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2008-04-26Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-generic-bitops-v3 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-generic-bitops-v3: x86, bitops: select the generic bitmap search functions x86: include/asm-x86/pgalloc.h/bitops.h: checkpatch cleanups - formatting only x86: finalize bitops unification x86, UML: remove x86-specific implementations of find_first_bit x86: optimize find_first_bit for small bitmaps x86: switch 64-bit to generic find_first_bit x86: generic versions of find_first_(zero_)bit, convert i386 bitops: use __fls for fls64 on 64-bit archs generic: implement __fls on all 64-bit archs generic: introduce a generic __fls implementation x86: merge the simple bitops and move them to bitops.h x86, generic: optimize find_next_(zero_)bit for small constant-size bitmaps x86, uml: fix uml with generic find_next_bit for x86 x86: change x86 to use generic find_next_bit uml: Kconfig cleanup uml: fix build error
2008-04-26Merge 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: (46 commits) ide: constify struct ide_dma_ops ide: add struct ide_dma_ops (take 3) ide: add IDE_HFLAG_SERIALIZE_DMA host flag sl82c105: check bridge revision in sl82c105_init_one() au1xxx-ide: use ->init_dma method palm_bk3710: use ->init_dma method sgiioc4: use ->init_dma method icside: use ->init_dma method ide-pmac: use ->init_dma method ide: do complete DMA setup in ->init_dma method (take 2) au1xxx-ide: fix MWDMA support ide: cleanup ide_setup_dma() ide: factor out setting PCI bus-mastering from ide_hwif_setup_dma() ide: export ide_allocate_dma_engine() ide: move ide_setup_dma() call out from ->init_dma method alim15x3: skip DMA initialization completely on revs < 0x20 pdc202xx_old: remove init_dma_pdc202xx() ide: don't display "BIOS" settings in ide_setup_dma() ide: remove ->cds field from ide_hwif_t (take 2) ide: remove ide_dma_iobase() ...
2008-04-26Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86-bigbox-bootparam * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86-bigbox-bootparam: x86, boot: Document for linked list of struct setup_data x86, boot: export linked list of struct setup_data via debugfs x86, boot: add linked list of struct setup_data x86, boot: add free_early to early reservation machanism
2008-04-26ide: constify struct ide_dma_opsBartlomiej Zolnierkiewicz
* Export ide_dma_exec_cmd() and __ide_dma_test_irq(). * Constify struct ide_dma_ops. * Always set hwif->dma_ops to &sff_dma_ops in ide_setup_dma() (it is later overriden by ide_init_port() if needed) and drop 'const struct ide_port_info *d' argument. While at it: * Rename __ide_dma_test_irq() to ide_dma_test_irq(). Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-04-26ide: add struct ide_dma_ops (take 3)Bartlomiej Zolnierkiewicz
Add struct ide_dma_ops and convert core code + drivers to use it. While at it: * Drop "ide_" prefix from ->ide_dma_end and ->ide_dma_test_irq methods. * Drop "ide_" "infixes" from DMA methods. * au1xxx-ide.c: - use auide_dma_{test_irq,end}() directly in auide_dma_timeout() * pdc202xx_old.c: - drop "old_" "infixes" from DMA methods * siimage.c: - add siimage_dma_test_irq() helper - print SATA warning in siimage_init_one() * Remove no longer needed ->init_hwif implementations. v2: * Changes based on review from Sergei: - s/siimage_ide_dma_test_irq/siimage_dma_test_irq/ - s/drive->hwif/hwif/ in idefloppy_pc_intr(). - fix patch description w.r.t. au1xxx-ide changes - fix au1xxx-ide build - fix naming for cmd64*_dma_ops - drop "ide_" and "old_" infixes - s/hpt3xxx_dma_ops/hpt37x_dma_ops/ - s/hpt370x_dma_ops/hpt370_dma_ops/ - use correct DMA ops for HPT302/N, HPT371/N and HPT374 - s/it821x_smart_dma_ops/it821x_pass_through_dma_ops/ v3: * Two bugs slipped in v2 (noticed by Sergei): - use correct DMA ops for HPT374 (for real this time) - handle HPT370/HPT370A properly Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-04-26ide: add IDE_HFLAG_SERIALIZE_DMA host flagBartlomiej Zolnierkiewicz
* Add IDE_HFLAG_SERIALIZE_DMA host flag to serialize ports if DMA is available and handle it in ide_init_port(). * Convert sl82c105 host driver to use this new flag. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-04-26sl82c105: check bridge revision in sl82c105_init_one()Bartlomiej Zolnierkiewicz
* Make sl82c105_bridge_revision() return 'u8' instead of 'unsigned long'. * Check bridge revision in sl82c105_init_one(). While at: * Use proper KERN_ level for printk(). Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-04-26au1xxx-ide: use ->init_dma methodBartlomiej Zolnierkiewicz
* Pass 'ide_hwif_t *hwif' instead of '_auide_hwif *auide' to auide_ddma_init(). * Add 'const struct ide_port_info *d' argument to auide_ddma_init(). * Convert the driver to use ->init_dma method. Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-04-26palm_bk3710: use ->init_dma methodBartlomiej Zolnierkiewicz
* Move DMA setup to palm_bk3710_init_dma(). * Convert the driver to use ->init_dma method. Cc: Anton Vorontsov <avorontsov@ru.mvista.com> Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-04-26sgiioc4: use ->init_dma methodBartlomiej Zolnierkiewicz
* Move dma_base check from sgiioc4_ide_setup_pci_device() to ide_dma_sgiioc4(). * Replace ide_dma_sgiioc4() 'unsigned long dma_base' argument by 'const struct ide_port_info *d'. * Move hwif->INB setup from ide_init_sgiioc4() to sgiioc4_ide_setup_pci_device(). * Move ide_init_sgiioc4() call from sgiioc4_ide_setup_pci_device() to ide_dma_sgiioc4(). * Convert the driver to use ->init_dma method. Cc: Jeremy Higdon <jeremy@sgi.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-04-26icside: use ->init_dma methodBartlomiej Zolnierkiewicz
* Add 'const struct ide_port_info *d' argument to icside_dma_init(). * Make icside_dma_init() return an error value and add icside_dma_off_init() (->init_dma implementation for case when DMA cannot be enabled). * Convert the driver to use ->init_dma method. Cc: Russell King <rmk@arm.linux.org.uk> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-04-26ide-pmac: use ->init_dma methodBartlomiej Zolnierkiewicz
* Move pmif->dma_regs check from pmac_ide_setup_device() to pmac_ide_init_dma(). * Get 'pmif' from 'hwif->hwif_data' in pmac_ide_init_dma() and replace 'pmac_ide_hwif_t *pmif' argument by 'const struct ide_port_info *d'. * Add pmac_ide_init_dma() implementation for CONFIG_BLK_DEV_IDEDMA_PMAC=n case and convert the driver to use ->init_dma method. Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-04-26ide: do complete DMA setup in ->init_dma method (take 2)Bartlomiej Zolnierkiewicz
* Make ide_hwif_setup_dma() return an error value. * Pass 'const struct ide_port_info *d' instead of 'unsigned long dmabase' to ->init_dma method and make it return an error value. * Rename ide_get_or_set_dma_base() to ide_pci_dma_base(), change ordering of its arguments and then export it. * Export ide_pci_set_master(). * Do complete DMA setup inside ->init_dma method and update ->init_dma users accordingly. * Sanitize code for DMA setup in ide_init_port(). v2: * Fix for CONFIG_BLK_DEV_IDEDMA_PCI=n configs (from Jiri Slaby <jirislaby@gmail.com>): Fix following compiler warning by returning EINVAL: In file included from ANYTHING-INCLUDING-IDE.H:45: include/linux/ide.h: In function ‘ide_hwif_setup_dma’: include/linux/ide.h:1022: warning: no return statement in function returning non-void Cc: Jiri Slaby <jirislaby@gmail.com> Cc: Andrew Morton <akpm@linux-foundation.org> Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-04-26au1xxx-ide: fix MWDMA supportBartlomiej Zolnierkiewicz
Always use "fast" MWDMA support and remove dma_{black,white}_list (they were based on completely bogus ->ide_dma_check implementation which didn't set neither the host controller timings nor the device for the desired transfer mode). Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-04-26ide: cleanup ide_setup_dma()Bartlomiej Zolnierkiewicz
* There is no need to call ide_release_dma_engine(). * Move the code up to (and including) ide_allocate_dma_engine() call to the callers of ide_setup_dma(). There should be no functional changes caused by this patch. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-04-26ide: factor out setting PCI bus-mastering from ide_hwif_setup_dma()Bartlomiej Zolnierkiewicz
Factor out setting PCI bus-mastering from ide_hwif_setup_dma() to ide_pci_set_master() helper. While at it: * don't read PCI Command register if not necessary * use PCI device name instead of hwif->name * cleanup ide_hwif_setup_dma() a bit Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-04-26ide: export ide_allocate_dma_engine()Bartlomiej Zolnierkiewicz
Export ide_allocate_dma_engine() and use it in trm290 host driver. Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-04-26ide: move ide_setup_dma() call out from ->init_dma methodBartlomiej Zolnierkiewicz
There should be no functional changes caused by this patch. Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-04-26alim15x3: skip DMA initialization completely on revs < 0x20Bartlomiej Zolnierkiewicz
Skip DMA initialization completely on revs < 0x20 by setting IDE_HFLAG_NO_DMA host flag and resetting DMA host masks in alim15x3_init_one() (currently ide_hwif_setup_dma() will try to obtain DMA base and setup PCI bus-mastering but init_dma_ali15x3() will fail). Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-04-26pdc202xx_old: remove init_dma_pdc202xx()Bartlomiej Zolnierkiewicz
Do PDC202xx specific DMA initialization in init_chipset_pdc202xx() and remove no longer needed init_dma_pdc202xx(). Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-04-26ide: don't display "BIOS" settings in ide_setup_dma()Bartlomiej Zolnierkiewicz
Nowadays BIOS info is not very useful and only confuses users since: - IDE always tries to use DMA - BIOS info may not be accurate with modular IDE/libata Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-04-26ide: remove ->cds field from ide_hwif_t (take 2)Bartlomiej Zolnierkiewicz
* Use hwif->name instead of cds->name in ide_allocate_dma_engine(). * Use pci_name(dev) instead of cds->name in init_dma_pdc202xx(). * Remove no longer needed ->cds field from ide_hwif_t. v2: * scc_pata.c also needs to be updated now (noticed by Stephen Rothwell). There should be no functional changes caused by this patch. Cc: Kou Ishizaki <kou.ishizaki@toshiba.co.jp> Cc: Akira Iguchi <akira2.iguchi@toshiba.co.jp> Cc: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-04-26ide: remove ide_dma_iobase()Bartlomiej Zolnierkiewicz
* ide_mapped_mmio_dma() and ide_iomio_dma() are called only by ide_dma_iobase() so inline them there. * ide_dma_iobase() is called only by ide_setup_dma() so inline it there. * Setup hwif->extra_base also if hwif->mmio flag is set. There should be no functional changes casued by this patch. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-04-26ide: remove ->extra field from struct ide_port_infoBartlomiej Zolnierkiewicz
Always setup hwif->extra_base in ide_iomio_dma() and remove no longer needed ->extra field from struct ide_port_info. There should be no functional changes caused by this patch. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-04-26ide: replace remaining __FUNCTION__ occurrencesHarvey Harrison
__FUNCTION__ is gcc-specific, use __func__ [bart: fix checkpatch.pl errors in ide-lib.c and ppc/mpc8xx.c while at it] Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-04-26ide-tape: remove idetape_pipeline_active()Borislav Petkov
This function was simply a wrapper for a test_bit() macro so remove it and use the macro instead. Signed-off-by: Borislav Petkov <petkovbb@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-04-26ide: cleanup setting hwif->mmio flagBartlomiej Zolnierkiewicz
It is no longer needed to set hwif->mmio flag to tell IDE layer to not manage resources so cleanup host drivers that used hwif->mmio flag only for this purpose. Ditto for ide_legacy_init_one(). Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-04-26ide: remove ide_hwif_request_regions()Bartlomiej Zolnierkiewicz
Remove no longer used ide_hwif_request_regions() and hwif_request_region(). Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-04-26ide: manage resources for PCI devices in ide_pci_enable() (take 3)Bartlomiej Zolnierkiewicz
* Reserve PCI BARs 0-3 (0-1 for single port controllers) in ide_pci_enable() and remove ide_hwif_request_regions() call from ide_device_add_all() (also cleanup resource management in scc_pata host driver). * Fix handling of PCI BAR 4 in ide_pci_enable(), then cleanup ide_iomio_dma() (+ init_hwif_trm290() in trm290 host driver) and remove ide_release[_iomio]_dma(). v2: * Fixup trm290 host driver. v3: * Because of scc_pata host driver changes we need to call pci_request_selected_regions() also in setup_mmio_scc(). Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-04-26cmd640: manage I/O resources in driverBartlomiej Zolnierkiewicz
* Tell IDE layer to not manage resources by setting hwif->mmio flag. * Use {request,release}_region() for resources management. * Use driver name for resources management. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-04-26ide: manage I/O resources in ide_legacy_init_one()Bartlomiej Zolnierkiewicz
* Tell IDE layer to not manage resources by setting hwif->mmio flag. * Use {request,release}_region() for resources management. * Set ->name field of 'struct ide_port_info' instances in legacy VLB host drivers and use driver name for resources management. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-04-26ide: add ide_legacy_init_one() helperBartlomiej Zolnierkiewicz
Move the common code for primary/seconary port setup from ide_legacy_device_add() to ide_legacy_init_one(). There should be no functional changes caused by this patch. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-04-26ide_arm: manage I/O resources in driverBartlomiej Zolnierkiewicz
* Tell IDE layer to not manage resources by setting hwif->mmio flag. * Use {request,release}_region() for resources management. * Use driver name for resources management. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-04-26ide-4drives: manage I/O resources in driverBartlomiej Zolnierkiewicz
* Tell IDE layer to not manage resources by setting hwif->mmio flag. * Use {request,release}_region() for resources management. * Use driver name for resources management. * Remove no longer needed 'hwif->chipset == ide_4drives' handling from ide_device_add_all(). Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-04-26ide-generic: manage I/O resources in driverBartlomiej Zolnierkiewicz
* Tell IDE layer to not manage resources by setting hwif->mmio flag. * Use {request,release}_region() for resources management. * Use driver name for resources management. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-04-26ide: remove ide_hwif_release_regions()Bartlomiej Zolnierkiewicz
All host drivers using ide_unregister()/module_exit() have been fixed to manage resources themselves so this function can be removed now. There should be no functional changes caused by this patch. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-04-26ide: register ports with non-present devices (for warm-plug)Bartlomiej Zolnierkiewicz
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-04-26ide-cs: manage I/O resources in driverBartlomiej Zolnierkiewicz
* Make idecs_register() return pointer to hwif structure instead of hwif's index. * Store pointer to hwif structure instead of hwif's index in ide_info_t (fixes ide-cs for IDE[6-9]_MAJOR major numbers). * Remove no longer needed ide_major[]. * Tell IDE layer to not manage resources by setting hwif->mmio flag. * Use {request,release}_region() for resources management. * Use driver name for resources management. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-04-26ide-pnp: manage I/O resources in driverBartlomiej Zolnierkiewicz
* Tell IDE layer to not manage resources by setting hwif->mmio flag. * Use {request,release}_region() for resources management. * Use driver name for resources management. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-04-26qd65xx: cleanup qd_probe()Bartlomiej Zolnierkiewicz
* Replace 'if ()'-s by 'switch ()' block. * Merge common code for QD6500/QD6580A/QD6580B. There should be no functional changes caused by this patch. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-04-26ide: use ide_legacy_device_add() for qd65xx (take 2)Bartlomiej Zolnierkiewicz
* Add 'unsigned long config' argument to ide_legacy_device_add() for setting hwif->config_data. * Use ide_find_port_slot() instead of ide_find_port() in ide_legacy_device_add(). * Handle IDE_HFLAG_QD_2ND_PORT and IDE_HFLAG_SINGLE host flags in ide_legacy_device_add(). * Convert qd65xx host driver to use ide_legacy_device_add(). v2: * Update ali14xx, dtc2278, ht6560b and umc8672 host drivers. There should be no functional changes caused by this patch. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-04-26ide: add ide_legacy_device_add() helperBartlomiej Zolnierkiewicz
Add ide_legacy_device_add() helper for use by legacy VLB host drivers (+ convert them to use it). There should be no functional changes caused by this patch. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-04-26ide: remove ->noprobe field from ide_hwif_tBartlomiej Zolnierkiewicz
Update IDE PMAC host driver to use drive->noprobe instead of hwif->noprobe and remove hwif->noprobe completely (it is always set to zero now). There should be no functional changes caused by this patch. Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-04-26ide-cd: fix remaining checkpatch.pl issuesBorislav Petkov
Some of them are: WARNING: braces {} are not necessary for single statement blocks CHECK: multiple assignments should be avoided WARNING: printk() should include KERN_ facility level WARNING: no space between function name and open parenthesis '(' [bart: minor fixups] Signed-off-by: Borislav Petkov <petkovbb@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-04-26ide-cd: shorten lines longer than 80 columnsBorislav Petkov
[bart: minor fixups] Signed-off-by: Borislav Petkov <petkovbb@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-04-26ide-cd: fixup commentsBorislav Petkov
[bart: minor fixups, md5sum checked] Signed-off-by: Borislav Petkov <petkovbb@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-04-26ide-cd: put all proc-related code at one placeBorislav Petkov
Signed-off-by: Borislav Petkov <petkovbb@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-04-26ide-cd: include proper headersBorislav Petkov
Signed-off-by: Borislav Petkov <petkovbb@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-04-26ide: add struct ide_port_ops (take 2)Bartlomiej Zolnierkiewicz
* Move hooks for port/host specific methods from ide_hwif_t to 'struct ide_port_ops'. * Add 'const struct ide_port_ops *port_ops' to 'struct ide_port_info' and ide_hwif_t. * Update host drivers and core code accordingly. While at it: * Rename ata66_*() cable detect functions to *_cable_detect() to match the standard naming. (Suggested by Sergei Shtylyov) v2: * Fix build for bast-ide. (Noticed by Andrew Morton) Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-04-26x86, boot: Document for linked list of struct setup_dataHuang, Ying
Documentation for linked list of struct setup_data. Signed-off-by: Huang Ying <ying.huang@intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>