Under some circumstances the PLLE needs to be retrained, in which case
access to the PMC registers is required. Fix this by passing a pointer
to the PMC registers instead of NULL when registering the PLLE clock.
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Acked-By: Peter De Schrijver <pdeschrijver@nvidia.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
Matthew reported kernels fail the pci_eisa probe and are later successful
with the virtual_eisa_root_init force probe without slot0.
The reason for that is: PNP probing is before pci_eisa_init gets called
as pci_eisa_init is called via pci_driver.
pnp 00:0f has 0xc80 - 0xc84 reserved.
[ 9.700409] pnp 00:0f: [io 0x0c80-0x0c84]
so eisa_probe will fail from pci_eisa_init
==>eisa_root_register
==>eisa_probe path.
as force_probe is not set in pci_eisa_root, it will bail early when
slot0 is not probed and initialized.
Try to use subsys_initcall_sync instead, and will keep following sequence:
pci_subsys_init
pci_eisa_init_early
pnpacpi_init/isapnp_init
After this patch EISA can be initialized properly, and PNP overlapping
resource will not be reserved.
[ 10.104434] system 00:0f: [io 0x0c80-0x0c84] could not be reserved
Reported-by: Matthew Whitehead <mwhitehe@redhat.com>
Tested-by: Matthew Whitehead <mwhitehe@redhat.com>
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: stable@vger.kernel.org
Matthew found that 3.8.3 is having problems with an old (ancient)
PCI-to-EISA bridge, the Intel 82375. It worked with the 3.2 kernel.
He identified the 82375, but doesn't assign the struct resource *res
pointer inside the struct eisa_root_device, and panics.
pci_eisa_init() was using bus->resource[] directly instead of
pci_bus_resource_n(). The bus->resource[] array is a PCI-internal
implementation detail, and after commit 45ca9e97 (PCI: add helpers for
building PCI bus resource lists) and commit 0efd5aab (PCI: add struct
pci_host_bridge_window with CPU/bus address offset), bus->resource[] is not
used for PCI root buses any more.
The 82375 is a subtractive-decode PCI device, so handle it the same
way we handle PCI-PCI bridges in subtractive-decode mode in
pci_read_bridge_bases().
[bhelgaas: changelog]
Reported-by: Matthew Whitehead <mwhitehe@redhat.com>
Tested-by: Matthew Whitehead <mwhitehe@redhat.com>
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: stable@vger.kernel.org # v3.3+
code and data to use hwmod and omap_device. This is a prerequisite for
moving the hwmod code out of arch/arm.
Basic test logs are available at:
http://www.pwsan.com/omap/testlogs/sham_aes_integration_devel_3.10/20130330155313/
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Merge tag 'omap-devel-a-for-3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into omap-for-v3.10/crypto
For OMAP2+ SoCs, convert the SHA/MD5 and AES accelerator integration
code and data to use hwmod and omap_device. This is a prerequisite for
moving the hwmod code out of arch/arm.
Basic test logs are available at:
http://www.pwsan.com/omap/testlogs/sham_aes_integration_devel_3.10/20130330155313/
Pull arch/tile fix from Chris Metcalf:
"This change allows newer Tilera boot tools to work correctly with
current (and stable) kernels by using the right filename to get the
initramfs from the Tilera hypervisor filesystem."
* 'stable' of git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile:
tile: expect new initramfs name from hypervisor file system
Pull networking fixes from David Miller:
1) sadb_msg prepared for IPSEC userspace forgets to initialize the
satype field, fix from Nicolas Dichtel.
2) Fix mac80211 synchronization during station removal, from Johannes
Berg.
3) Fix IPSEC sequence number notifications when they wrap, from Steffen
Klassert.
4) Fix cfg80211 wdev tracing crashes when add_virtual_intf() returns an
error pointer, from Johannes Berg.
5) In mac80211, don't call into the channel context code with the
interface list mutex held. From Johannes Berg.
6) In mac80211, if we don't actually associate, do not restart the STA
timer, otherwise we can crash. From Ben Greear.
7) Missing dma_mapping_error() check in e1000, ixgb, and e1000e. From
Christoph Paasch.
8) Fix sja1000 driver defines to not conflict with SH port, from Marc
Kleine-Budde.
9) Don't call il4965_rs_use_green with a NULL station, from Colin Ian
King.
10) Suspend/Resume in the FEC driver fail because the buffer descriptors
are not initialized at all the moments in which they should. Fix
from Frank Li.
11) cpsw and davinci_emac drivers both use the wrong interface to
restart a stopped TX queue. Use netif_wake_queue not
netif_start_queue, the latter is for initialization/bringup not
active management of the queue. From Mugunthan V N.
12) Fix regression in rate calculations done by
psched_ratecfg_precompute(), missing u64 type promotion. From
Sergey Popovich.
13) Fix length overflow in tg3 VPD parsing, from Kees Cook.
14) AOE driver fails to allocate enough headroom, resulting in crashes.
Fix from Eric Dumazet.
15) RX overflow happens too quickly in sky2 driver because pause packet
thresholds are not programmed correctly. From Mirko Lindner.
16) Bonding driver manages arp_interval and miimon settings incorrectly,
disabling one unintentionally disables both. Fix from Nikolay
Aleksandrov.
17) smsc75xx drivers don't program the RX mac properly for jumbo frames.
Fix from Steve Glendinning.
18) Fix off-by-one in Codel packet scheduler. From Vijay Subramanian.
19) Fix packet corruption in atl1c by disabling MSI support, from Hannes
Frederic Sowa.
20) netdev_rx_handler_unregister() needs a synchronize_net() to fix
crashes in bonding driver unload stress tests. From Eric Dumazet.
21) rxlen field of ks8851 RX packet descriptors not interpreted
correctly (it is 12 bits not 16 bits, so needs to be masked after
shifting the 32-bit value down 16 bits). Fix from Max Nekludov.
22) Fix missed RX/TX enable in sh_eth driver due to mishandling of link
change indications. From Sergei Shtylyov.
23) Fix crashes during spurious ECI interrupts in sh_eth driver, also
from Sergei Shtylyov.
24) dm9000 driver initialization is done wrong for revision B devices
with DSP PHY, from Joseph CHANG.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (53 commits)
DM9000B: driver initialization upgrade
sh_eth: make 'link' field of 'struct sh_eth_private' *int*
sh_eth: workaround for spurious ECI interrupt
sh_eth: fix handling of no LINK signal
ks8851: Fix interpretation of rxlen field.
net: add a synchronize_net() in netdev_rx_handler_unregister()
MAINTAINERS: Update netxen_nic maintainers list
atl1e: drop pci-msi support because of packet corruption
net: fq_codel: Fix off-by-one error
net: calxedaxgmac: Wake-on-LAN fixes
net: calxedaxgmac: fix rx ring handling when OOM
net: core: Remove redundant call to 'nf_reset' in 'dev_forward_skb'
smsc75xx: fix jumbo frame support
net: fix the use of this_cpu_ptr
bonding: fix disabling of arp_interval and miimon
ipv6: don't accept node local multicast traffic from the wire
sky2: Threshold for Pause Packet is set wrong
sky2: Receive Overflows not counted
aoe: reserve enough headroom on skbs
line up comment for ndo_bridge_getlink
...
Some SPI slave devices require asserted chip select signal across
multiple transfer segments of an SPI message. Currently the driver
always de-asserts the internal SS signal for every single transfer
segment of the message and ignores the 'cs_change' flag of the
transfer description. Disable the internal chip select (SS) only
if this is needed and indicated by the 'cs_change' flag.
Without this change, each partial transfer of a surrounding
multi-part SPI transaction might erroneously change the SS
signal, which might prevent slaves from answering the request
that was sent in a previous transfer segment because the
transaction could be considered aborted (SS was de-asserted
before reading the response).
Reported-by: Gerhard Sittig <gerhard.sittig@ifm.com>
Signed-off-by: Anatolij Gustschin <agust@denx.de>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: stable@vger.kernel.org
spi_pump_messages() calls into a controller driver with
unprepare_transfer_hardware() which is documented as "This may sleep".
As in the prepare_transfer_hardware() call below, we should release the
queue_lock spinlock before making the call.
Rework the logic a bit to hold queue_lock to protect the 'busy' flag,
then release it to call unprepare_transfer_hardware().
Signed-off-by: Bryan Freed <bfreed@chromium.org>
Reviewed-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Doug Anderson <dianders@chromium.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
The status of the interrupt is available in the status register,
so reading the clear pending register and writing back the same
value will not actually clear the pending interrupts. This patch
modifies the interrupt handler to read the status register and
clear the corresponding pending bit in the clear pending register.
Modified the hwInit function to clear all the pending interrupts.
Signed-off-by: Girish K S <ks.giri@samsung.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: stable@vger.kernel.org
Add ECAP and EHRPWM module clock nodes. Also add a clock
node for TBCLK for EHRWPM.
Signed-off-by: Philip Avinash <avinashphilip@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
DaVinci clock implementation does not support clock enable/disable
functionality on non-PSC clock nodes.
On DA850 SoC, EHRPWM module requires support for enable/disable
of TBCLK controlled using a system module register.
This patch adds a method for enabling/disabling non-PSC clocks
into DaVinci clock implementation.
Signed-off-by: Philip Avinash <avinashphilip@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Add defconfig for ape6evm. This is based loosely
on the kzm9g defconfig with fewer devices enabled.
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
PM subsystem treats mmc card as removed during suspend.
If MMC is used to store the root file system, it is better to tell the kernel
not to treat it as a removable media, so select CONFIG_MMC_UNSAFE_RESUME for
such purpose.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Build CONFIG_INPUT_EVDEV as a built-in driver, as it makes easier to test
the LRADC touchscreen driver, for example, by using the 'evtest' tool.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Fix bug for DM9000 revision B which contain a DSP PHY
DM9000B use DSP PHY instead previouse DM9000 revisions' analog PHY,
So need extra change in initialization, For
explicity PHY Reset and PHY init parameter, and
first DM9000_NCR reset need NCR_MAC_LBK bit by dm9000_probe().
Following DM9000_NCR reset cause by dm9000_open() clear the
NCR_MAC_LBK bit.
Without this fix, Power-up FIFO pointers error happen around 2%
rate among Davicom's customers' boards. With this fix, All above
cases can be solved.
Signed-off-by: Joseph CHANG <josright123@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The 'link' field of 'struct sh_eth_private' has type 'enum phy_state' while the
'link' field of 'struct phy_device' is merely *int* (having values 0 and 1) and
the former field gets assigned from the latter. Make the field match, getting
rid of incorrectly used PHY_DOWN value in assignments/comparisons.
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
At least on Renesas R8A7778, EESR.ECI interrupt seems to fire regardless of its
mask in EESIPR register. I can 100% reproduce it with the following scenario:
target is booted with 'ip=on' option, and so IP-Config opens SoC Ether device
but doesn't get a proper reply and then succeeds with on-board SMC chip; then
I login and try to bring up the SoC Ether device with 'ifconfig', and I get
an ECI interrupt once request_irq() is called by sh_eth_open() (while interrupt
mask in EESIPR register is all 0), if that interrupt is accompanied by a pending
EESR.FRC (frame receive completion) interrupt, I get kernel oops in sh_eth_rx()
because sh_eth_ring_init() hasn't been called yet!
The solution I worked out is the following: in sh_eth_interrupt(), mask the
interrupt status from EESR register with the interrupt mask from EESIPR register
in order not to handle the disabled interrupts -- but forcing EESIPR.M_ECI bit
in this mask set because we always need to fully handle EESR.ECI interrupt in
sh_eth_error() in order to quench it (as it doesn't get cleared by just writing
1 to the this bit as all the other interrupts).
While at it, remove unneeded initializer for 'intr_status' variable and give it
*unsigned long* type, matching the type of sh_eth_read()'s result; fix comment.
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Reviewed-by: Max Filippov <max.filippov@cogentembedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The code handling the absent LINK signal (or the absent PSR register -- which
reflects the state of this signal) is quite naive and has probably never really
worked. It's probably enough to say that this code is executed only on the LINK
change interrupt (sic!) but even if we actually have the signal and choose to
ignore it (it might be connected to PHY's link/activity LED output as on the
Renesas BOCK-W board), sh_eth_adjust_link() on which this code relies to update
'mdp->link' gets executed later than the LINK change interrupt where it is
checked, and so RX/TX never get enabled via ECMR register.
So, ignore the LINK changed interrupt iff LINK signal is absent (or just chosen
not to be used) or PSR register is absent, and enable/disable RX/TX directly in
sh_eth_adjust_link() in this case.
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pull slave-dmaengine fixes from Vinod Koul:
"Two fixes for slave-dmaengine.
The first one is for making slave_id value correct for dw_dmac and
the other one fixes the endieness in DT parsing"
* 'fixes' of git://git.infradead.org/users/vkoul/slave-dma:
dw_dmac: adjust slave_id accordingly to request line base
dmaengine: dw_dma: fix endianess for DT xlate function
Pull media fixes from Mauro Carvalho Chehab:
"For a some fixes for Kernel 3.9:
- subsystem build fix when VIDEO_DEV=y, VIDEO_V4L2=m and I2C=m
- compilation fix for arm multiarch preventing IR_RX51 to be selected
- regression fix at bttv crop logic
- s5p-mfc/m5mols/exynos: a few fixes for cameras on exynos hardware"
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
[media] [REGRESSION] bt8xx: Fix too large height in cropcap
[media] fix compilation with both V4L2 and I2C as 'm'
[media] m5mols: Fix bug in stream on handler
[media] s5p-fimc: Do not attempt to disable not enabled media pipeline
[media] s5p-mfc: Fix encoder control 15 issue
[media] s5p-mfc: Fix frame skip bug
[media] s5p-fimc: send valid m2m ctx to fimc_m2m_job_finish
[media] exynos-gsc: send valid m2m ctx to gsc_m2m_job_finish
[media] fimc-lite: Fix the variable type to avoid possible crash
[media] fimc-lite: Initialize 'step' field in fimc_lite_ctrl structure
[media] ir: IR_RX51 only works on OMAP2
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Merge tag 'for-linus-20130331' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
"Alright, this time from 10K up in the air.
Collection of fixes that have been queued up since the merge window
opened, hence postponed until later in the cycle. The pull request
contains:
- A bunch of fixes for the xen blk front/back driver.
- A round of fixes for the new IBM RamSan driver, fixing various
nasty issues.
- Fixes for multiple drives from Wei Yongjun, bad handling of return
values and wrong pointer math.
- A fix for loop properly killing partitions when being detached."
* tag 'for-linus-20130331' of git://git.kernel.dk/linux-block: (25 commits)
mg_disk: fix error return code in mg_probe()
rsxx: remove unused variable
rsxx: enable error return of rsxx_eeh_save_issued_dmas()
block: removes dynamic allocation on stack
Block: blk-flush: Fixed indent code style
cciss: fix invalid use of sizeof in cciss_find_cfgtables()
loop: cleanup partitions when detaching loop device
loop: fix error return code in loop_add()
mtip32xx: fix error return code in mtip_pci_probe()
xen-blkfront: remove frame list from blk_shadow
xen-blkfront: pre-allocate pages for requests
xen-blkback: don't store dev_bus_addr
xen-blkfront: switch from llist to list
xen-blkback: fix foreach_grant_safe to handle empty lists
xen-blkfront: replace kmalloc and then memcpy with kmemdup
xen-blkback: fix dispatch_rw_block_io() error path
rsxx: fix missing unlock on error return in rsxx_eeh_remap_dmas()
Adding in EEH support to the IBM FlashSystem 70/80 device driver
block: IBM RamSan 70/80 error message bug fix.
block: IBM RamSan 70/80 branding changes.
...
This reverts commit 6aa9707099c4b25700940eb3d016f16c4434360d.
Commit 6aa9707099c4 ("lockdep: check that no locks held at freeze time")
causes problems with NFS root filesystems. The failures were noticed on
OMAP2 and 3 boards during kernel init:
[ BUG: swapper/0/1 still has locks held! ]
3.9.0-rc3-00344-ga937536 #1 Not tainted
-------------------------------------
1 lock held by swapper/0/1:
#0: (&type->s_umount_key#13/1){+.+.+.}, at: [<c011e84c>] sget+0x248/0x574
stack backtrace:
rpc_wait_bit_killable
__wait_on_bit
out_of_line_wait_on_bit
__rpc_execute
rpc_run_task
rpc_call_sync
nfs_proc_get_root
nfs_get_root
nfs_fs_mount_common
nfs_try_mount
nfs_fs_mount
mount_fs
vfs_kern_mount
do_mount
sys_mount
do_mount_root
mount_root
prepare_namespace
kernel_init_freeable
kernel_init
Although the rootfs mounts, the system is unstable. Here's a transcript
from a PM test:
http://www.pwsan.com/omap/testlogs/test_v3.9-rc3/20130317194234/pm/37xxevm/37xxevm_log.txt
Here's what the test log should look like:
http://www.pwsan.com/omap/testlogs/test_v3.8/20130218214403/pm/37xxevm/37xxevm_log.txt
Mailing list discussion is here:
http://lkml.org/lkml/2013/3/4/221
Deal with this for v3.9 by reverting the problem commit, until folks can
figure out the right long-term course of action.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Mandeep Singh Baines <msb@chromium.org>
Cc: Jeff Layton <jlayton@redhat.com>
Cc: Shawn Guo <shawn.guo@linaro.org>
Cc: <maciej.rutecki@gmail.com>
Cc: Fengguang Wu <fengguang.wu@intel.com>
Cc: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Ben Chan <benchan@chromium.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: Rafael J. Wysocki <rjw@sisk.pl>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Update the AES0 HIB2 module's hwmod data for the am33xx SoC.
Also, remove it from the '#if 0' block that its currently
inside so the data is actually available for use.
CC: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Mark A. Greer <mgreer@animalcreek.com>
[paul@pwsan.com: fixed lines causing sparse warnings]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Add clock data for for the SHA0 crypto module
on the am33xx SoC.
CC: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Mark A. Greer <mgreer@animalcreek.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
The omap_init_aes() routine in devices.c only needs to be
called when there is no device tree present.
CC: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Mark A. Greer <mgreer@animalcreek.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Remove the error message that prints when there is no AES IP
present to make it consistent with all the other IPs.
CC: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Mark A. Greer <mgreer@animalcreek.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Convert the device data for the OMAP3 AES crypto IP
from explicit platform_data to hwmod.
CC: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Mark A. Greer <mgreer@animalcreek.com>
[paul@pwsan.com: fixed lines causing sparse warnings]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Convert the device data for the OMAP2 AES crypto IP from
explicit platform_data to hwmod.
CC: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Mark A. Greer <mgreer@animalcreek.com>
[paul@pwsan.com: fixed lines causing sparse warnings]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Update the SHA0 HIB2 module's hwmod data for the am33xx SoC.
Also, remove it from the '#if 0' block that its currently
inside so the data is actually available for use.
CC: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Mark A. Greer <mgreer@animalcreek.com>
[paul@pwsan.com: fixed lines causing sparse warnings]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Add clock data for for the SHA0 crypto module
on the am33xx SoC.
CC: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Mark A. Greer <mgreer@animalcreek.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
The omap_init_sham() routine in devices.c only needs to be
called when there is no device tree present.
CC: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Mark A. Greer <mgreer@animalcreek.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Remove the error message that prints when there is no SHA IP
present to make it consistent with all the other IPs.
CC: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Mark A. Greer <mgreer@animalcreek.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Convert the device data for the OMAP3 SHAM2 (SHA1/MD5) crypto IP
from explicit platform_data to hwmod.
CC: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Mark A. Greer <mgreer@animalcreek.com>
[paul@pwsan.com: updated to use per-SoC registration lists for GP-only hwmods;
fixed lines causing sparse warnings]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
The current OMAP2 SHAM support doesn't enable DMA
so add that support so it can use DMA just like OMAP3.
CC: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Mark A. Greer <mgreer@animalcreek.com>
[paul@pwsan.com: fixed lines causing sparse warnings]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Convert the device data for the OMAP2 SHAM crypto IP from
explicit platform_data to hwmod.
CC: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Mark A. Greer <mgreer@animalcreek.com>
[paul@pwsan.com: fixed lines causing sparse warnings]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Pull SCSI target fixes from Nicholas Bellinger:
"This includes the bug-fix for a >= v3.8-rc1 regression specific to
iscsi-target persistent reservation conflict handling (CC'ed to
stable), and a tcm_vhost patch to drop VIRTIO_RING_F_EVENT_IDX usage
so that in-flight qemu vhost-scsi-pci device code can detect the
proper vhost feature bits.
Also, there are two more tcm_vhost patches still being discussed by
MST and Asias for v3.9 that will be required for the in-flight qemu
vhost-scsi-pci device patch to function properly, and that should
(hopefully) be the last target fixes for this round."
* git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending:
target: Fix RESERVATION_CONFLICT status regression for iscsi-target special case
tcm_vhost: Avoid VIRTIO_RING_F_EVENT_IDX feature bit
Since commit 0536bdf33faf (ARM: move iotable mappings within the vmalloc
region), the Cavium CNS3xxx cannot boot anymore.
This is caused by the pre-defined iotable mappings is not in the vmalloc
region. This patch move the iotable mappings into the vmalloc region, and
merge the MPCore private memory region (containing the SCU, the GIC and
the TWD) as a single region.
Signed-off-by: Mac Lin <mkl0301@gmail.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
Cc: stable@vger.kernel.org [v3.3+]
When multiple ovq operations are being performed (lots of open/close
operations on virtio_console fds), the __send_control_msg() function can
get confused without locking.
A simple recipe to cause badness is:
* create a QEMU VM with two virtio-serial ports
* in the guest, do
while true;do echo abc >/dev/vport0p1;done
while true;do echo edf >/dev/vport0p2;done
In one run, this caused a panic in __send_control_msg(). In another, I
got
virtio_console virtio0: control-o:id 0 is not a head!
This also results repeated messages similar to these on the host:
qemu-kvm: virtio-serial-bus: Unexpected port id 478762112 for device virtio-serial-bus.0
qemu-kvm: virtio-serial-bus: Unexpected port id 478762368 for device virtio-serial-bus.0
Reported-by: FuXiangChun <xfu@redhat.com>
Signed-off-by: Amit Shah <amit.shah@redhat.com>
Reviewed-by: Wanlong Gao <gaowanlong@cn.fujitsu.com>
Reviewed-by: Asias He <asias@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Cc: stable@kernel.org
The cvq_lock was taken for the c_ivq. Rename the lock to make that
obvious.
We'll also add a lock around the c_ovq in the next commit, so there's no
ambiguity.
Signed-off-by: Amit Shah <amit.shah@redhat.com>
Reviewed-by: Asias He <asias@redhat.com>
Reviewed-by: Wanlong Gao <gaowanlong@cn.fujitsu.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Cc: stable@kernel.org
On some hardware configurations we have got the request line with the offset.
The patch introduces convert_slave_id() helper for that cases. The request line
base is came from the driver data provided by the platform_device_id table.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
As reported by Wu Fengguang's build robot tracking sparse warnings, the
dma_spec arguments in the dw_dma_xlate are already byte swapped on
little-endian platforms and must not get swapped again. This code is
currently not used anywhere, but will be used in Linux 3.10 when the
ARM SPEAr platform starts using the generic DMA DT binding.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
The Adam Belay's e-mail address in MAINTAINERS under PNP SUPPORT
is not valid any more and I started to maintain that code in the
meantime as a matter of fact, so list myself as a maintainer of it
along with Bjorn and remove the Adam's entry from it.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
According to the Datasheet (page 52):
15-12 Reserved
11-0 RXBC Receive Byte Count
This field indicates the present received frame byte size.
The code has a bug:
rxh = ks8851_rdreg32(ks, KS_RXFHSR);
rxstat = rxh & 0xffff;
rxlen = rxh >> 16; // BUG!!! 0xFFF mask should be applied
Signed-off-by: Max Nekludov <Max.Nekludov@us.elster.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
