This adds logic for taking SDM_DIN (Sigma Delta Modulator) setting into
the equation to calculate the effective N value for PLL which supports
fractional divider.
The effective N = NDIV + 1/2 + SDM_DIN/2^13, where NDIV is the integer
feedback divider.
Reviewed-by: Benson Leung <bleung@chromium.org>
Signed-off-by: Rhyland Klein <rklein@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
SoC specific drivers should define the appropriate flags for each
PLL rather than relying on the registration functions to automatically
set flags on their behalf. This will properly allow for changes between
SoC generations where flags might be different and allow sharing the
same logic functions.
Reviewed-by: Benson Leung <bleung@chromium.org>
Signed-off-by: Rhyland Klein <rklein@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
New SoC's may have more than 3 MISC registers, so bump up the array size
and use a #define to be more informative about the value.
Reviewed-by: Benson Leung <bleung@chromium.org>
Signed-off-by: Bill Huang <bilhuang@nvidia.com>
Signed-off-by: Rhyland Klein <rklein@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Swap out the generic WARN_ON with a WARN which gives more information
about what is happening.
Reviewed-by: Benson Leung <bleung@chromium.org>
Signed-off-by: Rhyland Klein <rklein@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Instead of having multiple similar wrapper functions for
_clk_pll_[enable|disable], we can simplify it to single
wrappers and use checks to avoid the logic we don't want to use.
Reviewed-by: Benson Leung <bleung@chromium.org>
Signed-off-by: Rhyland Klein <rklein@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Create a wrapper interface to make use of the existing
clk_pll_wait_for_lock. This will be useful for implementations
of callbacks in Tegra SoC specific clock drivers.
Reviewed-by: Benson Leung <bleung@chromium.org>
Signed-off-by: Rhyland Klein <rklein@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Tegra210 has significant differences in muxes for peripheral clocks.
One of the most important changes is that pll_m isn't to be used
as a source for peripherals. Therefore, we need to define the new
muxes and new clocks to use those muxes for Tegra210 support.
Tegra210 has some differences in the PLLP clock tree:
- Four new output clocks: PLLP_OUT_CPU, PLLP_OUT_ADSP, PLLP_OUT_HSIO,
and PLLP_OUT_XUSB.
- PLLP_OUT2 is fixed at 1/2 the rate of PLLP_VCO.
- PLLP_OUT4 is the child of PLLP_OUT_CPU.
Update the xusb_hs_src mux and add the xusb_ssp_src mux for Tegra210.
Including work by Andrew Bresticker <abrestic@chromium.org> and
Bill Huang <bilhuang@nvidia.com>.
Signed-off-by: Rhyland Klein <rklein@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
- Revert three recent intel_pstate driver commits one of which
introduced a regression and the remaining two depend on the
problematic one (Rafael Wysocki).
- Fix breakage related to the recently introduced ACPI _CCA object
support in the PCI DMA setup code (Suravee Suthikulpanit).
- Fix up the recently introduced ACPI CPPC support to only
use the hardware-reduced version of the PCCT structure as
the only architecture to support it (ARM64) will only use
hardware-reduced ACPI anyway (Ashwin Chaugule).
- Fix a cpufreq mediatek driver build problem (Arnd Bergmann).
- Fix the SMBus transaction handling implementation in the ACPI
core to avoid re-entrant calls to wait_event_timeout() which
makes intermittent boot stalls related to the Smart Battery
Subsystem initialization go away and revert a workaround of
another problem with the same underlying root cause (Chris
Bainbridge).
- Fix the generic wakeup interrupts framework to avoid using
invalid IRQ numbers (Dmitry Torokhov).
- Remove a redundant check from the ACPI EC driver (Markus Elfring).
- Modify the intel_pstate driver so it can support more Atom flavors
than just one (Baytrail) and add support for Atom Airmont cores
(which require new freqnency tables) to it (Philippe Longepe).
- Clean up MSR-related symbols in turbostat (Len Brown).
/
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Merge tag 'pm+acpi-4.4-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more power management and ACPI updates from Rafael Wysocki:
"These are mostly fixes and cleanups (ACPI core, PM core, cpufreq, ACPI
EC driver, device properties) including three reverts of recent
intel_pstate driver commits due to a regression introduced by one of
them plus support for Atom Airmont cores in intel_pstate (which really
boils down to adding new frequency tables for Airmont) and additional
turbostat updates.
Specifics:
- Revert three recent intel_pstate driver commits one of which
introduced a regression and the remaining two depend on the
problematic one (Rafael Wysocki).
- Fix breakage related to the recently introduced ACPI _CCA object
support in the PCI DMA setup code (Suravee Suthikulpanit).
- Fix up the recently introduced ACPI CPPC support to only use the
hardware-reduced version of the PCCT structure as the only
architecture to support it (ARM64) will only use hardware-reduced
ACPI anyway (Ashwin Chaugule).
- Fix a cpufreq mediatek driver build problem (Arnd Bergmann).
- Fix the SMBus transaction handling implementation in the ACPI core
to avoid re-entrant calls to wait_event_timeout() which makes
intermittent boot stalls related to the Smart Battery Subsystem
initialization go away and revert a workaround of another problem
with the same underlying root cause (Chris Bainbridge).
- Fix the generic wakeup interrupts framework to avoid using invalid
IRQ numbers (Dmitry Torokhov).
- Remove a redundant check from the ACPI EC driver (Markus Elfring).
- Modify the intel_pstate driver so it can support more Atom flavors
than just one (Baytrail) and add support for Atom Airmont cores
(which require new freqnency tables) to it (Philippe Longepe).
- Clean up MSR-related symbols in turbostat (Len Brown)"
* tag 'pm+acpi-4.4-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
PCI: Fix OF logic in pci_dma_configure()
Revert "Documentation: kernel_parameters for Intel P state driver"
cpufreq: mediatek: fix build error
cpufreq: intel_pstate: Add separate support for Airmont cores
cpufreq: intel_pstate: Replace BYT with ATOM
Revert "cpufreq: intel_pstate: Use ACPI perf configuration"
Revert "cpufreq: intel_pstate: Avoid calculation for max/min"
ACPI-EC: Drop unnecessary check made before calling acpi_ec_delete_query()
Revert "ACPI / SBS: Add 5 us delay to fix SBS hangs on MacBook"
ACPI / SMBus: Fix boot stalls / high CPU caused by reentrant code
PM / wakeirq: check that wake IRQ is valid before accepting it
ACPI / CPPC: Use h/w reduced version of the PCCT structure
x86: remove unused definition of MSR_NHM_PLATFORM_INFO
tools/power turbostat: use new name for MSR_PLATFORM_INFO
This adds a driver for the Aurora VLSI NB8800 Ethernet controller.
It is an almost complete rewrite of a driver originally found in
a Sigma Designs 2.6.22 tree.
Signed-off-by: Mans Rullgard <mans@mansr.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The hpsa driver recently started using the sas transport class, but it
does not ensure that the corresponding code is actually built, which
may lead to a link error:
drivers/built-in.o: In function `hpsa_free_sas_phy':
(.text+0x1ce874): undefined reference to `sas_port_delete_phy'
(.text+0x1ce87c): undefined reference to `sas_phy_free'
drivers/built-in.o: In function `hpsa_alloc_sas_port':
(.text+0x1ceb9c): undefined reference to `sas_port_alloc_num'
(.text+0x1ceba8): undefined reference to `sas_port_add'
drivers/built-in.o: In function `hpsa_init':
(.init.text+0x8838): undefined reference to `sas_attach_transport'
(.init.text+0x8868): undefined reference to `sas_release_transport
This adds 'select SCSI_SAS_ATTR' in the Kconfig entry, just like we do
for all other drivers using those functions.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fixes: d04e62b9d6 ("hpsa: add in sas transport class")
Reviewed-by: Christoph Hellwig <hch@lst.de>
Acked-by: Don Brace <don.brace@pmcs.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Add a node describing the AXP152 pmic used on Auxtek T004 boards.
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Michael van Slingerland <michael@deviousops.nl>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Add a node describing the lcd panel backlight on the pov protab2 ips9
tablet.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
The initio driver has for many years had two copies of the
same module device table. One of them is also used for registering
the other driver, the other one is entirely useless after the
large scale cleanup that Alan Cox did back in 2007.
The compiler warns about this whenever the driver is built-in:
drivers/scsi/initio.c:131:29: warning: 'i91u_pci_devices' defined but not used [-Wunused-variable]
This removes the extraneous table and the warning.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fixes: 72d39fea90 ("[SCSI] initio: Convert into a real Linux driver and update to modern style")
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Add a node describing the lcd panel backlight on the UTOO P66 tablet.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
The advansys drvier uses the request_dma function that is used on ISA
machines for the internal DMA controller, which causes build errors
on platforms that have ISA slots but do not provide the ISA DMA API:
drivers/scsi/advansys.c: In function 'advansys_board_found':
drivers/scsi/advansys.c:11300:10: error: implicit declaration of function 'request_dma' [-Werror=implicit-function-declaration]
The problem now showed up in ARM randconfig builds after commit
6571fb3f8b ("advansys: Update to version 3.5 and remove compilation
warning") made it possible to build on platforms that have neither
VIRT_TO_BUS nor ISA_DMA_API but that do have ISA.
This adds the missing dependency.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Add a node describing the lcd panel backlight on the iNet1 tablet.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Guillaume Nault says:
====================
ppp: Remove PPPOX_ZOMBIE socket state
Several issues have been found lately wrt. the PPPOX_ZOMBIE socket
state. This state is now only set upon reception of a PADT to stop
further transmissions. However this is redundant with the PADT
workqueue mechanism introduced by 287f3a943f ("pppoe: Use workqueue
to die properly when a PADT is received").
We can thus simplify pppox socket state handling by getting rid of
PPPOX_ZOMBIE entirely.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Since 287f3a943f ("pppoe: Use workqueue to die properly when a PADT
is received"), pppoe_disc_rcv() disconnects the socket by scheduling
pppoe_unbind_sock_work(). This is enough to stop socket transmission
and makes the PPPOX_ZOMBIE state uncessary.
Signed-off-by: Guillaume Nault <g.nault@alphalink.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
The iNet1 tablet uses the A10's integrated audio codec, enable it.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Jiri Pirko says:
====================
mlxsw: small driver update
Couple of VLAN-related patches.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
The operation of adding VLANs on a port via switchdev ops can fail and
we need to be prepared for it. If we do not rollback hardware operations
following a failure, hardware and software will remain in an
inconsistent state.
Solve that by adding suitable error paths to __mlxsw_sp_port_vlans_add.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When adding or deleting VLANs from a bridged port, HW VLAN filters must be
set accordingly. Instead of having the same code in both add and delete
functions, just wrap it in a function and call it with the appropriate
parameters.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Elad Raz <eladr@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When removing a range of VLANs in which PVID is a member we should use
the correct PVID value instead of some VLAN in the range.
Also, change two print statements to use 'dev' instead of
'mlxsw_sp_port->dev', as it's already used in other print statements in
the function.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add a handler for show_fdinfo() to be used by the anon-inodes
backend for eBPF maps, and dump the map specification there. Not
only useful for admins, but also it provides a minimal way to
compare specs from ELF vs pinned object.
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
It turned out that many HP laptops suffer from the same problem as
fixed in commit [c932b98c1e: ALSA: hda - Apply pin fixup for HP
ProBook 6550b]. But, it's tiresome to list up all such PCI SSIDs, as
there are really lots of HP machines.
Instead, we do a bit more clever, try to check the supposedly dock and
built-in headphone pins, and apply the fixup when both seem valid.
This rule can be applied generically to all models using the same
quirk, so we'll fix all in a shot.
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=107491
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
The tulip driver causes annoying build-time warnings for allmodconfig
builds for all recent architectures:
dec/tulip/winbond-840.c:910:2: warning: #warning Processor architecture undefined
dec/tulip/tulip_core.c:101:2: warning: #warning Processor architecture undefined!
This is the last remaining warning for arm64, and I'd like to get rid of
it. We don't really know the cache line size, architecturally it would
be at least 16 bytes, but all implementations I found have 64 or 128
bytes. Configuring tulip for 32-byte lines as we do on ARM32 seems to
be the safe but slow default, and nobody who cares about performance these
days would use a tulip chip anyway, so we can just use that.
To save the next person the job of trying to find out what this is for
and picking a default for their architecture just to kill off the warning,
I'm now removing the preprocessor #warning and turning it into a pr_warn
or dev_warn that prints the equivalent information when the driver gets
loaded.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Grant Grundler <grundler@parisc-linux.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
request_module already takes format strings, so no need to duplicate
the effort.
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Commmit ac7eccd4d4 "bnx2x: track vxlan port count" contains a bug -
Instead of achieving the required goal, vxlan configuration would not
be removed since we're decrementing the port instead of the counter.
CC: Jiri Benc <jbenc@redhat.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
tcp_send_rcvq() is used for re-injecting data into tcp receive queue.
Problems :
- No check against size is performed, allowed user to fool kernel in
attempting very large memory allocations, eventually triggering
OOM when memory is fragmented.
- In case of fault during the copy we do not return correct errno.
Lets use alloc_skb_with_frags() to cook optimal skbs.
Fixes: 292e8d8c85 ("tcp: Move rcvq sending to tcp_input.c")
Fixes: c0e88ff0f2 ("tcp: Repair socket queues")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Pavel Emelyanov <xemul@parallels.com>
Acked-by: Pavel Emelyanov <xemul@parallels.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fix incrementing TCPFastOpenActiveFailed snmp stats multiple times
when the handshake experiences multiple SYN timeouts.
Signed-off-by: Yuchung Cheng <ycheng@google.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Some middle-boxes black-hole the data after the Fast Open handshake
(https://www.ietf.org/proceedings/94/slides/slides-94-tcpm-13.pdf).
The exact reason is unknown. The work-around is to disable Fast Open
temporarily after multiple recurring timeouts with few or no data
delivered in the established state.
Signed-off-by: Yuchung Cheng <ycheng@google.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Christoph Paasch <cpaasch@apple.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
If md->signature == MAC_DRIVER_MAGIC and md->block_size == 1023, a single
512 byte sector would be read (secsize / 512). However the partition
structure would be located past the end of the buffer (secsize % 512).
Signed-off-by: Kees Cook <keescook@chromium.org>
Cc: stable@vger.kernel.org
Signed-off-by: Jens Axboe <axboe@fb.com>
kthread_create_on_node takes format+args, so there's no need to do the
pretty-printing in advance. Moreover, "mtip_svc_thd_99" (including its
'\0') only just fits in 16 bytes, so if index could ever go above 99
we'd have a stack buffer overflow.
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Reviewed-by: Jeff Moyer <jmoyer@redhat.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
Commit b6745f6e4e ("drivers: net: cpsw: davinci_emac: move reading mac
id to common file") started using of_machine_is_compatible for detecting
type but missed at dm8148 causing Ethernet to stop working.
Let's fix the issue by adding handling for dm814x.
Cc: Mugunthan V N <mugunthanvnm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Acked-by: Mugunthnan V N <mugunthanvnm@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When encx24j600 is open and closed many times due to userspace polling the
interface, the log gets noise with this log message.
Moving this to encx24j600_spi_probe function where it belongs.
Signed-off-by: Jon Ringle <jringle@gridpoint.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Make sure that there are no unprocesssed entries on a completion
queue before deleting it, and check for validity of the CQ
door bell before writing completions to it.
This fixes problems with doing a sysfs reset of the device while
it's handling IO.
Tested-by: Jon Derrick <jonathan.derrick@intel.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
Add free block, used block, and bad block information to the show debug
interface. This information is used to debug how targets track blocks.
Also, change debug function name to make it more generic.
Signed-off-by: Javier Gonzalez <javier@cnexlabs.com>
Signed-off-by: Matias Bjørling <m@bjorling.me>
Signed-off-by: Jens Axboe <axboe@fb.com>
Maintain number of in use blocks, free blocks, and bad blocks in a per
lun basis. This allows the upper layers to get information about the
state of each lun.
Also, account for blocks reserved to the device on the free block count.
nr_free_blocks matches now the actual number of blocks on the free list
when the device is booted.
Signed-off-by: Javier Gonzalez <javier@cnexlabs.com>
Signed-off-by: Matias Bjørling <m@bjorling.me>
Signed-off-by: Jens Axboe <axboe@fb.com>
According to the Open-Channel SSD Specification, the NVMe-NVM admin
commands use vendor specific opcodes of NVMe, so use the NVMe admin
queue to dispatch these commands.
Signed-off-by: Wenwei Tao <ww.tao0320@gmail.com>
Updated by me to include set bad block table as well and also use
the admin queue for l2p len calculation.
Signed-off-by: Matias Bjørling <m@bjorling.me>
Signed-off-by: Jens Axboe <axboe@fb.com>
If either max_phys_sect is out of bound, the nvm_dev structure is not
freed.
Signed-off-by: Matias Bjørling <m@bjorling.me>
Signed-off-by: Jens Axboe <axboe@fb.com>
The return value should be non-zero under error conditions.
Remove nvme_free(dev) to avoid free dev more than once.
Signed-off-by: Wenwei Tao <ww.tao0320@gmail.com>
Signed-off-by: Matias Bjørling <m@bjorling.me>
Signed-off-by: Jens Axboe <axboe@fb.com>
This patch make sure that all necessary members of dwc2_hsotg
are initialized before the irq handler is requested. So
the kernel oops triggered by dwc2_handle_common_intr has
been fixed.
dwc2 20980000.usb: Configuration mismatch. Forcing host mode
dwc2 20980000.usb: no platform data or transceiver defined
Unable to handle kernel paging request at virtual address cc860040
pgd = c0004000
[cc860040] *pgd=0b41e811, *pte=00000000, *ppte=00000000
Internal error: Oops: 7 [#1] ARM
CPU: 0 PID: 1 Comm: swapper Not tainted 4.3.0-rc3+ #19
Hardware name: BCM2835
task: cb494000 ti: cb4d0000 task.ti: cb4d0000
PC is at dwc2_is_controller_alive+0x18/0x34
LR is at dwc2_handle_common_intr+0x24/0xb60
Acked-by: John Youn <johnyoun@synopsys.com>
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This patch fixes obvious copy-past error in wake up irq parsing
code which leads to the fact that dev_pm_set_wake_irq() will
be called with wrong IRQ number when "wakeup" IRQ is not
defined in DT.
Fixes: 3fffd12839 ("i2c: allow specifying separate wakeup interrupt in device tree")
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Cc: <stable@vger.kernel.org> # v4.3
