Commit Graph

858756 Commits

Author SHA1 Message Date
Diwakar Sharma
2bd4290f6b media: staging: media: davinci_vpfe: use __func__ for function names
Checkpatch reported warnings for use of embedded function names.
Use __func__ instead of embedded function names.

[mchehab+samsung@kernel.org: rebased on the top of upstream]
Signed-off-by: Diwakar Sharma <sharmalxmail@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2019-05-29 16:45:02 -04:00
Sakari Ailus
dd9a00ab9c media: omap3isp: Call video_unregister_device() unconditionally
video_unregister_device() can be called on a never or an already
unregistered device. Drop the redundant check.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2019-05-29 16:39:52 -04:00
Sakari Ailus
814434984a media: omap3isp: Don't rely on devm for memory resource management
devm functions are fine for managing resources that are directly related
to the device at hand and that have no other dependencies. However, a
process holding a file handle to a device created by a driver for a device
may result in the file handle left behind after the device is long gone.
This will result in accessing released (and potentially reallocated)
memory.

Instead, manage the memory resources in the driver. Releasing the
resources can be later on bound to e.g. by releasing a reference.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2019-05-29 16:39:52 -04:00
Arushi Singhal
f42292040d media: staging: media: davinci_vpfe: Replace a bit shift
This patch replaces bit shifting on 1 with the BIT(x) macro.
This was done with coccinelle:
@@
constant c;
@@

-1 << c
+BIT(c)

[mchehab+samsung@kernel.org: rebase on the top of upstream]
Signed-off-by: Arushi Singhal <arushisinghal19971997@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2019-05-29 16:39:52 -04:00
Shailendra Verma
6995a65910 media: staging: media: davinci_vpfe: - Fix for memory leak if decoder initialization fails.
Fix to avoid possible memory leak if the decoder initialization
got failed.Free the allocated memory for file handle object
before return in case decoder initialization fails.

Signed-off-by: Shailendra Verma <shailendra.v@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2019-05-29 16:39:47 -04:00
Jes Sorensen
41de54c648 blk-mq: Fix memory leak in error handling
If blk_mq_init_allocated_queue() fails, make sure to free the poll
stat callback struct allocated.

Signed-off-by: Jes Sorensen <jsorensen@fb.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2019-05-29 14:33:04 -06:00
Herbert Xu
279758f800 rhashtable: Add rht_ptr_rcu and improve rht_ptr
This patch moves common code between rht_ptr and rht_ptr_exclusive
into __rht_ptr.  It also adds a new helper rht_ptr_rcu exclusively
for the RCU case.  This way rht_ptr becomes a lock-only construct
so we can use the lighter rcu_dereference_protected primitive.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-29 13:27:08 -07:00
Shuah Khan
3ea3091f1b usbip: usbip_host: fix stub_dev lock context imbalance regression
Fix the following sparse context imbalance regression introduced in
a patch that fixed sleeping function called from invalid context bug.

kbuild test robot reported on:

tree/branch: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git  usb-linus

Regressions in current branch:

drivers/usb/usbip/stub_dev.c:399:9: sparse: sparse: context imbalance in 'stub_probe' - different lock contexts for basic block
drivers/usb/usbip/stub_dev.c:418:13: sparse: sparse: context imbalance in 'stub_disconnect' - different lock contexts for basic block
drivers/usb/usbip/stub_dev.c:464:1-10: second lock on line 476

Error ids grouped by kconfigs:

recent_errors
├── i386-allmodconfig
│   └── drivers-usb-usbip-stub_dev.c:second-lock-on-line
├── x86_64-allmodconfig
│   ├── drivers-usb-usbip-stub_dev.c:sparse:sparse:context-imbalance-in-stub_disconnect-different-lock-contexts-for-basic-block
│   └── drivers-usb-usbip-stub_dev.c:sparse:sparse:context-imbalance-in-stub_probe-different-lock-contexts-for-basic-block
└── x86_64-allyesconfig
    └── drivers-usb-usbip-stub_dev.c:second-lock-on-line

This is a real problem in an error leg where spin_lock() is called on an
already held lock.

Fix the imbalance in stub_probe() and stub_disconnect().

Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Fixes: 0c9e8b3cad ("usbip: usbip_host: fix BUG: sleeping function called from invalid context")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-29 13:26:32 -07:00
Jisheng Zhang
af64935213 net: stmmac: use dev_info() before netdev is registered
Before the netdev is registered, calling netdev_info() will emit
something as "(unnamed net device) (uninitialized)", looks confusing.

Before this patch:
[    3.155028] stmmaceth f7b60000.ethernet (unnamed net_device) (uninitialized): device MAC address 52:1a:55:18:9e:9d

After this patch:
[    3.155028] stmmaceth f7b60000.ethernet: device MAC address 52:1a:55:18:9e:9d

Signed-off-by: Jisheng Zhang <Jisheng.Zhang@synaptics.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-29 13:26:18 -07:00
Colin Ian King
1b3855aba8 qed: fix spelling mistake "inculde" -> "include"
There is a spelling mistake in a DP_INFO message. Fix it.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Michal Kalderon <michal.kalderon@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-29 13:25:43 -07:00
Yoshihiro Shimoda
315ca92dd8 net: sh_eth: fix mdio access in sh_eth_close() for R-Car Gen2 and RZ/A1 SoCs
The sh_eth_close() resets the MAC and then calls phy_stop()
so that mdio read access result is incorrect without any error
according to kernel trace like below:

ifconfig-216   [003] .n..   109.133124: mdio_access: ee700000.ethernet-ffffffff read  phy:0x01 reg:0x00 val:0xffff

According to the hardware manual, the RMII mode should be set to 1
before operation the Ethernet MAC. However, the previous code was not
set to 1 after the driver issued the soft_reset in sh_eth_dev_exit()
so that the mdio read access result seemed incorrect. To fix the issue,
this patch adds a condition and set the RMII mode register in
sh_eth_dev_exit() for R-Car Gen2 and RZ/A1 SoCs.

Note that when I have tried to move the sh_eth_dev_exit() calling
after phy_stop() on sh_eth_close(), but it gets worse (kernel panic
happened and it seems that a register is accessed while the clock is
off).

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-29 13:24:54 -07:00
Masahiro Yamada
3616862882 MIPS: replace MBIT_ULL() with BIT_ULL()
Commit 8bd9cb51da ("locking/atomics, asm-generic: Move some macros
from <linux/bitops.h> to a new <linux/bits.h> file") moved BIT_ULL()
into <linux/bits.h>. It only includes <asm/bitsperlong.h>, so there is
no longer "include file recursion hell".

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Paul Burton <paul.burton@mips.com>
Cc: linux-mips@vger.kernel.org
Cc: James Hogan <jhogan@kernel.org>
Cc: Huacai Chen <chenhc@lemote.com>
Cc: linux-kernel@vger.kernel.org
Cc: Ralf Baechle <ralf@linux-mips.org>
2019-05-29 13:23:09 -07:00
YueHaibing
f532beeeff MIPS: uprobes: remove set but not used variable 'epc'
Fixes gcc '-Wunused-but-set-variable' warning:

arch/mips/kernel/uprobes.c: In function 'arch_uprobe_pre_xol':
arch/mips/kernel/uprobes.c:115:17: warning: variable 'epc' set but not used [-Wunused-but-set-variable]

It's never used since introduction in
commit 40e084a506 ("MIPS: Add uprobes support.")

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Paul Burton <paul.burton@mips.com>
Cc: <ralf@linux-mips.org>
Cc: <jhogan@kernel.org>
Cc: <linux-kernel@vger.kernel.org>
Cc: <linux-mips@vger.kernel.org>
2019-05-29 13:20:30 -07:00
Linus Torvalds
2b28601d62 Merge tag 'linux-kselftest-5.2-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull Kselftest fixes from Shuah Khan:

 - Alexandre Belloni's fixes to rtc regressions introduced in kselftest
   Makefile test run output refactoring work from Kees Cook.

 - ftrace test checkbashisms fixes from Masami Hiramatsu

* tag 'linux-kselftest-5.2-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
  selftests: rtc: rtctest: specify timeouts
  selftests/harness: Allow test to configure timeout
  selftests/ftrace: Add checkbashisms meta-testcase
  selftests/ftrace: Make a script checkbashisms clean
2019-05-29 13:20:02 -07:00
Harald Freudenberger
1c2c7029c0 s390/crypto: fix possible sleep during spinlock aquired
This patch fixes a complain about possible sleep during
spinlock aquired
"BUG: sleeping function called from invalid context at
include/crypto/algapi.h:426"
for the ctr(aes) and ctr(des) s390 specific ciphers.

Instead of using a spinlock this patch introduces a mutex
which is save to be held in sleeping context. Please note
a deadlock is not possible as mutex_trylock() is used.

Signed-off-by: Harald Freudenberger <freude@linux.ibm.com>
Reported-by: Julian Wiedmann <jwi@linux.ibm.com>
Cc: stable@vger.kernel.org
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
2019-05-29 21:13:10 +02:00
Paul Burton
e4f2d1af71 MIPS: pistachio: Build uImage.gz by default
The pistachio platform uses the U-Boot bootloader & generally boots a
kernel in the uImage format. As such it's useful to build one when
building the kernel, but to do so currently requires the user to
manually specify a uImage target on the make command line.

Make uImage.gz the pistachio platform's default build target, so that
the default is to build a kernel image that we can actually boot on a
board such as the MIPS Creator Ci40.

Marked for stable backport as far as v4.1 where pistachio support was
introduced. This is primarily useful for CI systems such as kernelci.org
which will benefit from us building a suitable image which can then be
booted as part of automated testing, extending our test coverage to the
affected stable branches.

Signed-off-by: Paul Burton <paul.burton@mips.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Kevin Hilman <khilman@baylibre.com>
Tested-by: Kevin Hilman <khilman@baylibre.com>
URL: https://groups.io/g/kernelci/message/388
Cc: stable@vger.kernel.org # v4.1+
Cc: linux-mips@vger.kernel.org
2019-05-29 12:05:23 -07:00
Paul Burton
31875a5432 MIPS: Make virt_addr_valid() return bool
virt_addr_valid() really returns a boolean value, but currently uses an
integer to represent it. Switch to the bool type to make it clearer that
we really are returning a true or false value.

Signed-off-by: Paul Burton <paul.burton@mips.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Cc: linux-mips@vger.kernel.org
2019-05-29 12:04:44 -07:00
Paul Burton
074a1e1167 MIPS: Bounds check virt_addr_valid
The virt_addr_valid() function is meant to return true iff
virt_to_page() will return a valid struct page reference. This is true
iff the address provided is found within the unmapped address range
between PAGE_OFFSET & MAP_BASE, but we don't currently check for that
condition. Instead we simply mask the address to obtain what will be a
physical address if the virtual address is indeed in the desired range,
shift it to form a PFN & then call pfn_valid(). This can incorrectly
return true if called with a virtual address which, after masking,
happens to form a physical address corresponding to a valid PFN.

For example we may vmalloc an address in the kernel mapped region
starting a MAP_BASE & obtain the virtual address:

  addr = 0xc000000000002000

When masked by virt_to_phys(), which uses __pa() & in turn CPHYSADDR(),
we obtain the following (bogus) physical address:

  addr = 0x2000

In a common system with PHYS_OFFSET=0 this will correspond to a valid
struct page which should really be accessed by virtual address
PAGE_OFFSET+0x2000, causing virt_addr_valid() to incorrectly return 1
indicating that the original address corresponds to a struct page.

This is equivalent to the ARM64 change made in commit ca219452c6
("arm64: Correctly bounds check virt_addr_valid").

This fixes fallout when hardened usercopy is enabled caused by the
related commit 517e1fbeb6 ("mm/usercopy: Drop extra
is_vmalloc_or_module() check") which removed a check for the vmalloc
range that was present from the introduction of the hardened usercopy
feature.

Signed-off-by: Paul Burton <paul.burton@mips.com>
References: ca219452c6 ("arm64: Correctly bounds check virt_addr_valid")
References: 517e1fbeb6 ("mm/usercopy: Drop extra is_vmalloc_or_module() check")
Reported-by: Julien Cristau <jcristau@debian.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Tested-by: YunQiang Su <ysu@wavecomp.com>
URL: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=929366
Cc: stable@vger.kernel.org # v4.12+
Cc: linux-mips@vger.kernel.org
Cc: Yunqiang Su <ysu@wavecomp.com>
2019-05-29 12:04:18 -07:00
Roberto Bergantinos Corpas
31fad7d41e CIFS: cifs_read_allocate_pages: don't iterate through whole page array on ENOMEM
In cifs_read_allocate_pages, in case of ENOMEM, we go through
whole rdata->pages array but we have failed the allocation before
nr_pages, therefore we may end up calling put_page with NULL
pointer, causing oops

Signed-off-by: Roberto Bergantinos Corpas <rbergant@redhat.com>
Acked-by: Pavel Shilovsky <pshilov@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
CC: Stable <stable@vger.kernel.org>
2019-05-29 14:02:11 -05:00
Linus Torvalds
9e82b4a91d Merge tag 'trace-v5.2-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull tracing fix from Steven Rostedt:
 "This fixes a memory leak from the error path in the event filter
  logic"

* tag 'trace-v5.2-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
  tracing: Avoid memory leak in predicate_parse()
2019-05-29 11:26:40 -07:00
Quentin Monnet
501b125a29 libbpf: prevent overwriting of log_level in bpf_object__load_progs()
There are two functions in libbpf that support passing a log_level
parameter for the verifier for loading programs:
bpf_object__load_xattr() and bpf_prog_load_xattr(). Both accept an
attribute object containing the log_level, and apply it to the programs
to load.

It turns out that to effectively load the programs, the latter function
eventually relies on the former. This was not taken into account when
adding support for log_level in bpf_object__load_xattr(), and the
log_level passed to bpf_prog_load_xattr() later gets overwritten with a
zero value, thus disabling verifier logs for the program in all cases:

bpf_prog_load_xattr()             // prog->log_level = attr1->log_level;
-> bpf_object__load()             // attr2->log_level = 0;
   -> bpf_object__load_xattr()    // <pass prog and attr2>
      -> bpf_object__load_progs() // prog->log_level = attr2->log_level;

Fix this by OR-ing the log_level in bpf_object__load_progs(), instead of
overwriting it.

v2: Fix commit log description (confusion on function names in v1).

Fixes: 60276f9849 ("libbpf: add bpf_object__load_xattr() API function to pass log_level")
Reported-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Quentin Monnet <quentin.monnet@netronome.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2019-05-29 19:36:55 +02:00
Imre Deak
d8fd372220 drm/mst: Fix MST sideband up-reply failure handling
Fix the breakage resulting in the stacktrace below, due to tx queue
being full when trying to send an up-reply. txmsg->seqno is -1 in this
case leading to a corruption of the mstb object by

	txmsg->dst->tx_slots[txmsg->seqno] = NULL;

in process_single_up_tx_qlock().

[  +0,005162] [drm:process_single_tx_qlock [drm_kms_helper]] set_hdr_from_dst_qlock: failed to find slot
[  +0,000015] [drm:drm_dp_send_up_ack_reply.constprop.19 [drm_kms_helper]] failed to send msg in q -11
[  +0,000939] BUG: kernel NULL pointer dereference, address: 00000000000005a0
[  +0,006982] #PF: supervisor write access in kernel mode
[  +0,005223] #PF: error_code(0x0002) - not-present page
[  +0,005135] PGD 0 P4D 0
[  +0,002581] Oops: 0002 [#1] PREEMPT SMP NOPTI
[  +0,004359] CPU: 1 PID: 1200 Comm: kworker/u16:3 Tainted: G     U            5.2.0-rc1+ #410
[  +0,008433] Hardware name: Intel Corporation Ice Lake Client Platform/IceLake U DDR4 SODIMM PD RVP, BIOS ICLSFWR1.R00.3175.A00.1904261428 04/26/2019
[  +0,013323] Workqueue: i915-dp i915_digport_work_func [i915]
[  +0,005676] RIP: 0010:queue_work_on+0x19/0x70
[  +0,004372] Code: ff ff ff 0f 1f 40 00 66 2e 0f 1f 84 00 00 00 00 00 41 56 49 89 f6 41 55 41 89 fd 41 54 55 53 48 89 d3 9c 5d fa e8 e7 81 0c 00 <f0> 48 0f ba 2b 00 73 31 45 31 e4 f7 c5 00 02 00 00 74 13 e8 cf 7f
[  +0,018750] RSP: 0018:ffffc900007dfc50 EFLAGS: 00010006
[  +0,005222] RAX: 0000000000000046 RBX: 00000000000005a0 RCX: 0000000000000001
[  +0,007133] RDX: 000000000001b608 RSI: 0000000000000000 RDI: ffffffff82121972
[  +0,007129] RBP: 0000000000000202 R08: 0000000000000000 R09: 0000000000000001
[  +0,007129] R10: 0000000000000000 R11: 0000000000000000 R12: ffff88847bfa5096
[  +0,007131] R13: 0000000000000010 R14: ffff88849c08f3f8 R15: 0000000000000000
[  +0,007128] FS:  0000000000000000(0000) GS:ffff88849dc80000(0000) knlGS:0000000000000000
[  +0,008083] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  +0,005749] CR2: 00000000000005a0 CR3: 0000000005210006 CR4: 0000000000760ee0
[  +0,007128] PKRU: 55555554
[  +0,002722] Call Trace:
[  +0,002458]  drm_dp_mst_handle_up_req+0x517/0x540 [drm_kms_helper]
[  +0,006197]  ? drm_dp_mst_hpd_irq+0x5b/0x9c0 [drm_kms_helper]
[  +0,005764]  drm_dp_mst_hpd_irq+0x5b/0x9c0 [drm_kms_helper]
[  +0,005623]  ? intel_dp_hpd_pulse+0x205/0x370 [i915]
[  +0,005018]  intel_dp_hpd_pulse+0x205/0x370 [i915]
[  +0,004836]  i915_digport_work_func+0xbb/0x140 [i915]
[  +0,005108]  process_one_work+0x245/0x610
[  +0,004027]  worker_thread+0x37/0x380
[  +0,003684]  ? process_one_work+0x610/0x610
[  +0,004184]  kthread+0x119/0x130
[  +0,003240]  ? kthread_park+0x80/0x80
[  +0,003668]  ret_from_fork+0x24/0x50

Cc: Lyude Paul <lyude@redhat.com>
Cc: Dave Airlie <airlied@redhat.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190523212433.9058-1-imre.deak@intel.com
2019-05-29 20:12:34 +03:00
Andrew F. Davis
8357062148 media: videobuf-dma-contig: Use size of buffer in mmap not vma size
The size of the vma can be larger than the size of the backing buffer.
Use the buffer size over vma size to prevent exposing extra memory
to userspace.

Signed-off-by: Andrew F. Davis <afd@ti.com>
Reviewed-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2019-05-29 13:07:56 -04:00
Young Xiao
6211e44a4d media: cx231xx-dvb: fix memory leak in dvb_fini()
In dvb_init(), dev->dvb is allocated by kzalloc.
Therefore, it must be freed being set to NULL.

Signed-off-by: Young Xiao <92siuyang@gmail.com>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2019-05-29 12:58:36 -04:00
Sean Young
0547858b00 media: em28xx: use usb_to_input_id() rather than handrolling it
This also populates the version member correctly.

Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2019-05-29 12:57:37 -04:00
Sean Young
6bd914bc05 media: em28xx: use common code for decoding nec scancodes
Tested on WinTV-HVR-930C.

Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2019-05-29 12:57:01 -04:00
Sean Young
5c1c695307 media: em28xx: give RC device proper name
Give the RC device the name of the board rather than "1-2:1.0 IR".

Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2019-05-29 12:56:21 -04:00
Andrey Grodzovsky
d0f29d4980 drm/sched: Fix make htmldocs warnings.
Document the missing parameters.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1559140180-6762-1-git-send-email-andrey.grodzovsky@amd.com
2019-05-29 11:49:51 -05:00
Alan Mikhak
81cb4203a5 tools: PCI: Fix compiler warning in pcitest
Fix the following compiler warning in pcitest:

pcitest.c: In function main:
pcitest.c:214:4: warning: too many arguments for
format [-Wformat-extra-args]
    "usage: %s [options]\n"

Fixes: fbca0b284b ("tools: PCI: Add 'h' in optstring of getopt()")
Signed-off-by: Alan Mikhak <alan.mikhak@sifive.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: Paul Walmsley <paul.walmsley@sifive.com>
2019-05-29 17:44:34 +01:00
Alan Mikhak
8a5e0af240 tools: PCI: Fix broken pcitest compilation
pcitest is currently broken due to the following compiler error
and related warning. Fix by changing the run_test() function
signature to return an integer result.

pcitest.c: In function run_test:
pcitest.c:143:9: warning: return with a value, in function
returning void
  return (ret < 0) ? ret : 1 - ret; /* return 0 if test succeeded */

pcitest.c: In function main:
pcitest.c:232:9: error: void value not ignored as it ought to be
  return run_test(test);

Fixes: fef31ecaaf ("tools: PCI: Fix compilation warnings")
Signed-off-by: Alan Mikhak <alan.mikhak@sifive.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: Paul Walmsley <paul.walmsley@sifive.com>
2019-05-29 17:44:09 +01:00
Gal Pressman
2367d00e2c RDMA/efa: Remove unused includes
Remove leftover includes that are no longer used from the driver.

Reviewed-by: Firas JahJah <firasj@amazon.com>
Reviewed-by: Yossi Leybovich <sleybo@amazon.com>
Signed-off-by: Gal Pressman <galpress@amazon.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-05-29 13:20:48 -03:00
Gal Pressman
4d50e084c5 RDMA/efa: Use rdma block iterator in chunk list creation
When creating the chunks list the rdma_for_each_block() iterator is used
in order to iterate over the payload in EFA_CHUNK_PAYLOAD_SIZE (device
defined) strides.

Reviewed-by: Firas JahJah <firasj@amazon.com>
Reviewed-by: Yossi Leybovich <sleybo@amazon.com>
Reviewed-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Gal Pressman <galpress@amazon.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-05-29 13:20:48 -03:00
Gal Pressman
e0e3f39759 RDMA/efa: Remove unneeded admin commands abort flow
The admin commands abort flow is buggy (use-after-free) and not really
necessary as it is guaranteed that after ib_unregister_device() is called
there are no user verbs threads running in parallel, delete it.

Suggested-by: Jason Gunthorpe <jgg@ziepe.ca>
Reviewed-by: Firas JahJah <firasj@amazon.com>
Reviewed-by: Yossi Leybovich <sleybo@amazon.com>
Signed-off-by: Gal Pressman <galpress@amazon.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-05-29 13:14:14 -03:00
Gal Pressman
255efcaeb6 RDMA/efa: Use kvzalloc instead of kzalloc with fallback
Use kvzalloc which attempts to allocate a physically continuous buffer and
fallbacks to virtually continuous on failure instead of open coding it in
the driver.

The is_vmalloc_addr function is used to determine whether the buffer is
physically continuous or not (which determines direct vs indirect MR
registration mode).

Suggested-by: Jason Gunthorpe <jgg@ziepe.ca>
Reviewed-by: Firas JahJah <firasj@amazon.com>
Reviewed-by: Yossi Leybovich <sleybo@amazon.com>
Signed-off-by: Gal Pressman <galpress@amazon.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-05-29 13:14:14 -03:00
Gal Pressman
4f240dfec6 RDMA/efa: Remove MAYEXEC flag check from mmap flow
MAYEXEC test was mistakenly added, remove it. Checking MAYEXEC in the
driver prevents it from working with userspace that uses things like EXEC
STACK. (ie some Fortran and other runtimes)

Fixes: 40909f664d ("RDMA/efa: Add EFA verbs implementation")
Reported-by: Jason Gunthorpe <jgg@ziepe.ca>
Reviewed-by: Firas JahJah <firasj@amazon.com>
Reviewed-by: Yossi Leybovich <sleybo@amazon.com>
Signed-off-by: Gal Pressman <galpress@amazon.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-05-29 13:13:03 -03:00
Bjorn Andersson
67021ae0bb PCI: qcom: Add QCS404 PCIe controller support
The QCS404 platform contains a PCIe version 2.4.0 controller and a
Qualcomm PCIe2 PHY. The driver already supports version 2.4.0, for the
IPQ4019, but this support touches clocks and resets related to the PHY
as well and there's no upstream driver for the PHY.

On QCS404 we must initialize the PHY, so a separate PHY driver is
implemented to take care of this and the controller driver is updated to
not require the PHY related resources. This is done by relying on the
fact that operations in both the clock and reset framework are NOPs when
passed NULL, so we can isolate this change to only the
qcom_pcie_get_resources_2_4_0() function.

For QCS404 we also need to enable the AHB (iface) clock, in order to
access the register space of the controller, but as this is not part of
the IPQ4019 DT binding this is only added for new users of the 2.4.0
controller.

Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: Niklas Cassel <niklas.cassel@linaro.org>
Reviewed-by: Vinod Koul <vkoul@kernel.org>
Acked-by: Stanimir Varbanov <svarbanov@mm-sol.com>
2019-05-29 17:12:35 +01:00
Bjorn Andersson
29a50257a9 dt-bindings: PCI: qcom: Add QCS404 to the binding
The Qualcomm QCS404 platform contains a PCIe controller, add this to the
Qualcomm PCI binding document. The controller is the same version as the
one used in IPQ4019, but the PHY part is described separately, hence the
difference in clocks and resets.

Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Vinod Koul <vkoul@kernel.org>
2019-05-29 17:12:24 +01:00
Bjorn Andersson
5aa180974e PCI: qcom: Use clk bulk API for 2.4.0 controllers
Before introducing the QCS404 platform, which uses the same PCIe
controller as IPQ4019, migrate this to use the bulk clock API, in order
to make the error paths slighly cleaner.

Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: Niklas Cassel <niklas.cassel@linaro.org>
Reviewed-by: Vinod Koul <vkoul@kernel.org>
Acked-by: Stanimir Varbanov <svarbanov@mm-sol.com>
2019-05-29 17:12:24 +01:00
Michal Kubecek
37eb86c450 mlx5: avoid 64-bit division
Commit 25c13324d0 ("IB/mlx5: Add steering SW ICM device memory type")
breaks i386 build by introducing three 64-bit divisions. As the divisor is
MLX5_SW_ICM_BLOCK_SIZE() which is always a power of 2, we can replace the
division with bit operations.

Fixes: 25c13324d0 ("IB/mlx5: Add steering SW ICM device memory type")
Signed-off-by: Michal Kubecek <mkubecek@suse.cz>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-05-29 13:03:21 -03:00
Dennis Dalessandro
5f5e4eb4fb IB/hfi1: Remove extra brackets from an if
A recent patch to hfi1 left behind a checkpatch error.

Fixes: fb24ea52f7 ("drivers: Remove explicit invocations of mmiowb()")
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-05-29 12:59:48 -03:00
Kamenee Arumugam
97736f36db IB/hfi1: Validate page aligned for a given virtual address
User applications can register memory regions for TID buffers that are not
aligned on page boundaries. Hfi1 is expected to pin those pages in memory
and cache the pages with mmu_rb. The rb tree will fail to insert pages
that are not aligned correctly.

Validate whether a given virtual address is page aligned before pinning.

Fixes: 7e7a436ecb ("staging/hfi1: Add TID entry program function body")
Reviewed-by: Michael J. Ruhl <michael.j.ruhl@intel.com>
Signed-off-by: Kamenee Arumugam <kamenee.arumugam@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-05-29 12:56:05 -03:00
Mike Marciniszyn
35164f5259 IB/{qib, hfi1, rdmavt}: Correct ibv_devinfo max_mr value
The command 'ibv_devinfo -v' reports 0 for max_mr.

Fix by assigning the query values after the mr lkey_table has been built
rather than early on in the driver.

Fixes: 7b1e2099ad ("IB/rdmavt: Move memory registration into rdmavt")
Reviewed-by: Josh Collier <josh.d.collier@intel.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-05-29 12:56:05 -03:00
Mike Marciniszyn
6d517353c7 IB/hfi1: Insure freeze_work work_struct is canceled on shutdown
By code inspection, the freeze_work is never canceled.

Fix by adding a cancel_work_sync in the shutdown path to insure it is no
longer running.

Fixes: 7724105686 ("IB/hfi1: add driver files")
Reviewed-by: Michael J. Ruhl <michael.j.ruhl@intel.com>
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-05-29 12:56:05 -03:00
Mike Marciniszyn
2abae62a26 IB/rdmavt: Fix alloc_qpn() WARN_ON()
The qpn allocation logic has a WARN_ON() that intends to detect the use of
an index that will introduce bits in the lower order bits of the QOS bits
in the QPN.

Unfortunately, it has the following bugs:
- it misfires when wrapping QPN allocation for non-QOS
- it doesn't correctly detect low order QOS bits (despite the comment)

The WARN_ON() should not be applied to non-QOS (qos_shift == 1).

Additionally, it SHOULD test the qpn bits per the table below:

2 data VLs:   [qp7, qp6, qp5, qp4, qp3, qp2, qp1] ^
              [  0,   0,   0,   0,   0,   0, sc0],  qp bit 1 always 0*
3-4 data VLs: [qp7, qp6, qp5, qp4, qp3, qp2, qp1] ^
              [  0,   0,   0,   0,   0, sc1, sc0], qp bits [21] always 0
5-8 data VLs: [qp7, qp6, qp5, qp4, qp3, qp2, qp1] ^
              [  0,   0,   0,   0, sc2, sc1, sc0] qp bits [321] always 0

Fix by qualifying the warning for qos_shift > 1 and producing the correct
mask to insure the above bits are zero without generating a superfluous
warning.

Fixes: 501edc4244 ("IB/rdmavt: Correct warning during QPN allocation")
Reviewed-by: Kaike Wan <kaike.wan@intel.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-05-29 12:56:05 -03:00
Chris Wilson
7f5f228008 drm/i915/gtt: Avoid overflowing the WC stash
An interesting issue cropped with making the pagetables be allocated and
freed concurrently (i.e. removing their grandeous struct_mutex guard)
was that we would overflow the page stash. This happens when we have
multiple allocators grabbing WC pages such that we fill the vm's local
page stash and then when we free another page, the page stash is already
full and we overflow.

The fix is quite simple: to check for a full page stash before adding
another. This results in us keeping a vm local page stash around for
much longer, which is both a blessing and a curse.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Matthew Auld <matthew.auld@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190529093407.31697-1-chris@chris-wilson.co.uk
2019-05-29 16:42:38 +01:00
Marek Vasut
c6e2d2c7ca spidev: Add M53Menlo CPLD compatible
Add compatible string for Menlosystems CPLD present on the M53Menlo
board. This CPLD is used to communicate with various custom sensors.

Signed-off-by: Marek Vasut <marex@denx.de>
To: linux-spi@vger.kernel.org
Cc: Mark Brown <broonie@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
2019-05-29 16:41:29 +01:00
Tzung-Bi Shih
b19671d6ca ASoC: core: use component driver name as component name
fmt_single_name() uses device name to determine component name.  If
multiple components bind to the same device, the debugfs creation in
soc_init_component_debugfs() would fail due to duplicated entity
names.

Name provided by component driver is unique enough to represent each
component.  Use component driver name as the component name to avoid
name duplication.

Signed-off-by: Tzung-Bi Shih <tzungbi@google.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2019-05-29 16:37:46 +01:00
Shengjiu Wang
7cda622350 ASoC: cs42xx8: Fix build error with CONFIG_GPIOLIB is not set
config: x86_64-randconfig-x000201921-201921
compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
reproduce:
        make ARCH=x86_64

sound/soc/codecs/cs42xx8.c: In function ‘cs42xx8_probe’:
sound/soc/codecs/cs42xx8.c:472:25: error: implicit declaration of function ‘devm_gpiod_get_optional’; did you mean ‘devm_clk_get_optional’? [-Werror=implicit-function-declaration]
  cs42xx8->gpiod_reset = devm_gpiod_get_optional(dev, "reset",
                         ^~~~~~~~~~~~~~~~~~~~~~~
                         devm_clk_get_optional
sound/soc/codecs/cs42xx8.c:473:8: error: ‘GPIOD_OUT_HIGH’ undeclared (first use in this function); did you mean ‘GPIOF_INIT_HIGH’?
        GPIOD_OUT_HIGH);
        ^~~~~~~~~~~~~~
        GPIOF_INIT_HIGH
sound/soc/codecs/cs42xx8.c:473:8: note: each undeclared identifier is reported only once for each function it appears in
sound/soc/codecs/cs42xx8.c:477:2: error: implicit declaration of function ‘gpiod_set_value_cansleep’; did you mean ‘gpio_set_value_cansleep’? [-Werror=implicit-function-declaration]
  gpiod_set_value_cansleep(cs42xx8->gpiod_reset, 0);
  ^~~~~~~~~~~~~~~~~~~~~~~~
  gpio_set_value_cansleep

Fixes: bfe95dfa4d ("ASoC: cs42xx8: Add reset gpio handling")
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2019-05-29 16:37:06 +01:00
Pierre-Louis Bossart
17fc24875d ASoC: Intel: sof-rt5682: fix undefined references with Baytrail-only support
The sof-rt5682 machine driver supports both legacy Baytrail devices
and more recent ApolloLake/CometLake platforms. When only Baytrail is
selected, the compilation fails with the following errors:

ERROR: "hdac_hdmi_jack_port_init"
[sound/soc/intel/boards/snd-soc-sof_rt5682.ko] undefined!

ERROR: "hdac_hdmi_jack_init"
[sound/soc/intel/boards/snd-soc-sof_rt5682.ko] undefined!

Fix by selecting SND_SOC_HDAC_HDMI unconditionally. The code for HDMI
support is not reachable on Baytrail so this change has no functional
impact.

Fixes: f70abd75b7 ("ASoC: Intel: add sof-rt5682 machine driver")
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2019-05-29 16:36:41 +01:00
Gen Zhang
a549881139 wcd9335: fix a incorrect use of kstrndup()
In wcd9335_codec_enable_dec(), 'widget_name' is allocated by kstrndup().
However, according to doc: "Note: Use kmemdup_nul() instead if the size
is known exactly." So we should use kmemdup_nul() here instead of
kstrndup().

Signed-off-by: Gen Zhang <blackgod016574@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2019-05-29 16:35:35 +01:00