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*---. Merge branches 'release', 'bugzilla-13032', 'bugzilla-13041+', ↵Len Brown2009-05-162-13/+21
|\ \ \ | | | | | | | | | | | | 'bugzilla-13121', 'bugzilla-13165', 'bugzilla-13243', 'bugzilla-13259', 'resume-sci-en-regression', 'thermal-regression', 'tsc-regression' and 'asus-2.6.30' into release
| | | * ACPI: resume: re-enable SCI-enable workaroundLin Ming2009-05-151-1/+6
| |_|/ |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The BIOS bug workaround mistakenly got disabled when we followed the ACPI specification more closely by ignoring OS updates to that bit. (The BIOS is supposed to update SCI_EN, not the OS) http://bugzilla.kernel.org/show_bug.cgi?id=13289 Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
| * | ACPICA: use acpi.* modparam namespaceLen Brown2009-05-071-12/+15
|/ / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add acpi/acpica/*.c to the acpi.* modparam namespace so that any modparams we stick into ACPICA do not expose ACPICA filenames to users. There are currently only two modparams in ACPICA, just recently added for http://bugzilla.kernel.org/show_bug.cgi?id=13041 With this change, they become acpi.gts=1 acpi.bfs=1 rather than hwsleep.gts=1 hwsleep.bfs=1 Signed-off-by: Len Brown <len.brown@intel.com>
* | acpica: validate package element more carefully in ↵Robert Moore2009-05-021-0/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | acpi_rs_get_pci_routing_table_length acpi_rs_get_pci_routing_table_length is not performing sufficient validation on the package returned from _PRT. It assumes a package of packages and fails/faults if this is not the case. We should validate each subpackage when extracted from the parent package, and not accept objects of the wrong type, since that will just cause the scanning to fail (likely with a kernel oops). This can only happen with a serious BIOS bug, and is accompanied by a warning something like this: ACPI Warning (nspredef-0949): \_SB_.PCI0.PEG4._PRT: Return Package type mismatch at index 0 - found Integer, expected Package [20090320] Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | Merge branch 'bugzilla-13036' into releaseLen Brown2009-04-241-14/+72
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| * | Revert "ACPICA: delete check for AML access to port 0x81-83"Len Brown2009-04-241-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This reverts commit fdbdc7fc79c02ae4ede869d514179a2c65633d28. That temporary quick-fix is no longer necessary, as the previous patch, a65131e942e25c707a652fa4ec2cfcd8b63fec11, "I/O port protection: update for windows compatibility" should handle this issue for all ports, including this one. Signed-off-by: Len Brown <len.brown@intel.com>
| * | I/O port protection: update for windows compatibility.Lin Ming2009-04-241-14/+71
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | For windows compatibility, 1) On a port protection violation, simply ignore the request and do not return an exception (allow the control method to continue execution.) 2) If only part of the request overlaps a protected port, read/write the individual ports that are not protected. http://bugzilla.kernel.org/show_bug.cgi?id=13036 Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* | Merge branch 'bugzilla-12270' into releaseLen Brown2009-04-241-25/+2
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| * | ACPI: Revert conflicting workaround for BIOS w/ mangled PRT entriesZhang Rui2009-04-111-25/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 2f894ef9c8b36a35d80709bedca276d2fc691941 in Linux-2.6.21 worked around BIOS with mangled _PRT entries: http://bugzilla.kernel.org/show_bug.cgi?id=6859 d0e184abc5983281ef189db2c759d65d56eb1b80 worked around the same issue via ACPICA, and shipped in 2.6.27. Unfortunately the two workarounds conflict: http://bugzilla.kernel.org/show_bug.cgi?id=12270 So revert the Linux specific one. Signed-off-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* | | ACPI: Disable _GTS and _BFS support by defaultLen Brown2009-04-171-17/+26
| |/ |/| | | | | | | | | | | | | | | | | | | | | Executing BIOS code paths not exercised by Windows tends to get Linux into trouble. However, if a system does benefit from _GTS or _BFS, acpi.gts=1 an acpi.bfs=1 are now available to enable them. http://bugzilla.kernel.org/show_bug.cgi?id=13041 Signed-off-by: Len Brown <len.brown@intel.com>
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*-. \ Merge branches 'release', 'APERF', 'ARAT', 'misc', 'kelvin', 'device-lock' ↵Len Brown2009-04-071-1/+0
|\ \ \ | |_|/ |/| | | | | and 'bjorn.notify' into release
| * | ACPICA: delete check for AML access to port 0x81-83Len Brown2009-04-071-1/+0
| |/ | | | | | | | | | | | | | | | | | | | | Sony laptops apparently write 4-bytes (rather than 1 byte) to debug port 0x80, which spews error messages: Denied AML access to port 0x00000080/4 (DMA1 0x0081-0x0083) [20090320] http://bugzilla.kernel.org/show_bug.cgi?id=13036 Signed-off-by: Len Brown <len.brown@intel.com>
* / hwmon: Add Asus ATK0110 supportLuca Tettamanti2009-04-071-2/+1
|/ | | | | | | | | | | | | | | | | | | | | | | Asus boards have an ACPI interface for interacting with the hwmon (fan, temperatures, voltages) subsystem; this driver exposes the relevant information via the standard sysfs interface. There are two different ACPI interfaces: - an old one (based on RVLT/RFAN/RTMP) - a new one (GGRP/GITM) Both may be present but there a few cases (my board, sigh) where the new interface is just an empty stub; the driver defaults to the old one when both are present. The old interface has received a considerable testing, but I'm still awaiting confirmation from my tester that the new one is working as expected (hence the debug code is still enabled). Currently all the attributes are read-only, though a (partial) control should be possible with a bit more work. Signed-off-by: Luca Tettamanti <kronos.it@gmail.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Jean Delvare <khali@linux-fr.org>
* Merge branch 'linus' into releaseLen Brown2009-04-051-3/+14
|\ | | | | | | | | | | | | Conflicts: arch/x86/kernel/cpu/cpufreq/longhaul.c Signed-off-by: Len Brown <len.brown@intel.com>
| * acpi/x86: introduce __apci_map_table, v4Yinghai Lu2009-02-091-3/+14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | to prevent wrongly overwriting fixmap that still want to use. ACPI used to rely on low mappings being all linearly mapped and grew a habit: it never really unmapped certain kinds of tables after use. This can cause problems - for example the hypothetical case when some spurious access still references it. v2: remove prev_map and prev_size in __apci_map_table v3: let acpi_os_unmap_memory() call early_iounmap too, so remove extral calling to early_acpi_os_unmap_memory v4: fix typo in one acpi_get_table_with_size calling Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Acked-by: Len Brown <len.brown@intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* | ACPICA: Fix index value in package warning messageBob Moore2009-03-271-8/+16
| | | | | | | | | | | | | | | | | | For predefined method validation. Index value in warning message could be off by one. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* | ACPICA: FADT: Favor 32-bit FACS and DSDT addressesBob Moore2009-03-271-2/+6
| | | | | | | | | | | | | | | | | | If both the 32-bit and 64-bit addresses are non-null, use the 32-bit address. Provides Windows compatibility. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* | ACPICA: FADT: Favor 32-bit register addresses for compatibilityBob Moore2009-03-271-35/+51
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Use the 32-bit register addresses whenever they are non-zero. This means that the 32-bit addresses are favored over the 64-bit (GAS) addresses. The 64-bit addresses are only used if the 32-bit addresses are zero. This change provides compatibility with all versions of Windows. The worst case that this solves is when both the 32-bit and 64-bit addresses are non-zero, but only the 32-bit addresses are actually valid. This appears to happen in some BIOSes because in this case, Windows uses the 32-bit addresses. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* | ACPICA: Fix PCI configuration space port address rangeBob Moore2009-03-271-1/+1
| | | | | | | | | | | | | | | | | | Microsoft website uses 0xCF8-0xD00. Should be 0xCF8-0xCFF (Two 32-bit registers.) Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* | ACPICA: Condense some protected portsBob Moore2009-03-271-8/+26
| | | | | | | | | | | | | | | | | | One entry in the protected port table eliminated. Added extra comments to describe each table entry. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* | ACPICA: Remove unused code, no functional changeBob Moore2009-03-271-35/+9
| | | | | | | | | | | | | | | | | | Removed unused code for dump of args and locals. General cleanup and splitting of long lines. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* | ACPICA: Clear PM register write-only bits on readingLin Ming2009-03-272-0/+11
| | | | | | | | | | | | | | | | | | | | | | Affects PM1 Control register only. When reading the register, zero the write-only bits as per the ACPI spec. ACPICA BZ 443. Lin Ming. http://www.acpica.org/bugzilla/show_bug.cgi?id=443 Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* | ACPICA: Remove obsolete acpi_os_validate_address interfaceBob Moore2009-03-273-31/+0
| | | | | | | | | | | | | | | | | | This interface is no longer necessary. Requests should be validated on a per-field basis, not on the entire operation region. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* | ACPICA: New: I/O port protectionBob Moore2009-03-2712-29/+319
| | | | | | | | | | | | | | | | | | Protect certain I/O ports from reads/writes. Provides MS compatibility. New module, hwvalid.c Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* | ACPICA: Preserve all PM control reserved and ignored bitsBob Moore2009-03-272-1/+24
| | | | | | | | | | | | | | | | | | | | As per the ACPI specification, preserve (read/modify/write) all bits that are defined as either reserved or ignored (PM control control registers only.) Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* | ACPICA: Change handling of PM1 Status register ignored bitBob Moore2009-03-271-16/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | Ignored bits must be preserved according to the ACPI spec. Usually this means a read/modify/write when writing to the register. However, for status registers, writing a one means clear the event. Writing a zero means preserve the event (do not clear.) This behavior is clarified in the ACPI 4.0 spec, and the ACPICA code now simply always writes a zero to the ignored bit. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* | ACPICA: Fix AcpiWalkNamespace race condition with table unloadBob Moore2009-03-2711-33/+303
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Added a reader/writer locking mechanism to allow multiple concurrent namespace walks (readers), but a dynamic table unload will have exclusive access to the namespace. This fixes a problem where a table unload could delete the portion of the namespace that is currently being examined by a walk. Adds a new file, utlock.c that implements the reader/writer lock mechanism. ACPICA BZ 749. http://www.acpica.org/bugzilla/show_bug.cgi?id=749 Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* | ACPICA: FADT: Fix extraneous length mismatch warningBob Moore2009-03-271-1/+2
| | | | | | | | | | | | | | | | | | | | | | Incorrect register length mismatch between the 32 and 64 bit registers in some cases. Code was was checking the wrong pointer for non-zero, should be looking at the address within the GAS structure. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* | ACPICA: Formatting update - no functional changesBob Moore2009-03-2721-174/+161
| | | | | | | | | | | | | | | | Split long lines, update comments. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* | ACPICA: Add manifest constants for bit register valuesBob Moore2009-03-274-13/+22
| | | | | | | | | | | | | | | | | | Add and deploy constants for the PM status/enable/control registers. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* | ACPICA: Update table header print functionBob Moore2009-03-261-7/+11
| | | | | | | | | | | | | | | | Cleanup table header output. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* | ACPICA: Restructure bit register access functionsBob Moore2009-03-261-115/+62
| | | | | | | | | | | | | | | | | | Update code for acpi_read_bit_register and acpi_write_bit_register. Simplified code path, condensed duplicate code. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* | ACPICA: Rename ACPI bit register access functionsBob Moore2009-03-266-36/+37
| | | | | | | | | | | | | | | | | | | | Rename acpi_get_register and acpi_set_register to clarify the purpose of these functions. New names are acpi_read_bit_register and acpi_write_bit_register. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* | ACPICA: Optimize ACPI register lockingBob Moore2009-03-262-39/+28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Removed locking for reads from the ACPI bit registers in PM1 Status, Enable, Control, and PM2 Control. The lock is not required when reading the single-bit registers. The acpi_get_register_unlocked function is no longer needed and has been removed. This will improve performance for reads on these registers. ACPICA BZ 760. http://www.acpica.org/bugzilla/show_bug.cgi?id=760 Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* | ACPICA: Formatting update - no functional changesBob Moore2009-03-268-54/+61
| | | | | | | | | | | | | | | | Split some long lines. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* | ACPICA: Debug output: decrease verbosity of DB_INFO debug levelBob Moore2009-03-263-4/+4
| | | | | | | | | | | | | | | | | | Removed some of the extraneous debug prints using the DB_INFO level. This should make the DB_INFO more useful. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* | ACPICA: Debug output: print result of _OSI invocationsBob Moore2009-03-261-11/+21
| | | | | | | | | | | | | | | | | | Print input strings and the result (supported or not supported) for invocations of the _OSI method. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* | ACPICA: Conditionally compile acpi_set_firmware_waking_vector64Bob Moore2009-03-261-1/+4
| | | | | | | | | | | | | | | | This function is only needed on 64-bit host operating systems. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* | ACPICA: Remove ACPI_GET_OBJECT_TYPE macroBob Moore2009-03-2638-194/+158
| | | | | | | | | | | | | | | | | | | | | | | | Remove all instances of this obsolete macro, since it is now a simple reference to ->common.type. There were about 150 invocations of the macro across 41 files. ACPICA BZ 755. http://www.acpica.org/bugzilla/show_bug.cgi?id=755 Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* | ACPICA: Add function to handle PM1 control registersBob Moore2009-03-264-67/+78
| | | | | | | | | | | | | | | | | | | | | | | | | | Added acpi_hw_write_pm1_control. This function writes both of the PM1 control registers (A/B). These registers are different than than the PM1 A/B status and enable registers in that different values can be written to the A/B registers. Most notably, the SLP_TYP bits can be different, as per the values returned from the _Sx predefined methods. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* | ACPICA: Remove redundant ACPI_BITREG_SLEEP_TYPE_BBob Moore2009-03-263-10/+7
| | | | | | | | | | | | | | | | | | | | | | | | This type is the same as TYPE_A. Removed this and all related instances. Renamed SLEEP_TYPE_A to simply SLEEP_TYPE. ACPICA BZ 754. http://www.acpica.org/bugzilla/show_bug.cgi?id=754 Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* | ACPICA: Fix parameter validation for acpi_read/writeBob Moore2009-03-261-10/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Now return AE_BAD_PARAMETER if the input register pointer is null, and AE_BAD_ADDRESS if the register has an address of zero. Previously, these cases simply returned AE_OK. For optional registers such as PM1B status/enable/control, the caller should check for a valid register address before calling. ACPICA BZ 748. http://www.acpica.org/bugzilla/show_bug.cgi?id=748 Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* | ACPICA: For PM1B registers, do not shift value read or writtenBob Moore2009-03-261-9/+24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | The PM1B registers are mirrors of the PM1A registers with different bits actually implemented. From the ACPI specification: "Although the bits can be split between the two register blocks (each register block has a unique pointer within the FADT), the bit positions are maintained. The register block with unimplemented bits (that is, those implemented in the other register block) always returns zeros, and writes have no side effects" Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* | ACPICA: Remove extra write for acpi_hw_clear_acpi_statusBob Moore2009-03-261-14/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | This function was writing an optional PM1B status register twice. The existing call to the low-level acpi_hw_register_write automatically handles a possibly split PM1 A/B register. ACPICA BZ 751. http://www.acpica.org/bugzilla/show_bug.cgi?id=751 Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* | ACPICA: Fix writes to optional PM1B registersBob Moore2009-03-261-65/+140
| | | | | | | | | | | | | | | | | | | | | | | | On read, shift B register bits above the A bits. On write, shift B bits down to zero before writing the B register. New: acpi_hw_read_multiple, acpi_hw_write_multiple. These two functions now transparently handle the (possible) split registers for PM1 Status, Enable, and Control. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* | ACPICA: Update comments in module headerBob Moore2009-03-261-19/+22
| | | | | | | | | | | | | | | | | | Enhance the explanations of the various package return types for clarity. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* | ACPICA: Check for non-zero address before being converted to GASLin Ming2009-03-261-7/+9
| | | | | | | | | | | | Reported-by: FreeBSD community Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* | ACPICA: Split out PM1 status registers from the FADTBob Moore2009-03-263-122/+147
| | | | | | | | | | | | | | | | | | | | | | Add new globals for the PM1 status registers (A/B), similar to the way the PM1 enable registers are handled. Instead of overloading the FADT Event Register blocks. This makes the code clearer and less prone to error. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* | ACPICA: Add override for dynamic tablesBob Moore2009-03-261-1/+27
| | | | | | | | | | | | | | | | | | Add a call to acpi_os_table_override during the installation of a dynamic table (loaded via the Load or LoadTable AML operators). Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* | ACPICA: Remove extraneous parameter in table managerBob Moore2009-03-264-17/+14
| | | | | | | | | | | | | | | | | | Removed the Flags parameter from several internal functions since it was not being used. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>