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The AUX3 regulator voltage setting is changed in ab8500 v2 compared
to ab8500 v1. This patch adds v2 support while keeping support for
v1.
Signed-off-by: Bengt Jonsson <bengt.g.jonsson@stericsson.com>
Acked-by: Linus Walleij <linus.walleij@stericsson.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
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The find_regulator function was unused so it has been removed. The
ab8500 pointer in the regulator info structure was unused and so it
has also been removed.
Signed-off-by: Bengt Jonsson <bengt.g.jonsson@stericsson.com>
Acked-by: Linus Walleij <linus.walleij@stericsson.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
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For INTCORE and TVOUT regulators, the low power register bit is
included in the mask so that enable will set the regulator in
normal (high power) mode.
ANAMIC1, ANAMIC2, DMIC regulator settings are swapped with each
other so that the correct regulator gets enabled/disabled.
ANA regulator register address is corrected.
Signed-off-by: Bengt Jonsson <bengt.g.jonsson@stericsson.com>
Acked-by: Linus Walleij <linus.walleij@stericsson.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
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The define for number of regulators is moved from ab8500-core to
ab8500-regulator so that the regulator driver can be updated
independently of ab8500-core. This also changes the platform
configuration structure of ab8500-core so that it contains a
pointer to the regulator_init_data array plus number of
regulators instead of an fixed size array of pointers to
regulator_init_data.
Signed-off-by: Bengt Jonsson <bengt.g.jonsson@stericsson.com>
Acked-by: Linus Walleij <linus.walleij@stericsson.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
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TPS6524X provides three step-down converters and two general-purpose LDO
voltage regulators. This device is interfaced using SPI.
Signed-off-by: Cyril Chemparathy <cyril@ti.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
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Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
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Since drivers already have to provide an API for translating selectors
into voltages they may as well just report the selector values directly
to the core API rather than implement the lookup themselves. The old
interface is left in place for now, but may be removed in future.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
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Rather than referencing the get_voltage() operation directly in the
ops struct use the internal _regulator_get_voltage() API call to do
so, facilitating refactoring.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
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Align arguments.
Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
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Extend the regulator_set_voltage() function to take into account the
voltage requirements of all consumers of the regulator being changed,
in order to set the voltage to the minimum voltage acceptable to all
consumers. The existing behaviour was that the latest
regulator_set_voltage() call would win over previous
regulator_set_voltage() calls even if setting the voltage to a
non-acceptable level from other consumers.
Signed-off-by: Thomas Petazzoni <t-petazzoni@ti.com>
Cc: Liam Girdwood <lrg@slimlogic.co.uk>
Cc: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: Kevin Hilman <khilman@deeprootsystems.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
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On Tue, 2010-11-30 at 10:52 +0000, Mark Brown wrote:
> On Mon, Nov 29, 2010 at 05:12:56PM -0800, Joe Perches wrote:
> > Just to please broonie...
> > Signed-off-by: Joe Perches <joe@perches.com>
> As usual when fixing review issues please revise your original patch
> rather than posting a fresh patch.
Here's an earlier comment:
On Thu, 2010-11-18 at 13:30 +0000, Mark Brown wrote:
> This looks reasonable, please rebase on top of Daniel's patches and
> submit it properly (with changelog and so on).
Sometimes it's simpler for an upstream maintainer to do
something like:
git am -s <patch1.mbox>
patch -p1 < patch2.mbox
git commit --amend file
instead of back and forthing.
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
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They're not needed and sparse is verbosely upset about them.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
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Currently the regulator API uses the constraints structure passed in to
the core throughout the lifetime of the object. This means that it is not
possible to mark the constraints as __initdata so if the kernel supports
many boards the constraints for all of them are kept around throughout the
lifetime of the system, consuming memory needlessly. By copying constraints
that are actually used we allow the use of __initdata, saving memory when
multiple boards are supported.
This also means the constraints can be const.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
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Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
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The version hasn't been updated since the regulator API was merged in
2.6.27 so just remove it - now we're in mainline the kernel version is
much more useful.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
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Don't use %s to format fixed static strings into log messages, it just
makes searching for and reading the message in the kernel source
needlessly hard.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
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The regulator framework uses a lot of printks with a
specific formatting using __func__. This converts them
to use pr_ calls with a central format string.
Cc: bleong@codeaurora.org
Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
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This adds a pr_fmt line which uses the __func__ macro. I also
convert the current pr_ lines to remove their __func__ usage.
Cc: bleong@codeaurora.org
Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
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Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
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Supply regulators are disabled only when the last
reference count is removed on the child regulator
(the use count goes from 1 to 0). This patch changes
the behaviour of enable so the supply regulator is
enabled only when the use count of the child
regulator goes from 0 to 1.
Signed-off-by: Bengt Jonsson <bengt.g.jonsson@stericsson.com>
Acked-by: Linus Walleij <linus.walleij@stericsson.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
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Provide some basic trace facilities to the regulator API. We generate
events on regulator enable, disable and voltage setting over the actual
hardware operations (which are assumed to be the expensive ones which
require interaction with the actual device). This is intended to facilitate
debug of the performance and behaviour with consumers allowing unified
traces to be generated including the regulator operations within the
context of the other components of the system.
For enable we log the explicit delay for the voltage ramp separately to
the interaction with the hardware to highlight the time consumed in I/O.
We should add a similar delay for voltage changes, though there the
relatively small magnitude of the changes in the context of the I/O
costs makes it much less critical for most regulators.
Only hardware interactions are currently traced as the primary focus is
on the performance and synchronisation of actual hardware interactions.
Additional tracepoints for debugging of the logical operations can be
added later if required.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
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Change the interface used by set_voltage() to report the selected value
to the regulator core in terms of a selector used by list_voltage().
This allows the regulator core to know the voltage that was chosen
without having to do an explict get_voltage(), which would be much more
expensive as it will generally access hardware.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
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This patch add locks around regulator supply enable.
Signed-off-by: Mattias Wallin <mattias.wallin@stericsson.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (67 commits)
cxgb4vf: recover from failure in cxgb4vf_open()
netfilter: ebtables: make broute table work again
netfilter: fix race in conntrack between dump_table and destroy
ah: reload pointers to skb data after calling skb_cow_data()
ah: update maximum truncated ICV length
xfrm: check trunc_len in XFRMA_ALG_AUTH_TRUNC
ehea: Increase the skb array usage
net/fec: remove config FEC2 as it's used nowhere
pcnet_cs: add new_id
tcp: disallow bind() to reuse addr/port
net/r8169: Update the function of parsing firmware
net: ppp: use {get,put}_unaligned_be{16,32}
CAIF: Fix IPv6 support in receive path for GPRS/3G
arp: allow to invalidate specific ARP entries
net_sched: factorize qdisc stats handling
mlx4: Call alloc_etherdev to allocate RX and TX queues
net: Add alloc_netdev_mqs function
caif: don't set connection request param size before copying data
cxgb4vf: fix mailbox data/control coherency domain race
qlcnic: change module parameter permissions
...
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git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (72 commits)
powerpc/pseries: Fix build of topology stuff without CONFIG_NUMA
powerpc/pseries: Fix VPHN build errors on non-SMP systems
powerpc/83xx: add mpc8308_p1m DMA controller device-tree node
powerpc/83xx: add DMA controller to mpc8308 device-tree node
powerpc/512x: try to free dma descriptors in case of allocation failure
powerpc/512x: add MPC8308 dma support
powerpc/512x: fix the hanged dma transfer issue
powerpc/512x: scatter/gather dma fix
powerpc/powermac: Make auto-loading of therm_pm72 possible
of/address: Use propper endianess in get_flags
powerpc/pci: Use printf extension %pR for struct resource
powerpc: Remove unnecessary casts of void ptr
powerpc: Disable VPHN polling during a suspend operation
powerpc/pseries: Poll VPA for topology changes and update NUMA maps
powerpc: iommu: Add device name to iommu error printks
powerpc: Record vma->phys_addr in ioremap()
powerpc: Update compat_arch_ptrace
powerpc: Fix PPC_PTRACE_SETHWDEBUG on PPC_BOOK3S
powerpc/time: printk time stamp init not correct
powerpc: Minor cleanups for machdep.h
...
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git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: (42 commits)
IB/qib: Fix refcount leak in lkey/rkey validation
IB/qib: Improve SERDES tunning on QMH boards
IB/qib: Unnecessary delayed completions on RC connection
IB/qib: Issue pre-emptive NAKs on eager buffer overflow
IB/qib: RDMA lkey/rkey validation is inefficient for large MRs
IB/qib: Change QPN increment
IB/qib: Add fix missing from earlier patch
IB/qib: Change receive queue/QPN selection
IB/qib: Fix interrupt mitigation
IB/qib: Avoid duplicate writes to the rcv head register
IB/qib: Add a few new SERDES tunings
IB/qib: Reset packet list after freeing
IB/qib: New SERDES init routine and improvements to SI quality
IB/qib: Clear WAIT_SEND flags when setting QP to error state
IB/qib: Fix context allocation with multiple HCAs
IB/qib: Fix multi-Florida HCA host panic on reboot
IB/qib: Handle transitions from ACTIVE_DEFERRED to ACTIVE better
IB/qib: UD send with immediate receive completion has wrong size
IB/qib: Set port physical state even if other fields are invalid
IB/qib: Generate completion callback on errors
...
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If the Link Start fails in cxgb4vf_open(), we need to back out any state
that we've built up ...
Signed-off-by: Casey Leedom <leedom@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently the skb array is not fully allocated, and the allocation
is done as it's requested, which is not the expected way.
This patch just allocate the full skb array at driver initialization.
Also, this patch increases ehea version to 107.
Signed-off-by: Breno Leitao <leitao@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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pcnet_cs:
add another ID of "corega Ether CF-TD" 10Base-T PCMCIA card.
Signed-off-by: Ken Kawasaki <ken_kawasaki@spring.nifty.jp>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'timers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
rtc: Namespace fixup
RTC: Remove UIE emulation
RTC: Rework RTC code to use timerqueue for events
Fix up trivial conflict in drivers/rtc/rtc-dev.c
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (28 commits)
perf session: Fix infinite loop in __perf_session__process_events
perf evsel: Support perf_evsel__open(cpus > 1 && threads > 1)
perf sched: Use PTHREAD_STACK_MIN to avoid pthread_attr_setstacksize() fail
perf tools: Emit clearer message for sys_perf_event_open ENOENT return
perf stat: better error message for unsupported events
perf sched: Fix allocation result check
perf, x86: P4 PMU - Fix unflagged overflows handling
dynamic debug: Fix build issue with older gcc
tracing: Fix TRACE_EVENT power tracepoint creation
tracing: Fix preempt count leak
tracepoint: Add __rcu annotation
tracing: remove duplicate null-pointer check in skb tracepoint
tracing/trivial: Add missing comma in TRACE_EVENT comment
tracing: Include module.h in define_trace.h
x86: Save rbp in pt_regs on irq entry
x86, dumpstack: Fix unused variable warning
x86, NMI: Clean-up default_do_nmi()
x86, NMI: Allow NMI reason io port (0x61) to be processed on any CPU
x86, NMI: Remove DIE_NMI_IPI
x86, NMI: Add priorities to handlers
...
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git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc: (39 commits)
mmc: davinci: add support for SDIO irq handling
mmc: fix division by zero in MMC core
mmc: tmio_mmc: fix CMD irq handling
mmc: tmio_mmc: handle missing HW interrupts
mfd: sh_mobile_sdhi: activate SDIO IRQ for tmio_mmc
mmc: tmio_mmc: implement SDIO IRQ support
mfd: sdhi: require the tmio-mmc driver to bounce unaligned buffers
mmc: tmio_mmc: silence compiler warnings
mmc: tmio_mmc: implement a bounce buffer for unaligned DMA
mmc: tmio_mmc: merge the private header into the driver
mmc: tmio_mmc: fix PIO fallback on DMA descriptor allocation failure
mmc: tmio_mmc: allow multi-element scatter-gather lists
mmc: Register debugfs dir before calling card probe function.
mmc: MMC_BLOCK_MINORS should depend on MMC_BLOCK.
mmc: Explain why we make adjacent mmc_bus_{put,get} calls during rescan.
mmc: Fix sd/sdio/mmc initialization frequency retries
mmc: fix mmc_set_bus_width_ddr() call without bus-width-test cap
mmc: dw_mmc: Add Synopsys DesignWare mmc host driver.
mmc: add sdhci-tegra driver for Tegra SoCs
mmc: sdhci: add quirk for max len ADMA descriptors
...
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'srp' into for-next
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The mr optimization introduced a reference count leak on an exception
test. The lock/refcount manipulation is moved down and the problematic
exception test now calls bail to insure that the lock is released.
Additional fixes as suggested by Ralph Campbell <ralph.campbell@qlogic.org>:
- reduce lock scope of dma regions
- use explicit values on returns vs. automatic ret value
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Improve the QMH SERDES tunning on initial driver load by having the
driver go through a link state change.
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Currently on receipt of a response message (ACKs, RDMA Response,
Atomic Responses etc.) if the SDMA completion counter is not advanced
the driver delays the completion of the WQE. In most cases this is
overly pessimistic as the response (ACK) to a previously transmitted
send implies that the send is complete. Ensure that SDMA queue is
progressed appropriately before determining if a send has delayed
completions.
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Under congestion resulting in eager buffer overflow attempt to send
pre-emptive NAKs if header queue entries with TID errors are generated
and a valid header is present. This prevents long timeouts and flow
restarts if a trailing set of packets are dropped due to eager
overflows. Pre-emptive NAKs are currently only supported for RDMA
writes.
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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The current code loops during rkey/lkey validiation to isolate the MR
for the RDMA, which is expensive when the current operation is inside
a very large memory region.
This fix optimizes rkey/lkey validation routines for user memory
regions and fast memory regions. The MR entry can be isolated by
shifts/mods instead of looping. The existing loop is preserved for
phys memory regions for now.
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Changing from +1 to +2 allows for better QP distribution across
receive contexts.
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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The upstream code was missing part of a receive/error race fix from
the internal tree. Add the missing part, which makes future merges
possible.
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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The basic idea is that on SusieQ, the difficult part of mapping QPN to
context is handled by the mapping registers so the generic QPN
allocation doesn't need to worry about chip specifics. For Monty and
Linda, there is no mapping table so the qpt->mask (same as
dd->qpn_mask), is used to see if the QPN to context falls within
[zero..dd->n_krcv_queues).
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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For SusieQ we need to write to the interrupt timer register before
updating the header queue head with interrupt count. This is to
ensure that the timer is enabled properly and a receive available
interrupt is delivered. Otherwise this interrupt can be lost if the
receiver header/eager queues are full before the timer is enabled.
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Avoid duplicate writes to the head register as this can lead to lost
interrupts if the context goes full before the second write is done.
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Add new SERDES tuning to aid manufacturing.
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Reset the list pointers after freeing the SDMA packet list. This is
done to any potential double-free cases.
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Implement new SERDES initialization routine and improvements to signal
integrity -- disable LE1 adaptation, disable LOS after link-up, set
better SERDES parameters.
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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If these flags are set when the QP is transitioned to the error state,
it will wait until the flags are cleared, which may never happen if
the error transition is due to a link going down.
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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The driver was incorrectly choosing HCAs on which to allocate new user
contexts based on overall count of usable ports regardless whether the
usable port was on the currently selected HCA.
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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