| Commit message (Collapse) | Author | Age | Files | Lines |
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An earlier update changed some calls from simple_strotl to strict_strtol but
did not account for the differences in the syntax between the calls.
simple_strotl returns the integer; strict_strtol returns an error code and
takes a pointer to the result. As it was, NULL was being passed in place of
the result, which led to failures during kernel initialization when using
YAMON.
Signed-off-by: Kevin Hickey <khickey@rmicorp.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Bug originally found and reported by Julia Lawall <julia@diku.dk>. I
decieded that the whole error check was mostly useless paranoia and should
be discarded. It would only ever trigger if r3k_have_wired_reg has a wrong
value.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
powerpc/mm: Lockless get_user_pages_fast() for 64-bit (v3)
powerpc: Don't use the wrong thread_struct for ptrace get/set VSX regs
powerpc: Fix ptrace buffer size for VSX
powerpc: Correctly hookup PTRACE_GET/SETVSRREGS for 32 bit processes
ide/powermac: Fix use of uninitialized pointer on media-bay
powerpc: Allow non-hcall return values for lparcfg writes
ipmi/powerpc: Use linux/of_{device,platform}.h instead of asm
powerpc/fsl: proliferate simple-bus compatibility to soc nodes
Documentation: remove old sbc8260 board specific information
cpm2: Rework baud rate generators configuration to support external clocks.
powerpc: rtc_cmos_setup: assign interrupts only if there is i8259 PIC
cpm_uart: Add generic clock API support to set baudrates
cpm_uart: Modem control lines support
powerpc: implement GPIO LIB API on CPM1 Freescale SoC.
cpm2: Implement GPIO LIB API on CPM2 Freescale SoC.
powerpc: Fix 8xx build failure
powerpc: clean up the Book-E HW watchpoint support
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Implement lockless get_user_pages_fast for 64-bit powerpc.
Page table existence is guaranteed with RCU, and speculative page references
are used to take a reference to the pages without having a prior existence
guarantee on them.
Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Dave Kleikamp <shaggy@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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In PTRACE_GET/SETVSRREGS, we should be using the thread we are
ptracing rather than current.
Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Fix cut-and-paste error in the size setting for ptrace buffers for VSX.
Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Fix bug where PTRACE_GET/SETVSRREGS are not connected for 32 bit processes.
Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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The current ide-pmac calls media_bay_set_ide_infos() with an
uninitialized "hwif" argument. The proper fix is to split the
allocation of the hwif from its registration in order to properly
setup the mediabay informations before registration.
Acked-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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The code to handle writes to /proc/ppc64/lparcfg incorrectly
assumes that the return code from the helper routines to update
processor or memory entitlement return a hcall return value. It
then assumes any non-hcall return value is bad and sets the return
code for the write to be -EIO.
The update_[mp]pp routines can return values other than a hcall
return value. This patch removes the automatic setting of any
return code that is not an hcall return value from these routines
to -EIO.
Signed-off-by: Nathan Fontenot <nfont@austin.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Drivers should not include the asm variants anymore
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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add simple-bus compatible property to soc nodes for 83xx/85xx platforms
that were missing them. Add same to platform probe code.
This fixes SoC device drivers (such as talitos) to succeed in matching
devices present in the soc node.
also update mpc836x_rdk dts to new SEC bindings (overlooked in commit
3fd4473: powerpc/fsl: update crypto node definition and device tree
instances).
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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This file contains 8 yr. old board specific information that was for
the now gone ppc implementation, and it pre-dates widespread u-boot
support. Any of the technical details of the board memory map would be
more appropriately captured in a dts if I revive it as powerpc anyway.
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Acked-by: Jason Wessel <jason.wessel@windriver.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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The CPM2 BRG setup functions cpm_setbrg and cpm2_fastbrg don't support
external clocks. This patch adds a new exported __cpm2_setbrg function
that takes the clock rate and clock source as extra parameters, and moves
cpm_setbrg and cpm2_fastbrg to include/asm-powerpc/cpm2.h where they
become inline wrappers around __cpm2_setbrg.
Signed-off-by: Laurent Pinchart <laurentp@cse-semaphore.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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i8259 PIC is disabled on MPC8610HPCD boards, thus currently rtc-cmos
driver fails to probe.
To fix the issue, we lookup the device tree for "chrp,iic" and
"pnpPNP,000" compatible devices, and if not found we do not assign RTC
IRQ and assuming that i8259 was disabled.
Though this patch fixes RTC on some boards (and surely should not break
any other), the whole approach is still broken. We can't easily fix this
though, because old device trees do not specify i8259 interrupts for the
cmos rtc node.
Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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This patch introduces baudrate setting support via the generic clock API.
When present the optional device tree clock property is used instead of
fsl-cpm-brg. Platforms can then define complex clock schemes, to output
the serial clock on an external pin for instance.
Signed-off-by: Laurent Pinchart <laurentp@cse-semaphore.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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This patch replaces the get_mctrl/set_mctrl stubs with modem control line
read/write access through the GPIO lib.
Available modem control lines are described in the device tree using GPIO
bindings. The driver expect a GPIO pin for each of the CTS, RTS, DCD, DSR,
DTR and RI signals. Unused control lines can be left out.
Signed-off-by: Laurent Pinchart <laurentp@cse-semaphore.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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This patch implement GPIO LIB support for the CPM1 GPIOs.
Signed-off-by: Jochen Friedrich <jochen@scram.de>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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This patch implement GPIO LIB support for the CPM2 GPIOs. The code can
also be used for CPM1 GPIO port E, as both cores are compatible at the
register level.
Based on earlier work by Laurent Pinchart.
Signed-off-by: Jochen Friedrich <jochen@scram.de>
Cc: Laurent Pinchart <laurentp@cse-semaphore.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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The 'powerpc ioremap_prot' broke 8xx builds:
include2/asm/pgtable-ppc32.h:555: error: '_PAGE_WRITETHRU' undeclared (first use in this function)
include2/asm/pgtable-ppc32.h:555: error: (Each undeclared identifier is reported only once
include2/asm/pgtable-ppc32.h:555: error: for each function it appears in.)
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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* CONFIG_BOOKE is selected by CONFIG_44x so we dont need both
* Fixed a few comments
* Go back to only using DBCR0_IDM to determine if we are using
debug resources.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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when you take the address of the result. Noticed on a sparc64 compile
using a version 3.4.5 cross compiler.
kernel/time/tick-common.c: In function `tick_check_new_device':
kernel/time/tick-common.c:210: error: invalid lvalue in unary `&'
...
Just make it a regular expression.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Acked-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (47 commits)
net: Make "networking" one-click deselectable.
ipv6: Fix useless proc net sockstat6 removal
tcp: MD5: Use MIB counter instead of warning for MD5 mismatch.
pkt_sched: Fix OOPS on ingress qdisc add.
niu: Fix error checking in niu_ethflow_to_class.
IPv6: datagram_send_ctl() should exit immediately when an error occured
mac80211: fix mesh beaconing
PS3: gelic: use unsigned long for irqflags
mac80211: fix cfg80211 hooks for master interface
nl80211: fix dump callbacks
mac80211: partially fix skb->cb use
rtl8187: Improve wireless statistics for RTL8187B
rtl8187: Fix for TX sequence number problem
mac80211: append CONFIG_ to MAC80211_VERBOSE_PS_DEBUG in net/mac80211/tx.c.
mac80211: fix sparse integer as NULL pointer warning
drivers/net/wireless/iwlwifi/iwl-led.c: printk fix
mac80211: return correct error return from ieee80211_wep_init
mac80211: tx, use dev_kfree_skb_any for beacon_get
rt2x00: Clear queue entry flags during initialization
rt2x00: Force full register config after start()
...
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Use a menuconfig directive to make all of networking support one-click
deselectable from the top-level menu.
Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This call is no longer needed, sockstat6 is per namespace so it is
removed at the namespace subsystem destruction.
Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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From a report by Matti Aarnio, and preliminary patch by Adam Langley.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Bug report from Steven Jan Springl:
Issuing the following command causes a kernel oops:
tc qdisc add dev eth0 handle ffff: ingress
The problem mostly stems from all of the special case handling of
ingress qdiscs.
So, to fix this, do the grafting operation the same way we do for TX
qdiscs. Which means that dev_activate() and dev_deactivate() now do
the "qdisc_sleeping <--> qdisc" transitions on dev->rx_queue too.
Future simplifications are possible now, mainly because it is
impossible for dev_queue->{qdisc,qdisc_sleeping} to be NULL. There
are NULL checks all over to handle the ingress qdisc special case
that used to exist before this commit.
Signed-off-by: David S. Miller <davem@davemloft.net>
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The callers of niu_ethflow_to_class expect zero as error, but it returns
-1 instead.
Signed-off-by: Andreas Schwab <schwab@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When an error occured, datagram_send_ctl() should exit immediately rather than
continue to run the for loop. Otherwise, the variable err might be changed and
the error might be hidden.
Fix this bug by using "goto" instead of "break".
Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
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This patch fixes mesh beaconing, which was broken by "mac80211: revamp
beacon configuration".
Signed-off-by: Luis Carlos Cobo <luisca@cozybit.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The semantic patch I used was this:
@@
expression lock;
identifier flags;
expression subclass;
@@
- unsigned int flags;
+ unsigned long flags;
...
<+...
(
spin_lock_irqsave(lock, flags)
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_spin_lock_irqsave(lock)
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spin_unlock_irqrestore(lock, flags)
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_spin_unlock_irqrestore(lock, flags)
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read_lock_irqsave(lock, flags)
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_read_lock_irqsave(lock)
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read_unlock_irqrestore(lock, flags)
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_read_unlock_irqrestore(lock, flags)
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write_lock_irqsave(lock, flags)
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_write_lock_irqsave(lock)
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write_unlock_irqrestore(lock, flags)
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_write_unlock_irqrestore(lock, flags)
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spin_lock_irqsave_nested(lock, flags, subclass)
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_spin_lock_irqsave_nested(lock, subclass)
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spin_unlock_irqrestore(lock, flags)
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_spin_unlock_irqrestore(lock, flags)
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_raw_spin_lock_flags(lock, flags)
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__raw_spin_lock_flags(lock, flags)
)
...+>
This patch was generated using the Coccinelle framework.
Cc: Masakazu Mokuno <mokuno@sm.sony.co.jp>
Cc: Julia Lawall <julia@diku.dk>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Vegard Nossum <vegard.nossum@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The master interface is a virtual interface that is registered
to mac80211, changing that does not seem like a good idea at
the moment. However, since it has no sdata, we cannot accept
any configuration for it. This patch makes the cfg80211 hooks
reject any such attempt.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Julius Volz pointed out that the dump callbacks in nl80211 were
broken and fixed one of them. This patch fixes the other three
and also addresses the TODOs there.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Cc: Julius Volz <juliusv@google.com>
Cc: Thomas Graf <tgraf@suug.ch>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch fixes mac80211 to not use the skb->cb over the queue step
from virtual interfaces to the master. The patch also, for now,
disables aggregation because that would still require requeuing,
will fix that in a separate patch. There are two other places (software
requeue and powersaving stations) where requeue can happen, but that is
not currently used by any drivers/not possible to use respectively.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Wireless statistics produced by the RTL8187B driver are not particularly
informative about the strength of the received signal. From the data sheet
provided by Realtek, I discovered that certain parts of the RX header
should have the information necessary to calculate signal quality and
strength. With testing, it became clear that most of these quantities were
very jittery - only the AGC correlated with the signals expected from nearby
AP's. As a result, the quality and strength are derived from the agc value.
The scaling has been determined so that the numbers are close to those
obtained by b43 under the same conditions. The results are qualitatively
correct.
Statistics derived for the RTL8187 have not been changed.
The RX header variables have been renamed to match the quantites described
in the Realtek data sheet.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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"mac80211: fix TX sequence numbers" broke rtl8187. This
patch makes the same kind of fix that was done for rt2x00. Note that
this code will have to be reworked for proper sequence numbers on beacons.
In addition, the sequence number has been placed in the hardware state,
not the vif state.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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In net/mac80211/tx.c, there are some #ifdef which checks
MAC80211_VERBOSE_PS_DEBUG
(which in fact is never set) instead of
CONFIG_MAC80211_VERBOSE_PS_DEBUG, as should be.
This patch replaces MAC80211_VERBOSE_PS_DEBUG with
CONFIG_MAC80211_VERBOSE_PS_DEBUG in these #ifdef commands in
net/mac80211/tx.c.
Signed-off-by: Rami Rosen <ramirose@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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drivers/net/wireless/mac80211_hwsim.c:503:20: warning: Using plain integer as NULL pointer
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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ia64:
drivers/net/wireless/iwlwifi/iwl-led.c: In function `iwl_get_blink_rate':
drivers/net/wireless/iwlwifi/iwl-led.c:271: warning: long long int format, s64 arg (arg 6)
drivers/net/wireless/iwlwifi/iwl-led.c:271: warning: long long int format, u64 arg (arg 7)
We do not know what type the architecture uses to impement u64 and s64,
hence we must cast the variables for printing.
Cc: Tomas Winkler <tomas.winkler@intel.com>
Cc: John W. Linville <linville@tuxdriver.com>
Cc: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Return the proper error code rather than a hard-coded ENOMEM from
ieee80211_wep_init. Also, print the error code on failure.
Signed-off-by: Jeremy Fitzhardinge <jeremy@goop.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Use dev_kfree_skb_any(); instead of dev_kfree_skb();, since
ieee80211_beacon_get function might be called from atomic.
(It's in a fail path.)
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Cc: Johannes Berg <johannes@sipsolutions.net>
Cc: Michael Wu <flamingice@sourmilk.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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When the queues are being initialized the entry flags fields must be
reset to 0. When this does not happen some entries might still be
marked as "occupied" after an ifdown & ifup cycle which would trigger
errors when the entry is being accessed:
phy0 -> rt2x00queue_write_tx_frame: Error - Arrived at non-free entry in the non-full queue 0.
Please file bug report to http://rt2x00.serialmonkey.com.
This also fixes the mac80211 warning:
------------[ cut here ]------------
WARNING: at net/mac80211/tx.c:1238 ieee80211_master_start_xmit+0x30a/0x350 [mac80211]()
which was triggered by the queue error.
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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rt2x00 will only perform configuration changes from
mac80211 when the configuration option has changed.
This means it keeps track of the current active configuration
and will check these values when the config() callback function
is used.
However this causes breakage when the interface has been
brought down and up again, since all stored active values
aren't reset while the registers might have.
This is for example the case with rt61pci antenna registers which
will jump to invalid values when the interface has been started.
To make sure a full configuration takes place after the start()
callback function, a new flag is added which will be checked
during config() and skips the "what's changed" phase.
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The mutex is released on a successful return, so it would seem that it
should be released on an error return as well.
The semantic patch finds this problem is as follows:
(http://www.emn.fr/x-info/coccinelle/)
// <smpl>
@@
expression l;
@@
mutex_lock(l);
... when != mutex_unlock(l)
when any
when strict
(
if (...) { ... when != mutex_unlock(l)
+ mutex_unlock(l);
return ...;
}
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mutex_unlock(l);
)
// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Michael Buesch <mb@bu3sch.de>
Cc: stable <stable@kernel.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The mutex is released on a successful return, so it would seem that it
should be released on an error return as well.
The semantic patch finds this problem is as follows:
(http://www.emn.fr/x-info/coccinelle/)
// <smpl>
@@
expression l;
@@
mutex_lock(l);
... when != mutex_unlock(l)
when any
when strict
(
if (...) { ... when != mutex_unlock(l)
+ mutex_unlock(l);
return ...;
}
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mutex_unlock(l);
)
// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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When sending the RTS/CTS frame fails, we should
free the skb buffer which was created.
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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When IEEE80211_TX_CTL_ASSIGN_SEQ is not set,
the driver should disable hardware sequence counting
to make sure the mac80211 provided counter is used.
This fixes QOS sequence counting, since that is one
of the cases where mac80211 provides a seperate
sequence counter.
By moving the sequence counting code to rt2x00queue
we make sure that _all_ frames get the sequence counter,
including RTS/CTS and Beacon frames.
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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When setting up a beacon template, the length of the beacon is
calculated with the assumption that the SKB already contains
the Tx descriptor. In the case of beacons it doesn't.
This patch undoes the damage by adding the Tx descriptor length
to the beacon length. This is safe, because the shortest possible
beacon is longer than the Tx header.
Signed-off-by: Iwo Mergler <Iwo@call-direct.com.au>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Switches rt73usb to use large vendor requests for firmware
and beacons. This also fixes the garbled beacon bug.
Signed-off-by: Iwo Mergler <Iwo@call-direct.com.au>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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