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2008-07-22of_gpio: Should use new <linux/gpio.h> headerWolfgang Grandegger
Since commit 7560fa60fcdcdb0da662f6a9fad9064b554ef46c (gpio: <linux/gpio.h> and "no GPIO support here" stubs) drivers can use GPIOs if they're available, but don't require them. This patch actually enables this feature. Signed-off-by: Wolfgang Grandegger <wg@grandegger.com> Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2008-07-16powerpc: fix ALSA options in Freescale 85xx and 86xx defconfigsTimur Tabi
The defconfigs for Freescale 85xx and 86xx SOCs had bad choices for some audio related options. In particular, OSS emulation should be enabled, and the old ALSA API should be disabled. Signed-off-by: Timur Tabi <timur@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2008-07-16Revert "powerpc/ep8248e: Fix compile problem if !CONFIG_FS_ENET"Kumar Gala
This reverts commit e3621ee633810be1079d0fa65ac2c904f53b73fa. This was not the proper fix. As Scott Wood said CONFIG_FS_ENET has nothing to do with the issue. The proper fix is to select PHYLIB for this board.
2008-07-16powerpc/ep8248e: Unconditionally select PHYLIB for mdio_bitbangKumar Gala
Its possible to build the phylib as a module, however this breaks the board code because alloc_mdio_bitbang and mdiobus_register are not available if we build as a module. These are needed by the board code since it implements the low level mdio bitbang ops. So we unconditionally select PHYLIB to ensure its built into the kernel if we are building in EP8248E support. Long term we should look at moving the mdio_ops into its own file so it can be built as a module. Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2008-07-16powerpc/fsl: Minor TLBSYNC cleanup for FSL Book-EKumar Gala
Use the TLBSYNC macro defined in ppc_asm.h rather than our own ifdefs. Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2008-07-16powerpc: rework FSL Book-E PTE access and TLB missKumar Gala
This converts the FSL Book-E PTE access and TLB miss handling to match with the recent changes to 44x that introduce support for non-atomic PTE operations in pgtable-ppc32.h and removes write back to the PTE from the TLB miss handlers. In addition, the DSI interrupt code no longer tries to fixup write permission, this is left to generic code, and _PAGE_HWWRITE is gone. Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2008-07-16powerpc: Remove Kconfig PPC_CPM_NEW_BINDINGKumar Gala
With arch/ppc gone and all in kernel users of CONFIG_PPC_CPM_NEW_BINDING fixed up we dont have need for the Kconfig option anymore. Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2008-07-16fs_enet: Remove !CONFIG_PPC_CPM_NEW_BINDING codeKumar Gala
Now that arch/ppc is gone we always define CONFIG_PPC_CPM_NEW_BINDING so we can remove all the code associated with !CONFIG_PPC_CPM_NEW_BINDING. Also fixed some asm/of_platform.h to linux/of_platform.h (and of_device.h) Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2008-07-16Add fsl,magic-packet to, and clean up, the gianfar binding.Scott Wood
Signed-off-by: Scott Wood <scottwood@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2008-07-16gianfar: Add magic packet and suspend/resume support.Scott Wood
Signed-off-by: Scott Wood <scottwood@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2008-07-16powerpc: Fix a bunch of sparse warnings in the qe_libAndy Fleming
Mostly having to do with not marking things __iomem. And some failure to use appropriate accessors to read MMIO regs. Signed-off-by: Andy Fleming <afleming@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2008-07-16powerpc: Add support for multiple gfar mdio interfacesAndy Fleming
The old code assumed there was only one, but the 8572 actually has 3. Also, our usual id, 0xe0024520, gets resolved to -1 somewhere, and this was preventing the multiple buses from having different ids. So we only keep the low 20 bits, which have the interesting info, anyway. Signed-off-by: Andy Fleming <afleming@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2008-07-16powerpc/86xx: mpc8610_hpcd - add support for ULI RTCAnton Vorontsov
The ULI "Super South Bridge" contains ISA bridge to the legacy devices, such as Super IO mouse/keyboard/floppy disk controllers, parallel port, i8259 interrupt controller and so on. i8259 is disabled on the MPC8610HPCD, and other peripherals are not traced out. So we use only RTC. Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2008-07-16powerpc/85xx/86xx: some refactoring for fsl_uli1575 codeAnton Vorontsov
- Get rid of uses_fsl_uli_m1575, it does not scale for all cases. Instead, let's explicitly use machine_is() for each fixup. - Factor out MPC8610HPCD quirks to fsl_uli1575, and protect them with machine_is(). One step closer to multiplatform kernels. - Actually use fsl_uli1575 on MPC8610HPCD, so RTC quirk will be applied. - RTC quirk applies to all boards though, so no machine_is() checks. Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2008-07-16powerpc/fsl_uli1575: fix RTC quirk to work on MPC8572DS and MPC8610HPCDAnton Vorontsov
This patch fixes RTC on MPC8572DS boards: dummy read helps only when reading at the end of the bridge's memory (i.e. outside of behind the bridge devices' assigned regions). With this change the quirk also makes RTC work on MPC8610HPCD, so it's unlikely that this will break MPC8641HPCN or MPC8544DS boards. Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2008-07-16powerpc: Add documentation for CPM GPIO banksJochen Friedrich
Signed-off-by: Jochen Friedrich <jochen@scram.de> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2008-07-16powerpc: add FHCI USB, FSL MCU, FSL UPM and GPIO LEDs bindingsAnton Vorontsov
This patch adds few bindings for the new drivers to be submitted through the appropriate maintainers. Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2008-07-16powerpc/fsl_soc: gianfar: don't probe disabled devicesAnton Vorontsov
Freescale ships MPC8315E-RDB boards in two variants: 1. With TSEC1 ethernet support and USB UTMI PHY; 2. Without TSEC1 support, but with USB ULPI PHY in addition. For the second case U-Boot will add status = "disabled"; property into the TSEC1 node, so Linux should not try to probe it. Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2008-07-16powerpc/83xx: fix ULPI setup for MPC8315 processorsAnton Vorontsov
We must not use MPC831X_SICR[HL]_* definitions for the MPC8315 processors, because SICR USB bits locations are not compatible with MPC8313. This patch fixes ULPI workability on MPC8315E-RDB boards. Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2008-07-16powerpc: Move mpc83xx_add_bridge to fsl_pci.cJohn Rigby
This allows other platforms with the same pci block like MPC5121 to use it. Signed-off-by: John Rigby <jrigby@freescale.com> Acked-by: Grant Likely <grant.likely@secretlab.ca> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2008-07-16powerpc: pci config cleanupJohn Rigby
Choosing PCI or not at config time is allowed on some platforms via an if expression in arch/powerpc/Kconfig. To add a new platform with PCI support selectable at config time, you must change the if expression. This patch makes this easier by changing: bool "PCI support" if <long expression> to bool "PCI support" if PPC_PCI_CHOICE and adding select PPC_PCI_CHOICE to all the config nodes that were previously in the PCI if expression. Platforms with unconditional PCI support continue to just select PCI in their config nodes. Signed-off-by: John Rigby <jrigby@freescale.com> Acked-by: Grant Likely <grant.likely@secretlab.ca> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2008-07-16powerpc/mpc7448: add alias list to DTS, clean out old chosen nodePaul Gortmaker
The mpc7448hpc2 board doesn't have an alias block like most of the other modern eval boards have. We need this block in order to have u-boot be able to make use of the CONFIG_OF_STDOUT_VIA_ALIAS (vs. having a hard coded node) in the future. Also remove the old, redundant chosen node. Of all the modern Freescale eval boards (incl. 83xx, 85xx, 86xx) this is the only one which still has it. Its presence also breaks with some older versions of u-boot, like 1.3.1 -- which try and insert a second chosen node. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2008-07-16powerpc/mpc8313erdb: Add power management to the device tree.Scott Wood
Signed-off-by: Scott Wood <scottwood@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2008-07-16powerpc/mpc83xx: Power Management supportScott Wood
Basic PM support for 83xx. Standby is implemented as sleep. Suspend-to-RAM is implemented as "deep sleep" (with the processor turned off) on 831x. Signed-off-by: Scott Wood <scottwood@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2008-07-16powerpc: Update example SOC node in booting-without-of.txt.Scott Wood
Convert to DTS version 1, eliminate some obsolete practices, and correct some errors (compared to the actual 8540 device tree). Signed-off-by: Scott Wood <scottwood@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2008-07-16powerpc: Document Freescale power management nodes, and the sleep property.Scott Wood
Signed-off-by: Scott Wood <scottwood@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2008-07-16Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc: (68 commits) sdio_uart: Fix SDIO break control to now return success or an error mmc: host driver for Ricoh Bay1Controllers sdio: sdio_io.c Fix sparse warnings sdio: fix the use of hard coded timeout value. mmc: OLPC: update vdd/powerup quirk comment mmc: fix spares errors of sdhci.c mmc: remove multiwrite capability wbsd: fix bad dma_addr_t conversion atmel-mci: Driver for Atmel on-chip MMC controllers mmc: fix sdio_io sparse errors mmc: wbsd.c fix shadowing of 'dma' variable MMC: S3C24XX: Refuse incorrectly aligned transfers MMC: S3C24XX: Add maintainer entry MMC: S3C24XX: Update error debugging. MMC: S3C24XX: Add media presence test to request handling. MMC: S3C24XX: Fix use of msecs where jiffies are needed MMC: S3C24XX: Add MODULE_ALIAS() entries for the platform devices MMC: S3C24XX: Fix s3c2410_dma_request() return code check. MMC: S3C24XX: Allow card-detect on non-IRQ capable pin MMC: S3C24XX: Ensure host->mrq->data is valid ... Manually fixed up bogus executable bits on drivers/mmc/core/sdio_io.c and include/linux/mmc/sdio_func.h when merging.
2008-07-16Merge branch 'for_linus' of git://git.infradead.org/~dedekind/ubifs-2.6Linus Torvalds
* 'for_linus' of git://git.infradead.org/~dedekind/ubifs-2.6: UBIFS: include to compilation UBIFS: add new flash file system UBIFS: add brief documentation MAINTAINERS: add UBIFS section do_mounts: allow UBI root device name VFS: export sync_sb_inodes VFS: move inode_lock into sync_sb_inodes
2008-07-16Merge git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6: (76 commits) IDE: Report errors during drive reset back to user space Update documentation of HDIO_DRIVE_RESET ioctl IDE: Remove unused code IDE: Fix HDIO_DRIVE_RESET handling hd.c: remove the #include <linux/mc146818rtc.h> update the BLK_DEV_HD help text move ide/legacy/hd.c to drivers/block/ ide/legacy/hd.c: use late_initcall() remove BLK_DEV_HD_ONLY ide: endian annotations in ide-floppy.c ide-floppy: zero out the whole struct ide_atapi_pc on init ide-floppy: fold idefloppy_create_test_unit_ready_cmd into idefloppy_open ide-cd: move request prep chunk from cdrom_do_newpc_cont to rq issue path ide-cd: move request prep from cdrom_start_rw_cont to rq issue path ide-cd: move request prep from cdrom_start_seek_continuation to rq issue path ide-cd: fold cdrom_start_seek into ide_cd_do_request ide-cd: simplify request issuing path ide-cd: mv ide_do_rw_cdrom ide_cd_do_request ide-cd: cdrom_start_seek: remove unused argument block ide-cd: ide_do_rw_cdrom: add the catch-all bad request case to the if-else block ...
2008-07-16Merge branch 'release-2.6.27' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-acpi-merge-2.6 * 'release-2.6.27' of git://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-acpi-merge-2.6: (87 commits) Fix FADT parsing Add the ability to reset the machine using the RESET_REG in ACPI's FADT table. ACPI: use dev_printk when possible PNPACPI: add support for HP vendor-specific CCSR descriptors PNP: avoid legacy IDE IRQs PNP: convert resource options to single linked list ISAPNP: handle independent options following dependent ones PNP: remove extra 0x100 bit from option priority PNP: support optional IRQ resources PNP: rename pnp_register_*_resource() local variables PNPACPI: ignore _PRS interrupt numbers larger than PNP_IRQ_NR PNP: centralize resource option allocations PNP: remove redundant pnp_can_configure() check PNP: make resource assignment functions return 0 (success) or -EBUSY (failure) PNP: in debug resource dump, make empty list obvious PNP: improve resource assignment debug PNP: increase I/O port & memory option address sizes PNP: introduce pnp_irq_mask_t typedef PNP: make resource option structures private to PNP subsystem PNP: define PNP-specific IORESOURCE_IO_* flags alongside IRQ, DMA, MEM ...
2008-07-16block: Trivial fix for blk_integrity_rq()Martin K. Petersen
Fail integrity check gracefully when request does not have a bio attached (BLOCK_PC). Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-16Merge git://git.linux-nfs.org/projects/trondmy/nfs-2.6Linus Torvalds
* git://git.linux-nfs.org/projects/trondmy/nfs-2.6: (82 commits) NFSv4: Remove BKL from the nfsv4 state recovery SUNRPC: Remove the BKL from the callback functions NFS: Remove BKL from the readdir code NFS: Remove BKL from the symlink code NFS: Remove BKL from the sillydelete operations NFS: Remove the BKL from the rename, rmdir and unlink operations NFS: Remove BKL from NFS lookup code NFS: Remove the BKL from nfs_link() NFS: Remove the BKL from the inode creation operations NFS: Remove BKL usage from open() NFS: Remove BKL usage from the write path NFS: Remove the BKL from the permission checking code NFS: Remove attribute update related BKL references NFS: Remove BKL requirement from attribute updates NFS: Protect inode->i_nlink updates using inode->i_lock nfs: set correct fl_len in nlmclnt_test() SUNRPC: Support registering IPv6 interfaces with local rpcbind daemon SUNRPC: Refactor rpcb_register to make rpcbindv4 support easier SUNRPC: None of rpcb_create's callers wants a privileged source port SUNRPC: Introduce a specific rpcb_create for contacting localhost ...
2008-07-16Fix FADT parsingJan Beulich
The (1.0 inherited) separate length fields in the FADT are byte granular. Further, PM1a/b may have distinct lengths and live in distinct address spaces. acpi_tb_convert_fadt() should account for all of these conditions. Apart from these changes I'm puzzled by the fact that, not just for acpi_gbl_xpm1{a,b}_enable, acpi_hw_low_level_{read,write}() get an explicit size passed rather than using the size found in the passed GAS. What happens on a platform that defines PM1{a,b} wider than 16 bits? Of course, acpi_hw_low_level_{read,write}() at present are entirely un-prepared to deal with sizes other than 8, 16, or 32, not to speak of a non-zero bit_offset or access_width... Signed-off-by: Jan Beulich <jbeulich@novell.com> Signed-off-by: Andi Kleen <ak@linux.intel.com> Cc: Len Brown <lenb@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2008-07-16Add the ability to reset the machine using the RESET_REG in ACPI's FADT table.Aaron Durbin
Signed-off-by: Aaron Durbin <adurbin@google.com> Signed-off-by: Andi Kleen <ak@linux.intel.com> Cc: Len Brown <lenb@kernel.org> Cc: Andi Kleen <andi@firstfloor.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2008-07-16ACPI: use dev_printk when possibleBjorn Helgaas
Convert printks to use dev_printk(). The most obvious change will be messages like this: -ACPI: PCI Interrupt 0000:00:04.0[A] -> GSI 31 (level, low) -> IRQ 31 +cciss 0000:00:04.0: PCI INT A -> GSI 31 (level, low) -> IRQ 31 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>
2008-07-16PNPACPI: add support for HP vendor-specific CCSR descriptorsBjorn Helgaas
The HP CCSR descriptor describes MMIO address space that should appear as a MEM resource. This patch adds support for parsing these descriptors in the _CRS data. The visible effect of this is that these MEM resources will appear in /sys/devices/pnp0/.../resources, which means that "lspnp -v" will report it, user applications can use this to locate device CSR space, and kernel drivers can use the normal PNP resource accessors to locate them. 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: avoid legacy IDE IRQsBjorn Helgaas
If an IDE controller is in compatibility mode, it expects to use IRQs 14 and 15, so PNP should avoid them. This patch should resolve this problem report: parallel driver grabs IRQ14 preventing legacy SFF ATA controller from working https://bugzilla.novell.com/show_bug.cgi?id=375836 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: convert resource options to single linked listBjorn Helgaas
ISAPNP, PNPBIOS, and ACPI describe the "possible resource settings" of a device, i.e., the possibilities an OS bus driver has when it assigns I/O port, MMIO, and other resources to the device. PNP used to maintain this "possible resource setting" information in one independent option structure and a list of dependent option structures for each device. Each of these option structures had lists of I/O, memory, IRQ, and DMA resources, for example: dev independent options ind-io0 -> ind-io1 ... ind-mem0 -> ind-mem1 ... ... dependent option set 0 dep0-io0 -> dep0-io1 ... dep0-mem0 -> dep0-mem1 ... ... dependent option set 1 dep1-io0 -> dep1-io1 ... dep1-mem0 -> dep1-mem1 ... ... ... This data structure was designed for ISAPNP, where the OS configures device resource settings by writing directly to configuration registers. The OS can write the registers in arbitrary order much like it writes PCI BARs. However, for PNPBIOS and ACPI devices, the OS uses firmware interfaces that perform device configuration, and it is important to pass the desired settings to those interfaces in the correct order. The OS learns the correct order by using firmware interfaces that return the "current resource settings" and "possible resource settings," but the option structures above doesn't store the ordering information. This patch replaces the independent and dependent lists with a single list of options. For example, a device might have possible resource settings like this: dev options ind-io0 -> dep0-io0 -> dep1->io0 -> ind-io1 ... All the possible settings are in the same list, in the order they come from the firmware "possible resource settings" list. Each entry is tagged with an independent/dependent flag. Dependent entries also have a "set number" and an optional priority value. All dependent entries must be assigned from the same set. For example, the OS can use all the entries from dependent set 0, or all the entries from dependent set 1, but it cannot mix entries from set 0 with entries from set 1. Prior to this patch PNP didn't keep track of the order of this list, and it assigned all independent options first, then all dependent ones. Using the example above, that resulted in a "desired configuration" list like this: ind->io0 -> ind->io1 -> depN-io0 ... instead of the list the firmware expects, which looks like this: ind->io0 -> depN-io0 -> ind-io1 ... 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>
2008-07-16ISAPNP: handle independent options following dependent onesBjorn Helgaas
The ISAPNP spec recommends that independent options precede dependent ones, but this is not actually required. The current ISAPNP code incorrectly puts such trailing independent options at the end of the last dependent option list. This patch fixes that bug by resetting the current option list to the independent list when we see an "End Dependent Functions" tag. PNPBIOS and PNPACPI handle this the same way. 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: remove extra 0x100 bit from option priorityBjorn Helgaas
When building resource options, ISAPNP and PNPBIOS set the priority to something like "0x100 | PNP_RES_PRIORITY_ACCEPTABLE", but we immediately mask off the 0x100 again in pnp_build_option(), so that bit looks superfluous. Thanks to Rene Herman <rene.herman@gmail.com> for pointing this out. 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: support optional IRQ resourcesBjorn Helgaas
This patch adds an IORESOURCE_IRQ_OPTIONAL flag for use when assigning resources to a device. If the flag is set and we are unable to assign an IRQ to the device, we can leave the IRQ disabled but allow the overall resource allocation to succeed. Some devices request an IRQ, but can run without an IRQ (possibly with degraded performance). This flag lets us run the device without the IRQ instead of just leaving the device disabled. This is a reimplementation of this previous change by Rene Herman <rene.herman@gmail.com>: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=3b73a223661ed137c5d3d2635f954382e94f5a43 I reimplemented this for two reasons: - to prepare for converting all resource options into a single linked list, as opposed to the per-resource-type lists we have now, and - to preserve the order and number of resource options. In PNPBIOS and ACPI, we configure a device by giving firmware a list of resource assignments. It is important that this list has exactly the same number of resources, in the same order, as the "template" list we got from the firmware in the first place. The problem of a sound card MPU401 being left disabled for want of an IRQ was reported by Uwe Bugla <uwe.bugla@gmx.de>. 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: rename pnp_register_*_resource() local variablesBjorn Helgaas
No functional change; just rename "data" to something more descriptive. 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: ignore _PRS interrupt numbers larger than PNP_IRQ_NRBjorn Helgaas
ACPI Extended Interrupt Descriptors can encode 32-bit interrupt numbers, so an interrupt number may exceed the size of the bitmap we use to track possible IRQ settings. To avoid corrupting memory, complain and ignore too-large interrupt numbers. There's similar code in pnpacpi_parse_irq_option(), but I didn't change that because the small IRQ descriptor can only encode IRQs 0-15, which do not exceed bitmap size. In the future, we could handle IRQ numbers greater than PNP_IRQ_NR by replacing the bitmap with a table or list. 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: centralize resource option allocationsBjorn Helgaas
This patch moves all the option allocations (pnp_mem, pnp_port, etc) into the pnp_register_{mem,port,irq,dma}_resource() functions. This will make it easier to rework the option data structures. The non-trivial part of this patch is the IRQ handling. The backends have to allocate a local pnp_irq_mask_t bitmap, populate it, and pass a pointer 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: remove redundant pnp_can_configure() checkBjorn Helgaas
pnp_assign_resources() is static and the only caller checks pnp_can_configure() before calling it, so no need to do it again. 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: make resource assignment functions return 0 (success) or -EBUSY (failure)Bjorn Helgaas
This patch doesn't change any behavior; it just makes the return values more conventional. This changes pnp_assign_dma() from a void function to one that returns an int, just like the other assignment functions. For now, at least, pnp_assign_dma() always returns 0 (success), so it appears to never fail, just like before. 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: in debug resource dump, make empty list obviousBjorn Helgaas
If the resource list is empty, say that explicitly. Previously, it was confusing because often the heading was followed by zero resource lines, then some "add resource" lines from auto-assignment, so the "add" lines looked like current resources. 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: improve resource assignment debugBjorn Helgaas
When we fail to assign an I/O or MEM resource, include the min/max in the debug output to help match it with the options. 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: increase I/O port & memory option address sizesBjorn Helgaas
ACPI Address Space Descriptors can be up to 64 bits wide. We should keep track of the whole thing when parsing resource options, so this patch changes PNP port and mem option fields from "unsigned short" and "unsigned int" to "resource_size_t". 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: 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>