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Commit 6f381fa344911d5a234b13574433cf23036f9467
Author: Lin Ming <ming.m.lin@intel.com>
[SCSI] scsi_lib: use correct DMA device in __scsi_alloc_queue
Caused a regression where we oops in every legacy mode SCSI host driver
because they supply a NULL pointer to scsi_add_host(). Fix this by checking
for the NULL in scsi_add_host_with_dma() and changing the DMA device to being
the platform_bus in that case (which replicates the original behaviour).
Reported-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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next/drivers
DaVinci SoC updates for v3.5
This pull request updates the DaVinci SoC support to implement DEBUG_LL port
choice and optimizes the DMA ISR by removing unnecessary register reads.
* tag 'v3.5-soc' of git://gitorious.org/linux-davinci/linux-davinci:
ARM: davinci: optimize the DMA ISR
ARM: davinci: implement DEBUG_LL port choice
+ sync with Linux 3.4-rc6
Signed-off-by: Olof Johansson <olof@lixom.net>
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git://gitorious.org/linux-davinci/linux-davinci into next/fixes
DaVinci fixes and cleanups for v3.5
This pull request:
1) improves code readability by using for_each_set_bit_from in DMA driver.
2) fixes incorrect bit position being used in power domain switching code
3) fixes not marking some variables as const when they could be const
4) fixes section mismatch warning in da850 evm code
By Uwe Kleine-König (2) and others
via Sekhar Nori
* tag 'v3.5-fixes-and-cleanups' of git://gitorious.org/linux-davinci/linux-davinci:
arm: davinci: use for_each_set_bit_from
ARM: davinci: da850-evm: fix section mismatch
ARM: davinci: mark spi_board_info arguments as const
ARM: davinci: fix incorrect pdctl next bit position
Signed-off-by: Olof Johansson <olof@lixom.net>
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Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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[jejb: checkpatch fixes]
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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and busy.
In case of firmmware detected under-run condition and scsi status of
task_set_full or busy_condition, return that to the mid layer for proper error
handling instead of DID_ERROR (which causes error handler activation and a
full retry).
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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The clk enable/disable pairs can be pushed down to start/stop rather than
probe/remove, along with the runtime PM callsites. This will allow us to
keep the block powered off until userspace comes along and decides to do
something with it.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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initialized for ISP82xx.
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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This plugs in some trivial runtime PM support in the probe/remove and
start/stop paths.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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These are almost compatible with the older Conexant codecs.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra into next/defconfig
By Stephen Warren
via Stephen Warren
* 'for-3.5/defconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra:
ARM: tegra: update defconfig
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The controller is compatible with HD-audio 1.0a with some specific
restrictions.
- The BDLE entries can't be over 4k boundary
- No position-buffer and no MSI
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra into next/drivers
By Stephen Warren
via Stephen Warren
* 'for-3.5/debug' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra:
ARM: tegra: uncompress.h: Implement TEGRA_DEBUG_UART_AUTO_ODMDATA
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git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra into next/dt2
By Stephen Warren (29) and others
via Stephen Warren
* 'for-3.5/dt' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra: (43 commits)
ARM: dt: tegra trimslice: add support for audio
ARM: dt: tegra trimslice: enable SDHCI1 controller
ARM: dt: tegra trimslice: add RTC I2C device
ARM: dt: tegra seaboard: add i2c devices
ARM: dt: tegra seaboard: configure I2C2 pinmux
ARM: dt: tegra seaboard: fix I2C2 SCL rate
ARM: dt: tegra: enable als and proximity sensor
+ pinctrl mergebase branch
The pinctrl mergebase branch merge conflicts in drivers/pinctrl/core.c
that were resolved.
Signed-off-by: Olof Johansson <olof@lixom.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra into next/drivers
By Stephen Warren (5) and Peter De Schrijver (1)
via Stephen Warren
* 'for-3.5/tegra30-audio' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra:
ARM: dt: tegra cardhu: basic audio support
ARM: dt: tegra30.dtsi: Add audio-related nodes
ARM: tegra: add AUXDATA required for audio
ARM: tegra: set up audio clocks for tegra30 dt
ARM: tegra: Initialize pll_p_out1
ARM: tegra: provide clock aliases for AHUB configlink
Signed-off-by: Olof Johansson <olof@lixom.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra into next/drivers
By Stephen Warren (30) and others
via Stephen Warren
* 'for-3.5/usb-ulpi' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra: (7 commits)
ARM: dt: tegra: pinmux changes for USB ULPI
ARM: tegra: add USB ULPI PHY reset GPIO to device tree
ARM: tegra: don't hard-code USB ULPI PHY reset_gpio
ARM: tegra: change pll_p_out4's rate to 24MHz
ARM: tegra: fix pclk rate
ARM: tegra: reparent sclk to pll_c_out1
ARM: tegra: Add pllc clock init table
+ depends/pinctrl/mergebase branch
Pinctrl mergebase has a conflict in drivers/pinctrl/core.c that was resolved.
Signed-off-by: Olof Johansson <olof@lixom.net>
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This plugs in basic clock framework support for the watchdog. As it's an
optional MSTP bit, we don't particularly care if a platform has provided
it or not, though a valid clock will need to be available for the more
complex overflow period calculations found on newer parts -- this will be
addressed later.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra into next/pinctrl
By Stephen Warren
via Stephen Warren
* 'for-3.5/gpio-pinmux' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra:
pinctrl: tegra: error reporting cleanup
pinctrl: tegra: debugfs enhancements
pinctrl: tegra: refactor probe handling
ARM: dt: tegra20: add pinmux to device tree
ARM: dt: tegra cardhu: add pinmux to device tree
ARM: tegra: Remove pre-pinctrl pinmux driver
ARM: tegra: Switch to new pinctrl driver
gpio: tegra: Hide tegra_gpio_enable/disable()
ARM: tegra: seaboard: Don't gpio_request() ISL29018_IRQ
gpio: tegra: configure pins during irq_set_type
ARM: tegra: Remove VBUS_GPIO handling from board files
usb: ehci-tegra: Add vbus_gpio to platform data
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl into next/pinctrl
By Stephen Warren (12) and others
via Linus Walleij
* tag 'pinctrl-mergebase-20120418' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (24 commits)
pinctrl: show pin name for pingroups in sysfs
pinctrl: show pin name when request pins
pinctrl: implement devm_pinctrl_get()/put()
pinctrl: a minor fix of pin config debug information
pinctrl: pinconf: fix compilation error if PINCONF is not selected
pinctrl: allow pctldevs to decode pin config in debugfs
pinctrl: ifdef CONFIG_DEBUG_FS cleanup
pinctrl: mark non-EXPERIMENTAL
pinctrl: tegra: Add complete device tree support
dt: Document Tegra20/30 pinctrl binding
dt: Move Tegra20 pin mux binding into new pinctrl directory
dt: pinctrl: Document device tree binding
dt: add property iteration helpers
pinctrl: implement pinctrl deferred probing
pinctrl: add some error checking for user interfaces
pinctrl: fix pinmux_check_ops error checking
pinctrl: replace list_*() with get_*_count()
pinctrl: mark const init data with __initconst instead of __initdata
Documentation: pinctrl: add missing spi0_0 grp in example
pinctrl: fix build when CONFIG_OF && !CONFIG_PINCTRL
...
Resolved conflicts in drivers/pinctrl/core.c due to same patch being
applied in two branches.
Signed-off-by: Olof Johansson <olof@lixom.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra into next/cleanup
By Arnd Bergmann (1) and Danny Kukawka (1)
via Stephen Warren
* 'for-3.5/cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra:
ARM: tegra: do not hide dma declarations
ARM: tegra: fix multiple asm/hardware/gic.h inclusion
Signed-off-by: Olof Johansson <olof@lixom.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra into next/fixes
By Stephen Warren
via Stephen Warren
* 'for-3.5/fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra:
ARM: disable SUSPEND/ARCH_SUSPEND_POSSIBLE for ARCH_TEGRA
ARM: tegra: add pll_x freq table entry for 750MHz
Signed-off-by: Olof Johansson <olof@lixom.net>
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Now that we're using the generic watchdog core, kill off unused
elements from the private data structure.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Update version number to better match the version of the out of tree
driver with similar functionality.
Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Presently we've been using global locking for everything. Push the
locking down to the per-device level in preparation for per-CPU
watchdogs.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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When the hwmon code was initially added it was with the assumption that a
sysfs patch would be also coming soon. Since that isn't the case some
clean up needs to be done. This patch does that.
Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com>
Tested-by: Stephen Ko <stephen.s.ko@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Kernel software timestamping requires that the driver calls skb_tx_timestamp
just before passing the skb to the MAC, in order to provide the best software
timestamps. This patch adds this call for that support.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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This patch adds support for the ethtool get_ts_info operation, which enables
access of available timestamp/timesync support for that device. It can query
which ptp clock device is associated with the particular port.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Stephen Ko <stephen.s.ko@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Fairly straightforward conversion to utilize watchdog core support.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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The current value of the udelay timeout for ixgbe_disable_rx_buff is too
short. This causes the security path to not not be properly disabled during
the section that is meant to have it turned off. The end result causes a race
condition that results in RX issues.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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This patch enables the PPS system in the PHC framework, by enabling
the clock-out feature on the X540 device. Causes the SDP0 to be set as
a 1Hz clock. Also configures the timesync interrupt cause in order to
report each pulse to the PPS via the PHC framework, which can be used
for general system clock synchronization. (This allows a stable method
for tuning the general system time via the on-board SYSTIM register
based clock.)
Signed-off-by: Jacob E Keller <jacob.e.keller@intel.com>
Tested-by: Stephen Ko <stephen.s.ko@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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This patch enables hardware timestamping for use with PTP software by
extracting a ns counter from an arbitrary fixed point cycles counter.
The hardware generates SYSTIME registers using the DMA tick which
changes based on the current link speed. These SYSTIME registers are
converted to ns using the cyclecounter and timecounter structures
provided by the kernel. Using the SO_TIMESTAMPING api, software can
enable and access timestamps for PTP packets.
The SO_TIMESTAMPING API has space for 3 different kinds of timestamps,
SYS, RAW, and SOF. SYS hardware timestamps are hardware ns values that
are then scaled to the software clock. RAW hardware timestamps are the
direct raw value of the ns counter. SOF software timestamps are the
software timestamp calculated as close as possible to the software
transmit, but are not offloaded to the hardware. This patch only
supports the RAW hardware timestamps due to inefficiency of the SYS
design.
This patch also enables the PHC subsystem features for atomically
adjusting the cycle register, and adjusting the clock frequency in
parts per billion. This frequency adjustment works by slightly
adjusting the value added to the cycle registers each DMA tick. This
causes the hardware registers to overflow rapidly (approximately once
every 34 seconds, when at 10gig link). To solve this, the timecounter
structure is used, along with a timer set for every 25 seconds. This
allows for detecting register overflow and converting the cycle
counter registers into ns values needed for providing useful
timestamps to the network stack.
Only the basic required clock functions are supported at this time,
although the hardware supports some ancillary features and these could
easily be enabled in the future.
Note that use of this hardware timestamping requires modifying daemon
software to use the SO_TIMESTAMPING API for timestamps, and the
ptp_clock PHC framework for accessing the clock. The timestamps have
no relation to the system time at all, so software must use the posix
clock generated by the PHC framework instead.
Signed-off-by: Jacob E Keller <jacob.e.keller@intel.com>
Tested-by: Stephen Ko <stephen.s.ko@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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If the VF sends a MACVLAN request with index of zero then it is not
actually trying to add a filter. Check the index value and only
indicate that operation is not allowed when the VF is actually trying
to add a filter.
Signed-off-by: Greg Rose <gregory.v.rose@intel.com>
Tested-by: Sibai Li <sibai.li@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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The drop enable bit can be used to improve the performance of the adapter
in the case of multiple queues being present. This performance gain is due
to the fact that some slower CPUs can cause the FIFO to backfill preventing
faster CPUs from receiving additional work. By setting the drop enable bit
we prevent this and instead just drop the packets that would have been
bound for the slower CPU.
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Tested-by: Ross Brattain <ross.b.brattain@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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It's possible to do the same work via the platform driver shutdown
method, so wire that up and dump the reboot notifier.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This change cleans up the logic in the priority based flow control
configuration routines. Both the 82599 and 82598 based routines perform
similar functions however they are both arranged completely differently.
This patch goes over both of them to clean up the code.
In addition I am dropping the ixgbe_fc_pfc flow control mode and instead
just replacing it with checks for if priority flow control is enabled.
This allows us to maintain some of the link flow control information which
allows for an easier transition between link and priority flow control.
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Tested-by: Ross Brattain <ross.b.brattain@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Previously we would get a mailbox error and still process the message.
Instead we should exit on error.
In addition we should also be flushing the ACK of the message so that we
can guarantee that the other end is aware we have received the message
while we are processing it.
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Tested-by: Sibai Li <sibai.li@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Current igb outputs registers related to TX/RX queues(ex. RDT, RDH, TDT, TDH).
But it thinks the number of RX/TX queues is 4. But 82576 has 16 RX/TX queues.
This patch modifies igb to output the rest of the registers if the device is
82576.
Signed-off-by: Koki Sanagi <sanagi.koki@jp.fujitsu.com>
Acked-by: Carolyn Wyborny <carolyn.wyborny@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
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Too many drivers fail at IOPORT vs IOMEM checking before blindly calling
in to the API, so we may as well just provide basic stubs to get more
build coverage. Other platforms already do this, too (tile, parisc, etc.)
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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The output of the timestamps got lost with the conversion of the
kmsg buffer to records; restore the old behavior.
Document, that CONFIG_PRINTK_TIME now only controls the output of
the timestamps in the syslog() system call and on the console, and
not the recording of the timestamps.
Cc: Joe Perches <joe@perches.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Sasha Levin <levinsasha928@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Reported-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Kay Sievers <kay@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This prevents the merging of printk() continuation lines of different
threads, in the case they race against each other.
It should properly isolate "atomic" single-line printk() users from
continuation users, to make sure the single-line users will never be
merged with the racy continuation ones.
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Sasha Levin <levinsasha928@gmail.com>
Signed-off-by: Kay Sievers <kay@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Josh writes:
<<
A few patches from Suzie for 47x kexec/kdump support, and some MSI patches
from Mai La.
>>
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Commit 625d693e9784f988371e69c2b41a2172c0be6c11 (linux-next)
"sparc64: Convert over to NO_BOOTMEM."
causes the following compile failure for sparc64 allnoconfig:
arch/sparc/mm/init_64.c:822:16: error: unused variable 'paddr'
arch/sparc/mm/init_64.c:1759:7: error: unused variable 'node'
arch/sparc/mm/init_64.c:809:12: error: 'memblock_nid_range' defined but not used
The paddr decl can easily be shuffled within the ifdef. The
memblock_nid_range is just a stub function for when NEED_MULTIPLE_NODES
is off, but the only caller is within a NEED_MULTIPLE_NODES enabled
section, so we can simply delete it.
The unused "node" is slightly more interesting. In the case of
"# CONFIG_NEED_MULTIPLE_NODES is not set" we no longer get the
definition of:
#define NODE_DATA(nid) (node_data[nid])
from arch/sparc/include/asm/mmzone.h - but instead we get:
#define NODE_DATA(nid) (&contig_page_data)
from include/linux/mmzone.h -- and since the arg is ignored,
the thing really is unused. Rather than put in a confusing
looking __maybe_unused, simply splitting the declaration
from the assignment seemed to me to be the least offensive.
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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o Linux stack estimates MSS from skb->len or skb_shinfo(skb)->gso_size.
In case of LRO skb->len is aggregate of len of number of packets hence MSS
obtained using skb->len would be incorrect. Incorrect estimation of recv MSS
would lead to delayed acks in some traffic patterns (which sends two or three
packets and wait for ack and only then send remaining packets). This leads to
drop in performance. Hence we need to set gso_size to MSS obtained from firmware.
o This is fixed recently in firmware hence the MSS is obtained based on
capability. If fw is capable of sending the MSS then only driver sets the gso_size.
Signed-off-by: Rajesh Borundia <rajesh.borundia@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Driver queries DIMM information from firmware and accordingly
sets "presence" field of the structure.
"presence" field when set to 0xff denotes invalid flag. And when
set to 0x0 denotes DIMM memory is not present.
Signed-off-by: Sucheta Chakraborty <sucheta.chakraborty@qlogic.com>
Signed-off-by: Rajesh Borundia <rajesh.borundia@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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o 0x3, 0x7, 0xF, 0x1F, 0x3F, 0x7F and 0xFF are the allowed capture masks.
Signed-off-by: Manish chopra <manish.chopra@qlogic.com>
Signed-off-by: Rajesh Borundia <rajesh.borundia@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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disable fw dump by default at start up.
Signed-off-by: Sritej Velaga <sritej.velaga@qlogic.com>
Signed-off-by: Rajesh Borundia <rajesh.borundia@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/bwh/sfc-next
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Conflicts:
arch/sh/Kconfig
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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