The workqueue "retry_unthrottle_workqueue" is not scheduled anywhere
in the code. So, remove it.
Signed-off-by: Olivier Sobrie <olivier@sobrie.be>
Signed-off-by: David S. Miller <davem@davemloft.net>
to be built on platforms which don't provide the DMA mapping API.
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Merge tag 'firewire-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394
Pull firewire fix from Stefan Richter:
"The 1394 drivers cannot and are not supposed to be built on platforms
which don't provide the DMA mapping API (regression since v3.16-rc1
with CONFIG_COMPILE_TEST=y on some architectures)"
* tag 'firewire-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394:
firewire: IEEE 1394 (FireWire) support should depend on HAS_DMA
Pull another aio fix from Ben LaHaise:
"put_reqs_available() can now be called from within irq context, which
means that it (and its sibling function get_reqs_available()) now need
to be irq-safe, not just preempt-safe"
* git://git.kvack.org/~bcrl/aio-fixes:
aio: protect reqs_available updates from changes in interrupt handlers
The l2tp [get|set]sockopt() code has fallen back to the UDP functions
for socket option levels != SOL_PPPOL2TP since day one, but that has
never actually worked, since the l2tp socket isn't an inet socket.
As David Miller points out:
"If we wanted this to work, it'd have to look up the tunnel and then
use tunnel->sk, but I wonder how useful that would be"
Since this can never have worked so nobody could possibly have depended
on that functionality, just remove the broken code and return -EINVAL.
Reported-by: Sasha Levin <sasha.levin@oracle.com>
Acked-by: James Chapman <jchapman@katalix.com>
Acked-by: David Miller <davem@davemloft.net>
Cc: Phil Turnbull <phil.turnbull@oracle.com>
Cc: Vegard Nossum <vegard.nossum@oracle.com>
Cc: Willy Tarreau <w@1wt.eu>
Cc: stable@vger.kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Commit 568f194e8b ("net: ppp: use
sk_unattached_filter api") causes sk_chk_filter() to be called twice when
setting a PPP pass or active filter. This applies to both the generic PPP
subsystem implemented by drivers/net/ppp/ppp_generic.c and the ISDN PPP
subsystem implemented by drivers/isdn/i4l/isdn_ppp.c. The first call is from
within get_filter(). The second one is through the call chain
ppp_ioctl() or isdn_ppp_ioctl()
--> sk_unattached_filter_create()
--> __sk_prepare_filter()
--> sk_chk_filter()
The first call from within get_filter() should be deleted as get_filter() is
called just before calling sk_unattached_filter_create() later on, which
eventually calls sk_chk_filter() anyway.
For 3.15.x, this proposed change is a bugfix rather than a pure optimization as
in that branch, sk_chk_filter() may replace filter codes by other codes which
are not recognized when executing sk_chk_filter() a second time. So with
3.15.x, if sk_chk_filter() is called twice, the second invocation may yield
EINVAL (this depends on the filter codes found in the filter to be set, but
because the replacement is done for frequently used codes, this is almost
always the case). The net effect is that setting pass and/or active PPP filters
does not work anymore, since sk_unattached_filter_create() always returns
EINVAL due to the second call to sk_chk_filter(), regardless whether the filter
was originally sane or not.
Signed-off-by: Christoph Schulz <develop@kristov.de>
Acked-by: Daniel Borkmann <dborkman@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Napi id was not marked for gro_skb, this will lead rx busy loop won't
work correctly since they stack never try to call low latency receive
method because of a zero socket napi id. Fix this by marking napi id
for gro_skb.
The transaction rate of 1 byte netperf tcp_rr gets about 50% increased
(from 20531.68 to 30610.88).
Cc: Amir Vadai <amirv@mellanox.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Obvious copy/paste error when I converted the ad_select to the new
option API. "lacp_rate" there should be "ad_select" so we can get the
proper value.
CC: Jay Vosburgh <j.vosburgh@gmail.com>
CC: Veaceslav Falico <vfalico@gmail.com>
CC: Andy Gospodarek <andy@greyhouse.net>
CC: David S. Miller <davem@davemloft.net>
Fixes: 9e5f5eebe7 ("bonding: convert ad_select to use the new option
API")
Reported-by: Karim Scheik <karim.scheik@prisma-solutions.at>
Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The PPP channel MTU is used with Multilink PPP when ppp_mp_explode() (see
ppp_generic module) tries to determine how big a fragment might be. According
to RFC 1661, the MTU excludes the 2-byte PPP protocol field, see the
corresponding comment and code in ppp_mp_explode():
/*
* hdrlen includes the 2-byte PPP protocol field, but the
* MTU counts only the payload excluding the protocol field.
* (RFC1661 Section 2)
*/
mtu = pch->chan->mtu - (hdrlen - 2);
However, the pppoe module *does* include the PPP protocol field in the channel
MTU, which is wrong as it causes the PPP payload to be 1-2 bytes too big under
certain circumstances (one byte if PPP protocol compression is used, two
otherwise), causing the generated Ethernet packets to be dropped. So the pppoe
module has to subtract two bytes from the channel MTU. This error only
manifests itself when using Multilink PPP, as otherwise the channel MTU is not
used anywhere.
In the following, I will describe how to reproduce this bug. We configure two
pppd instances for multilink PPP over two PPPoE links, say eth2 and eth3, with
a MTU of 1492 bytes for each link and a MRRU of 2976 bytes. (This MRRU is
computed by adding the two link MTUs and subtracting the MP header twice, which
is 4 bytes long.) The necessary pppd statements on both sides are "multilink
mtu 1492 mru 1492 mrru 2976". On the client side, we additionally need "plugin
rp-pppoe.so eth2" and "plugin rp-pppoe.so eth3", respectively; on the server
side, we additionally need to start two pppoe-server instances to be able to
establish two PPPoE sessions, one over eth2 and one over eth3. We set the MTU
of the PPP network interface to the MRRU (2976) on both sides of the connection
in order to make use of the higher bandwidth. (If we didn't do that, IP
fragmentation would kick in, which we want to avoid.)
Now we send a ICMPv4 echo request with a payload of 2948 bytes from client to
server over the PPP link. This results in the following network packet:
2948 (echo payload)
+ 8 (ICMPv4 header)
+ 20 (IPv4 header)
---------------------
2976 (PPP payload)
These 2976 bytes do not exceed the MTU of the PPP network interface, so the
IP packet is not fragmented. Now the multilink PPP code in ppp_mp_explode()
prepends one protocol byte (0x21 for IPv4), making the packet one byte bigger
than the negotiated MRRU. So this packet would have to be divided in three
fragments. But this does not happen as each link MTU is assumed to be two bytes
larger. So this packet is diveded into two fragments only, one of size 1489 and
one of size 1488. Now we have for that bigger fragment:
1489 (PPP payload)
+ 4 (MP header)
+ 2 (PPP protocol field for the MP payload (0x3d))
+ 6 (PPPoE header)
--------------------------
1501 (Ethernet payload)
This packet exceeds the link MTU and is discarded.
If one configures the link MTU on the client side to 1501, one can see the
discarded Ethernet frames with tcpdump running on the client. A
ping -s 2948 -c 1 192.168.15.254
leads to the smaller fragment that is correctly received on the server side:
(tcpdump -vvvne -i eth3 pppoes and ppp proto 0x3d)
52:54:00:ad:87:fd > 52:54:00:79:5c:d0, ethertype PPPoE S (0x8864),
length 1514: PPPoE [ses 0x3] MLPPP (0x003d), length 1494: seq 0x000,
Flags [end], length 1492
and to the bigger fragment that is not received on the server side:
(tcpdump -vvvne -i eth2 pppoes and ppp proto 0x3d)
52:54:00:70:9e:89 > 52:54:00:5d:6f:b0, ethertype PPPoE S (0x8864),
length 1515: PPPoE [ses 0x5] MLPPP (0x003d), length 1495: seq 0x000,
Flags [begin], length 1493
With the patch below, we correctly obtain three fragments:
52:54:00:ad:87:fd > 52:54:00:79:5c:d0, ethertype PPPoE S (0x8864),
length 1514: PPPoE [ses 0x1] MLPPP (0x003d), length 1494: seq 0x000,
Flags [begin], length 1492
52:54:00:70:9e:89 > 52:54:00:5d:6f:b0, ethertype PPPoE S (0x8864),
length 1514: PPPoE [ses 0x1] MLPPP (0x003d), length 1494: seq 0x000,
Flags [none], length 1492
52:54:00:ad:87:fd > 52:54:00:79:5c:d0, ethertype PPPoE S (0x8864),
length 27: PPPoE [ses 0x1] MLPPP (0x003d), length 7: seq 0x000,
Flags [end], length 5
And the ICMPv4 echo request is successfully received at the server side:
IP (tos 0x0, ttl 64, id 21925, offset 0, flags [DF], proto ICMP (1),
length 2976)
192.168.222.2 > 192.168.15.254: ICMP echo request, id 30530, seq 0,
length 2956
The bug was introduced in commit c9aa689537
("[PPPOE]: Advertise PPPoE MTU") from the very beginning. This patch applies
to 3.10 upwards but the fix can be applied (with minor modifications) to
kernels as old as 2.6.32.
Signed-off-by: Christoph Schulz <develop@kristov.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
The code in neigh_sysctl_register() relies on a specific layout of
struct neigh_table, namely that the 'gc_*' variables are directly
following the 'parms' member in a specific order. The code, though,
expresses this in the most ugly way.
Get rid of the ugly casts and use the 'tbl' pointer to get a handle to
the table. This way we can refer to the 'gc_*' variables directly.
Similarly seen in the grsecurity patch, written by Brad Spengler.
Signed-off-by: Mathias Krause <minipli@googlemail.com>
Cc: Brad Spengler <spender@grsecurity.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
While working on some other SCTP code, I noticed that some
structures shared with user space are leaking uninitialized
stack or heap buffer. In particular, struct sctp_sndrcvinfo
has a 2 bytes hole between .sinfo_flags and .sinfo_ppid that
remains unfilled by us in sctp_ulpevent_read_sndrcvinfo() when
putting this into cmsg. But also struct sctp_remote_error
contains a 2 bytes hole that we don't fill but place into a skb
through skb_copy_expand() via sctp_ulpevent_make_remote_error().
Both structures are defined by the IETF in RFC6458:
* Section 5.3.2. SCTP Header Information Structure:
The sctp_sndrcvinfo structure is defined below:
struct sctp_sndrcvinfo {
uint16_t sinfo_stream;
uint16_t sinfo_ssn;
uint16_t sinfo_flags;
<-- 2 bytes hole -->
uint32_t sinfo_ppid;
uint32_t sinfo_context;
uint32_t sinfo_timetolive;
uint32_t sinfo_tsn;
uint32_t sinfo_cumtsn;
sctp_assoc_t sinfo_assoc_id;
};
* 6.1.3. SCTP_REMOTE_ERROR:
A remote peer may send an Operation Error message to its peer.
This message indicates a variety of error conditions on an
association. The entire ERROR chunk as it appears on the wire
is included in an SCTP_REMOTE_ERROR event. Please refer to the
SCTP specification [RFC4960] and any extensions for a list of
possible error formats. An SCTP error notification has the
following format:
struct sctp_remote_error {
uint16_t sre_type;
uint16_t sre_flags;
uint32_t sre_length;
uint16_t sre_error;
<-- 2 bytes hole -->
sctp_assoc_t sre_assoc_id;
uint8_t sre_data[];
};
Fix this by setting both to 0 before filling them out. We also
have other structures shared between user and kernel space in
SCTP that contains holes (e.g. struct sctp_paddrthlds), but we
copy that buffer over from user space first and thus don't need
to care about it in that cases.
While at it, we can also remove lengthy comments copied from
the draft, instead, we update the comment with the correct RFC
number where one can look it up.
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
As of commit f8567a3845 it is now possible to
have put_reqs_available() called from irq context. While put_reqs_available()
is per cpu, it did not protect itself from interrupts on the same CPU. This
lead to aio_complete() corrupting the available io requests count when run
under a heavy O_DIRECT workloads as reported by Robert Elliott. Fix this by
disabling irq updates around the per cpu batch updates of reqs_available.
Many thanks to Robert and folks for testing and tracking this down.
Reported-by: Robert Elliot <Elliott@hp.com>
Tested-by: Robert Elliot <Elliott@hp.com>
Signed-off-by: Benjamin LaHaise <bcrl@kvack.org>
Cc: Jens Axboe <axboe@kernel.dk>, Christoph Hellwig <hch@infradead.org>
Cc: stable@vger.kenel.org
We got a regression report for 3.15.x kernels, and this turned out to
be triggered by the fix for stream assignment order. On reporter's
machine with Intel controller (8086:1e20) + VIA VT1802 codec, the
first playback slot can't work with speaker outputs.
But the original commit was actually a fix for AMD controllers where
no proper GCAP value is returned, we shouldn't revert the whole
commit. Instead, in this patch, a new flag is introduced to determine
the stream assignment order, and follow the old behavior for Intel
controllers.
Fixes: dcb32ecd9a ('ALSA: hda - Do not assign streams in reverse order')
Reported-and-tested-by: Steven Newbury <steve@snewbury.org.uk>
Cc: <stable@vger.kernel.org> [v3.15+]
Signed-off-by: Takashi Iwai <tiwai@suse.de>
RGMII_MODE_EN bit was defined to 0, while it is actually 6. It was not
much of a problem on older designs where this was a no-op, and the RGMII
data-path would always be enabled, but newer GENET controllers need to
explicitely enable their RGMII data-pad using this bit.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This family of chips was long ago supported by the pre-cfi driver.
CFI code tested on several Zaurus SL-5500 (Collie) 2x16 on 32 bit bus.
Function is_LH28F640BF() mimics is_m29ew() from cmdset_0002.c
Buffer write fixes as seen in 2007 patch c/o
Anti Sullin <anti.sullin <at> artecdesign.ee>
http://comments.gmane.org/gmane.linux.ports.arm.kernel/36733
[Brian: this patch is semi-urgent, because the following patch switches
to using CFI detection for a chip which (until now) is unsupported by
the CFI driver
9218310 ARM: 8084/1: sa1100: collie: revert back to cfi_probe
]
Signed-off-by: Andrea Adami <andrea.adami@gmail.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
In commit 67a9ad9b8a ("mtd: nand: Warn the user if the selected ECC
strength is too weak"), a check was added to inform the user when the
ECC used for a NAND device is weaker than the recommended ECC
advertised by the NAND chip. However, the warning uses WARN_ON(),
which has two undesirable side-effects:
- It just prints to the kernel log the fact that there is a warning
in this file, at this line, but it doesn't explain anything about
the warning itself.
- It dumps a stack trace which is very noisy, for something that the
user is most likely not able to fix. If a certain ECC used by the
kernel is weaker than the advertised one, it's most likely to make
sure the kernel uses an ECC that is compatible with the one used by
the bootloader, and changing the bootloader may not necessarily be
easy. Therefore, normal users would not be able to do anything to
fix this very noisy warning, and will have to suffer from it at
every kernel boot. At least every time I see this stack trace in my
kernel boot log, I wonder what new thing is broken, just to realize
that it's once again this NAND ECC warning.
Therefore, this commit turns:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 1 at /home/thomas/projets/linux-2.6/drivers/mtd/nand/nand_base.c:4051 nand_scan_tail+0x538/0x780()
Modules linked in:
CPU: 0 PID: 1 Comm: swapper Not tainted 3.16.0-rc3-dirty #4
[<c000e3dc>] (unwind_backtrace) from [<c000bee4>] (show_stack+0x10/0x14)
[<c000bee4>] (show_stack) from [<c0018180>] (warn_slowpath_common+0x6c/0x8c)
[<c0018180>] (warn_slowpath_common) from [<c001823c>] (warn_slowpath_null+0x1c/0x24)
[<c001823c>] (warn_slowpath_null) from [<c02c50cc>] (nand_scan_tail+0x538/0x780)
[<c02c50cc>] (nand_scan_tail) from [<c0639f78>] (orion_nand_probe+0x224/0x2e4)
[<c0639f78>] (orion_nand_probe) from [<c026da00>] (platform_drv_probe+0x18/0x4c)
[<c026da00>] (platform_drv_probe) from [<c026c1f4>] (really_probe+0x80/0x218)
[<c026c1f4>] (really_probe) from [<c026c47c>] (__driver_attach+0x98/0x9c)
[<c026c47c>] (__driver_attach) from [<c026a8f0>] (bus_for_each_dev+0x64/0x94)
[<c026a8f0>] (bus_for_each_dev) from [<c026bae4>] (bus_add_driver+0x144/0x1ec)
[<c026bae4>] (bus_add_driver) from [<c026cb00>] (driver_register+0x78/0xf8)
[<c026cb00>] (driver_register) from [<c026da5c>] (platform_driver_probe+0x20/0xb8)
[<c026da5c>] (platform_driver_probe) from [<c00088b8>] (do_one_initcall+0x80/0x1d8)
[<c00088b8>] (do_one_initcall) from [<c0620c9c>] (kernel_init_freeable+0xf4/0x1b4)
[<c0620c9c>] (kernel_init_freeable) from [<c049a098>] (kernel_init+0x8/0xec)
[<c049a098>] (kernel_init) from [<c00095f0>] (ret_from_fork+0x14/0x24)
---[ end trace 62f87d875aceccb4 ]---
Into the much shorter, and much more useful:
nand: WARNING: MT29F2G08ABAEAWP: the ECC used on your system is too weak compared to the one required by the NAND chip
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
(introduced in 3.15) that can end up triggering a file system
corruption error after a journal replay. (It shouldn't lead to any
actual data corruption, but it is scary and can force file systems to
be remounted read-only, etc.)
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Merge tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Pull ext4 bugfixes from Ted Ts'o:
"More bug fixes for ext4 -- most importantly, a fix for a bug
introduced in 3.15 that can end up triggering a file system corruption
error after a journal replay.
It shouldn't lead to any actual data corruption, but it is scary and
can force file systems to be remounted read-only, etc"
* tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
ext4: fix potential null pointer dereference in ext4_free_inode
ext4: fix a potential deadlock in __ext4_es_shrink()
ext4: revert commit which was causing fs corruption after journal replays
ext4: disable synchronous transaction batching if max_batch_time==0
ext4: clarify ext4_error message in ext4_mb_generate_buddy_error()
ext4: clarify error count warning messages
ext4: fix unjournalled bg descriptor while initializing inode bitmap
Samsung, ST & TI. Most of them are of the "this hardware won't work
without this fix" variety, including patches that fix platforms that did
not boot under certain configurations. Other fixes are the result of
changes to the clock core introduced in 3.15 that had subtle impacts on
the clock drivers.
There are no fixes to the clock framework core in this pull request.
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Merge tag 'clk-fixes-for-linus' of git://git.linaro.org/people/mike.turquette/linux
Pull clock driver fixes from Mike Turquette:
"This batch of fixes is for a handful of clock drivers from Allwinner,
Samsung, ST & TI. Most of them are of the "this hardware won't work
without this fix" variety, including patches that fix platforms that
did not boot under certain configurations. Other fixes are the result
of changes to the clock core introduced in 3.15 that had subtle
impacts on the clock drivers.
There are no fixes to the clock framework core in this pull request"
* tag 'clk-fixes-for-linus' of git://git.linaro.org/people/mike.turquette/linux:
clk: spear3xx: Set proper clock parent of uart1/2
clk: spear3xx: Use proper control register offset
clk: qcom: HDMI source sel is 3 not 2
clk: sunxi: fix devm_ioremap_resource error detection code
clk: s2mps11: Fix double free corruption during driver unbind
clk: ti: am43x: Fix boot with CONFIG_SOC_AM33XX disabled
clk: exynos5420: Remove aclk66_peric from the clock tree description
clk/exynos5250: fix bit number for tv sysmmu clock
clk: s3c64xx: Hookup SPI clocks correctly
clk: samsung: exynos4: Remove SRC_MASK_ISP gates
clk: samsung: add more aliases for s3c24xx
clk: samsung: fix several typos to fix boot on s3c2410
clk: ti: set CLK_SET_RATE_NO_REPARENT for ti,mux-clock
clk: ti: am43x: Fix boot with CONFIG_SOC_AM33XX disabled
clk: ti: dra7: return error code in failure case
clk: ti: apll: not allocating enough data
This week's arm-soc fixes:
- Another set of OMAP fixes
* Clock fixes
* Restart handling
* PHY regulators
* SATA hwmod data for DRA7
+ Some trivial fixes and removal of a bit of dead code
- Exynos fixes
* A bunch of clock fixes
* Some SMP fixes
* Exynos multi-core timer: register as clocksource and fix ftrace.
+ a few other minor fixes
There's also a couple more patches, and at91 fix for USB caused by common
clock conversion, and more MAINTAINERS entries for shmobile.
We're definitely switching to only regression fixes from here on out,
we've been a little less strict than usual up until now.
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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:
"This week's arm-soc fixes:
- Another set of OMAP fixes
* Clock fixes
* Restart handling
* PHY regulators
* SATA hwmod data for DRA7
+ Some trivial fixes and removal of a bit of dead code
- Exynos fixes
* A bunch of clock fixes
* Some SMP fixes
* Exynos multi-core timer: register as clocksource and fix ftrace.
+ a few other minor fixes
There's also a couple more patches, and at91 fix for USB caused by
common clock conversion, and more MAINTAINERS entries for shmobile.
We're definitely switching to only regression fixes from here on out,
we've been a little less strict than usual up until now"
* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (26 commits)
ARM: at91: at91sam9x5: add clocks for usb device
ARM: EXYNOS: Register cpuidle device only on exynos4210 and 5250
ARM: dts: Add clock property for mfc_pd in exynos5420
clk: exynos5420: Add IDs for clocks used in PD mfc
ARM: EXYNOS: Add support for clock handling in power domain
ARM: OMAP2+: Remove non working OMAP HDMI audio initialization
ARM: imx: fix shared gate clock
ARM: dts: Update the parent for Audss clocks in Exynos5420
ARM: EXYNOS: Update secondary boot addr for secure mode
ARM: dts: Fix TI CPSW Phy mode selection on IGEP COM AQUILA.
ARM: dts: am335x-evmsk: Enable the McASP FIFO for audio
ARM: dts: am335x-evm: Enable the McASP FIFO for audio
ARM: OMAP2+: Make GPMC skip disabled devices
ARM: OMAP2+: create dsp device only on OMAP3 SoCs
ARM: dts: dra7-evm: Make VDDA_1V8_PHY supply always on
ARM: DRA7/AM43XX: fix header definition for omap44xx_restart
ARM: OMAP2+: clock/dpll: fix _dpll_test_fint arithmetics overflow
ARM: DRA7: hwmod: Add SYSCONFIG for usb_otg_ss
ARM: DRA7: hwmod: Fixup SATA hwmod
ARM: OMAP3: PRM/CM: Add back macros used by TI DSP/Bridge driver
...
Pull ARM fixes from Russell King:
"Another round of fixes for ARM:
- a set of kprobes fixes from Jon Medhurst
- fix the revision checking for the L2 cache which wasn't noticed to
have been broken"
* 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm:
ARM: l2c: fix revision checking
ARM: kprobes: Fix test code compilation errors for ARMv4 targets
ARM: kprobes: Disallow instructions with PC and register specified shift
ARM: kprobes: Prevent known test failures stopping other tests running
Pull m68k fixes from Geert Uytterhoeven:
"Summary:
- Fix for a boot regression introduced in v3.16-rc1,
- Fix for a build issue in -next"
Christoph Hellwig questioned why mach_random_get_entropy should be
exported to modules, and Geert explains that random_get_entropy() is
called by at least the crypto layer and ends up using it on m68k. On
most other architectures it just uses get_cycles() (which is typically
inlined and doesn't need exporting),
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k:
m68k: Export mach_random_get_entropy to modules
m68k: Fix boot regression on machines with RAM at non-zero
Pull parisc fixes from Helge Deller:
"The major patch in here is one which fixes the fanotify_mark() syscall
in the compat layer of the 64bit parisc kernel. It went unnoticed so
long, because the calling syntax when using a 64bit parameter in a
32bit syscall is quite complex and even worse, it may be even
different if you call syscall() or the glibc wrapper. This patch
makes the kernel accept the calling convention when called by the
glibc wrapper.
The other two patches are trivial and remove unused headers, #includes
and adds the serial ports of the fastest C8000 workstation to the
parisc-kernel internal hardware database"
* 'parisc-3.16-5' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
parisc: drop unused defines and header includes
parisc: fix fanotify_mark() syscall on 32bit compat kernel
parisc: add serial ports of C8000/1GHz machine to hardware database
Commit b3d681a4fc ("firewire: Use
COMPILE_TEST for build testing") added COMPILE_TEST as an alternative
dependency for the purpose of build testing the firewire core.
However, this bypasses all other implicit dependencies assumed by PCI,
like HAS_DMA.
If NO_DMA=y:
drivers/built-in.o: In function `fw_iso_buffer_destroy':
(.text+0x36a096): undefined reference to `dma_unmap_page'
drivers/built-in.o: In function `fw_iso_buffer_map_dma':
(.text+0x36a164): undefined reference to `dma_map_page'
drivers/built-in.o: In function `fw_iso_buffer_map_dma':
(.text+0x36a172): undefined reference to `dma_mapping_error'
drivers/built-in.o: In function `sbp2_send_management_orb':
sbp2.c:(.text+0x36c6b4): undefined reference to `dma_map_single'
sbp2.c:(.text+0x36c6c8): undefined reference to `dma_mapping_error'
sbp2.c:(.text+0x36c772): undefined reference to `dma_map_single'
sbp2.c:(.text+0x36c786): undefined reference to `dma_mapping_error'
sbp2.c:(.text+0x36c854): undefined reference to `dma_unmap_single'
sbp2.c:(.text+0x36c872): undefined reference to `dma_unmap_single'
drivers/built-in.o: In function `sbp2_map_scatterlist':
sbp2.c:(.text+0x36ccbc): undefined reference to `scsi_dma_map'
sbp2.c:(.text+0x36cd36): undefined reference to `dma_map_single'
sbp2.c:(.text+0x36cd4e): undefined reference to `dma_mapping_error'
sbp2.c:(.text+0x36cd84): undefined reference to `scsi_dma_unmap'
drivers/built-in.o: In function `sbp2_unmap_scatterlist':
sbp2.c:(.text+0x36cda6): undefined reference to `scsi_dma_unmap'
sbp2.c:(.text+0x36cdc6): undefined reference to `dma_unmap_single'
drivers/built-in.o: In function `complete_command_orb':
sbp2.c:(.text+0x36d6ac): undefined reference to `dma_unmap_single'
drivers/built-in.o: In function `sbp2_scsi_queuecommand':
sbp2.c:(.text+0x36d8e0): undefined reference to `dma_map_single'
sbp2.c:(.text+0x36d8f6): undefined reference to `dma_mapping_error'
Add an explicit dependency on HAS_DMA to fix this.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
The uarts only work when the parent is ras_ahb_clk. The stale 3.5
based ST tree does this in the board file.
Add it to the clk init function. Not pretty, but the mess there is
amazing anyway.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
The control register is at offset 0x10, not 0x0. This is wreckaged
since commit 5df33a62c (SPEAr: Switch to common clock framework).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: stable@vger.kernel.org
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
On parisc we can not use the existing compat implementation for fanotify_mark()
because for the 64bit mask parameter the higher and lower 32bits are ordered
differently than what the compat function expects from big endian
architectures.
Specifically:
It finally turned out, that on hppa we end up with different assignments
of parameters to kernel arguments depending on if we call the glibc
wrapper function
int fanotify_mark (int __fanotify_fd, unsigned int __flags,
uint64_t __mask, int __dfd, const char *__pathname);
or directly calling the syscall manually
syscall(__NR_fanotify_mark, ...)
Reason is, that the syscall() function is implemented as C-function and
because we now have the sysno as first parameter in front of the other
parameters the compiler will unexpectedly add an empty paramenter in
front of the u64 value to ensure the correct calling alignment for 64bit
values.
This means, on hppa you can't simply use syscall() to call the kernel
fanotify_mark() function directly, but you have to use the glibc
function instead.
This patch fixes the kernel in the hppa-arch specifc coding to adjust
the parameters in a way as if userspace calls the glibc wrapper function
fanotify_mark().
Signed-off-by: Helge Deller <deller@gmx.de>
Cc: stable@vger.kernel.org # 3.13+
Pull slave-dmaengine fixes from Vinod Koul:
"We have two small fixes. First one from Daniel to handle 0-length
packets for usb cppi dma. Second by Russell for imx-sdam cyclic
residue reporting"
* 'fixes' of git://git.infradead.org/users/vkoul/slave-dma:
Update imx-sdma cyclic handling to report residue
dma: cppi41: handle 0-length packets
- update the parent for Auudss clock because kernel will be hang
during late boot if the parent clock is disabled in bootloader.
- enable clk handing in power domain because while power domain
on/off, its regarding clock source will be reset and it causes
a problem so need to handle it.
- add mux clocks to be used by power domain for exynos5420-mfc
during power domain on/off and property in device tree also.
- register cpuidle only for exynos4210 and exynos5250 because a
system failure will be happened on other exynos SoCs.
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Merge tag 'samsung-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into fixes
Merge "Samsung fixes-3 for 3.16" from Kukjin Kim:
Samsung fixes-3 for v3.16
- update the parent for Auudss clock because kernel will be hang
during late boot if the parent clock is disabled in bootloader.
- enable clk handing in power domain because while power domain
on/off, its regarding clock source will be reset and it causes
a problem so need to handle it.
- add mux clocks to be used by power domain for exynos5420-mfc
during power domain on/off and property in device tree also.
- register cpuidle only for exynos4210 and exynos5250 because a
system failure will be happened on other exynos SoCs.
* tag 'samsung-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
ARM: EXYNOS: Register cpuidle device only on exynos4210 and 5250
ARM: dts: Add clock property for mfc_pd in exynos5420
clk: exynos5420: Add IDs for clocks used in PD mfc
ARM: EXYNOS: Add support for clock handling in power domain
ARM: dts: Update the parent for Audss clocks in Exynos5420
Signed-off-by: Olof Johansson <olof@lixom.net>
Here are some small USB fixes, PHY driver fixes (they ended up in this
tree for lack of somewhere else to put them), and some new USB device
ids.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-3.16-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are some small USB fixes, PHY driver fixes (they ended up in this
tree for lack of somewhere else to put them), and some new USB device
ids"
* tag 'usb-3.16-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
phy: omap-usb2: Balance pm_runtime_enable() on probe failure and remove
phy: core: Fix error path in phy_create()
drivers: phy: phy-samsung-usb2.c: Add missing MODULE_DEVICE_TABLE
phy: omap-usb2: fix devm_ioremap_resource error detection code
phy: sun4i: depend on RESET_CONTROLLER
USB: serial: ftdi_sio: Add Infineon Triboard
USB: ftdi_sio: Add extra PID.
usb: option: Add ID for Telewell TW-LTE 4G v2
USB: cp210x: add support for Corsair usb dongle
Here are some small serial fixes that resolve some reported problems
that started in 3.15 with some serial drivers. And there's a new dt
binding for a serial driver, which was all that was needed for the
renesas serial driver.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-3.16-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial fixes from Greg KH:
"Here are some small serial fixes that resolve some reported problems
that started in 3.15 with some serial drivers.
And there's a new dt binding for a serial driver, which was all that
was needed for the renesas serial driver"
* tag 'tty-3.16-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
serial: sh-sci: Add device tree support for r8a7{778,740,3a4} and sh73a0
serial: imx: Fix build breakage
serial: arc_uart: Use uart_circ_empty() for open-coded comparison
serial: Test for no tx data on tx restart
Here are 2 hyperv driver fixes, and one i8k driver fix for 3.16.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-3.16-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg KH:
"Here are two hyperv driver fixes, and one i8k driver fix for 3.16"
* tag 'char-misc-3.16-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
i8k: Fix non-SMP operation
Drivers: hv: util: Fix a bug in the KVP code
Drivers: hv: vmbus: Fix a bug in the channel callback dispatch code
Here are some IIO driver fixes for 3.16-rc5. Nothing major, just
resolves some minor issues that have been reported.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-3.16-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull IIO fixes from Greg KH:
"Here are some IIO driver fixes for 3.16-rc5. Nothing major, just
resolves some minor issues that have been reported"
* tag 'staging-3.16-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
iio: ti_am335x_adc: Fix: Use same step id at FIFOs both ends
iio:tcs3472: Check for buffer enabled and locking
iio: hid-sensor-prox: Fix return values
iio: hid-sensor-gyro-3d: Fix return values
iio: hid-sensor-als: Fix return values
iio: hid-sensor-magn-3d: Fix return values
iio: hid-sensor-accel-3d: Fix return values
iio: hid-sensor-press: Fix return values
Dell kernel driver dell-smo8800 provides same freefall interface as hp_accel so
program hpfall.c works also on Dell laptops. So rename it to freefall.c.
Dell driver does not provide hp::hddprotect led so make sure that freefall.c
works also if hp::hddprotect does not exist in sysfs.
Additionally write info to syslog.
Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
Cc: Sonal Santan <sonal.santan@gmail.com>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This patch fixed spelling typo in various template files
within Documentation/Docbook.
Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This patch fixed spelling typo found in DocBook/mtdnand.tmpl.
Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Object-like macros are different than function-like macros:
https://gcc.gnu.org/onlinedocs/cpp/Object-like-Macros.htmlhttps://gcc.gnu.org/onlinedocs/cpp/Function-like-Macros.html
They are not parsed correctly, generating invalid intermediate
files (xmls) for cases like:
#define BIT_MASK (0xFF << BIT_SHIFT)
where "OxFF <<" is considered to be parameter type.
When parsing, we can differentiate beween these two types of macros by
checking whether there is at least one whitespace b/w "#define" and
first opening parenthesis.
Signed-off-by: Horia Geanta <horia.geanta@freescale.com>
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The paragraph on mcelog currently describes kernel v2.6.31. In that
kernel the mce code (for i386, that is) was in transition. Ever since
v2.6.32 the situation is much simpler (eg, mcelog is now needed to
process events on almost all x86 machines, i386 and x86-64). Since this
"document is designed to provide a list of the minimum levels of
software necessary to run the 3.0 kernels" let's just describe that
situation.
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Acked-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Add clocks for usb device, or else switch to CCF, the gadget
won't work.
Reported-by: Jiri Prchal <jiri.prchal@aksignal.cz>
Signed-off-by: Bo Shen <voice.shen@atmel.com>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Tested-by: Jiri Prchal <jiri.prchal@aksignal.cz>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
If probe fails then we need to call pm_runtime_disable() to balance
out the previous pm_runtime_enable() call. Else it will cause
unbalanced pm_runtime_enable() call in the succeding probe call.
This anomaly was observed when the call to devm_phy_create() failed
with -EPROBE_DEFER.
Balance out the pm_runtime_enable() call in .remove() as well.
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Prevent resources from being freed twice in case device_add() call
fails within phy_create(). Also use ida_simple_remove() instead of
ida_remove() as we had used ida_simple_get() to allocate the ida.
Cc: 3.13+ <stable@vger.kernel.org> # 3.13+
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Allow phy-exynos-usb2 to be autoloaded based on devicetree information.
Tested on Odroid X2 with its USB subsystem build as modules.
Signed-off-by: Sjoerd Simons <sjoerd.simons@collabora.co.uk>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
