Commit Graph

44987 Commits

Author SHA1 Message Date
Bjorn Helgaas d558b483d5 x86/PCI: truncate _CRS windows with _LEN > _MAX - _MIN + 1
Yanko's GA-MA78GM-S2H (BIOS F11) reports the following resource in a PCI
host bridge _CRS:

    [07] 32-Bit DWORD Address Space Resource
         Min Relocatability : MinFixed
         Max Relocatability : MaxFixed
            Address Minimum : CFF00000  (_MIN)
            Address Maximum : FEBFFFFF  (_MAX)
             Address Length : 3EE10000  (_LEN)

This is invalid per spec (ACPI 4.0, 6.4.3.5) because it's a fixed size,
fixed location descriptor, but _LEN != _MAX - _MIN + 1.

Based on https://bugzilla.kernel.org/show_bug.cgi?id=15480#c15, I think
Windows handles this by truncating the window so it fits between _MIN and
_MAX.  I also verified this by modifying the SeaBIOS DSDT and booting
Windows 2008 R2 with qemu.

This patch makes Linux truncate the window, too, which fixes:
    http://bugzilla.kernel.org/show_bug.cgi?id=15480

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Tested-by: Yanko Kaneti <yaneti@declera.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2010-03-25 10:14:13 -07:00
Bjorn Helgaas eb9fc8ef7c x86/PCI: for host bridge address space collisions, show conflicting resource
With insert_resource_conflict(), we can learn what the actual conflict is,
so print that info for debugging purposes.

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2010-03-25 10:14:07 -07:00
Bjorn Helgaas 99f4692e13 frv/PCI: remove redundant warnings
pci_claim_resource() already prints more detailed error messages, so these
are really redundant.

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2010-03-25 08:51:40 -07:00
Bjorn Helgaas c9c9b56471 x86/PCI: remove redundant warnings
pci_claim_resource() already prints more detailed error messages, so these
are really redundant.

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2010-03-25 08:51:38 -07:00
Linus Torvalds 1ff31056fb Merge master.kernel.org:/home/rmk/linux-2.6-arm
* master.kernel.org:/home/rmk/linux-2.6-arm:
  [ARM] Orion5x: replace KEY_WLAN with KEY_WPS_BUTTON
  [ARM] Kirkwood: WPS button keycode mapping
  pxa168fb: fix incorrect resource calculation
  [ARM] pxa/raumfeld: fix button name
  [ARM] pxa/raumfeld: remove duplicated #include
  [ARM] locomo: fix unpaired spin_lock_irqsave
  [ARM] locomo: fix SPI register offset
  [ARM] pxa/sharpsl: add dependency of max1111 driver to sharpsl_pm
  [ARM] pxa: remove unnecessary 'select FB_W100' from some platforms
  [ARM] pxa: remove spi cs gpio direction to avoid clash with driver
  [ARM] mmp: fix for variables in uncompress.h being discarded
  [ARM] pxa: fix for variables in uncompress.h being discarded
  ARM: Update mach-types
  ARM: Fix IXP23xx build error in mach/memory.h
2010-03-24 16:51:14 -07:00
Linus Torvalds 541e40ee08 Merge branch 'sh/for-2.6.34' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6
* 'sh/for-2.6.34' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6:
  sh: Silence unintialized variable warnings in dwarf unwinder.
  sh: Tidy up a couple of section mismatches.
  sh: Fix build after dynamic PMB rework
  sh: Replace unsafe manipulation of MMUCR
  sh: Flush ITLB too in PTEAEX's flush_tlb_page()
  sh64: Remove long unused mid_sched macro
  SH: remove superfluous warning from the serial driver
  SH: fix SCIFA SCASCR register bit definitions
  serial: sh-sci: fix SH-Mobile SH breakage
  sh: Add watch-dog register address for SH7722/SH7723/SH7724
  sh: ms7724: Add tiny-document for sound
  sh: mach-ecovec24: Add i2c_put_adapter on sh_eth_init
2010-03-24 16:49:38 -07:00
Martin Schwidefsky 06c0dd72ae [S390] fix boot failures with compressed kernels
Fix two bugs with the kernel image compression:
1) reset the bss section of the compressed vmlinux
2) clear the high half of the registers for 64 bit early enough
   for the decompression step

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2010-03-24 11:49:54 +01:00
Christian Borntraeger 1bff779285 [S390] system.h: Fix compile error for 1 and 2 byte cmpxchg
commit 024914477e "memcg: move charges of anonymous
swap" revealed that the 1 byte and 2 byte cmpxchg is currently broken:

arch/s390/include/asm/system.h: Assembler messages:
arch/s390/include/asm/system.h:241: Error: junk at end of line: `(%r5)'
make[1]: *** [mm/page_cgroup.o] Error 1
make[1]: *** Waiting for unfinished jobs....

It turned out that commit 987bcdacb1 ([S390] use
inline assembly contraints available with gcc 3.3.3) broke the inline assembly.
The or operands are now in constraint 3 and 4 instead of 2 and 3.

Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2010-03-24 11:49:53 +01:00
Heiko Carstens a08786568a [S390] smp: fix lowcore allocation
The intermediate lowcore for CONFIG_SMP is allocated using a call to
__alloc_bootmem() with a goal of 0. That however doesn't guarantee that
the allocated piece of memory is below 2GB.
Instead we should call __alloc_bootmem_low().

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2010-03-24 11:49:53 +01:00
Michael Holzheu 92fe31329c [S390] zcore: CPU registers are not saved under LPAR
To save the registers for all CPUs a sigp "store status" is done that
stores the registers to address absolute zero. To access storage at
absolute zero, normally the address of the prefix register of the
accessing CPU has to be used. This does not work when large pages are
active (currently only under LPAR). In order to fix that problem,
instead of memcpy memcpy_real is used, which switches to real mode
where prefixing works.

Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2010-03-24 11:49:53 +01:00
Christian Lamparter bb45692891 [ARM] Orion5x: replace KEY_WLAN with KEY_WPS_BUTTON
"Input: add KEY_WPS_BUTTON definition" introduced
a generic keycode for WPS input events.

Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: Nicolas Pitre <nico@marvell.com>
2010-03-23 13:48:15 -04:00
Christian Lamparter 9705c3961e [ARM] Kirkwood: WPS button keycode mapping
Commit "Input: add KEY_WPS_BUTTON definition"
added a generic keycode for WPS button.
Let's use it, instead of "F1" mapping.

Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: Nicolas Pitre <nico@marvell.com>
2010-03-23 13:48:14 -04:00
Russell King 4f4669ee73 Merge branch 'fix' of git://git.kernel.org/pub/scm/linux/kernel/git/ycmiao/pxa-linux-2.6 2010-03-23 08:18:25 +00:00
Paul Mundt 4e1a259409 sh: Silence unintialized variable warnings in dwarf unwinder.
The parent rb_node needs to be initialized to shut up the compiler, even
though we're unlikely to ever hit this issue at run time.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-03-23 17:07:41 +09:00
Paul Mundt 90851c4076 sh: Tidy up a couple of section mismatches.
select_idle_routine() and register_sh_pmu() both needed their annotations
fixed up to silence section mismatch warnings.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-03-23 17:06:47 +09:00
Matt Fleming 3fe0f36c7e sh: Fix build after dynamic PMB rework
set_pmb_entry() is now only used by a function that is wrapped in #ifdef
CONFIG_PM, so wrap set_pmb_entry() in CONFIG_PM too.

Signed-off-by: Matt Fleming <matt@console-pimps.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-03-23 13:37:03 +09:00
Matt Fleming b5b6c7eea1 sh: Replace unsafe manipulation of MMUCR
Setting the TI in MMUCR causes all the TLB bits in MMUCR to be
cleared. Unfortunately, the TLB wired bits are also cleared when setting
the TI bit, causing any wired TLB entries to become unwired.

Use local_flush_tlb_all() which implements TLB flushing in a safer
manner by using the memory-mapped TLB registers. As each CPU has its own
PMB the modifications in pmb_init() only affect the local CPU, so only
flush the local CPU's TLB.

Signed-off-by: Matt Fleming <matt@console-pimps.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-03-23 13:36:21 +09:00
Matt Fleming a9eb4f6d1a sh: Flush ITLB too in PTEAEX's flush_tlb_page()
flush_tlb_page() can be used to flush TLB entries that map executable
pages. Therefore, we need to ensure that the ITLB is also flushed in
local_flush_tlb_page().

Signed-off-by: Matt Fleming <matt@console-pimps.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-03-23 13:36:15 +09:00
Andreas Bombe 685abecfc2 sh64: Remove long unused mid_sched macro
interruptible_sleep_on() is referenced for use in the mid_sched macro
which is not used anywhere.  Remove reference and macro as well as the
comment which appears to belong with them.

Signed-off-by: Andreas Bombe <aeb@debian.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-03-23 13:35:39 +09:00
Kuninori Morimoto 67eaa3e4fb sh: Add watch-dog register address for SH7722/SH7723/SH7724
Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-03-23 13:19:36 +09:00
Kuninori Morimoto bec9fb072f sh: ms7724: Add tiny-document for sound
Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-03-23 13:19:34 +09:00
Kuninori Morimoto b230eb32c8 sh: mach-ecovec24: Add i2c_put_adapter on sh_eth_init
i2c_put_adapter is needed after i2c_get_adapter

Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-03-23 13:19:31 +09:00
Rafael J. Wysocki a90110c610 x86 / perf: Fix suspend to RAM on HP nx6325
Commit 3f6da39053
(perf: Rework and fix the arch CPU-hotplug hooks) broke suspend to
RAM on my HP nx6325 (and most likely on other AMD-based boxes too)
by allowing amd_pmu_cpu_offline() to be executed for CPUs that are
going offline as part of the suspend process.  The problem is that
cpuhw->amd_nb may be NULL already, so the function should make sure
it's not NULL before accessing the object pointed to by it.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-03-22 09:57:19 -07:00
Daniel Mack fe3ebaad32 [ARM] pxa/raumfeld: fix button name
This fixes a warning when booting 2.6.34-rc2:

[   26.619814] ------------[ cut here ]------------
[   26.624604] WARNING: at fs/proc/generic.c:316 __xlate_proc_name+0xac/0xc0()
[   26.631555] name 'on/off button'
[   26.634753] Modules linked in:

Signed-off-by: Daniel Mack <daniel@caiaq.de>
Cc: Sven Neumann <s.neumann@raumfeld.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
2010-03-22 12:03:11 +08:00
Huang Weiyi af089f517a [ARM] pxa/raumfeld: remove duplicated #include
Remove duplicated #include('s) in
 arch/arm/mach-pxa/raumfeld.c

Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
2010-03-22 12:03:10 +08:00