Commit Graph

336138 Commits

Author SHA1 Message Date
Linus Torvalds 5a903166dd ARM: SoC fixes for 3.7
A few more fixes for final 3.7. Two dealing with pinmux setup on OMAP, and
 one dealing with TV output on DaVinci. And one small MAINTAINER update.
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Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC fixes from Olof Johansson:
 "A few more fixes for final 3.7.  Two dealing with pinmux setup on
  OMAP, and one dealing with TV output on DaVinci.  And one small
  MAINTAINER update."

* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: davinci: dm644x: fix out range signal for ED
  ARM: OMAP4: TWL: mux sys_drm_msecure as output for PMIC
  ARM: OMAP3: igep0020: Set WIFI/BT GPIO pins in correct mux mode
  ARM: OMAP: Add maintainer entry for IGEP machines
2012-11-22 09:22:13 -10:00
Linus Torvalds b80d60e1c3 PARISC fixes on 20121122
This is two bug fixes: one fixes a loophole where rt_sigprocmask() with the
 wrong values panics the box (Denial of Service) and the other fixes an
 aliasing problem with get_shared_area() which could cause data corruption.
 
 Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Merge tag 'parisc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/parisc-2.6

Pull PARISC fixes from James Bottomley:
 "This is two bug fixes: one fixes a loophole where rt_sigprocmask()
  with the wrong values panics the box (Denial of Service) and the other
  fixes an aliasing problem with get_shared_area() which could cause
  data corruption.

  Signed-off-by: James Bottomley <JBottomley@Parallels.com>"

* tag 'parisc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/parisc-2.6:
  [PARISC] fix user-triggerable panic on parisc
  [PARISC] fix virtual aliasing issue in get_shared_area()
2012-11-22 09:16:29 -10:00
Linus Torvalds a2d2eda7bf SCSI fixes on 20121122
This is a set of four bug fixes.  The isci one is an obvious thinko (using
 request buffer instead of response buffer) which causes a command to fail.
 The three others are DIF/DIX updates which are required because they're part
 of a series of ten patches, the other seven of which went into the block layer
 during the merge window meaning our current DIF/DIX implementation is broken
 without these three.
 
 Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI fixes from James Bottomley:
 "This is a set of four bug fixes.

  The isci one is an obvious thinko (using request buffer instead of
  response buffer) which causes a command to fail.

  The three others are DIF/DIX updates which are required because
  they're part of a series of ten patches, the other seven of which went
  into the block layer during the merge window meaning our current
  DIF/DIX implementation is broken without these three.

  Signed-off-by: James Bottomley <JBottomley@Parallels.com>"

* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  [SCSI] sd: Implement support for WRITE SAME
  [SCSI] sd: Permit merged discard requests
  [SCSI] Add a report opcode helper
  [SCSI] isci: copy fis 0x34 response into proper buffer
2012-11-22 09:14:54 -10:00
Linus Torvalds 0e0f092ef0 Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie.

Small fixes for (mostly Nouveau, some radeon) regressions.

* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
  drm/nouveau: use the correct fence implementation for nv50
  drm/radeon: add new SI pci id
  radeon: add AGPMode 1 quirk for RV250
  drm/radeon: properly track the crtc not_enabled case evergreen_mc_stop()
  drm/nouveau/bios: fix DCB v1.5 parsing
  drm/nouveau: add missing pll_calc calls
  drm/nouveau: fix crash with noaccel=1
  drm/nv40: allocate ctxprog with kmalloc
  drm/nvc0/disp: fix thinko in vblank regression fix..
2012-11-22 09:14:24 -10:00
Thomas Petazzoni 73d9cdca1c dma: mv_xor: fix error handling path
The ->probe() function of the mv_xor function contains in its error
handling code a loop to cleanup the XOR channels that had been
successfully initialized if some other XOR channel fails to be
initialized. It does that by traveling the list of XOR channels, and
cleanup those for which the pointer is not NULL.

However, since the mv_xor_channel_add() function return a PTR_ERR
style value, the pointer is not NULL on error. So, when handling the
error of a given channel initialization, we cleanup this channel
initialization and mark this channel entry as NULL in the array. This
allows the remaining of the cleanup (for other channels) to work
properly.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
2012-11-22 18:22:59 +01:00
Thomas Petazzoni f8eb9e7d2a dma: mv_xor: fix error checking of irq_of_parse_and_map()
The irq_of_parse_and_map() function returns 0 on failure, and does not
return an error code, so we fix the calling site of
irq_of_parse_and_map() in the mv_xor driver.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
2012-11-22 18:22:12 +01:00
Thomas Petazzoni 2d0a074517 dma: mv_xor: use request_irq() instead of devm_request_irq()
Even through the usage of devm_*() functions is generally recommended
over their classic variants, in the case of devm_request_irq()
combined with irq_of_parse_and_map(), it doesn't work nicely.

We have the following scenario:

 irq_of_parse_and_map(...)
 devm_request_irq(...)

For some reason, the driver initialization fails at a later
point. Since irq_of_parse_and_map() is no device-managed, we do a:

 irq_dispose_mapping(...)

Unfortunately, this doesn't work, because the free_irq() must be done
prior to calling irq_dispose_mapping(). But with the devm mechanism,
the automatic free_irq() would happen only after we get out of the
->probe() function.

So basically, we revert to using request_irq() with traditional error
handling, so that in case of error, free_irq() gets called before
irq_dispose_mapping().

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
2012-11-22 18:19:09 +01:00
Thomas Petazzoni c4b4b732b2 dma: mv_xor: clear the window override control registers
The XOR channels on Marvell SoCs have a Window Override Control
register that allow to do some fancy things with addresses. Those
features are not used by the driver, but some U-Boot versions anyway
modify those registers.

For some reason, the U-Boot on OpenBlocks AX3-4 was setting an invalid
value in those registers when the addition 2 GB DRAM chip was plugged
into the board, causing the XOR driver to fail in using the XOR
engines.

By setting those registers to 0 during the driver initialization, we
ensure that the registers are configured according with the driver
operation model.

Thanks to Lior Amsalem <alior@marvell.com> for his help in debugging
this problem.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
2012-11-22 18:16:37 +01:00
Thomas Petazzoni 9f3410ff21 arm: mvebu: fix address decoding armada_cfg_base() function
The armada_cfg_base() function returns the base address of the
registers that allow to configure the decoding for a particular
address window. On Armada 370/XP, the lower windows have more
configuration registers (4 registers) than the higher windows (2
registers). This armada_cfg_base() takes this into account by doing a
different offset calculation depending on the window number, but this
offset calculation was wrong for the higher windows.

Even though we were not using high window numbers until now (only
window 0 is used to map the BootROM, needed for SMP), we use this
function at boot time to disable all windows to ensure that nothing
remains intialized from what the bootloader has done.

Unfortunately, the U-Boot on the OpenBlocks AX3-4 uses a window with a
high number (above 8) to remap the BootROM. And then when the kernel
boots, it remaps the BootROM in window 0. Normally, this is not a
problem, because all windows have previously been disabled. Except
that due to our wrong offset calculation, the windows with high
numbers were not properly disabled, leading to the BootROM being
mapped twice. The visible result of this bug was that the kernel was
unable to get the second CPU started on the OpenBlocks AX3-4
platform. With this fix, all windows are properly cleared at boot
time, the BootROM is remapped only once in window 0, and the second
CPU boots fine.

Thanks a lot to Lior Amsamlen <alior@marvell.com> for his help in
debugging this problem.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
---
Strictly speaking, this bug was introduced in 3.7, but since the only
platforms supported in 3.7 were Armada 370 and Armada XP, and there
was anyway no SMP support at this time, it isn't really worth the
effort to push this patch in 3.7.
2012-11-22 18:15:20 +01:00
Aaro Koskinen 8ad9375f8b OMAPDSS: do not fail if dpll4_m4_ck is missing
Do not fail if dpll4_m4_ck is missing. The clock is not there on omap24xx,
so this should not be a hard error.

The patch retains the functionality before the commit 185bae10 (OMAPDSS:
DSS: Cleanup cpu_is_xxxx checks).

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2012-11-22 17:23:12 +02:00
Thomas Petazzoni 1112b36094 SMP support for Armada XP
The purpose of this series is to add the SMP support for the Armada XP
 SoCs. Beside the SMP support itself brought by the last 3 commits,
 this series also adds the support for the coherency fabric unit and
 the power management service unit.
 
 The coherency fabric is responsible for ensuring hardware coherency
 between all CPUs and between CPUs and I/O masters. This unit is also
 available for Armada 370 and will be used in an incoming patch set
 for hardware I/O cache coherency.
 
 The power management service unit is responsible for powering down and
 waking up CPUs and other SOC units.
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Merge tag 'marvell-armadaxp-smp-for-3.8' of github.com:MISL-EBU-System-SW/mainline-public into mevbu-dt-additions

SMP support for Armada XP

The purpose of this series is to add the SMP support for the Armada XP
SoCs. Beside the SMP support itself brought by the last 3 commits,
this series also adds the support for the coherency fabric unit and
the power management service unit.

The coherency fabric is responsible for ensuring hardware coherency
between all CPUs and between CPUs and I/O masters. This unit is also
available for Armada 370 and will be used in an incoming patch set
for hardware I/O cache coherency.

The power management service unit is responsible for powering down and
waking up CPUs and other SOC units.

Conflicts:
	arch/arm/mach-mvebu/armada-370-xp.c
2012-11-22 10:55:09 +01:00
Thomas Petazzoni a79cfde1b1 Merge branch 'for-jason-1/cleanup' into mevbu-dt-additions 2012-11-22 10:50:55 +01:00
Al Viro 441a179daf [PARISC] fix user-triggerable panic on parisc
int sys32_rt_sigprocmask(int how, compat_sigset_t __user *set, compat_sigset_t __user *oset,
                                    unsigned int sigsetsize)
{
        sigset_t old_set, new_set;
        int ret;

        if (set && get_sigset32(set, &new_set, sigsetsize))

...
static int
get_sigset32(compat_sigset_t __user *up, sigset_t *set, size_t sz)
{
        compat_sigset_t s;
        int r;

        if (sz != sizeof *set) panic("put_sigset32()");

In other words, rt_sigprocmask(69, (void *)69, 69) done by 32bit process
will promptly panic the box.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Cc: <stable@vger.kernel.org>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-11-22 09:33:12 +00:00
NeilBrown 884162df2a md/raid10: decrement correct pending counter when writing to replacement.
When a write to a replacement device completes, we carefully
and correctly found the rdev that the write actually went to
and the blithely called rdev_dec_pending on the primary rdev,
even if this write was to the replacement.

This means that any writes to an array while a replacement
was ongoing would cause the nr_pending count for the primary
device to go negative, so it could never be removed.

This bug has been present since replacement was introduced in
3.3, so it is suitable for any -stable kernel since then.

Reported-by: "George Spelvin" <linux@horizon.com>
Cc: stable@vger.kernel.org
Signed-off-by: NeilBrown <neilb@suse.de>
2012-11-22 15:12:42 +11:00
NeilBrown e7c0c3fa29 md/raid10: close race that lose writes lost when replacement completes.
When a replacement operation completes there is a small window
when the original device is marked 'faulty' and the replacement
still looks like a replacement.  The faulty should be removed and
the replacement moved in place very quickly, bit it isn't instant.

So the code write out to the array must handle the possibility that
the only working device for some slot in the replacement - but it
doesn't.  If the primary device is faulty it just gives up.  This
can lead to corruption.

So make the code more robust: if either  the primary or the
replacement is present and working, write to them.  Only when
neither are present do we give up.

This bug has been present since replacement was introduced in
3.3, so it is suitable for any -stable kernel since then.

Reported-by: "George Spelvin" <linux@horizon.com>
Cc: stable@vger.kernel.org
Signed-off-by: NeilBrown <neilb@suse.de>
2012-11-22 15:12:36 +11:00
Jason Cooper 4e76b1b232 Marvell SATA and I2C enabling for OpenBlocks AX3-4
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Merge tag 'marvell-openblocks-i2c-sata-for-3.8' of git://github.com/MISL-EBU-System-SW/mainline-public into mvebu/everything

Marvell SATA and I2C enabling for OpenBlocks AX3-4
2012-11-22 03:28:05 +00:00
Dave Airlie 452f19201f Merge branch 'drm-fixes-3.7' of git://people.freedesktop.org/~agd5f/linux into drm-fixes
Alex writes:
A couple more small fixes for 3.7:
- another evergreen_mc fix
- add an AGP quirk for an old RV250
- new pci id.

* 'drm-fixes-3.7' of git://people.freedesktop.org/~agd5f/linux:
  drm/radeon: add new SI pci id
  radeon: add AGPMode 1 quirk for RV250
  drm/radeon: properly track the crtc not_enabled case evergreen_mc_stop()
2012-11-22 13:21:57 +10:00
Dave Airlie da6004b8d0 Merge branch 'drm-nouveau-fixes' of git://anongit.freedesktop.org/git/nouveau/linux-2.6 into drm-fixes
nouveau: one more regression fix.

* 'drm-nouveau-fixes' of git://anongit.freedesktop.org/git/nouveau/linux-2.6:
  drm/nouveau: use the correct fence implementation for nv50
2012-11-22 13:21:01 +10:00
Dave Airlie 776d1e38c5 Merge branch 'drm-nouveau-fixes' of git://anongit.freedesktop.org/git/nouveau/linux-2.6 into drm-fixes
Some more misc fallout from nouveau rework.

* 'drm-nouveau-fixes' of git://anongit.freedesktop.org/git/nouveau/linux-2.6:
  drm/nouveau/bios: fix DCB v1.5 parsing
  drm/nouveau: add missing pll_calc calls
  drm/nouveau: fix crash with noaccel=1
  drm/nv40: allocate ctxprog with kmalloc
  drm/nvc0/disp: fix thinko in vblank regression fix..
2012-11-22 13:20:01 +10:00
Maarten Lankhorst ace5a9b8db drm/nouveau: use the correct fence implementation for nv50
Only compile time tested, noticed nv50_fence_create was never used,
so fix this. This will probably fix vblank on nv50 cards.

Hopefully this is still in time for 3.7 final release.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2012-11-22 11:11:10 +10:00
Alex Deucher 0181bd5dea drm/radeon: add new SI pci id
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
2012-11-21 18:37:38 -05:00
Florian Westphal e93b5f9f32 netfilter: cttimeout: fix buffer overflow
Chen Gang reports:
the length of nla_data(cda[CTA_TIMEOUT_NAME]) is not limited in server side.

And indeed, its used to strcpy to a fixed-sized buffer.

Fortunately, nfnetlink users need CAP_NET_ADMIN.

Reported-by: Chen Gang <gang.chen@asianux.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2012-11-21 23:50:14 +01:00
Jozsef Kadlecsik 4fe198e6b1 netfilter: ipset: Fix range bug in hash:ip,port,net
Due to the missing ininitalization at adding/deleting entries, when
a plain_ip,port,net element was the object, multiple elements were
added/deleted instead. The bug came from the missing dangling
default initialization.

The error-prone default initialization is corrected in all hash:* types.

Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2012-11-21 23:49:02 +01:00
Dave Hansen ef6c5be658 fix incorrect NR_FREE_PAGES accounting (appears like memory leak)
There have been some 3.7-rc reports of vm issues, including some kswapd
bugs and, more importantly, some memory "leaks":

	http://www.spinics.net/lists/linux-mm/msg46187.html
	https://bugzilla.kernel.org/show_bug.cgi?id=50181

Commit 1fb3f8ca0e ("mm: compaction: capture a suitable high-order page
immediately when it is made available") took split_free_page() and
reused it for the compaction code.  It does something curious with
capture_free_page() (previously known as split_free_page()):

  int capture_free_page(struct page *page, int alloc_order,
  ...
          __mod_zone_page_state(zone, NR_FREE_PAGES, -(1UL << order));

  -       /* Split into individual pages */
  -       set_page_refcounted(page);
  -       split_page(page, order);
  +       if (alloc_order != order)
  +               expand(zone, page, alloc_order, order,
  +                       &zone->free_area[order], migratetype);

Note that expand() puts the pages _back_ in the allocator, but it does
not bump NR_FREE_PAGES.  We "return" 'alloc_order' worth of pages, but
we accounted for removing 'order' in the __mod_zone_page_state() call.

For the old split_page()-style use (order==alloc_order) the bug will not
trigger.  But, when called from the compaction code where we
occasionally get a larger page out of the buddy allocator than we need,
we will run in to this.

This patch simply changes the NR_FREE_PAGES manipulation to the correct
'alloc_order' instead of 'order'.

I've been able to repeatedly trigger this in my testing environment.
The amount "leaked" very closely tracks the imbalance I see in buddy
pages vs.  NR_FREE_PAGES.  I have confirmed that this patch fixes the
imbalance

Signed-off-by: Dave Hansen <dave@linux.vnet.ibm.com>
Acked-by: Mel Gorman <mgorman@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-11-21 12:33:16 -10:00
Linus Torvalds db9d8c6026 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking updates from David Miller:

 1) inet6_csk_update_pmtu() must return NULL or non-NULL, so translate
    ERR_PTR to NULL, as needed.  Fix from Eric Dumazet.

 2) Fix copy&paste error in IRDA sir_dev ->set_speed method invocation,
    it was testing the NULL'ness of a different method to guard the
    call.  Fix from Alexander Shiyan.

 3) Fix build regression of xilinx driver, from Jeff Mahoney.

 4) Make XEN netfront (like XEN netback) handle compound pages in SKBs
    properly.  From Ian Campbell.

 5) Fix inverted logic of team_dev_queue_xmit() return value checks,
    from Jiri Pirko and Dan Carpenter.

 6) dma_poll_create() no longer allows a NULL device argument, breaking
    both ixp4xx drivers.  Fix from Xi Wang.

 7) ne2000 driver doesn't hook up the parent device properly, breaking
    udev matching.  Fix from Alan Cox.

 8) Locking and memory leak fixes in Near Field Communications layer.
    From Thierry Escande, Szymon Janc, and Waldemar Rymarkiewicz.

 9) sis900 resume regression, sis900_set_mode() is being called with the
    iomem pointer instead of the expected device private.  Fix from
    Francois Romieu.

10) Fix IBSS regression caused by uninitializing the ibss-internals
    before performing an emptyness check, from Simon WUnderlich.

11) Fix SNIFFER mode regression in iwlwifi driver, from Johannes Berg.

12) Fix task wedges in mwifiex_cmd_timeout_func(), from Bing Zhao.

13) Add back wireless sysfs directory, too much stuff depends upon it
    being there (actually I'd say it never should have been removed to
    begin with).  From Johannes Berg.

14) Fix hang introduced by suspend/resume changes in ath9k.  Fix from
    Sujith Manoharan.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (24 commits)
  team: bcast: convert return value of team_dev_queue_xmit() to bool correctly
  bonding: Bonding driver does not consider the gso_max_size/gso_max_segs setting of slave devices.
  xen/netfront: handle compound page fragments on transmit
  net: fix build failure in xilinx
  irda: sir_dev: Fix copy/paste typo
  ipv6: fix inet6_csk_update_pmtu() return value
  ixp4xx_hss: avoid calling dma_pool_create() with NULL dev
  ixp4xx_eth: avoid calling dma_pool_create() with NULL dev
  ne2000: add the right platform device
  of/net/mdio-gpio: Fix pdev->id issue when using devicetrees.
  NFC: Fix pn533 target mode memory leak
  NFC: pn533: Fix mem leak in pn533_in_dep_link_up
  NFC: pn533: Fix use after free
  NFC: pn533: Fix missing lock while operating on commands list
  NFC: Fix nfc_llcp_local chained list insertion
  ath9k_hw: Fix regression in device reset
  sis900: fix sis900_set_mode call parameters.
  iwlwifi: don't WARN when a non empty queue is disabled
  wireless: add back sysfs directory
  mwifiex: report error to MMC core if we cannot suspend
  ...
2012-11-21 12:28:19 -10:00
Thomas Petazzoni 9bfd143ed2 ARM: mvebu: update defconfig with I2C and RTC support
Now that we have support for the I2C busses on Armada 370/XP, and
support for the RTC on the OpenBlocks AX3-4 platform, include the
necessary options in mvebu_defconfig.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
2012-11-21 23:20:36 +01:00
Thomas Petazzoni 6435389dde ARM: mvebu: Add SATA support for OpenBlocks AX3-4
This patch enables SATA support on the OpenBlocks AX3-4. It has one
internal SATA port, and an external eSATA port.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
2012-11-21 23:20:35 +01:00
Nobuhiro Iwamatsu 14bedd4afb ARM: mvebu: Add support for the RTC in OpenBlocks AX3-4
The OpenBlocks AX3-4 has a Seiko Instruments S-35390A as the RTC
controller.  This patch enables this RTC device in the OpenBlocks
AX3-4 Device Tree.

[Thomas Petazzoni: updated with other OpenBlocks changes, rephrased
commit log.]
Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
2012-11-21 23:19:39 +01:00
Nobuhiro Iwamatsu 9eab21cffc ARM: mvebu: Add support for I2C on OpenBlocks AX3-4
The OpenBlocks AX3-4 board, based on the Armada XP SoC, has an I2C
bus. This patch enables this bus and sets the clock frequency of the
bus.

[Thomas Petazzoni: updated with other changes on OpenBlocks, rephrased
commit log.]
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
2012-11-21 23:18:43 +01:00
Nobuhiro Iwamatsu 539eb5bca0 ARM: mvebu: Add support for I2C controllers in Armada 370/XP
The Armada 370 and Armada XP have the same I2C controllers as previous
Marvell SoCs, so the existing mv64xxx-i2c driver works fine.

[Thomas Petazzoni: updated on top of other Armada 370/XP changes,
rephrased the commit log].
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
2012-11-21 23:17:34 +01:00
NeilBrown ca64cae960 md/raid5: Make sure we clear R5_Discard when discard is finished.
commit 9e44476851
    MD: raid5 avoid unnecessary zero page for trim

change raid5 to clear R5_Discard when the complete request is
handled rather than when submitting the per-device discard request.
However it did not clear R5_Discard for the parity device.

This means that if the stripe_head was reused before it expired from
the cache, the setting would be wrong and a hang would result.

Also if the R5_Uptodate bit happens to be set, R5_Discard again
won't be cleared.  But R5_Uptodate really should be clear at this point.

So make sure R5_Discard is cleared in all cases, and clear
R5_Uptodate when a 'discard' completes.

Signed-off-by: NeilBrown <neilb@suse.de>
2012-11-22 09:14:13 +11:00
NeilBrown ef5b7c69b7 md/raid5: move resolving of reconstruct_state earlier in
stripe_handle.

The chunk of code in stripe_handle which responds to a
*_result value in reconstruct_state is really the completion
of some processing that happened outside of handle_stripe
(possibly asynchronously) and so should be one of the first
things done in handle_stripe().

After the next patch it will be important that it happens before
handle_stripe_clean_event(), as that will clear some dev->flags
bit that this code tests.

Signed-off-by: NeilBrown <neilb@suse.de>
2012-11-22 09:14:09 +11:00
Olof Johansson 65546ab097 Few more regression fixes related to u-boot only muxing
essential pins.
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Merge tag 'omap-for-v3.7-rc5/fixes-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes

From Tony Lindgren:
Few more regression fixes related to u-boot only muxing
essential pins.

* tag 'omap-for-v3.7-rc5/fixes-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP4: TWL: mux sys_drm_msecure as output for PMIC
  ARM: OMAP3: igep0020: Set WIFI/BT GPIO pins in correct mux mode
  ARM: OMAP: Add maintainer entry for IGEP machines
2012-11-21 13:56:36 -08:00
Igor Grinberg 0a0d628573 ARM - OMAP: ads7846: fix pendown debounce setting
Commit 97ee9f01 (ARM: OMAP: fix the ads7846 init code) have enabled the
pendown GPIO debounce time setting by the below sequence:

  gpio_request_one()
  gpio_set_debounce()
  gpio_free()

It also revealed a bug in the OMAP GPIO handling code which prevented
the GPIO debounce clock to be disabled and CORE transition to low power
states.

Commit c9c55d9 (gpio/omap: fix off-mode bug: clear debounce settings on
free/reset) fixes the OMAP GPIO handling code by making sure that the
GPIO debounce clock gets disabled if no GPIO is requested from current
bank.

While fixing the OMAP GPIO handling code (in the right way), the above
commit makes the gpio_request->set_debounce->free sequence invalid as
after freeing the GPIO, the debounce settings are lost.

Fix the debounce settings by moving the debounce initialization to the
actual GPIO requesting code - the ads7846 driver.

Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2012-11-21 13:10:02 -08:00
Igor Grinberg c4f4925439 Input: ads7846 - enable pendown GPIO debounce time setting
Some platforms need the pendown GPIO debounce time setting programmed.
Since the pendown GPIO is handled by the driver, the debounce time
should also be handled along with the pendown GPIO request.

Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2012-11-21 13:09:56 -08:00
Jason Cooper 32d6448a08 Add hardware I/O coherency support for Armada 370/XP
The purpose of this patch set is to add hardware I/O Coherency support
 for Armada 370 and Armada XP. Theses SoCs come with an unit called
 coherency fabric. A beginning of the support for this unit have been
 introduced with the SMP patch set. This series extend this support:
 the coherency fabric unit allows to use the Armada XP and the Armada
 370 as nearly coherent architectures.
 
 The third patches enables this new feature and register our own set
 of DMA ops, to benefit this hardware enhancement.
 
 The first patches exports a dma operation function needed to register
 our own set of dma ops.
 
 The second patch introduces a new flag for the address decoding
 configuration in order to be able to set the memory windows as
 shared memory.
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Merge tag 'marvell-hwiocc-for-3.8' of git://github.com/MISL-EBU-System-SW/mainline-public into mvebu/everything

Add hardware I/O coherency support for Armada 370/XP

The purpose of this patch set is to add hardware I/O Coherency support
for Armada 370 and Armada XP. Theses SoCs come with an unit called
coherency fabric. A beginning of the support for this unit have been
introduced with the SMP patch set. This series extend this support:
the coherency fabric unit allows to use the Armada XP and the Armada
370 as nearly coherent architectures.

The third patches enables this new feature and register our own set
of DMA ops, to benefit this hardware enhancement.

The first patches exports a dma operation function needed to register
our own set of dma ops.

The second patch introduces a new flag for the address decoding
configuration in order to be able to set the memory windows as
shared memory.
2012-11-21 20:02:46 +00:00
Jason Cooper 86b7d3f779 SMP support for Armada XP
The purpose of this series is to add the SMP support for the Armada XP
 SoCs. Beside the SMP support itself brought by the last 3 commits,
 this series also adds the support for the coherency fabric unit and
 the power management service unit.
 
 The coherency fabric is responsible for ensuring hardware coherency
 between all CPUs and between CPUs and I/O masters. This unit is also
 available for Armada 370 and will be used in an incoming patch set
 for hardware I/O cache coherency.
 
 The power management service unit is responsible for powering down and
 waking up CPUs and other SOC units.
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Merge tag 'marvell-armadaxp-smp-for-3.8' of git://github.com/MISL-EBU-System-SW/mainline-public into mvebu/everything

SMP support for Armada XP

The purpose of this series is to add the SMP support for the Armada XP
SoCs. Beside the SMP support itself brought by the last 3 commits,
this series also adds the support for the coherency fabric unit and
the power management service unit.

The coherency fabric is responsible for ensuring hardware coherency
between all CPUs and between CPUs and I/O masters. This unit is also
available for Armada 370 and will be used in an incoming patch set
for hardware I/O cache coherency.

The power management service unit is responsible for powering down and
waking up CPUs and other SOC units.
2012-11-21 20:01:15 +00:00
Jason Cooper 9580e3e3fb Marvell mvebu defconfig updates for 3.8
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Merge tag 'marvell-net-xor-defconfig-for-3.8' of git://github.com/MISL-EBU-System-SW/mainline-public into mvebu/everything

Marvell mvebu defconfig updates for 3.8

Conflicts:
	arch/arm/configs/mvebu_defconfig
2012-11-21 20:00:36 +00:00
Jason Cooper 98d8df630d Marvell XOR driver DT changes for 3.8
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Merge tag 'marvell-xor-board-dt-changes-3.8-v2' of git://github.com/MISL-EBU-System-SW/mainline-public into mvebu/everything

Marvell XOR driver DT changes for 3.8

Conflicts:
	arch/arm/boot/dts/armada-xp.dtsi
2012-11-21 19:57:23 +00:00
Jason Cooper c9dc03ddbf Marvell XOR driver cleanup and DT binding for 3.8
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Merge tag 'marvell-xor-cleanup-dt-binding-3.8' of git://github.com/MISL-EBU-System-SW/mainline-public into mvebu/everything

Marvell XOR driver cleanup and DT binding for 3.8
2012-11-21 19:55:20 +00:00
Jason Cooper 61528f4e92 Marvell Ethernet DT update for clk support
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Merge tag 'marvell-neta-dt-clk-updates-3.8' of git://github.com/MISL-EBU-System-SW/mainline-public into mvebu/everything

Marvell Ethernet DT update for clk support
2012-11-21 19:54:35 +00:00
Jason Cooper 23f4f6020e Marvell Ethernet driver fix + clk support
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Merge tag 'marvell-mvneta-fix-and-clk-support-3.8' of git://github.com/MISL-EBU-System-SW/mainline-public into mvebu/everything

Marvell Ethernet driver fix + clk support
2012-11-21 19:53:48 +00:00
Jason Cooper e3899fc7ce Marvell network/MDIO driver checkpatch fixes
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Merge tag 'marvell-net-mdio-checkpatch-fixes-3.8' of git://github.com/MISL-EBU-System-SW/mainline-public into mvebu/everything

Marvell network/MDIO driver checkpatch fixes
2012-11-21 19:52:42 +00:00
Jason Cooper edd47fbb49 Marvell boards changes related to Ethernet, for 3.8
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Merge tag 'marvell-boards-net-for-3.8' of git://github.com/MISL-EBU-System-SW/mainline-public into mvebu/everything

Marvell boards changes related to Ethernet, for 3.8

Conflicts:
	arch/arm/boot/dts/armada-370-xp.dtsi
	arch/arm/boot/dts/armada-xp-db.dts
2012-11-21 19:51:14 +00:00
Jason Cooper 4135c7d4a7 Marvell mvneta network driver, for 3.8
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Merge tag 'marvell-neta-for-3.8' of git://github.com/MISL-EBU-System-SW/mainline-public into mvebu/everything

Marvell mvneta network driver, for 3.8
2012-11-21 19:48:03 +00:00
Jason Cooper bcd731e1ed Marvell Armada 370/XP support for 3.8
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Merge tag 'marvell-sata-3.8' of git://github.com/MISL-EBU-System-SW/mainline-public into mvebu/everything

Marvell Armada 370/XP support for 3.8
2012-11-21 19:47:42 +00:00
Jason Cooper 53bce9c7c4 Marvell MVEBU clk support, for 3.8
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Merge tag 'marvell-mvebu-clk-3.8' of git://github.com/MISL-EBU-System-SW/mainline-public into mvebu/everything

Marvell MVEBU clk support, for 3.8
2012-11-21 19:46:43 +00:00
Jiri Pirko 403f43c937 team: bcast: convert return value of team_dev_queue_xmit() to bool correctly
The thing is that team_dev_queue_xmit() returns NET_XMIT_* or -E*.
bc_trasmit() should return true in case all went well. So use ! to get
correct retval from team_dev_queue_xmit() result.
This bug caused iface statistics to be badly computed.

This bug was introduced by:
team: add broadcast mode (5fc889911a)

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-11-21 11:55:07 -05:00
Linus Torvalds 45e7715922 A simple pinctrl Kconfig oneliner arriving late.
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Merge tag 'pinctrl-for-v3.7-late' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl

Pull pinctrl fix from Linus Walleij:
 "A simple pinctrl Kconfig oneliner arriving late.

  Final (hopefully) oneliner for the pinctrl subsystem targeted at v3.7"

* tag 'pinctrl-for-v3.7-late' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
  pinctrl/samsung: don't allow enabling pinctrl-samsung standalone
2012-11-21 06:53:30 -10:00
Linus Torvalds 85c0805a8d Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
Pull selinux RCU fixlet from James Morris.

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security:
  selinux: fix sel_netnode_insert() suspicious rcu dereference
2012-11-21 06:52:35 -10:00