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2009-03-25netfilter: {ip,ip6,arp}_tables: fix incorrect loop detectionPatrick McHardy
Commit e1b4b9f ([NETFILTER]: {ip,ip6,arp}_tables: fix exponential worst-case search for loops) introduced a regression in the loop detection algorithm, causing sporadic incorrectly detected loops. When a chain has already been visited during the check, it is treated as having a standard target containing a RETURN verdict directly at the beginning in order to not check it again. The real target of the first rule is then incorrectly treated as STANDARD target and checked not to contain invalid verdicts. Fix by making sure the rule does actually contain a standard target. Based on patch by Francis Dupont <Francis_Dupont@isc.org> Signed-off-by: Patrick McHardy <kaber@trash.net>
2009-03-25x86: Correct behaviour of irq affinityRusty Russell
Impact: get correct smp_affinity as user requested The effect of setting desc->affinity (ie. from userspace via sysfs) has varied over time. In 2.6.27, the 32-bit code anded the value with cpu_online_map, and both 32 and 64-bit did that anding whenever a cpu was unplugged. 2.6.29 consolidated this into one routine (and fixed hotplug) but introduced another variation: anding the affinity with cfg->domain. We should just set it to what the user said - if possible. (cpu_mask_to_apicid_and already takes cpu_online_mask into account) Signed-off-by: Yinghai Lu <yinghai@kernel.org> Acked-by: "Eric W. Biederman" <ebiederm@xmission.com> Cc: Andrew Morton <akpm@linux-foundation.org> LKML-Reference: <49C94DDF.2010703@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-03-25netfilter: limit the length of the helper nameHolger Eitzenberger
This is necessary in order to have an upper bound for Netlink message calculation, which is not a problem at all, as there are no helpers with a longer name. Signed-off-by: Holger Eitzenberger <holger@eitzenberger.org> Signed-off-by: Patrick McHardy <kaber@trash.net>
2009-03-25netlink: add nla_policy_len()Holger Eitzenberger
It calculates the max. length of a Netlink policy, which is usefull for allocating Netlink buffers roughly the size of the actual message. Signed-off-by: Holger Eitzenberger <holger@eitzenberger.org> Signed-off-by: Patrick McHardy <kaber@trash.net>
2009-03-25netfilter: ctnetlink: add callbacks to the per-proto nlattrsHolger Eitzenberger
There is added a single callback for the l3 proto helper. The two callbacks for the l4 protos are necessary because of the general structure of a ctnetlink event, which is in short: CTA_TUPLE_ORIG <l3/l4-proto-attributes> CTA_TUPLE_REPLY <l3/l4-proto-attributes> CTA_ID ... CTA_PROTOINFO <l4-proto-attributes> CTA_TUPLE_MASTER <l3/l4-proto-attributes> Therefore the formular is size := sizeof(generic-nlas) + 3 * sizeof(tuple_nlas) + sizeof(protoinfo_nlas) Some of the NLAs are optional, e. g. CTA_TUPLE_MASTER, which is only set if it's an expected connection. But the number of optional NLAs is small enough to prevent netlink_trim() from reallocating if calculated properly. Signed-off-by: Holger Eitzenberger <holger@eitzenberger.org> Signed-off-by: Patrick McHardy <kaber@trash.net>
2009-03-25netfilter: factorize ifname_compare()Eric Dumazet
We use same not trivial helper function in four places. We can factorize it. Signed-off-by: Eric Dumazet <dada1@cosmosbay.com> Signed-off-by: Patrick McHardy <kaber@trash.net>
2009-03-25netfilter: nf_conntrack: use hlist_add_head_rcu() in nf_conntrack_set_hashsize()Eric Dumazet
Using hlist_add_head() in nf_conntrack_set_hashsize() is quite dangerous. Without any barrier, one CPU could see a loop while doing its lookup. Its true new table cannot be seen by another cpu, but previous table is still readable. Signed-off-by: Eric Dumazet <dada1@cosmosbay.com> Signed-off-by: Patrick McHardy <kaber@trash.net>
2009-03-25netfilter: fix xt_LED build failurePatrick McHardy
net/netfilter/xt_LED.c:40: error: field netfilter_led_trigger has incomplete type net/netfilter/xt_LED.c: In function led_timeout_callback: net/netfilter/xt_LED.c:78: warning: unused variable ledinternal net/netfilter/xt_LED.c: In function led_tg_check: net/netfilter/xt_LED.c:102: error: implicit declaration of function led_trigger_register net/netfilter/xt_LED.c: In function led_tg_destroy: net/netfilter/xt_LED.c:135: error: implicit declaration of function led_trigger_unregister Fix by adding a dependency on LED_TRIGGERS. Reported-by: Sachin Sant <sachinp@in.ibm.com> Tested-by: Subrata Modak <tosubrata@gmail.com> Signed-off-by: Patrick McHardy <kaber@trash.net>
2009-03-25x86: early_ioremap_init(), use __fix_to_virt(), because we are sure it's safeWang Chen
Tetsuo Handa reported this link bug: | arch/x86/mm/built-in.o(.init.text+0x1831): In function `early_ioremap_init': | : undefined reference to `__this_fixmap_does_not_exist' | make: *** [.tmp_vmlinux1] Error 1 Commit:8827247ffcc9e880cbe4705655065cf011265157 used a variable (which would be optimized to constant) as fix_to_virt()'s parameter. It's depended on gcc's optimization and fails on old gcc. (Tetsuo used gcc 3.3) We can use __fix_to_vir() instead, because we know it's safe and don't need link time error reporting. Reported-by: Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp> Signed-off-by: Wang Chen <wangchen@cn.fujitsu.com> Cc: sfr@canb.auug.org.au LKML-Reference: <49C9FFEA.7060908@cn.fujitsu.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-03-25sched: Add comments to find_busiest_group() functionGautham R Shenoy
Impact: cleanup Add /** style comments around find_busiest_group(). Also add a few explanatory comments. This concludes the find_busiest_group() cleanup. The function is now down to 72 lines from the original 313 lines. Signed-off-by: Gautham R Shenoy <ego@in.ibm.com> Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Suresh Siddha <suresh.b.siddha@intel.com> Cc: "Balbir Singh" <balbir@in.ibm.com> Cc: Nick Piggin <nickpiggin@yahoo.com.au> Cc: "Dhaval Giani" <dhaval@linux.vnet.ibm.com> Cc: Bharata B Rao <bharata@linux.vnet.ibm.com> Cc: "Vaidyanathan Srinivasan" <svaidy@linux.vnet.ibm.com> LKML-Reference: <20090325091427.13992.18933.stgit@sofia.in.ibm.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-03-25MAINTAINERS: Add myself as Faraday ARM core variant maintainerPaulius Zaleckas
Signed-off-by: Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
2009-03-25ARM: Add support for FA526 v2Paulius Zaleckas
Adds support for Faraday FA526 core. This core is used at least by: Cortina Systems Gemini and Centroid family Cavium Networks ECONA family Grain Media GM8120 Pixelplus ImageARM Prolific PL-1029 Faraday IP evaluation boards v2: - move TLB_BTB to separate patch - update copyrights Signed-off-by: Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
2009-03-25[ARM] acorn,ebsa110,footbridge,integrator,sa1100: Convert asm/io.h to linux/io.hRussell King
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2009-03-25[ARM] collie: fix two minor formatting nitsRussell King
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2009-03-25[ARM] 5431/1: scoop: completely drop old-style SCOOP GPIO accessorsDmitry Baryshkov
Now, as all places that use Scoop GPIO have been converted to use GPIO API, drop old-style accessors completely. Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2009-03-25[ARM] 5430/1: collie_pm: use new GPIO API to control chargerDmitry Baryshkov
Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2009-03-25[ARM] 5429/1: collie: start scoop converton to new apiDmitry Baryshkov
Start converting scoop gpio access to new API instead of old deprecated one. Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2009-03-25Merge git://git.marvell.com/orion into develRussell King
2009-03-25sched: Refactor the power savings balance codeGautham R Shenoy
Impact: cleanup Create seperate helper functions to initialize the power-savings-balance related variables, to update them and to check if we have a scope for performing power-savings balance. Add no-op inline functions for the !(CONFIG_SCHED_MC || CONFIG_SCHED_SMT) case. This will eliminate all the #ifdef jungle in find_busiest_group() and the other helper functions. Signed-off-by: Gautham R Shenoy <ego@in.ibm.com> Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Suresh Siddha <suresh.b.siddha@intel.com> Cc: "Balbir Singh" <balbir@in.ibm.com> Cc: Nick Piggin <nickpiggin@yahoo.com.au> Cc: "Dhaval Giani" <dhaval@linux.vnet.ibm.com> Cc: Bharata B Rao <bharata@linux.vnet.ibm.com> Cc: "Vaidyanathan Srinivasan" <svaidy@linux.vnet.ibm.com> LKML-Reference: <20090325091422.13992.73616.stgit@sofia.in.ibm.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-03-25sched: Optimize the !power_savings_balance during fbg()Gautham R Shenoy
Impact: cleanup, micro-optimization We don't need to perform power_savings balance if either the cpu is NOT_IDLE or if the sched_domain doesn't contain the SD_POWERSAVINGS_BALANCE flag set. Currently, we check for these conditions multiple number of times, even though these variables don't change over the scope of find_busiest_group(). Check once, and store the value in the already exiting "power_savings_balance" variable. Signed-off-by: Gautham R Shenoy <ego@in.ibm.com> Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Suresh Siddha <suresh.b.siddha@intel.com> Cc: "Balbir Singh" <balbir@in.ibm.com> Cc: Nick Piggin <nickpiggin@yahoo.com.au> Cc: "Dhaval Giani" <dhaval@linux.vnet.ibm.com> Cc: Bharata B Rao <bharata@linux.vnet.ibm.com> Cc: "Vaidyanathan Srinivasan" <svaidy@linux.vnet.ibm.com> LKML-Reference: <20090325091417.13992.2657.stgit@sofia.in.ibm.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-03-25sched: Create a helper function to calculate imbalanceGautham R Shenoy
Move all the imbalance calculation out of find_busiest_group() through this helper function. With this change, the structure of find_busiest_group() will be as follows: - update_sched_domain_statistics. - check if imbalance exits. - update imbalance and return busiest. Signed-off-by: Gautham R Shenoy <ego@in.ibm.com> Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Suresh Siddha <suresh.b.siddha@intel.com> Cc: "Balbir Singh" <balbir@in.ibm.com> Cc: Nick Piggin <nickpiggin@yahoo.com.au> Cc: "Dhaval Giani" <dhaval@linux.vnet.ibm.com> Cc: Bharata B Rao <bharata@linux.vnet.ibm.com> Cc: "Vaidyanathan Srinivasan" <svaidy@linux.vnet.ibm.com> LKML-Reference: <20090325091411.13992.43293.stgit@sofia.in.ibm.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-03-25sched: Create helper to calculate small_imbalance in fbg()Gautham R Shenoy
Impact: cleanup We have two places in find_busiest_group() where we need to calculate the minor imbalance before returning the busiest group. Encapsulate this functionality into a seperate helper function. Credit: Vaidyanathan Srinivasan <svaidy@linux.vnet.ibm.com> Signed-off-by: Gautham R Shenoy <ego@in.ibm.com> Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Suresh Siddha <suresh.b.siddha@intel.com> Cc: "Balbir Singh" <balbir@in.ibm.com> Cc: Nick Piggin <nickpiggin@yahoo.com.au> Cc: "Dhaval Giani" <dhaval@linux.vnet.ibm.com> Cc: Bharata B Rao <bharata@linux.vnet.ibm.com> LKML-Reference: <20090325091406.13992.54316.stgit@sofia.in.ibm.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-03-25sched: Create a helper function to calculate sched_domain stats for fbg()Gautham R Shenoy
Impact: cleanup Create a helper function named update_sd_lb_stats() to update the various sched_domain related statistics in find_busiest_group(). With this we would have moved all the statistics computation out of find_busiest_group(). Credit: Vaidyanathan Srinivasan <svaidy@linux.vnet.ibm.com> Signed-off-by: Gautham R Shenoy <ego@in.ibm.com> Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Suresh Siddha <suresh.b.siddha@intel.com> Cc: "Balbir Singh" <balbir@in.ibm.com> Cc: Nick Piggin <nickpiggin@yahoo.com.au> Cc: "Dhaval Giani" <dhaval@linux.vnet.ibm.com> Cc: Bharata B Rao <bharata@linux.vnet.ibm.com> LKML-Reference: <20090325091401.13992.88737.stgit@sofia.in.ibm.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-03-25sched: Define structure to store the sched_domain statistics for fbg()Gautham R Shenoy
Impact: cleanup Currently we use a lot of local variables in find_busiest_group() to capture the various statistics related to the sched_domain. Group them together into a single data structure. This will help us to offload the job of updating the sched_domain statistics to a helper function. Credit: Vaidyanathan Srinivasan <svaidy@linux.vnet.ibm.com> Signed-off-by: Gautham R Shenoy <ego@in.ibm.com> Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Suresh Siddha <suresh.b.siddha@intel.com> Cc: "Balbir Singh" <balbir@in.ibm.com> Cc: Nick Piggin <nickpiggin@yahoo.com.au> Cc: "Dhaval Giani" <dhaval@linux.vnet.ibm.com> Cc: Bharata B Rao <bharata@linux.vnet.ibm.com> LKML-Reference: <20090325091356.13992.25970.stgit@sofia.in.ibm.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-03-25sched: Create a helper function to calculate sched_group stats for fbg()Gautham R Shenoy
Impact: cleanup Create a helper function named update_sg_lb_stats() which can be invoked to calculate the individual group's statistics in find_busiest_group(). This reduces the lenght of find_busiest_group() considerably. Credit: Vaidyanathan Srinivasan <svaidy@linux.vnet.ibm.com> Signed-off-by: Gautham R Shenoy <ego@in.ibm.com> Aked-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Suresh Siddha <suresh.b.siddha@intel.com> Cc: "Balbir Singh" <balbir@in.ibm.com> Cc: Nick Piggin <nickpiggin@yahoo.com.au> Cc: "Dhaval Giani" <dhaval@linux.vnet.ibm.com> Cc: Bharata B Rao <bharata@linux.vnet.ibm.com> LKML-Reference: <20090325091351.13992.43461.stgit@sofia.in.ibm.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-03-25sched: Define structure to store the sched_group statistics for fbg()Gautham R Shenoy
Impact: cleanup Currently a whole bunch of variables are used to store the various statistics pertaining to the groups we iterate over in find_busiest_group(). Group them together in a single data structure and add appropriate comments. This will be useful later on when we create helper functions to calculate the sched_group statistics. Credit: Vaidyanathan Srinivasan <svaidy@linux.vnet.ibm.com> Signed-off-by: Gautham R Shenoy <ego@in.ibm.com> Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Suresh Siddha <suresh.b.siddha@intel.com> Cc: "Balbir Singh" <balbir@in.ibm.com> Cc: Nick Piggin <nickpiggin@yahoo.com.au> Cc: "Dhaval Giani" <dhaval@linux.vnet.ibm.com> Cc: Bharata B Rao <bharata@linux.vnet.ibm.com> LKML-Reference: <20090325091345.13992.20099.stgit@sofia.in.ibm.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-03-25sched: Fix indentations in find_busiest_group() using gotosGautham R Shenoy
Impact: cleanup Some indentations in find_busiest_group() can minimized by using early exits with the help of gotos. This improves readability in a couple of cases. Signed-off-by: Gautham R Shenoy <ego@in.ibm.com> Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Suresh Siddha <suresh.b.siddha@intel.com> Cc: "Balbir Singh" <balbir@in.ibm.com> Cc: Nick Piggin <nickpiggin@yahoo.com.au> Cc: "Dhaval Giani" <dhaval@linux.vnet.ibm.com> Cc: Bharata B Rao <bharata@linux.vnet.ibm.com> Cc: "Vaidyanathan Srinivasan" <svaidy@linux.vnet.ibm.com> LKML-Reference: <20090325091340.13992.45062.stgit@sofia.in.ibm.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-03-25sched: Simple helper functions for find_busiest_group()Gautham R Shenoy
Impact: cleanup Currently the load idx calculation code is in find_busiest_group(). Move that to a static inline helper function. Similary, to find the first cpu of a sched_group we use cpumask_first(sched_group_cpus(group)) Use a helper to that. It improves readability in some cases. Signed-off-by: Gautham R Shenoy <ego@in.ibm.com> Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Suresh Siddha <suresh.b.siddha@intel.com> Cc: "Balbir Singh" <balbir@in.ibm.com> Cc: Nick Piggin <nickpiggin@yahoo.com.au> Cc: "Dhaval Giani" <dhaval@linux.vnet.ibm.com> Cc: Bharata B Rao <bharata@linux.vnet.ibm.com> Cc: "Vaidyanathan Srinivasan" <svaidy@linux.vnet.ibm.com> LKML-Reference: <20090325091335.13992.55424.stgit@sofia.in.ibm.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-03-25Merge branch 'sched/cleanups'; commit 'v2.6.29' into sched/coreIngo Molnar
2009-03-25[WATCHDOG] i6300esb.c: start lockingWim Van Sebroeck
Change the start function in preparation of the generic watchdog code. Also make sure that locking of the start function is OK. Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2009-03-25[WATCHDOG] i6300esb.c: convert to platform device driverWim Van Sebroeck
Convert the Intel 6300ESB watchdog timer to a platform device driver. Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2009-03-25[WATCHDOG] wdt.c: remove #ifdef CONFIG_WDT_501Alan Cox
Change the wdt.c watchdog driver so that the code is the same for both the WDT500 as the WDT501-P card. The selection of the card is now being done via the module parameter: 'type' instead of the config option CONFIG_WDT_501. Signed-off-by: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2009-03-25[WATCHDOG] Fix io.h & uaccess.h includes.Wim Van Sebroeck
Fix following includes: * #include <asm/io.h> should be #include <linux/io.h> * #include <asm/uaccess.h> should be #include <linux/uaccess.h> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2009-03-25[WATCHDOG] More coding-style and trivial clean-upWim Van Sebroeck
Some more cleaning-up of the watchdog drivers. Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2009-03-25[WATCHDOG] struct file_operations should be constWim Van Sebroeck
Fix following warnings: WARNING: struct file_operations should normally be const Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2009-03-25[WATCHDOG] cpwd.c: Coding style - Clean-upWim Van Sebroeck
This brings the cpwd.c watchdog driver in line with the kernel's coding style. Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2009-03-25[WATCHDOG] hpwdt.c: Add new HP BMC controller. Thomas Mingarelli
Add the PCI-ID for the upcoming new BMC controller for HP hardware. Signed-off-by: Thomas Mingarelli <Thomas.Mingarelli@hp.com> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2009-03-25[PATCH 13/13] drivers/watchdog: use USB API functions rather than constantsJulia Lawall
This set of patches introduces calls to the following set of functions: usb_endpoint_dir_in(epd) usb_endpoint_dir_out(epd) usb_endpoint_is_bulk_in(epd) usb_endpoint_is_bulk_out(epd) usb_endpoint_is_int_in(epd) usb_endpoint_is_int_out(epd) usb_endpoint_num(epd) usb_endpoint_type(epd) usb_endpoint_xfer_bulk(epd) usb_endpoint_xfer_control(epd) usb_endpoint_xfer_int(epd) usb_endpoint_xfer_isoc(epd) In some cases, introducing one of these functions is not possible, and it just replaces an explicit integer value by one of the following constants: USB_ENDPOINT_XFER_BULK USB_ENDPOINT_XFER_CONTROL USB_ENDPOINT_XFER_INT USB_ENDPOINT_XFER_ISOC An extract of the semantic patch that makes these changes is as follows: (http://www.emn.fr/x-info/coccinelle/) // <smpl> @r1@ struct usb_endpoint_descriptor *epd; @@ - ((epd->bmAttributes & \(USB_ENDPOINT_XFERTYPE_MASK\|3\)) == - \(USB_ENDPOINT_XFER_CONTROL\|0\)) + usb_endpoint_xfer_control(epd) @r5@ struct usb_endpoint_descriptor *epd; @@ - ((epd->bEndpointAddress & \(USB_ENDPOINT_DIR_MASK\|0x80\)) == - \(USB_DIR_IN\|0x80\)) + usb_endpoint_dir_in(epd) @inc@ @@ #include <linux/usb.h> @depends on !inc && (r1||r5)@ @@ + #include <linux/usb.h> #include <linux/usb/...> // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2009-03-25[WATCHDOG] orion5x_wdt: fix compile issue by providing tclk as platform dataThomas Reitmayr
The orion5x-wdt driver is now registered as a platform device and receives the tclk value as platform data. This fixes a compile issue cause by a previously removed define "ORION5X_TCLK". Signed-off-by: Thomas Reitmayr <treitmayr@devbase.at> Acked-by: Nicolas Pitre <nico@marvell.com> Signed-off-by: Kristof Provost <kristof@sigsegv.be> Cc: Lennert Buytenhek <buytenh@wantstofly.org> Cc: Wim Van Sebroeck <wim@iguana.be> Cc: Russell King <rmk@arm.linux.org.uk> Cc: Martin Michlmayr <tbm@cyrius.com> Cc: Sylver Bruneau <sylver.bruneau@googlemail.com> Cc: Kunihiko IMAI <bak@d2.dion.ne.jp> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2009-03-25[WATCHDOG] rc32434_wdt: make sure watchdog is not running at startupWim Van Sebroeck
Make sure that the watchdog is not running after loading and before it is started by opening /dev/watchdog. Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2009-03-25[WATCHDOG] rc32434_wdt: add spin_lockingWim Van Sebroeck
Add spin_locks to prevent races. Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2009-03-25[WATCHDOG] rc32434_wdt: add shutdown methodWim Van Sebroeck
Add shutdown method to the platform driver. Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2009-03-25[WATCHDOG] rc32434_wdt: add timeout module parameterPhil Sutter
The WDT timer ticks quite fast (half of the CPU clock speed, which may be between 198MHz and 330MHz (or 400MHz on newer boards)). Given it's size of 32Bit, the maximum timeout value ranges from about 21s to 43s, depending on the configured CPU clock speed. This patch add's the timeout module parameter and checks that it's not bigger then the maximum timeout for the given clock speed. Signed-off-by: Phil Sutter <n0-1@freewrt.org> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2009-03-25[WATCHDOG] rc32434_wdt: clean-up driverPhil Sutter
Clean-up the rc32434 driver code: - name the platform driver rc32434_wdt_driver - Replace KBUILD_MODNAME ": " with PFX define. - Cleanup include files - Order the ioctl's Signed-off-by: Phil Sutter <n0-1@freewrt.org> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2009-03-25ARM: tlbflush.h: introduce TLB_BTB flagPaulius Zaleckas
Signed-off-by: Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
2009-03-25[WATCHDOG] davinci: convert to ioremap() + io[read|write]Kevin Hilman
Remove davinci platform-specific IO accessor macros in favor of standard ioremap + io[read|write]* functions. Also, convert printk(KERN_ERR ....) into dev_err(...) Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2009-03-25[WATCHDOG] w83697ug: add error checkingEric Lammerts
I noticed the W83697UG driver tries to register a watchdog even though it already noticed the chip isn't there. WDT driver for the Winbond(TM) W83697UG/UF Super I/O chip initialising. w83697ug/uf WDT: No W83697UG/UF could be found w83697ug/uf WDT: Watchdog already running. Resetting timeout to 60 sec w83697ug/uf WDT: cannot register miscdev on minor=130 (err=-16) Patch propagates the error back to wdt_init(). Signed-off-by: Eric Lammerts <eric@lammerts.org> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2009-03-25[WATCHDOG] cpwd.c & riowd.c - unlocked_ioctlWim Van Sebroeck
Switch to unlocked_ioctl Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2009-03-25qeth: fix wait_event_timeout handlingHeiko Carstens
wait_event_timeout just takes the numnber of jiffies to wait as an argument. That value does not include jiffies itself. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-25qeth: check for completion of a running recoveryUrsula Braun
When a recovery is started for a qeth device, additional invocations to change a mac address, to configure a VLAN interface on top, or to add multicast addresses should wait till recovery is finished, otherwise recovery might fail. Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com> Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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