed-off-by: Nathan Lynch <ntl@pobox.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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* CONFIG_BOOKE is selected by CONFIG_44x so we dont need both
* Fixed a few comments
* Go back to only using DBCR0_IDM to determine if we are using
debug resources.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Removed duplicated include file <linux/module.h> in
arch/powerpc/kernel/stacktrace.c.
Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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This patch adds support for populating an SPI bus based on data in the
OF device tree. This is useful for powerpc platforms which use the
device tree instead of discrete code for describing platform layout.
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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spi_new_device() allocates and registers an spi device all in one swoop.
If the driver needs to add extra data to the spi_device before it is
registered, then this causes problems. This is needed for OF device
tree support so that the SPI device tree helper can add a pointer to
the device node after the device is allocated, but before the device
is registered. OF aware SPI devices can then retrieve data out of the
device node to populate a platform data structure.
This patch splits the allocation and registration portions of code out
of spi_new_device() and creates two new functions; spi_alloc_device()
and spi_register_device(). spi_new_device() is modified to use the new
functions for allocation and registration. None of the existing users
of spi_new_device() should be affected by this change.
Drivers using the new API can forego the use of spi_board_info
structure to describe the device layout and populate data into the
spi_device structure directly.
This change is in preparation for adding an OF device tree parser to
generate spi_devices based on data in the device tree.
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
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SPI has a similar problem as I2C in that it needs to determine an
appropriate modalias value for each device node. This patch adapts
the of_i2c of_find_i2c_driver() function to be usable by of_spi also.
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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* git://git.kernel.org/pub/scm/linux/kernel/git/kkeil/ISDN-2.6:
Remove deprecated virt_to_bus()
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Please pull from git://git.kernel.org/pub/scm/linux/kernel/git/kkeil/ISDN-2.6.git master
This was a forgotten item in a printk from the old driver,
the DMA allocation use already the new interface.
Signed-off-by: Karsten Keil <kkeil@suse.de>
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* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (72 commits)
sh: SuperH Mobile CEU and camera platform data for AP325RXA
sh: Update smc911x platform data for AP325RXA
sh: SuperH Mobile LCDC platform data for AP325RXA
sh: Add SuperH Mobile CEU platform data for Migo-R
sh: Add SuperH Mobile LCDC platform data for Migo-R
sh: Move asid_cache() out of ifdef to fix SH-3/4 nommu build.
sh: Workaround for __put_user_asm() bug with gcc 4.x on big-endian.
sh: Wire up new syscalls.
sh: fix uImage Entry Point
sh_keysc: remove request_mem_region() and release_mem_region()
sh: Don't miss pending signals returning to user mode after signal processing
sh: Use clk_always_enable() on sh7366
sh: Use clk_always_enable() on sh7343 / SE77343
sh: Use clk_always_enable() on sh7722 / Migo-R / SE7722
sh: Use clk_always_enable() on sh7723 / ap325rxa
sh: Introduce clk_always_enable() function
sh: Show all clocks and their state in /proc/clocks
sh: Merge sh7343 and sh7722 clock code
sh: Add SuperH Mobile MSTPCR bits to clock framework
sh: Use arch_flags to simplify sh7722 siu clock code
...
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Add AP325RXA specific platform data for on-chip sh7723 CEU and ncm03j camera.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Pass board specific smc911x parameters using struct smc911x_platdata.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Add LCD panel platform data for the AP325RXA board.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Add Migo-R specific platform data for on-chip sh7722 CEU and ov772x camera.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Add WVGA and QVGA LCD panel support to Migo-R.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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