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* netpoll: drivers must not enable IRQ unconditionally in their NAPI handlerFrancois Romieu2006-12-26
| | | | | | | | | | | | | net/core/netpoll.c::netpoll_send_skb() calls the poll handler when it is available. As netconsole can be used from almost any context, IRQ must not be enabled blindly in the NAPI handler of a driver which supports netpoll. b57bd06655a028aba7b92e1c19c2093e7fcfb341 fixed the issue for the 8139too.c driver. Signed-off-by: Francois Romieu <romieu@fr.zoreil.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] e1000: No-delay link detection at interface upJesse Brandeburg2006-12-26
| | | | | | | | | | | | | | Currently after an interface up, the link state is detected 2 seconds later when the first watchdog timer runs. This patch changes that by triggering the hardware to generate a link-change interrupt from the up() function instead. This has the result that the link state gets detected immediately and without races. This has the potential to speed up booting since a normal distribution boot process waits for a link before DHCP is attempted. Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com> Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* e1000: 3 new driver stats for managability testingJeff Garzik2006-12-26
| | | | | | | | | | Add 3 extra packet redirect counters for tracking purposes to make sure we can test that all packets arrive properly. Originally from Jesse Brandeburg <jesse.brandeburg@intel.com>, rewritten to use feature flags by me. Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] e1000: Make the copybreak value a module parameterJesse Brandeburg2006-12-26
| | | | | | | | | | | | | Allow the user to vary the size that copybreak works. Currently cb is enabled for packets < 256 bytes, but various tests indicate that this should be configurable for specific use cases. In addition, this parameter allows us to force never/always during testing to get full and predictable coverage of both code paths. Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com> Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] e1000: Fix PBA allocation calculationsBruce Allan2006-12-26
| | | | | | | | | | | | Assign the PBA to be large enough to contain at least 2 jumbo frames on all adapters. This dramatically increases performance on several adapters and fixes TX performance degradation issues where the PBA was misallocated in the old algorithm. Signed-off-by: Bruce Allan <bruce.w.allan@intel.com> Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com> Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] e1000: narrow down the scope of the tipg timer tweakJesse Brandeburg2006-12-26
| | | | | | | | | | | | the driver has (ancient) code for messing with TIPG from the 82542 days. Unfortunately this code was running on our current adapters and setting TIPG for fiber to be +1 over the copper value. This caused 1.45Mpps to be sent instead of 1.487Mpps. Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com> Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] e1000: fix ethtool reported bus type for older adaptersJeff Kirsher2006-12-26
| | | | | | | | | | For older adapters we know that they are of the PCI bus type, so we can just set this. Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com> Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] e1000: fix to set the new max frame size before resetting the adapterBruce Allan2006-12-26
| | | | | | | | | | This bugfix makes sure that the driver data reflects the full new situation before the adapter is reinitialized. Signed-off-by: Bruce Allan <bruce.w.allan@intel.com> Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com> Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* e1000: workaround for the ESB2 NIC RX unit issueJeff Garzik2006-12-26
| | | | | | | | | | | In rare occasions, ESB2 systems would end up started without the RX unit being turned on. Add a check that runs post-init to work around this issue. Originally from Jesse Brandeburg <jesse.brandeburg@intel.com>, rewritten to use feature flags by me. Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] e1000: disable TSO on the 82544 with slab debuggingJesse Brandeburg2006-12-26
| | | | | | | | | | | | CONFIG_DEBUG_SLAB changes alignments of the data structures the slab allocators return. These break certain workarounds for TSO on the 82544. Since DEBUG_SLAB is relatively rare and not used for performance sensitive cases, the simplest fix is to disable TSO in this special situation. Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com> Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] e1000: Fix Wake-on-Lan with forced gigabit speedJesse Brandeburg2006-12-26
| | | | | | | | | | | | If the user has forced gigabit speed, phy power management must be disabled; otherwise the NIC would try to negotiate to a linkspeed of 10/100 mbit on shutdown, which would lead to a total loss of link. This loss of link breaks Wake-on-Lan and IPMI. Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com> Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* e1000: consolidate managability enabling/disablingJeff Garzik2006-12-26
| | | | | | | | | | | | | Several bugs existed in how we handle manageability issues all over the driver. This patch consolidates all the managability release and init code in two single functions and call them from appropriate locations. This fixes several BMC packet redirect issues and powerup/down hiccups. Originally from Jesse Brandeburg <jesse.brandeburg@intel.com>, rewritten to use feature flags by me. Signed-off-by: Jeff Garzik <jeff@garzik.org>
* e1000: omit stats for broken counter in 82543Jeff Garzik2006-12-26
| | | | | | | | | | The 82543 chip does not count tx_carrier_errors properly in FD mode; report zeros instead of garbage. Originally from Jesse Brandeburg <jesse.brandeburg@intel.com>, rewritten to use feature flags by me. Signed-off-by: Jeff Garzik <jeff@garzik.org>
* e1000: For sanity, reformat e1000_set_mac_type(), struct e1000_hw[_stats]Jeff Garzik2006-12-26
| | | | | | Makes future changes a bit more readable. Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] e1000: dynamic itr: take TSO and jumbo into accountJesse Brandeburg2006-12-26
| | | | | | | | | | The dynamic interrupt rate control patches omitted proper counting for jumbo's and TSO resulting in suboptimal interrupt mitigation strategies. Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com> Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] e1000: The user-supplied itr setting needs the lower 2 bits masked offJesse Brandeburg2006-12-26
| | | | | | | | | | The lower 2 bits of a user-supplied itr setting (via ethtool) need to be masked off: These lower two bits are used as control bits. Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com> Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* Linux 2.6.20-rc2v2.6.20-rc2Linus Torvalds2006-12-23
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* Fix up CIFS for "test_clear_page_dirty()" removalLinus Torvalds2006-12-23
| | | | | | | | | This also adds he required page "writeback" flag handling, that cifs hasn't been doing and that the page dirty flag changes made obvious. Acked-by: Steve French <smfltc@us.ibm.com> Acked-by: Dave Kleikamp <shaggy@linux.vnet.ibm.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] arch/i386/pci/mmconfig.c tlb flush fixOGAWA Hirofumi2006-12-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We use the fixmap for accessing pci config space in pci_mmcfg_read/write(). The problem is in pci_exp_set_dev_base(). It is caching a last accessed address to avoid calling set_fixmap_nocache() whenever pci_mmcfg_read/write() is used. static inline void pci_exp_set_dev_base(int bus, int devfn) { u32 dev_base = base | (bus << 20) | (devfn << 12); if (dev_base != mmcfg_last_accessed_device) { mmcfg_last_accessed_device = dev_base; set_fixmap_nocache(FIX_PCIE_MCFG, dev_base); } } cpu0 cpu1 --------------------------------------------------------------------------- pci_mmcfg_read("device-A") pci_exp_set_dev_base() set_fixmap_nocache() pci_mmcfg_read("device-B") pci_exp_set_dev_base() set_fixmap_nocache() pci_mmcfg_read("device-B") pci_exp_set_dev_base() /* doesn't flush tlb */ But if cpus accessed the above order, the second pci_mmcfg_read() on cpu0 doesn't flush the TLB, because "mmcfg_last_accessed_device" is device-B. So, second pci_mmcfg_read() on cpu0 accesses a device-A via a previous TLB cache. This problem became the cause of several strange behavior. This patches fixes this situation by adds "mmcfg_last_accessed_cpu" check. [ Alternatively, we could make a per-cpu mapping area or something. Not that it's probably worth it, but if we wanted to avoid all locking and instead just disable preemption, that would be the way to go. --Linus ] Signed-off-by: OGAWA Hirofumi <hogawa@miraclelinux.com> Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] suspend: fix suspend on single-CPU systemsIngo Molnar2006-12-23
| | | | | | | | | | | | | | | | | | | | | | | | | | Clark Williams reported that suspend doesnt work on his laptop on 2.6.20-rc1-rt kernels. The bug was introduced by the following cleanup commit: commit 112cecb2cc0e7341db92281ba04b26c41bb8146d Author: Siddha, Suresh B <suresh.b.siddha@intel.com> Date: Wed Dec 6 20:34:31 2006 -0800 [PATCH] suspend: don't change cpus_allowed for task initiating the suspend because with this change 'error' is not initialized to 0 anymore, if there are no other online CPUs. (i.e. if the system is single-CPU). the fix is the initialize it to 0. The really weird thing is that my version of gcc does not warn about this non-initialized variable situation ... (also fix the kernel printk in the error branch, it was missing a newline) Reported-by: Clark Williams <williams@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* Fix reiserfs after "test_clear_page_dirty()" removalLinus Torvalds2006-12-23
| | | | | | | | | Thanks to Len Brown for testing this fix, since while they have in the past, none of my machines run reiserfs at the moment. Cc: Vladimir V. Saveliev <vs@namesys.com> Acked-by: Len Brown <lenb@kernel.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* Clean up and export cancel_dirty_page() to modulesLinus Torvalds2006-12-23
| | | | | | | | | | | Make cancel_dirty_page() act more like all the other dirty and writeback accounting functions: test for "mapping" being NULL, and do the NR_FILE_DIRY accounting purely based on mapping_cap_account_dirty()). Also, add it to the exports, so that modular filesystems can use it. Acked-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* Merge branch 'release' of ↵Linus Torvalds2006-12-22
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6 * 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: (68 commits) ACPI: replace kmalloc+memset with kzalloc ACPI: Add support for acpi_load_table/acpi_unload_table_id fbdev: update after backlight argument change ACPI: video: Add dev argument for backlight_device_register ACPI: Implement acpi_video_get_next_level() ACPI: Kconfig - depend on PM rather than selecting it ACPI: fix NULL check in drivers/acpi/osl.c ACPI: make drivers/acpi/ec.c:ec_ecdt static ACPI: prevent processor module from loading on failures ACPI: fix single linked list manipulation ACPI: ibm_acpi: allow clean removal ACPI: fix git automerge failure ACPI: ibm_acpi: respond to workqueue update ACPI: dock: add uevent to indicate change in device status ACPI: ec: Lindent once again ACPI: ec: Change #define to enums there possible. ACPI: ec: Style changes. ACPI: ec: Acquire Global Lock under EC mutex. ACPI: ec: Drop udelay() from poll mode. Loop by reading status field instead. ACPI: ec: Rename gpe_bit to gpe ...
| * ACPI: replace kmalloc+memset with kzallocBurman Yan2006-12-20
| | | | | | | | | | Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Len Brown <len.brown@intel.com>
| * Pull sgi into test branchLen Brown2006-12-20
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| | * ACPI: Add support for acpi_load_table/acpi_unload_table_idJohn Keller2006-12-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Make acpi_load_table() available for use by removing it from the #ifdef ACPI_FUTURE_USAGE. Also add a new routine used to unload an ACPI table of a given type and "id" - acpi_unload_table_id(). The implementation of this new routine was almost a direct copy of existing routine acpi_unload_table() - only difference being that it only removes a specific table id instead of ALL tables of a given type. The SN hotplug driver (sgi_hotplug.c) now uses both of these interfaces to dynamically load and unload SSDT ACPI tables. Also, a few other ACPI routines now used by the SN hotplug driver are exported (since the driver can be a loadable module): acpi_ns_map_handle_to_node acpi_ns_convert_entry_to_handle acpi_ns_get_next_node Signed-off-by: Aaron Young <ayoung@sgi.com> Cc: Greg KH <greg@kroah.com> Cc: "Luck, Tony" <tony.luck@intel.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Len Brown <len.brown@intel.com>
| * | merge linus into test branchLen Brown2006-12-20
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| * | Pull bugfix into test branchLen Brown2006-12-20
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| | * | ACPI: Kconfig - depend on PM rather than selecting itAndrew Morton2006-12-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Make ACPI depend on PM rather than selecting it. Otherwise it's a nightmare working out why CONFIG_PM keeps getting set. Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Len Brown <len.brown@intel.com>
| | * | ACPI: fix NULL check in drivers/acpi/osl.cAdrian Bunk2006-12-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Spotted by the Coverity checker. Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Len Brown <len.brown@intel.com>
| | * | ACPI: prevent processor module from loading on failuresAkinobu Mita2006-12-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Make loading processor.ko fail when an error happens. Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Len Brown <len.brown@intel.com>
| | * | ACPI: fix single linked list manipulationAkinobu Mita2006-12-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix single linked list manipulation for sub_driver. If the remving entry is not on the head of the sub_driver list, it goes into infinate loop. Though that infinite loop doesn't happen. Because the only user of acpi_pci_register_dirver() is acpiphp. Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Len Brown <len.brown@intel.com>
| * | | Pull ec into test branchLen Brown2006-12-20
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| | * | | ACPI: make drivers/acpi/ec.c:ec_ecdt staticAdrian Bunk2006-12-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Len Brown <len.brown@intel.com>
| * | | | Pull platform-drivers into test branchLen Brown2006-12-20
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| | * | | | fbdev: update after backlight argument changeJames Simmons2006-12-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Update the frambuffer drivers to the backlight_device_registers changes. Signed-off-by: James Simmons <jsimmons@infradead.org> Cc: Luming Yu <Luming.yu@intel.com> Cc: "Antonino A. Daplas" <adaplas@pol.net> Cc: Greg KH <greg@kroah.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Len Brown <len.brown@intel.com>
| | * | | | ACPI: video: Add dev argument for backlight_device_registerYu Luming2006-12-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch set adds generic abstract layer support for acpi video driver to have generic user interface to control backlight and output switch control by leveraging the existing backlight sysfs class driver, and by adding a new video output sysfs class driver. This patch: Add dev argument for backlight_device_register to link the class device to real device object. The platform specific driver should find a way to get the real device object for their video device. [akpm@osdl.org: build fix] [akpm@osdl.org: fix msi-laptop.c] Signed-off-by: Luming Yu <Luming.yu@intel.com> Cc: "Antonino A. Daplas" <adaplas@pol.net> Cc: Greg KH <greg@kroah.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Len Brown <len.brown@intel.com>
| | * | | | ACPI: Implement acpi_video_get_next_level()Thomas Tuttle2006-12-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | acpi_video_get_next_level was supposed to implement an algorithm to select a new brightness level based on the old brightness level of an ACPI video device, but it simply says "/* Fix me */" and returns the current brightness. This patch implements acpi_video_get_next_level properly. It had to change a few constants at the top of the file because they were (apparently) wrong, but it appears to work on my Dell Inspiron e1405 (with BIOS A05 only--BIOS A04 doesn't seem to send ACPI video hotkey events). [akpm@osdl.org: cleanups] Signed-off-by: Thomas Tuttle <linux-kernel@ttuttle.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Len Brown <len.brown@intel.com>
| | * | | | ACPI: ibm_acpi: allow clean removalAlexey Starikovskiy2006-12-19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Allow clean removal by setting notify_installed in the right place. Signed-off-by: Alexey Starikovskiy <alexey.y.starikovskiy@intel.com> Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br> Signed-off-by: Len Brown <len.brown@intel.com>
| * | | | | Pull style into test branchLen Brown2006-12-16
| |\ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Conflicts: drivers/acpi/button.c drivers/acpi/ec.c drivers/acpi/osl.c drivers/acpi/sbs.c
| | * | | | | ACPI: Remove unnecessary from/to-void* and to-void casts in drivers/acpiJan Engelhardt2006-10-14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Jan Engelhardt <jengelh@gmx.de> Signed-off-by: Len Brown <len.brown@intel.com>
| * | | | | | Pull bugfix into test branchLen Brown2006-12-16
| |\ \ \ \ \ \ | | | |_|_|/ / | | |/| | | | | | | | | | | | | | | | | | | | | | | | | Conflicts: kernel/power/disk.c
| | * | | | | ACPI: S4: Use "platform" rather than "shutdown" mode by defaultRafael J. Wysocki2006-11-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | It has been reported that on some systems the functionality after a resume from disk is limited if the system is simply powered off during the suspend instead of using the ACPI S4 suspend (aka platform mode). Unfortunately the default is currently to power off the system during the suspend so the users of these systems experience problems after the resume if they don't switch to the platform mode explicitly. This patch makes swsusp use the platform mode by default to avoid such situations. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Acked-by: Stefan Seyfried <seife@suse.de> Acked-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Len Brown <len.brown@intel.com>
| | * | | | | ACPI: dock: use mutex instead of spinlockKristen Carlson Accardi2006-10-30
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | http://bugzilla.kernel.org/show_bug.cgi?id=7303 Use a mutex instead of a spinlock for locking the hotplug list because we need to call into the ACPI subsystem which might sleep. Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
| * | | | | | ACPI: fix git automerge failureLen Brown2006-12-16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Len Brown <len.brown@intel.com>
| * | | | | | Pull trivial into test branchLen Brown2006-12-16
| |\ \ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Conflicts: drivers/acpi/ec.c
| | * | | | | | ACPI: ibm-acpi: new ibm-acpi maintainerHenrique de Moraes Holschuh2006-11-14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | I will be taking care of ibm-acpi maintenance for now on, with Borislav's blessing. Many thanks to Borislav Deianov for writing this driver and for the many years he took care of it: his efforts made our ThinkPads much nicer devices to run Linux on, and are very much appreciated. Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br> Cc: Borislav Deianov <borislav@users.sourceforge.net> Signed-off-by: Len Brown <len.brown@intel.com>
| | * | | | | | ACPI: update commentSatoru Takeuchi2006-11-06
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fixing wrong description for acpi_gpe_sleep_prepare(). acpi_gpe_sleep_prepare() had only used on power off and was changed to also used on entering some sleep state. However its description isn't changed yet. Signed-off-by: Satoru Takeuchi <takeuchi_satoru@jp.fujitsu.com> Signed-off-by: Len Brown <len.brown@intel.com>
| | * | | | | | ACPI: Get rid of 'unused variable' warning in acpi_ev_global_lock_handler()Jesper Juhl2006-11-06
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix this warning : drivers/acpi/events/evmisc.c: In function `acpi_ev_global_lock_handler': drivers/acpi/events/evmisc.c:334: warning: unused variable `status' Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com> Signed-off-by: Len Brown <len.brown@intel.com>
| | * | | | | | ACPI: optimize pci_rootbridge searchChen, Justin2006-10-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | acpi_get_pci_rootbridge_handle() walks the ACPI name space searching for seg, bus and the PCI_ROOT_HID_STRING -- returning the handle as soon as if find the match. But the current codes always parses through the whole namespace because the user_function find_pci_rootbridge() returns status=AE_OK when it finds the match. Make the find_pci_rootbridge() return AE_CTRL_TERMINATE when it finds the match. This reduces the ACPI namespace walk for acpi_get_pci_rootbridge_handle(). Signed-off-by: Justin Chen <justin.chen@hp.com> Signed-off-by: Len Brown <len.brown@intel.com>
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