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path: root/drivers/pnp/pnpacpi
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2008-07-16PNP: introduce pnp_irq_mask_t typedefBjorn Helgaas
This adds a typedef for the IRQ bitmap, which should cause no functional change, but will make it easier to pass a pointer to a bitmap to pnp_register_irq_resource(). Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Andi Kleen <ak@linux.intel.com> Acked-by: Rene Herman <rene.herman@gmail.com> Signed-off-by: Len Brown <len.brown@intel.com>
2008-07-16PNP: define PNP-specific IORESOURCE_IO_* flags alongside IRQ, DMA, MEMBjorn Helgaas
PNP previously defined PNP_PORT_FLAG_16BITADDR and PNP_PORT_FLAG_FIXED in a private header file, but put those flags in struct resource.flags fields. Better to make them IORESOURCE_IO_* flags like the existing IRQ, DMA, and MEM flags. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Andi Kleen <ak@linux.intel.com> Acked-by: Rene Herman <rene.herman@gmail.com> Signed-off-by: Len Brown <len.brown@intel.com>
2008-07-16PNPACPI: keep disabled resources when parsing current configBjorn Helgaas
When we parse a device's _CRS data (the current resource settings), we should keep track of everything we find, even if it's currently disabled or invalid. This is what we already do for ISAPNP and PNPBIOS, and it helps keep things matched up when we subsequently re-encode resources. For example, consider a device with (mem, irq0, irq1, io), where irq0 is disabled. If we drop irq0 when parsing the _CRS, we will mistakenly put irq1 in the irq0 slot when we encode resources for an _SRS call. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Len Brown <len.brown@intel.com> Signed-off-by: Andi Kleen <ak@linux.intel.com>
2008-07-16PNP: replace pnp_resource_table with dynamically allocated resourcesBjorn Helgaas
PNP used to have a fixed-size pnp_resource_table for tracking the resources used by a device. This table often overflowed, so we've had to increase the table size, which wastes memory because most devices have very few resources. This patch replaces the table with a linked list of resources where the entries are allocated on demand. This removes messages like these: pnpacpi: exceeded the max number of IO resources 00:01: too many I/O port resources References: http://bugzilla.kernel.org/show_bug.cgi?id=9535 http://bugzilla.kernel.org/show_bug.cgi?id=9740 http://lkml.org/lkml/2007/11/30/110 This patch also changes the way PNP uses the IORESOURCE_UNSET, IORESOURCE_AUTO, and IORESOURCE_DISABLED flags. Prior to this patch, the pnp_resource_table entries used the flags like this: IORESOURCE_UNSET This table entry is unused and available for use. When this flag is set, we shouldn't look at anything else in the resource structure. This flag is set when a resource table entry is initialized. IORESOURCE_AUTO This resource was assigned automatically by pnp_assign_{io,mem,etc}(). This flag is set when a resource table entry is initialized and cleared whenever we discover a resource setting by reading an ISAPNP config register, parsing a PNPBIOS resource data stream, parsing an ACPI _CRS list, or interpreting a sysfs "set" command. Resources marked IORESOURCE_AUTO are reinitialized and marked as IORESOURCE_UNSET by pnp_clean_resource_table() in these cases: - before we attempt to assign resources automatically, - if we fail to assign resources automatically, - after disabling a device IORESOURCE_DISABLED Set by pnp_assign_{io,mem,etc}() when automatic assignment fails. Also set by PNPBIOS and PNPACPI for: - invalid IRQs or GSI registration failures - invalid DMA channels - I/O ports above 0x10000 - mem ranges with negative length After this patch, there is no pnp_resource_table, and the resource list entries use the flags like this: IORESOURCE_UNSET This flag is no longer used in PNP. Instead of keeping IORESOURCE_UNSET entries in the resource list, we remove entries from the list and free them. IORESOURCE_AUTO No change in meaning: it still means the resource was assigned automatically by pnp_assign_{port,mem,etc}(), but these functions now set the bit explicitly. We still "clean" a device's resource list in the same places, but rather than reinitializing IORESOURCE_AUTO entries, we just remove them from the list. Note that IORESOURCE_AUTO entries are always at the end of the list, so removing them doesn't reorder other list entries. This is because non-IORESOURCE_AUTO entries are added by the ISAPNP, PNPBIOS, or PNPACPI "get resources" methods and by the sysfs "set" command. In each of these cases, we completely free the resource list first. IORESOURCE_DISABLED In addition to the cases where we used to set this flag, ISAPNP now adds an IORESOURCE_DISABLED resource when it reads a configuration register with a "disabled" value. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Len Brown <len.brown@intel.com> Signed-off-by: Andi Kleen <ak@linux.intel.com>
2008-07-16ACPI PM: acpi_pm_device_sleep_state() cleanupDavid Brownell
Get rid of a superfluous acpi_pm_device_sleep_state() parameter. The only legitimate value of that parameter must be derived from the first parameter, which is what all the callers already do. (However, this does not address the fact that ACPI still doesn't set up those flags.) Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Andi Kleen <ak@linux.intel.com> Acked-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: Len Brown <len.brown@intel.com>
2008-06-11PNPACPI: use _CRS IRQ descriptor length for _SRSBjorn Helgaas
When configuring the resources of an ACPI device, we first evaluate _CRS to get a template of resource descriptors, then fill in the specific resource values we want, and finally evaluate _SRS to actually configure the device. Some resources have optional fields, so the size of encoded descriptors varies depending on the specific values. For example, IRQ descriptors can be either two or three bytes long. The third byte contains triggering information and can be omitted if the IRQ is edge-triggered and active high. The BIOS often assumes that IRQ descriptors in the _SRS buffer use the same format as those in the _CRS buffer, so this patch enforces that constraint. The "Start Dependent Function" descriptor also has an optional byte, but we don't currently encode those descriptors, so I didn't do anything for those. I have tested this patch on a Toshiba Portege 4000. Without the patch, parport_pc claims the parallel port only if I use "pnpacpi=off". This patch makes it work with PNPACPI. This is an extension of a patch by Tom Jaeger: http://bugzilla.kernel.org/show_bug.cgi?id=9487#c42 References: http://bugzilla.kernel.org/show_bug.cgi?id=5832 Enabling ACPI Plug and Play in kernels >2.6.9 kills Parallel support http://bugzilla.kernel.org/show_bug.cgi?id=9487 buggy firmware expects four-byte IRQ resource descriptor (was: Serial port disappears after Suspend on Toshiba R25) http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=1d5b285da1893b90507b081664ac27f1a8a3dc5b related ACPICA fix Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Len Brown <len.brown@intel.com>
2008-06-11pnpacpi: fix shareable IRQ encode/decodeBjorn Helgaas
When we encode IRQ resources, we should use the "shareable" flag we got from _PRS rather than guessing based on the IRQ trigger mode. This is based on a patch by Tom Jaeger: http://bugzilla.kernel.org/show_bug.cgi?id=9487#c32 Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Len Brown <len.brown@intel.com>
2008-06-11pnpacpi: fix IRQ flag decodingBjorn Helgaas
When decoding IRQ trigger mode and polarity, it is not enough to mask by IORESOURCE_BITS because there are now additional bits defined. For example, if IORESOURCE_IRQ_SHAREABLE was set, we failed to set *triggering and *polarity at all. I can't point to a failure that this patch fixes, but bugs in this area have caused problems when resuming after suspend, for example: http://bugzilla.kernel.org/show_bug.cgi?id=6316 http://bugzilla.kernel.org/show_bug.cgi?id=9487 https://bugs.launchpad.net/ubuntu/+source/linux-source-2.6.22/+bug/152187 This is based on a patch by Tom Jaeger: http://bugzilla.kernel.org/show_bug.cgi?id=9487#c32 [rene.herman@keyaccess.nl: fix comment] Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Len Brown <len.brown@intel.com>
2008-04-30Merge branch 'pnp' into releaseLen Brown
2008-04-30acpi: fix section mismatch warning in pnpacpiSam Ravnborg
Fix following section mismatch warning: WARNING: vmlinux.o(.text+0x153d69): Section mismatch in reference from the function is_exclusive_device() to the variable .init.data:excluded_id_list is_exclusive_device is only used from __init context so document this with the __init annotation and get rid of the warning. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Len Brown <len.brown@intel.com>
2008-04-29PNPACPI: move _CRS/_PRS warnings closer to the actionBjorn Helgaas
Move warnings about _CRS and _PRS problems to the place where we actually make the ACPI calls. Then we don't have to pass around acpi_status values any more than necessary. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Acked-By: Rene Herman <rene.herman@gmail.com> Signed-off-by: Len Brown <len.brown@intel.com>
2008-04-29PNP: make generic pnp_add_mem_resource()Bjorn Helgaas
Add a pnp_add_mem_resource() that can be used by all the PNP backends. This consolidates a little more pnp_resource_table knowledge into one place. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Len Brown <len.brown@intel.com>
2008-04-29PNP: make generic pnp_add_io_resource()Bjorn Helgaas
Add a pnp_add_io_resource() that can be used by all the PNP backends. This consolidates a little more pnp_resource_table knowledge into one place. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Len Brown <len.brown@intel.com>
2008-04-29PNP: make generic pnp_add_dma_resource()Bjorn Helgaas
Add a pnp_add_dma_resource() that can be used by all the PNP backends. This consolidates a little more pnp_resource_table knowledge into one place. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Len Brown <len.brown@intel.com>
2008-04-29PNP: make generic pnp_add_irq_resource()Bjorn Helgaas
Add a pnp_add_irq_resource() that can be used by all the PNP backends. This consolidates a little more pnp_resource_table knowledge into one place. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Len Brown <len.brown@intel.com>
2008-04-29PNP: remove pnp_resource_table references from resource decodersBjorn Helgaas
This removes a few more references to the pnp_resource_table. No functional change. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Len Brown <len.brown@intel.com>
2008-04-29PNP: make pnp_resource_table private to PNP coreBjorn Helgaas
There are no remaining references to the PNP_MAX_* constants or the pnp_resource_table structure outside of the PNP core. Make them private to the PNP core. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Len Brown <len.brown@intel.com>
2008-04-29PNP: convert encoders to use pnp_get_resource(), not pnp_resource_tableBjorn Helgaas
This removes more direct references to pnp_resource_table. This path is used when telling a device what resources it should use. This doesn't convert ISAPNP because ISA needs to know the config register index in addition to the resource itself. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Acked-By: Rene Herman <rene.herman@gmail.com> Signed-off-by: Len Brown <len.brown@intel.com>
2008-04-29PNP: use dev_printk when possibleBjorn Helgaas
Use dev_printk() when possible for more informative error messages. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Acked-By: Rene Herman <rene.herman@gmail.com> Signed-off-by: Len Brown <len.brown@intel.com>
2008-04-29PNP: add pnp_init_resources(struct pnp_dev *) interfaceBjorn Helgaas
Add pnp_init_resources(struct pnp_dev *) to replace pnp_init_resource_table(), which takes a pointer to the pnp_resource_table itself. Passing only the pnp_dev * reduces the possibility for error in the caller and removes the pnp_resource_table implementation detail from the interface. Even though pnp_init_resource_table() is exported, I did not export pnp_init_resources() because it is used only by the PNP core. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Acked-By: Rene Herman <rene.herman@gmail.com> Signed-off-by: Len Brown <len.brown@intel.com>
2008-04-29PNP: add debug output to encodersBjorn Helgaas
Add debug output to encoders (enabled by CONFIG_PNP_DEBUG). This uses dev_printk, so I had to add pnp_dev arguments at the same time. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Acked-By: Rene Herman <rene.herman@gmail.com> Signed-off-by: Len Brown <len.brown@intel.com>
2008-04-29PNP: remove more pnp_resource_table argumentsBjorn Helgaas
Stop passing around struct pnp_resource_table pointers. In most cases, the caller doesn't need to know how the resources are stored inside the struct pnp_dev. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Acked-By: Rene Herman <rene.herman@gmail.com> Signed-off-by: Len Brown <len.brown@intel.com>
2008-04-29PNP: remove pnp_resource_table from internal get/set interfacesBjorn Helgaas
When we call protocol->get() and protocol->set() methods, we currently supply pointers to both the pnp_dev and the pnp_resource_table even though the pnp_resource_table should always be the one associated with the pnp_dev. This removes the pnp_resource_table arguments to make it clear that these methods only operate on the specified pnp_dev. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Acked-By: Rene Herman <rene.herman@gmail.com> Signed-off-by: Len Brown <len.brown@intel.com>
2008-04-29PNP: add debug output to option registrationBjorn Helgaas
Add debug output to resource option registration functions (enabled by CONFIG_PNP_DEBUG). This uses dev_printk, so I had to add pnp_dev arguments at the same time. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Acked-By: Rene Herman <rene.herman@gmail.com> Signed-off-by: Len Brown <len.brown@intel.com>
2008-04-29PNPACPI: pass pnp_dev instead of acpi_handleBjorn Helgaas
Pass the pnp_dev pointer when possible instead of the acpi_handle. This allows better error messages and reduces the chance of error in the caller. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Acked-By: Rene Herman <rene.herman@gmail.com> Signed-off-by: Len Brown <len.brown@intel.com>
2008-04-29PNPACPI: extend irq_flags() to set IORESOURCE_IRQ_SHAREABLE when appropriateBjorn Helgaas
This simplifies IRQ resource parsing slightly by computing all the IORESOURCE_IRQ_* flags at the same time. This also keeps track of shareability information when parsing options from _PRS. Previously we ignored shareability in _PRS. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Acked-By: Rene Herman <rene.herman@gmail.com> Signed-off-by: Len Brown <len.brown@intel.com>
2008-04-29PNPACPI: hoist dma_flags() out of pnpacpi_parse_allocated_dmaresource()Bjorn Helgaas
Hoist dma_flags() out of pnpacpi_parse_allocated_dmaresource() into its caller. This makes pnpacpi_parse_allocated_dmaresource() more similar to pnpbios_parse_allocated_dmaresource(). Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Acked-By: Rene Herman <rene.herman@gmail.com> Signed-off-by: Len Brown <len.brown@intel.com>
2008-04-29PNPACPI: use temporaries to reduce repetitionBjorn Helgaas
No functional change, just fewer words and fewer chances for transcription errors. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Acked-By: Rene Herman <rene.herman@gmail.com> Signed-off-by: Len Brown <len.brown@intel.com>
2008-04-29PNPACPI: pnpacpi_encode_ext_irq() wrongly set "irq" instead of "extended_irq"Bjorn Helgaas
pnpacpi_encode_ext_irq() should set resource->data.extended_irq, not resource->data.irq. This has been wrong since at least 2.6.12. I haven't seen any bug reports, but it's clearly incorrect. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Len Brown <len.brown@intel.com>
2008-04-29PNP: add pnp_alloc_dev()Bjorn Helgaas
Add pnp_alloc_dev() to allocate a struct pnp_dev and fill in the protocol, instance number, and initial PNP ID. Now it is always valid to use dev_printk() on any pnp_dev pointer. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Acked-By: Rene Herman <rene.herman@gmail.com> Signed-off-by: Len Brown <len.brown@intel.com>
2008-04-29PNP: change pnp_add_id() to allocate its own pnp_id structuresBjorn Helgaas
This moves some of the pnp_id knowledge out of the backends and into the PNP core. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Acked-By: Rene Herman <rene.herman@gmail.com> Signed-off-by: Len Brown <len.brown@intel.com>
2008-04-29PNP: make pnp_add_id() internal to PNP coreBjorn Helgaas
pnp_add_id() doesn't need to be exposed outside the PNP core, so move the declaration to an internal header file. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Acked-By: Rene Herman <rene.herman@gmail.com> Signed-off-by: Len Brown <len.brown@intel.com>
2008-04-29PNPACPI: continue after _CRS and _PRS errorsBjorn Helgaas
Keep going and register the device even if we have trouble parsing _CRS or _PRS. A parsing problem might mean we ignore some resources the device is using, or we might not be able to change its resources. But we should still take note of anything we *could* parse correctly. Also remove reference to dev_id because I plan to remove it soon. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Len Brown <len.brown@intel.com>
2008-04-29PNP: turn on -DDEBUG when CONFIG_PNP_DEBUG is setBjorn Helgaas
Turn on -DDEBUG in CFLAGS when CONFIG_PNP_DEBUG=y. This makes dev_dbg() do what you expect. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Acked-by: Rene Herman <rene.herman@gmail.com> Signed-off-by: Len Brown <len.brown@intel.com>
2008-04-23pnpacpi: fix potential corruption on "pnpacpi: exceeded the max number of ↵Len Brown
IRQ resources 2" PNP_MAX_IRQ is 2 If a device invokes pnpacpi_parse_allocated_irqresource() 0, 1, or 2 times, we are happy. The 3rd time, we will fail and print "pnpacpi: exceeded the max number of IRQ resources: 2" The 4th and subsequent calls (if this ever happened) would silently scribble on irq_resource[2], which doesn't actualy exist. Found-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Len Brown <len.brown@intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-03-26pnpacpi: reduce printk severity for "pnpacpi: exceeded the max number of ..."Len Brown
We have been printing these messages at KERN_ERR since 2.6.24, per http://bugzilla.kernel.org/show_bug.cgi?id=9535 But KERN_ERR pops up on a console booted with "quiet" and causes users to get alarmed and file bugs about the message itself: https://bugzilla.redhat.com/show_bug.cgi?id=436589 So reduce the severity of these messages to KERN_WARNING, which is not printed by "quiet". This message will still be seen without "quiet", but a lot of messages are printed in that mode and it will be less likely to cause undue alarm. We could go all the way to KERN_DEBUG, but this is a real warning after all, so it seems prudent not to require "debug" to see it. Signed-off-by: Len Brown <len.brown@intel.com>
2008-02-14pnpacpi: __initdata is not an identifierRoel Kluin
sparse complains at drivers/pnp/pnpacpi/core.c:39 with the error: Trying to use reserved word '__attribute__' as identifier Expected ) in function declarator, got ".init.data" and at drivers/pnp/pnpacpi/core.c:49:38 with the error: undefined identifier 'excluded_id_list' With the patch below these sparse complaints do not occur Signed-off-by: Roel Kluin <12o3l@tiscali.nl> Signed-off-by: Len Brown <len.brown@intel.com>
2008-02-07Merge branches 'release', 'bugzilla-6217', 'bugzilla-6629', 'bugzilla-6933', ↵Len Brown
'bugzilla-7186', 'bugzilla-8269', 'bugzilla-8570', 'bugzilla-9139', 'bugzilla-9277', 'bugzilla-9341', 'bugzilla-9444', 'bugzilla-9614', 'bugzilla-9643' and 'bugzilla-9644' into release
2008-02-06pnp: declare PNP option parsing functions as __initThomas Renninger
There are three kind of parse functions provided by PNP acpi/bios: - get current resources - set resources - get possible resources The first two may be needed later at runtime. The possible resource settings should never change dynamically. And even if this would make any sense (I doubt it), the current implementation only parses possible resource settings at early init time: -> declare all the option parsing __init [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: Thomas Renninger <trenn@suse.de> Acked-By: Rene Herman <rene.herman@gmail.com> Cc: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-01-17pnpacpi: print resource shortage message only once (more)Len Brown
Wups, previous patch was ineffective in 2 cases. http://bugzilla.kernel.org/show_bug.cgi?id=9535 Signed-off-by: Len Brown <len.brown@intel.com> Reported-by: "Hartkopp, Oliver (K-EFE/E)" <oliver.hartkopp@volkswagen.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-01-12pnp: Failed to activate device 00:0a - Samsung P35 XVM 1600 IIIShaohua Li
PNP_WRITE requires protocol supports .set. If ACPI doesn't support _SRS, .set ismeanless, so PNP_WRITE. Signed-off-by: Shaohua Li <shaohua.li@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2008-01-12pnpacpi: print resource shortage message only onceLen Brown
pnpacpi: exceeded the max number of IO resources: 40 While this message is a real error and should thus remain KERN_ERR (even a new dmesg line is seen as a regression by some, since it was not printed in 2.6.23...) it is certainly impolite to print this warning 50 times should you happen to have the oddball system with 90 io resources under a device... So print the warning just once. In 2.6.25 we'll get rid of the limits altogether and these warnings will vanish with them. http://bugzilla.kernel.org/show_bug.cgi?id=9535 Signed-off-by: Len Brown <len.brown@intel.com>
2007-11-29PNP: increase the maximum number of resourcesZhao Yakui
On some systems the number of resources(IO,MEM) returnedy by PNP device is greater than the PNP constant, for example motherboard devices. It brings that some resources can't be reserved and resource confilicts. This will cause PCI resources are assigned wrongly in some systems, and cause hang. This is a regression since we deleted ACPI motherboard driver and use PNP system driver. [akpm@linux-foundation.org: fix text and coding-style a bit] Signed-off-by: Li Shaohua <shaohua.li@intel.com> Signed-off-by: Zhao Yakui <yakui.zhao@intel.com> Cc: Bjorn Helgaas <bjorn.helgaas@hp.com> Cc: Thomas Renninger <trenn@suse.de> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-11-20ACPI: fix two IRQ8 issues in IOAPIC modeShaohua Li
Use mp_irqs[] to get PNP device's interrupt polarity and trigger. There are two reasons to do this: 1. BIOS bug for PNP interrupt 2. BIOS explictly does override mp_irqs[] should cover all the cases. http://bugzilla.kernel.org/show_bug.cgi?id=5243 http://bugzilla.kernel.org/show_bug.cgi?id=7679 http://bugzilla.kernel.org/show_bug.cgi?id=9153 [lenb: fixed !IOAPIC and 64-bit !SMP builds] Signed-off-by: Shaohua Li <shaohua.li@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2007-11-19Revert "Fix very high interrupt rate for IRQ8 (rtc) unless pnpacpi=off"Len Brown
This reverts commit 9cd8047b463f213c294f756119ac353312e7a152.
2007-10-17PNP: add debug message for adding new deviceBjorn Helgaas
Add PNP debug message when adding a device, remove similar PNPACPI message with less information. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Cc: Adam Belay <ambx1@neo.rr.com> Cc: Len Brown <lenb@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-10-17Fix very high interrupt rate for IRQ8 (rtc) unless pnpacpi=offKrzysztof Oledzki
Workaround for broken systems with BIOS that makes RTC interrupt level triggered and/or active low. See http://bugzilla.kernel.org/show_bug.cgi?id=5243 Based on the patch from Shaohua Li <shaohua.li@intel.com> Signed-off-by: Krzysztof Piotr Oledzki <ole@ans.pl> Cc: "Li, Shaohua" <shaohua.li@intel.com> Cc: Bjorn Helgaas <bjorn.helgaas@hp.com> Cc: Andi Kleen <ak@suse.de> Cc: Adam Belay <ambx1@neo.rr.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-10-17PNP: make pnpacpi_suspend handle errorsRafael J. Wysocki
pnpacpi_suspend() doesn't check the result returned by acpi_pm_device_sleep_state() before passing it to acpi_bus_set_power(), which may not be desirable.  Make it select the target power state of the device using its second argument if acpi_pm_device_sleep_state() fails. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Looks-ok-to: Pavel Machek <pavel@ucw.cz> Cc: Adam Belay <ambx1@neo.rr.com> Cc: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-08-24PNPACPI: remove unnecessary casts of "void *"Bjorn Helgaas
Remove unnecessary casts of void pointers. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Acked-by: Adam Belay <abelay@novell.com> Signed-off-by: Len Brown <len.brown@intel.com>
2007-08-24PNPACPI: simplify irq_flags()Bjorn Helgaas
No need for a temporary variable; just return the flags once we know them. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Acked-by: Adam Belay <abelay@novell.com> Signed-off-by: Len Brown <len.brown@intel.com>
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