- 03 Jan, 2011 2 commits
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Rob Herring authored
Fixes for sdhci-of and ipmi drivers. Auditing all drivers using of_get_property did not find other occurrences likely to be used on LE platforms. Signed-off-by: Rob Herring <rob.herring@calxeda.com> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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Rob Herring authored
Some OF drivers could likely be used on non-powerpc OF based platforms, so fix the kconfig depends to be CONFIG_OF instead of CONFIG_PPC_OF. Compile tested on ARM and sparc. Signed-off-by: Rob Herring <rob.herring@calxeda.com> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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- 01 Jan, 2011 1 commit
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Grant Likely authored
This patch adds of_flat_dt_match() which tests a node for compatibility with a list of values and converts the relevant powerpc platform code to use it. This approach simplifies the board support code a bit. Signed-off-by: Grant Likely <grant.likely@secretlab.ca> Reviewed-by: Stephen Neuendorffer <stephen.neuendorffer@xilinx.com>
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- 30 Dec, 2010 3 commits
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Rob Herring authored
On PPC, of_irq.h gets implicitly included, but on other platforms it does not. Signed-off-by: Rob Herring <rob.herring@calxeda.com> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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Stephen Neuendorffer authored
unflatten_device_tree has two dependencies on things that happen during boot time. Firstly, it references the initial device tree directly. Secondly, it allocates memory using the early boot allocator. This patch factors out these dependencies and uses the new __unflatten_device_tree function to implement a driver-visible fdt_unflatten_tree function, which can be used to unflatten a blob after boot time. V2: - remove extra __va() call - make dt_alloc functions return void *. This doesn't fix the general strangeness in this code that constantly casts back and forth between unsigned long and __be32 * Signed-off-by: Stephen Neuendorffer <stephen.neuendorffer@xilinx.com> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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Stephen Neuendorffer authored
Move unflatten_dt_node to be grouped with non-__init functions. Signed-off-by: Stephen Neuendorffer <stephen.neuendorffer@xilinx.com> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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- 29 Dec, 2010 3 commits
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Stephen Neuendorffer authored
unflatten_dt_node is a helper function that does most of the work to convert a device tree blob into tree of device nodes. This code now uses a passed-in blob instead of using the single boot-time blob, allowing it to be called in more contexts. Signed-off-by: Stephen Neuendorffer <stephen.neuendorffer@xilinx.com> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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Stephen Neuendorffer authored
In preparation for providing run-time handling of device trees, factor out some of the basic functions so that they take an arbitrary blob, rather than relying on the single boot-time tree. V2: - functions have of_fdt_* names - removed find_flat_dt_string - blob argument is first Signed-off-by: Stephen Neuendorffer <stephen.neuendorffer@xilinx.com> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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Stephen Neuendorffer authored
The device tree code is now in two pieces: some which can be used generically on any platform which selects CONFIG_OF_FLATTREE, and some early which is used at boot time on only a few architectures. This patch segregates the early code so that only those architectures which care about it need compile it. This also means that some of the requirements in the early code (such as a cmd_line variable) that most architectures (e.g. X86) don't provide can be ignored. Signed-off-by: Stephen Neuendorffer <stephen.neuendorffer@xilinx.com> [grant.likely@secretlab.ca: remove extra blank line addition] [grant.likely@secretlab.ca: fixed incorrect #ifdef CONFIG_EARLY_FLATTREE check] [grant.likely@secretlab.ca: Made OF_EARLY_FLATTREE select instead of depend on OF_FLATTREE] Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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- 24 Dec, 2010 4 commits
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Wolfram Sang authored
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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Wolfram Sang authored
Side-effects happen when passing 0 to either io_limit or page_size. Give an error in case of this misconfiguration. Signed-off-by: Wolfram Sang <w.sang@pengutronix.de> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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Wolfram Sang authored
Information about the pagesize and read-only-status may also come from the devicetree. Parse this data, too, and act accordingly. While we are here, change the initialization printout a bit. write_max is useful to know to detect performance bottlenecks, the rest is superfluous. Signed-off-by: Wolfram Sang <w.sang@pengutronix.de> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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David Daney authored
In of_mdiobus_register(), the __be32 *addr variable is dereferenced. This will not work on little-endian targets. Also since it is unsigned, checking for less than zero is redundant. Fix these two issues. Signed-off-by: David Daney <ddaney@caviumnetworks.com> [grant.likely@secretlab.ca: removed goto] Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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- 23 Dec, 2010 5 commits
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Sebastian Andrzej Siewior authored
This patch changes u32 to __be32 for all "ranges", "prop" and "addr" and such. Those variables are pointing to the device tree which contains integers in big endian format. Most functions are doing it right because of_read_number() is doing the right thing for them. of_bus_isa_get_flags(), of_bus_pci_get_flags() and of_bus_isa_map() were accessing the data directly and were doing it wrong. Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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Dirk Brandewie authored
Modify arch/powerpc/boot/Makefile to use dtc command in scripts/Makefile.lib Signed-off-by: Dirk Brandewie <dirk.brandewie@gmail.com> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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Dirk Brandewie authored
Modify arch/powerpc/boot/Makefile to use dtc command in scripts/Makefile.lib Signed-off-by: Dirk Brandewie <dirk.brandewie@gmail.com> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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Dirk Brandewie authored
This patch adds support for linking device tree blob(s) into vmlinux. Modifies asm-generic/vmlinux.lds.h to add linking .dtb sections into vmlinux. To maintain compatiblity with the of/fdt driver code platforms MUST copy the blob to a non-init memory location before the kernel frees the .init.* sections in the image. Modifies scripts/Makefile.lib to add a kbuild command to compile DTS files to device tree blobs and a rule to create objects to wrap the blobs for linking. STRUCT_ALIGNMENT is defined in vmlinux.lds.h for use in the rule to create wrapper objects for the dtb in Makefile.lib. The STRUCT_ALIGN() macro in vmlinux.lds.h is modified to use the STRUCT_ALIGNMENT definition. The DTB's are placed on 32 byte boundries to allow parsing the blob with driver/of/fdt.c during early boot without having to copy the blob to get the structure alignment GCC expects. A DTB is linked in by adding the DTB object to the list of objects to be linked into vmlinux in the archtecture specific Makefile using obj-y += foo.dtb.o Signed-off-by: Dirk Brandewie <dirk.brandewie@gmail.com> Acked-by: Michal Marek <mmarek@suse.cz> [grant.likely@secretlab.ca: cleaned up whitespace inconsistencies] Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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Grant Likely authored
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- 21 Dec, 2010 5 commits
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Linus Torvalds authored
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6Linus Torvalds authored
* 'tty-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6: n_gsm: gsm_data_alloc buffer allocation could fail and it is not being checked n_gsm: Fix message length handling when building header
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6Linus Torvalds authored
* 'usb-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: Revert "USB: gadget: Allow function access to device ID data during bind()" USB: misc: uss720.c: add another vendor/product ID USB: usb-storage: unusual_devs entry for the Samsung YP-CP3 USB: gadget: Remove suspended sysfs file before freeing cdev USB: core: Add input prompt and help text for USB_OTG config USB: ftdi_sio: Add D.O.Tec PID xhci: Fix issue with port array setup and buggy hosts.
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git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-clientLinus Torvalds authored
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client: ceph: handle partial result from get_user_pages ceph: mark user pages dirty on direct-io reads ceph: fix null pointer dereference in ceph_init_dentry for nfs reexport ceph: fix direct-io on non-page-aligned buffers ceph: fix msgr_init error path
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Linus Torvalds authored
.. caused by a missing semi-colon, introduced in commit 0fc13c89 ("cciss: fix cciss_revalidate panic"). Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Reported-by: Thiago Farina <tfransosi@gmail.com> Cc: Jens Axboe <jaxboe@fusionio.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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- 20 Dec, 2010 9 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6Linus Torvalds authored
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: [media] gspca - sonixj: Better handling of the bridge registers 0x01 and 0x17 [media] gspca - sonixj: Add the bit definitions of the bridge reg 0x01 and 0x17 [media] gspca - sonixj: Set the flag for some devices [media] gspca - sonixj: Add a flag in the driver_info table [media] gspca - sonixj: Fix a bad probe exchange [media] gspca - sonixj: Move bridge init to sd start [media] bttv: remove unneeded locking comments [media] bttv: fix mutex use before init (BZ#24602) [media] Don't export format_by_forcc on two different drivers
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Linus Torvalds authored
Merge branch 'rmobile-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6 * 'rmobile-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: ARM: mach-shmobile: INTC interrupt priority level demux fix ARM: mach-shmobile: fix compile warning in mm/init.c
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git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6Linus Torvalds authored
* 'sh-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: clocksource: sh_cmt: Remove nested spinlock fix
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Linus Torvalds authored
Merge branch 'fbdev-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/fbdev-2.6 * 'fbdev-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/fbdev-2.6: OMAP: OMAPFB: disable old omapfb for OMAP4 builds OMAP: DSS: VRAM: Align start & size of vram to 2M
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Linus Torvalds authored
Merge branch 's5p-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung * 's5p-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung: ARM: S5PV210: update MAX8998 platform data to get rid of WARN() ARM S3C24XX: Fix compilation of PM code for S3C2416 ARM: S3C24XX: Fix CONFIG_S3C_DEV_NAND Kconfig entry
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git://git.kernel.dk/linux-2.6-blockLinus Torvalds authored
* 'for-linus' of git://git.kernel.dk/linux-2.6-block: cciss: fix cciss_revalidate panic block: max hardware sectors limit wrapper block: Deprecate QUEUE_FLAG_CLUSTER and use queue_limits instead blk-throttle: Correct the placement of smp_rmb() blk-throttle: Trim/adjust slice_end once a bio has been dispatched block: check for proper length of iov entries earlier in blk_rq_map_user_iov() drbd: fix for spin_lock_irqsave in endio callback drbd: don't recvmsg with zero length
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Al Viro authored
Buggered-in: 76dda93c ("Btrfs: add snapshot/subvolume destroy ioctl") Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Acked-by: Chris Mason <chris.mason@oracle.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Nicolas Pitre authored
The cnt32_to_63 algorithm relies on proper counter data evaluation ordering to work properly. This was missing from the provided documentation. Let's augment the documentation with the missing usage constraint and fix the only instance that got it wrong. Signed-off-by: Nicolas Pitre <nico@fluxnic.net> Acked-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Linus Torvalds authored
Merge branch 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: sched: Remove debugging check
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- 19 Dec, 2010 3 commits
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Ingo Molnar authored
Linus reported that the new warning introduced by commit f26f9aff "Sched: fix skip_clock_update optimization" triggers. The need_resched flag can be set by other CPUs asynchronously so this debug check is bogus - remove it. Reported-by: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Mike Galbraith <efault@gmx.de> LKML-Reference: <AANLkTinJ8hAG1TpyC+CSYPR47p48+1=E7fiC45hMXT_1@mail.gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Linus Torvalds authored
Merge branches 'x86-fixes-for-linus' and 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86-32: Make sure we can map all of lowmem if we need to x86, vt-d: Handle previous faults after enabling fault handling x86: Enable the intr-remap fault handling after local APIC setup x86, vt-d: Fix the vt-d fault handling irq migration in the x2apic mode x86, vt-d: Quirk for masking vtd spec errors to platform error handling logic x86, xsave: Use alloc_bootmem_align() instead of alloc_bootmem() bootmem: Add alloc_bootmem_align() x86, gcc-4.6: Use gcc -m options when building vdso x86: HPET: Chose a paranoid safe value for the ETIME check x86: io_apic: Avoid unused variable warning when CONFIG_GENERIC_PENDING_IRQ=n * 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: perf: Fix off by one in perf_swevent_init() perf: Fix duplicate events with multiple-pmu vs software events ftrace: Have recordmcount honor endianness in fn_ELF_R_INFO scripts/tags.sh: Add magic for trace-events tracing: Fix panic when lseek() called on "trace" opened for writing
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Linus Torvalds authored
Merge branch 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: sched: Fix the irqtime code for 32bit sched: Fix the irqtime code to deal with u64 wraps nohz: Fix get_next_timer_interrupt() vs cpu hotplug Sched: fix skip_clock_update optimization sched: Cure more NO_HZ load average woes
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- 18 Dec, 2010 3 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tileLinus Torvalds authored
* git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile: arch/tile: handle rt_sigreturn() more cleanly arch/tile: handle CLONE_SETTLS in copy_thread(), not user space
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git://git.linux-mips.org/pub/scm/upstream-linusLinus Torvalds authored
* 'upstream' of git://git.linux-mips.org/pub/scm/upstream-linus: MIPS: Fix build errors in sc-mips.c
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git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6Linus Torvalds authored
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6: x86: avoid high BIOS area when allocating address space x86: avoid E820 regions when allocating address space x86: avoid low BIOS area when allocating address space resources: add arch hook for preventing allocation in reserved areas Revert "resources: support allocating space within a region from the top down" Revert "PCI: allocate bus resources from the top down" Revert "x86/PCI: allocate space from the end of a region, not the beginning" Revert "x86: allocate space within a region top-down" Revert "PCI: fix pci_bus_alloc_resource() hang, prefer positive decode" PCI: Update MCP55 quirk to not affect non HyperTransport variants
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- 17 Dec, 2010 2 commits
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Chris Metcalf authored
The current tile rt_sigreturn() syscall pattern uses the common idiom of loading up pt_regs with all the saved registers from the time of the signal, then anticipating the fact that we will clobber the ABI "return value" register (r0) as we return from the syscall by setting the rt_sigreturn return value to whatever random value was in the pt_regs for r0. However, this breaks in our 64-bit kernel when running "compat" tasks, since we always sign-extend the "return value" register to properly handle returned pointers that are in the upper 2GB of the 32-bit compat address space. Doing this to the sigreturn path then causes occasional random corruption of the 64-bit r0 register. Instead, we stop doing the crazy "load the return-value register" hack in sigreturn. We already have some sigreturn-specific assembly code that we use to pass the pt_regs pointer to C code. We extend that code to also set the link register to point to a spot a few instructions after the usual syscall return address so we don't clobber the saved r0. Now it no longer matters what the rt_sigreturn syscall returns, and the pt_regs structure can be cleanly and completely reloaded. Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
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Chris Metcalf authored
Previously we were just setting up the "tp" register in the new task as started by clone() in libc. However, this is not quite right, since in principle a signal might be delivered to the new task before it had its TLS set up. (Of course, this race window still exists for resetting the libc getpid() cached value in the new task, in principle. But in any case, we are now doing this exactly the way all other architectures do it.) This change is important for 2.6.37 since the tile glibc we will be submitting upstream will not set TLS in user space any more, so it will only work on a kernel that has this fix. It should also be taken for 2.6.36.x in the stable tree if possible. Signed-off-by: Chris Metcalf <cmetcalf@tilera.com> Cc: stable <stable@kernel.org>
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