| Commit message (Collapse) | Author | Age | Files | Lines |
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For non hotplug PCI devices, the system firmware usually configures
CLS correctly. For pccard devices system firmware can't do it and
Linux PCI layer doesn't do it either. Unfortunately this leads to
poor performance for certain devices (sata_sil). Unless MWI, which
requires separate configuration, is to be used, CLS doesn't affect
correctness, so the configuration should be harmless.
This patch makes pci_set_cacheline_size() always built and export it
and make pccard call it during attach.
Please note that some other PCI hotplug drivers (shpchp and pciehp)
also configure CLS on hotplug.
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Daniel Ritz <daniel.ritz@gmx.ch>
Cc: Dominik Brodowski <linux@dominikbrodowski.net>
Cc: Greg KH <greg@kroah.com>
Cc: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Cc: Axel Birndt <towerlexa@gmx.de>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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sparc64 is now the only user of PCI_CACHE_LINE_BYTES. Drop it and set
pci_dfl_cache_line_size from pcibios_init() instead and drop
PCI_CACHE_LINE_BYTES handling from generic pci code.
Orignally-From: David Miller <davem@davemloft.net>
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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Till now, CLS has been determined either by arch code or as
L1_CACHE_BYTES. Only x86 and ia64 set CLS explicitly and x86 doesn't
always get it right. On most configurations, the chance is that
firmware configures the correct value during boot.
This patch makes pci_init() determine CLS by looking at what firmware
has configured. It scans all devices and if all non-zero values
agree, the value is used. If none is configured or there is a
disagreement, pci_dfl_cache_line_size is used. arch can set the dfl
value (via PCI_CACHE_LINE_BYTES or pci_dfl_cache_line_size) or
override the actual one.
ia64, x86 and sparc64 updated to set the default cls instead of the
actual one.
While at it, declare pci_cache_line_size and pci_dfl_cache_line_size
in pci.h and drop private declarations from arch code.
Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: David Miller <davem@davemloft.net>
Acked-by: Greg KH <gregkh@suse.de>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Tony Luck <tony.luck@intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/anholt/drm-intel
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/anholt/drm-intel:
drm/i915: Ironlake suspend/resume support
drm/i915: kill warning in intel_find_pll_g4x_dp
drm/i915: update watermarks before enabling PLLs
drm/i915: add FIFO watermark support for G4x
drm/i915: quiet DP i2c init
drm/i915: fix panel fitting filter coefficient select for Ironlake
drm/i915: fix to setup display reference clock control on Ironlake
drm/i915: Install a fence register for fbc on g4x
drm/i915: save/restore BLC histogram control reg across suspend/resume
drm/i915: Fix FDI M/N setting according with correct color depth
drm/i915: disable powersave feature for Ironlake currently
drm/i915: Fix render reclock availability detection.
drm/i915: Save and restore the GM45 FBC regs on suspend and resume.
drm/i915: Set the LVDS_BORDER when using LVDS scaling mode
drm/i915: disable FBC for Pineview, fixing a boot hang.
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This adds registers save/restore for Ironlake to make suspend work.
Signed-off-by: Guo, Chaohong <chaohong.guo@intel.com>
[zhenyuw: some code re-orgnization, and add more save/restore for
FDI link and transcoder registers, also fix palette register for Ironlake]
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
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Initialize clock.vco to silence gcc.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Eric Anholt <eric@anholt.net>
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When coming back from DPMS or turning on a display, make sure we have
the watermarks set up before turning on the display plane, otherwise we
may get underruns.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Tested-by: Dirk Hohndel <hohndel@infradead.org>
Signed-off-by: Eric Anholt <eric@anholt.net>
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Turns out G4x needs to have sensible watermarks set, especially for
self-refresh enabled modes. Add support for it.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Tested-by: Dirk Hohndel <hohndel@infradead.org>
Signed-off-by: Eric Anholt <eric@anholt.net>
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Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
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Must set filter selection as hardcoded coefficients for medium 3x3
filtering, which matches vbios setting for Ironlake.
This fixes display corrupt issue on HP arrandale with new vbios.
Cc: Stable Team <stable@kernel.org>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
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For new stepping of PCH, the display reference clock
is fully under driver's control. This one trys to setup
all needed reference clock for different outputs. Older
stepping of PCH chipset should be ignoring this.
This fixes output failure issue on newer PCH which requires
driver to take control of reference clock enabling.
Cc: Stable Team <stable@kernel.org>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
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To enable framebuffer compression on a g4x, we not only need the buffer
to tiled (X only), we also need to hold a fence register for the buffer.
Currently we only install a fence register for pre-i965s when setting up
the scanout buffer. Rather than adding some convoluted logic to
g4x_enable_fbc() to acquire a fence register, and perhaps to
g4x_disable_fbc() to release it again, we can extend the acquisition
during setup to all chipsets.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Eric Anholt <eric@anholt.net>
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Turns out some machines, like the ThinkPad X40 don't come back if you
don't save/restore this register.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Eric Anholt <eric@anholt.net>
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FDI M/N calculation hasn't taken the current pipe color depth into account,
but always set as 24bpp. This one checks current pipe color depth setting,
and change FDI M/N calculation a little to use bits_per_pixel first, then
convert to bytes_per_pixel later.
This fixes display corrupt issue on Arrandle LVDS with 1600x900 panel
in 18bpp dual-channel mode.
Cc: Stable Team <stable@kernel.org>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
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Until we figure out the right setting for powersave features on
Ironlake, disable it for now. Also disable watermark update,
which has new registers for it on Ironlake too.
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
[anholt: Resolved against the Pineview FBC changes]
Signed-off-by: Eric Anholt <eric@anholt.net>
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If the device didn't support EDP, we would bail out too soon.
Signed-off-by: Andy Lutomirski <luto@mit.edu>
[anholt: Pulled this patch out of the patch for adding quirks to
enable reclocking.]
Signed-off-by: Eric Anholt <eric@anholt.net>
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This hasn't fixed the regressions we were testing against, but clearly
should be required.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Eric Anholt <eric@anholt.net>
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According to the spec the LVDS_BORDER_ENABLE bit decides whether the border
data should be included in the active display and data sent to the panel.
Border should be used when in VGA centered (un-scaled) mode or when scaling
a 4:3 source image to a wide screen panel (typical 16:9).
So when the LVDS scaling is used, decide whether the LVDS_BORDER should be
enabled or not according to the current scaling mode.
At the same time fix the typo error in LVDS center scaling mode.
https://bugs.freedesktop.org/show_bug.cgi?id=23789
Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
tested-by: Zhao Jian <jian.zhao@intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
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Pineview doesn't have this FBC mechanism, so this code doesn't apply.
Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev
* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev:
sata_via: Remove redundant device ID for VIA VT8261
drivers/ata/libata: Move dereference after NULL test
ahci: Enable SB600 64bit DMA on MSI K9A2 Platinum v2
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Just remove redundant device ID for VIA VT8261.
The device ID 0x9000 and 0x9040 are redundant (for VT8261).
The 0x9040 is reserved for other usage.
Signed-off-by: Joseph Chan <josephchan@via.com.tw>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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In each case, if the NULL test on qc is needed, then the derefernce
should be after the NULL test.
A simplified version of the semantic match that detects this problem is as
follows (http://coccinelle.lip6.fr/):
// <smpl>
@match exists@
expression x, E;
identifier fld;
@@
* x->fld
... when != \(x = E\|&x\)
* x == NULL
// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Like the Asus M2A-VM, MSI's K9A2 Platinum (MS-7376) can also support 64bit
DMA. It is a new enough board that all the BIOS releases work correctly with
64bit DMA enabled.
Signed-off-by: Mark Nelson <mdnelson8@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6
* 'pm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6:
PM: Remove some debug messages producing too much noise
PM: Fix warning on suspend errors
PM / Hibernate: Add newline to load_image() fail path
PM / Hibernate: Fix error handling in save_image()
PM / Hibernate: Fix blkdev refleaks
PM / yenta: Split resume into early and late parts (rev. 4)
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pm_runtime_idle() is somewhat noisy. Remove debug prints.
Signed-off-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
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Fixes the point where we need to complete the power transition when
device suspend fails, so that we don't print warnings about devices
added to the device hierarchy after a failing suspend.
[rjw: Modified changelog.]
Signed-off-by: Romit Dasgupta <romit@ti.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
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Commit 0c570cdeb8fdfcb354a3e9cd81bfc6a09c19de0c
(PM / yenta: Fix cardbus suspend/resume regression) caused resume to
fail on systems with two CardBus bridges. While the exact nature
of the failure is not known at the moment, it can be worked around by
splitting the yenta resume into an early part, executed during the
early phase of resume, that will only resume the socket and power it
up if there was a card in it during suspend, and a late part,
executed during "regular" resume, that will carry out all of the
remaining yenta resume operations.
Fixes http://bugzilla.kernel.org/show_bug.cgi?id=14334, which is a
listed regression from 2.6.31.
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Dominik Brodowski <linux@dominikbrodowski.net>
Reported-by: Stephen J. Gowdy <gowdy@cern.ch>
Tested-by: Jose Marino <braket@hotmail.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: gpio-keys - use IRQF_SHARED
Input: winbond-cir - select LEDS_TRIGGERS
Input: i8042 - try to get stable CTR value when initializing
Input: atkbd - add a quirk for OQO 01+ multimedia keys
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There is nothing that disallows gpio-keys to share it's IRQ line
w/ other drivers. Make it use IRQF_SHARED in request_irq().
An example of other driver with which I'd like to share IRQ line
for GPIO buttons is ledtrig-gpio.
Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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drivers/input/misc/winbond-cir.c depends on LEDS_TRIGGERS so
add an appropriate select to drivers/input/misc/Kconfig
Signed-off-by: David Härdeman <david@hardeman.nu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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If user presses keys while i8042 is being initialized there is a chance
that keyboard data will be mistaken for results of Read Control Register
command causing futher troubles. Work around this issue by reading CTR
several times and stop when we get matching results.
Reported-and-tested-by: Dave Young <hidave.darkstar@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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OQO 01+ multimedia keys produce 6x on press, e0 6x upon release.
As a result, Linux thinks that another key has been pressed (or is
repeating), when it is actually a release of the same key. Mangle the
release scancode when running on OQO so that driver recognizes it as
such.
Since the device does not have external PS/2 ports mangling is safe
since there is no chance that an external keyboard is connected.
Signed-off-by: Jamie Lentin <jm@lentin.co.uk>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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* 'i2c-fixes' of git://git.fluff.org/bjdooks/linux:
i2c-mpc: Do not generate STOP after read.
i2c: imx: disable clock when it's possible to save power.
i2c: imx: only imx1 needs disable delay
i2c: imx: check busy bit when START/STOP
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The driver always ends a read with a STOP condition which
breaks subsequent I2C reads/writes in the same transaction as
these expect to do a repeated START(ReSTART).
This will also help I2C multimaster as the bus will not be released
after the first read, but when the whole transaction ends.
Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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Enable clock before START, disable it after STOP.
Signed-off-by: Richard Zhao <linuxzsc@gmail.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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check cpu_is_mx1() when disable delay.
Signed-off-by: Richard Zhao <linuxzsc@gmail.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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The controller can't do anything else before it actually generates START/STOP.
So we check busy bit to make sure START/STOP is successfully finished.
If we don't check busy bit, START/STOP may fail on some fast CPUs.
Signed-off-by: Richard Zhao <linuxzsc@gmail.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (21 commits)
mac80211: check interface is down before type change
cfg80211: fix NULL ptr deref
libertas if_usb: Fix crash on 64-bit machines
mac80211: fix reason code output endianness
mac80211: fix addba timer
ath9k: fix misplaced semicolon on rate control
b43: Fix DMA TX bounce buffer copying
mac80211: fix BSS leak
rt73usb.c : more ids
ipw2200: fix oops on missing firmware
gre: Fix dev_addr clobbering for gretap
sky2: set carrier off in probe
net: fix sk_forward_alloc corruption
pcnet_cs: add cis of PreMax PE-200 ethernet pcmcia card
r8169: Fix card drop incoming VLAN tagged MTU byte large jumbo frames
ibmtr: possible Read buffer overflow?
net: Fix RPF to work with policy routing
net: fix kmemcheck annotations
e1000e: rework disable K1 at 1000Mbps for 82577/82578
e1000e: config PHY via software after resets
...
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
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On a 64-bit kernel, skb->tail is an offset, not a pointer. The libertas
usb driver passes it to usb_fill_bulk_urb() anyway, causing interesting
crashes. Fix that by using skb->data instead.
This highlights a problem with usb_fill_bulk_urb(). It doesn't notice
when dma_map_single() fails and return the error to its caller as it
should. In fact it _can't_ currently return the error, since it returns
void.
So this problem was showing up only at unmap time, after we'd already
suffered memory corruption by doing DMA to a bogus address.
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Cc: stable@kernel.org
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The patch e43419f9:
ath9k: downgrade assert in rc.c for invalid rate
downgraded an ASSERT to a WARN_ON() but also misplaced a
semicolon at the end of the second check. What this did
was force the rate control code to always return the rate
even if we should have warned about it. Since this should
not have happened anymore anyway this fix isn't critical
as the proper rate would have been returned anyway.
Cc: stable@kernel.org
Reported-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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b43 allocates a bouncebuffer, if the supplied TX skb is in an invalid
memory range for DMA.
However, this is broken in that it fails to copy over some metadata to the
new skb.
This patch fixes three problems:
* Failure to adjust the ieee80211_tx_info pointer to the new buffer.
This results in a kmemcheck warning.
* Failure to copy the skb cb, which contains ieee80211_tx_info, to the new skb.
This results in breakage of various TX-status postprocessing (Rate control).
* Failure to transfer the queue mapping.
This results in the wrong queue being stopped on saturation and can result in queue overflow.
Signed-off-by: Michael Buesch <mb@bu3sch.de>
Tested-by: Christian Casteyde <casteyde.christian@free.fr>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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stolen from windows inf file(07/17/2009, 1.03.05.0000)
Ovislink 0x1b75, 0x7318
MSI 0x0db0, 0x4600
WideTell 0x7167, 0x3840
Signed-off-by: Xose Vazquez Perez <xose.vazquez@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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For non-monitor interfaces, the syntax for alloc_ieee80211/free_80211
is wrong. Because alloc_ieee80211 only creates (wiphy_new) a wiphy, but
free_80211() does wiphy_unregister() also. This is only correct when
the later wiphy_register() is called successfully, which apparently
is not the case for your fw doesn't exist one.
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Before bringing up a sky2 interface up ethtool reports
"Link detected: yes". Do as ixgbe does and netif_carrier_off() on
probe().
Signed-off-by: Brandon Philips <bphilips@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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pcnet_cs,serial_cs:
add cis of PreMax ethernet pcmcia card,
and some Sierra Wireless serial card(AC555, AC7xx, AC8xx).
use PROD_ID for AC7xx, because MANF_ID of AC7xx and AC8xx are the same.
Signed-off-by: Ken Kawasaki <ken_kawasaki@spring.nifty.jp>
Signed-off-by: David S. Miller <davem@davemloft.net>
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r8169 card drop incoming VLAN tagged MTU byte large jumbo frames
It looks to compare current and maximal packet sizes hardware use
'<' operator, not '<='.
Bug introduced by commit fdd7b4c3302c93f6833e338903ea77245eb510b4
("r8169: fix crash when large packets are received")
Signed-off-by: Raimonds Cicans <ray@apollo.lv>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Prevent read outside array bounds.
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch reworks a previous workaround (commit 7d3cabbcc) for an issue
in hardware where noise on the interconnect between the MAC and PHY could
be generated by a lower power mode (K1) at 1000Mbps resulting in bad
packets. Disable K1 while at 1000 Mbps but keep it enabled for 10/100Mbps
and when the cable is disconnected. The original version of this
workaround was found to be incomplete.
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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