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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>
2008-04-26x86, boot: export linked list of struct setup_data via debugfsHuang, Ying
Export linked list of struct setup_data via debugfs. 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>
2008-04-26x86, boot: add linked list of struct setup_dataHuang, Ying
This patch adds a field of 64-bit physical pointer to NULL terminated single linked list of struct setup_data to real-mode kernel header. This is used as a more extensible boot parameters passing mechanism. 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>
2008-04-26x86, boot: add free_early to early reservation machanismHuang, Ying
Add free_early to early reservation mechanism - this way early bootup failure paths can stop wasting memory. 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>
2008-04-26x86, PAT: disable /dev/mem mmap RAM with PATVenki Pallipadi
disable /dev/mem mmap of RAM with PAT. It makes things safer and eliminates aliasing. A future improvement would be to avoid the range_is_allowed duplication. Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-04-26kbuild: scripts/Makefile.modpost typo fixAdrian Bunk
-EVIUSER ;-) Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2008-04-26kbuild: soften MODULE_LICENSE checkSam Ravnborg
Only modules that has other MODULE_* content shall have the MODULE_LICENSE() tag. This fixes allmodconfig build on my box. Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2008-04-26x86, bitops: select the generic bitmap search functionsAlexander van Heukelum
Introduce GENERIC_FIND_FIRST_BIT and GENERIC_FIND_NEXT_BIT in lib/Kconfig, defaulting to off. An arch that wants to use the generic implementation now only has to use a select statement to include them. I added an always-y option (X86_CPU) to arch/x86/Kconfig.cpu and used that to select the generic search functions. This way ARCH=um SUBARCH=i386 automatically picks up the change too, and arch/um/Kconfig.i386 can therefore be simplified a bit. ARCH=um SUBARCH=x86_64 does things differently, but still compiles fine. It seems that a "def_bool y" always wins over a "def_bool n"? Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-04-26x86: include/asm-x86/pgalloc.h/bitops.h: checkpatch cleanups - formatting onlyJoe Perches
Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-04-26x86: finalize bitops unificationAlexander van Heukelum
include/asm-x86/bitops_32.h and include/asm-x86/bitops_64.h are now almost identical. The 64-bit version sets ARCH_HAS_FAST_MULTIPLIER and has an extra inline function set_bit_string. The define currently has no influence on the generated code, but it can be argued that setting it on i386 is the right thing to do anyhow. The addition of the extra inline function on i386 does not hurt either. Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-04-26x86, UML: remove x86-specific implementations of find_first_bitAlexander van Heukelum
x86 has been switched to the generic versions of find_first_bit and find_first_zero_bit, but the original versions were retained. This patch just removes the now unused x86-specific versions. also update UML. Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-04-26x86: optimize find_first_bit for small bitmapsAlexander van Heukelum
Avoid a call to find_first_bit if the bitmap size is know at compile time and small enough to fit in a single long integer. Modeled after an optimization in the original x86_64-specific code. Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-04-26x86: switch 64-bit to generic find_first_bitAlexander van Heukelum
Switch x86_64 to generic find_first_bit. The x86_64-specific implementation is not removed. Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-04-26x86: generic versions of find_first_(zero_)bit, convert i386Alexander van Heukelum
Generic versions of __find_first_bit and __find_first_zero_bit are introduced as simplified versions of __find_next_bit and __find_next_zero_bit. Their compilation and use are guarded by a new config variable GENERIC_FIND_FIRST_BIT. The generic versions of find_first_bit and find_first_zero_bit are implemented in terms of the newly introduced __find_first_bit and __find_first_zero_bit. This patch does not remove the i386-specific implementation, but it does switch i386 to use the generic functions by setting GENERIC_FIND_FIRST_BIT=y for X86_32. Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-04-26bitops: use __fls for fls64 on 64-bit archsAlexander van Heukelum
Use __fls for fls64 on 64-bit archs. The implementation for 64-bit archs is moved from x86_64 to asm-generic. Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-04-26generic: implement __fls on all 64-bit archsAlexander van Heukelum
Implement __fls on all 64-bit archs: alpha has an implementation of fls64. Added __fls(x) = fls64(x) - 1. ia64 has fls, but not __fls. Added __fls based on code of fls. mips and powerpc have __ilog2, which is the same as __fls. Added __fls = __ilog2. parisc, s390, sh and sparc64: Include generic __fls. x86_64 already has __fls. Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-04-26generic: introduce a generic __fls implementationAlexander van Heukelum
Add a generic __fls implementation in the same spirit as the generic __ffs one. It finds the last (most significant) set bit in the given long value. Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-04-26x86: merge the simple bitops and move them to bitops.hAlexander van Heukelum
Some of those can be written in such a way that the same inline assembly can be used to generate both 32 bit and 64 bit code. For ffs and fls, x86_64 unconditionally used the cmov instruction and i386 unconditionally used a conditional branch over a mov instruction. In the current patch I chose to select the version based on the availability of the cmov instruction instead. A small detail here is that x86_64 did not previously set CONFIG_X86_CMOV=y. Improved comments for ffs, ffz, fls and variations. Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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