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2010-02-09of: make set_node_proc_entry private to proc_devtree.cJeremy Kerr
We only need set_node_proc_entry in proc_devtree.c, so move it there. This fixes the !HAVE_ARCH_DEVTREE_FIXUPS build, as we can't make make the definition in linux/of.h conditional on this #define (definitions in asm/prom.h can't be exposed to linux/of.h, due to the enforced #include ordering). Signed-off-by: Jeremy Kerr <jeremy.kerr@canonical.com> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2010-02-09of: include linux/proc_fs.hJeremy Kerr
We use a few procfs-specific functions (eg, proc_device_tree_*) which aren't covered by the current includes. This causes the following build error on arm: drivers/of/base.c: In function 'prom_add_property': drivers/of/base.c:861: error: implicit declaration of function 'proc_device_tree_add_prop' drivers/of/base.c: In function 'prom_remove_property': drivers/of/base.c:902: error: implicit declaration of function 'proc_device_tree_remove_prop' drivers/of/base.c: In function 'prom_update_property': drivers/of/base.c:946: error: implicit declaration of function 'proc_device_tree_update_prop' Add proc_fs.h for these prototypes. Signed-off-by: Jeremy Kerr <jeremy.kerr@canonical.com> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2010-02-09of/flattree: merge early_init_dt_scan_memory() common codeGrant Likely
Merge common code between PowerPC and Microblaze architectures. Signed-off-by: Grant Likely <grant.likely@secretlab.ca> Acked-by: Michal Simek <monstr@monstr.eu>
2010-02-09of: add 'of_' prefix to machine_is_compatible()Grant Likely
machine is compatible is an OF-specific call. It should have the of_ prefix to protect the global namespace. Signed-off-by: Grant Likely <grant.likely@secretlab.ca> Acked-by: Michal Simek <monstr@monstr.eu>
2010-02-09of: merge of_find_node_by_phandleJeremy Kerr
Merge common function between powerpc, sparc and microblaze. Code is identical for powerpc and microblaze, but adds a lock (and release) of the devtree_lock on sparc. Signed-off-by: Jeremy Kerr <jeremy.kerr@canonical.com> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2010-02-09of: merge of_attach_node() & of_detach_node()Grant Likely
Merge common code between PowerPC and Microblaze Signed-off-by: Grant Likely <grant.likely@secretlab.ca> Tested-by: Wolfram Sang <w.sang@pengutronix.de> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2010-02-09microblaze: remove early_init_dt_scan_cpus() and phyp_dump_*()Grant Likely
Microblaze only has one CPU, it isn't SMP at all. early_init_dt_scan_cpus() is effectively just a no-op, so remove it. Microblaze doesn't support hypervisor assisted dump either, so the phyp stuff can also go. Signed-off-by: Grant Likely <grant.likely@secretlab.ca> Acked-by: Michal Simek <monstr@monstr.eu>
2010-02-09kthread, sched: Remove reference to kthread_create_on_cpuAnton Blanchard
kthread_create_on_cpu doesn't exist so update a comment in kthread.c to reflect this. Signed-off-by: Anton Blanchard <anton@samba.org> Acked-by: Rusty Russell <rusty@rustcorp.com.au> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> LKML-Reference: <20100209040740.GB3702@kryten> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2010-02-09HID: fix typo in error messageBastien Nocera
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2010-02-09HID: add mapping for "AL Network Chat" usageLeo P White
Adding a mapping for the 'AL Network Chat' usage from the 'Consumer' usage page (USB HID Usage Tables v1.11). This usage is used by some keyboards for a multimedia key. Signed-off-by: Leo P White <lpw25@cam.ac.uk> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2010-02-09perf: Fix hypervisor sample reportingAnton Blanchard
cpumode bits are defined as such: #define PERF_RECORD_MISC_KERNEL (1 << 0) #define PERF_RECORD_MISC_USER (2 << 0) #define PERF_RECORD_MISC_HYPERVISOR (3 << 0) We need to compare against the complete value of cpumode, otherwise hypervisor samples get incorrectly attributed as userspace. Signed-off-by: Anton Blanchard <anton@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Paul Mackerras <paulus@samba.org> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: fweisbec@gmail.com LKML-Reference: <20100209034304.GA3702@kryten> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2010-02-09sh: break out enable/reparent div4 clocks on sh7723Magnus Damm
Break out sh7723 div4 clocks for SIU and IRDA as reparent / enable clocks. Similar to the SIU clock patch for sh7722 by Guennadi. Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-09sh: fix INTC to use set_irq_chained_handler() for redirectsMagnus Damm
This patch updates the shared INTC code to use set_irq_chained_handler() for intc_redirect_irq(). With this in place request_irq() on a merged irq which has been redirected will now return -EINVAL instead of 0 together with a crash. This thanks to the protection of the IRQ_NOREQUEST flag set for chained interrupt handlers. Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-09sh: sh7724/Ecovec24/KFR2R09/MS7724SE SDHI vector mergeMagnus Damm
Merge the SDHI vectors in the sh7724 INTC table and update the SDHI platform data for Ecovec24, KFR2R09 and MS7724SE. Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-09sh: sh7723/AP325 SDHI vector mergeMagnus Damm
Merge the SDHI vectors in the sh7723 INTC table and update the SDHI platform data for AP325. Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-09sh: sh7722/Migo-R SDHI vector mergeMagnus Damm
Merge the SDHI vectors in the sh7722 INTC table and update the SDHI platform data for Migo-R. Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-09Merge branch 'sh/intc-extension'Paul Mundt
2010-02-09sh: extend INTC with force_enableMagnus Damm
Extend the shared INTC code with force_enable support to allow keeping mask bits statically enabled. Needed by upcoming INTC SDHI patches that mux together a bunch of vectors to a single linux interrupt which is masked by a priority register, but needs individual mask bits constantly enabled. Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-09sh: extend INTC with struct intc_hw_descMagnus Damm
This patch updates the INTC code by moving all vectors, groups and registers from struct intc_desc to struct intc_hw_desc. The idea is that INTC tables should go from using the macro(s) DECLARE_INTC_DESC..() only to using struct intc_desc with name and hw initialized using the macro INTC_HW_DESC(). This move makes it easy to initialize an extended struct intc_desc in the future. Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-09[S390] Fix struct _lowcore layout.Heiko Carstens
Offsets and sizes are wrong for 32 bit. Got broken with 866ba284 "[S390] cleanup lowcore.h". Reported-by: Mahesh Salgaonkar <mahesh@linux.vnet.ibm.com> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2010-02-09[S390] qdio: prevent call trace if CHPID is offlineJan Glauber
If a CHPID is offline during a device shutdown the ccw_device_halt|clear may fail and the qdio device stays in state STOPPED until the shutdown is finished. If an interrupt occurs before the device is set to INACTIVE the STOPPED state triggers a WARN_ON in the interrupt handler. Prevent this WARN_ON by catching the STOPPED state in the interrupt handler. Signed-off-by: Jan Glauber <jang@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2010-02-09[S390] qdio: continue polling for buffer state ERRORUrsula Braun
Inbound traffic handling may hang if next buffer to check is in state ERROR, polling is stopped and the final check for further available inbound buffers disregards buffers in state ERROR. This patch includes state ERROR when checking availability of more inbound buffers. Cc: Jan Glauber <jang@linux.vnet.ibm.com> Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2010-02-08Merge branch 'master' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/holtmann/bluetooth-2.6
2010-02-08drivers/net: Correct NULL testJulia Lawall
Test the value that was just allocated rather than the previously tested one. A simplified version of the semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> @r@ expression *x; expression e; identifier l; @@ if (x == NULL || ...) { ... when forall return ...; } ... when != goto l; when != x = e when != &x *x == NULL // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-08MAINTAINERS: networking drivers - Add git net-next treeJoe Perches
During the rc period, patches that are not bugfixes should be done using the net-next tree. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-08net/sched: Fix module name in KconfigJan Luebbe
The action modules have been prefixed with 'act_', but the Kconfig description was not changed. Signed-off-by: Jan Luebbe <jluebbe@debian.org> Acked-by: Jamal Hadi Salim <hadi@cyberus.ca> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-08cxgb3: fix GRO checksum checkDivy Le Ray
Verify the HW checksum state for frames handed to GRO processing. Signed-off-by: Divy Le Ray <divy@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-09md: fix 'degraded' calculation when starting a reshape.NeilBrown
This code was written long ago when it was not possible to reshape a degraded array. Now it is so the current level of degraded-ness needs to be taken in to account. Also newly addded devices should only reduce degradedness if they are deemed to be in-sync. In particular, if you convert a RAID5 to a RAID6, and increase the number of devices at the same time, then the 5->6 conversion will make the array degraded so the current code will produce a wrong value for 'degraded' - "-1" to be precise. If the reshape runs to completion end_reshape will calculate a correct new value for 'degraded', but if a device fails during the reshape an incorrect decision might be made based on the incorrect value of "degraded". This patch is suitable for 2.6.32-stable and if they are still open, 2.6.31-stable and 2.6.30-stable as well. Cc: stable@kernel.org Reported-by: Michael Evans <mjevans1983@gmail.com> Signed-off-by: NeilBrown <neilb@suse.de>
2010-02-09powerpc: Only print clockevent settings onceAnton Blanchard
The clockevent multiplier and shift is useful information, but we only need to print it once. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2010-02-09powerpc: Clear MSR_RI during RTAS callsAnton Blanchard
RTAS should never cause an exception but if it does (for example accessing outside our RMO) then we might go a long way through the kernel before oopsing. If we unset MSR_RI we should at least stop things on exception exit. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2010-02-09powerpc: Remove trailing space in messagesFrans Pop
Signed-off-by: Frans Pop <elendil@planet.nl> Cc: linuxppc-dev@ozlabs.org Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2010-02-09powerpc: Make powerpc_firmware_features __read_mostlyAnton Blanchard
We use firmware_has_feature quite a lot these days, so it's worth putting powerpc_firmware_features into __read_mostly. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2010-02-09powerpc: Reformat SD_NODE_INIT to match x86Anton Blanchard
Clean up SD_NODE_INITS so we can easily compare it to x86. Similar to the work in 47734f89be0614b5acbd6a532390f9c72f019648 (sched: Clean up topology.h) Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2010-02-09powerpc: Convert mmu context allocator from idr to idaAnton Blanchard
We can use the much more lightweight ida allocator since we don't need the pointer storage idr provides. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2010-02-09powerpc: Add last sysfs file and dump of ftrace buffer to oops printoutAnton Blanchard
Add printout of last accessed sysfs file, added to x86 in ae87221d3ce49d9de1e43756da834fd0bf05a2ad (sysfs: crash debugging) Also add the notify_die hook that allows us to print out the ftrace buffer on oops. This is useful in conjunction with ftrace function_graph: Oops: Kernel access of bad area, sig: 11 [#1] SMP NR_CPUS=128 NUMA pSeries last sysfs file: /sys/class/net/tunl0/type Dumping ftrace buffer: ... 0) | .sysrq_handle_crash() { 0) 0.476 us | .hash_page(); 0) 0.488 us | .xmon_fault_handler(); 0) | .bad_page_fault() { 0) | .search_exception_tables() { 0) 0.590 us | .search_module_extables(); 0) 2.546 us | } 0) | .printk() { 0) | .vprintk() { 0) 0.488 us | ._raw_spin_lock(); 0) 0.572 us | .emit_log_char(); Showing the function graph of a sysrq-c crash. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2010-02-09powerpc: Reduce differences between pseries and ppc64 defconfigsAnton Blanchard
The pseries and ppc64 defconfigs have drifted apart over the years. Reduce some of the differences while still keeping the idea that the ppc64 defconfig is cross platform but enables fewer features than pseries, eg NR_CPUS is lower. Also enable a number of common adapters as modules. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2010-02-09powerpc/pseries: Quieten cede latency printkAnton Blanchard
The cede latency stuff is relatively new and we don't need to complain about it not working on older firmware. Signed-off-by: Anton Blanchard <anton@samba.org> Acked-by: Balbir Singh <balbir@linux.vnet.ibm.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2010-02-09arch/powerpc: Fix continuation line formatsJoe Perches
String constants that are continued on subsequent lines with \ are not good. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2010-02-09powerpc/pseries: Hypervisor call tracepoints hcall_stats touchupWill Schmidt
The tb_total and purr_total values reported via the hcall_stats code should be cumulative, rather than being replaced by the latest delta tb or purr value. Tested-by: Will Schmidt <will_schmidt@vnet.ibm.com> Signed-off-by: Will Schmidt <will_schmidt@vnet.ibm.com> Acked-by: Anton Blanchard <anton@samba.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2010-02-09drm/nouveau: make dp auxch xfer len check for reads onlyBen Skeggs
Writes don't return a count, and adding the check broke native DP. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2010-02-09drm/nv40: make INIT_COMPUTE_MEM a NOP, just like nv50Ben Skeggs
It appears we aren't required to do memory sizing ourselves on nv40 either. NV40 init tables read a strap from PEXTDEV_BOOT_0 into a CRTC register, and then later use that value to select a memory configuration (written to PFB_CFG0, just like INIT_COMPUTE_MEM on earlier cards) with INIT_IO_RESTRICT_PROG. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2010-02-09drm/nouveau: Add proper vgaarb support.Marcin Kościelnicki
Signed-off-by: Marcin Kościelnicki <koriakin@0x04.net> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2010-02-09drm/nouveau: Fix fbcon on mixed pre-NV50 + NV50 multicard.Marcin Kościelnicki
We used single shared fbops struct and patched it at fb init time with pointers to the right variant. On mixed multicard, this meant that it was either sending NV50-style commands to all cards, or NV04-style commands to all cards. Signed-off-by: Marcin Kościelnicki <koriakin@0x04.net> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2010-02-09drivers/gpu/drm/nouveau/nouveau_grctx.c: correct NULL testJulia Lawall
Test the just-allocated value for NULL rather than some other value. The semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ expression x,y; statement S; @@ x = \(kmalloc\|kcalloc\|kzalloc\)(...); ( if ((x) == NULL) S | if ( - y + x == NULL) S ) // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Cc: David Airlie <airlied@linux.ie> Cc: Ben Skeggs <bskeggs@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2010-02-09drm/nouveau: call ttm_bo_wait with the bo lock held to prevent hangLuca Barbieri
nouveau_gem_ioctl_cpu_prep calls ttm_bo_wait without the bo lock held. ttm_bo_wait unlocks that lock, and so must be called with it held. Currently this bug causes libdrm nouveau_bo_busy() to hang the machine. Signed-off-by: Luca Barbieri <luca at luca-barbieri.com> Acked-by: Maarten Maathuis <madman2003@gmail.com> Signed-off-by: Francisco Jerez <currojerez@riseup.net> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2010-02-09drm/nouveau: Fixup semaphores on pre-nv50 cards.Francisco Jerez
Apparently, they generate a PFIFO interrupt each time one of the semaphore methods is executed if its ctxdma wasn't manually marked as valid. This patch makes it flip the valid bit in response to the DMA_SEMAPHORE method (which triggers the IRQ even for a valid ctxdma). Signed-off-by: Francisco Jerez <currojerez@riseup.net> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2010-02-09drm/nouveau: Add getparam to get available PGRAPH units.Marcin Kościelnicki
On nv50, this will be needed by applications using CUDA to know how much stack/local memory to allocate. Signed-off-by: Marcin Kościelnicki <koriakin@0x04.net> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2010-02-09drm/nouveau: Add module options to disable acceleration.Marcin Kościelnicki
noaccel=1 disables all acceleration and doesn't even attempt initialising PGRAPH+PFIFO, nofbaccel=1 only makes fbcon unaccelerated. Signed-off-by: Marcin Kościelnicki <koriakin@0x04.net> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2010-02-09drm/nouveau: fix non-vram notifier blocksBen Skeggs
Due to a thinko, these were previously forced to VRAM even if we allocated them in GART. This commit fixes that bug, but keeps the previous behaviour of using VRAM by default until it's been tested properly across more chipsets. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2010-02-08Merge branch 'for-2.6.33' of git://linux-nfs.org/~bfields/linuxLinus Torvalds
* 'for-2.6.33' of git://linux-nfs.org/~bfields/linux: Revert "nfsd4: fix error return when pseudoroot missing"
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