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2006-03-23[PATCH] powerpc: tidy-up of_register_driver()/driver_register() return valuesBjorn Helgaas
Remove the assumption that driver_register() returns the number of devices bound to the driver. In fact, it returns zero for success or a negative error value. Nobody uses the return value of of_register_driver() anyway. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-03-23[PATCH] powerpc: via-pmu warning fixAndrew Morton
drivers/macintosh/via-pmu.c:164: warning: `sleep_in_progress' defined but not used Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-03-23[PATCH] macintosh: cleanup the use of i2c headersJean Delvare
Cleanup the use of i2c headers in macintosh drivers. Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-03-23[PATCH] powerpc: dont allow old RTC to be selectedAnton Blanchard
Now powerpc uses the generic RTC stuff we should not enable the old RTC. Doing so will result in hangs at boot. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-03-23[PATCH] powerpc: make powerbook_sleep_grackle staticOlaf Hering
powerbook_sleep_grackle is only called inside via-pmu, from pmu_ioctl() Signed-off-by: Olaf Hering <olh@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-03-23[PATCH] powerpc: Fix warning in add_memoryAndrew Morton
arch/powerpc/mm/mem.c: In function `add_memory': arch/powerpc/mm/mem.c:128: warning: assignment makes integer from pointer without a cast Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-03-22[PATCH] powerpc: update mailing list addressesStephen Rothwell
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-03-22[PATCH] powerpc: Remove calculation of io holeMichael Ellerman
In mm_init_ppc64() we calculate the location of the "IO hole", but then no one ever looks at the value. So don't bother. That's actually all mm_init_ppc64() does, so get rid of it too. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-03-22[PATCH] powerpc: iseries: Add bootargs to /chosenMichael Ellerman
Add the command line args to the device tree as /chosen/bootargs. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-03-22[PATCH] powerpc: iseries: Add /system-id, /model and /compatibleMichael Ellerman
Add /system-id, /model and /compatible to the iSeries device tree. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-03-22[PATCH] powerpc: Add strne2a() to convert a string from EBCDIC to ASCIIMichael Ellerman
Add strne2a() which converts a string from EBCDIC to ASCII. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-03-22[PATCH] powerpc: iseries: Make more stuff static in platforms/iseries/mf.cMichael Ellerman
Make mf_get_rtc(), mf_get_boot_rtc() and mf_set_rtc() static, cause they can be. We need to move mf_set_rtc() to avoid a forward declaration. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-03-22[PATCH] powerpc: iseries: Remove pointless iSeries_(restart|power_off|halt)Michael Ellerman
These routines just call through to the mf routines, so point ppc_md straight at the mf routines. We need to pass the cmd through to mf_reboot to make it work, but that seems reasonable. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-03-22[PATCH] powerpc: iseries: mf related cleanupsMichael Ellerman
Some cleanups in the iSeries code. - Make mf_display_progress() check mf_initialized rather than the caller. - Set mf_initialized in mf_init() rather than in setup.c - Then move mf_initialized into mf.c, the only place it's used. - Move the mf related logic from iSeries_progress() to mf_display_progress() - Use a #define to size the pending_event_prealloc array - Use that define in the initialsation loop rather than sizeof jiggery pokery - Remove stupid comment(s) - Mark stuff static and/or __init Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-03-22[PATCH] powerpc: Replace platform_is_lpar() with a firmware featureMichael Ellerman
It has been decreed that platform numbers are evil, so as a step in that direction, replace platform_is_lpar() with a FW_FEATURE_LPAR bit. Currently FW_FEATURE_LPAR really means i/pSeries LPAR, in the future we might have to clean that up if we need to be more specific about what LPAR actually means. But that's another patch ... Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-03-22[PATCH] powerpc: trivial: Cleanup whitespace in cputable.hMichael Ellerman
Remove redundant whitespace in include/asm-powerpc/cputable.h Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-03-22[PATCH] powerpc: Remove unused iommu_off logic from pSeries_init_early()Michael Ellerman
When iommu_init_early_pSeries() was added, ages ago, we forgot to remove the code that checks /chosen/linux,iommu-off in pSeries_init_early(). We do it now in iommu_init_early_pSeries(). Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Acked-by: Olof Johansson <olof@lixom.net> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-03-22[PATCH] powerpc: Unconfuse htab_bolt_mapping() callersMichael Ellerman
htab_bolt_mapping() takes a vstart and pstart parameter, but all but one of its callers actually pass it vstart and vstart. Luckily before it passes paddr (calculated from paddr) to the hpte_insert routines it calls virt_to_abs() (aka. __pa()) on the address, so there isn't actually a bug. map_io_page() however does pass pstart properly, so currently it's broken AFAICT because we're calling __pa(paddr) which will get us something very large. Presumably no one's calling map_io_page() in the right context. Anyway, change htab_bolt_mapping() callers to properly pass pstart, and then use it properly in htab_bolt_mapping(), ie. don't call __pa() on it again. Booted on p5 LPAR, iSeries and Power3. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-03-22[PATCH] powerpc numa: Consolidate assignment of cpus to nodesNathan Lynch
We can plug the boot cpu into its node independently of whether numa topology is detected. And numa_setup_cpu does the right thing for all cases now, so remove special-casing for non-numa from the cpu hotplug callback. Signed-off-by: Nathan Lynch <nathanl@austin.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-03-22[PATCH] powerpc numa: Support sparse online node mapNathan Lynch
The powerpc numa code unconditionally onlines all nodes from 0 to the highest node id found, regardless of whether cpus or memory are present in the nodes. This wastes 8K per node and complicates some cpu and memory hotplug situations, such as adding a resource that doesn't map to one of the nodes discovered at boot. Set nodes online as resources are scanned. Fall back to node 0 only when we're sure this isn't a NUMA machine. Instead of defaulting to node 0 for cases of hot-adding a resource which doesn't belong to any initialized node, assign it to the first online node. Signed-off-by: Nathan Lynch <nathanl@austin.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-03-22[PATCH] powerpc numa: Consolidate handling of Power4 special caseNathan Lynch
Code to handle Power4's invalid node id (0xffff) is duplicated for cpu and memory. Better to handle this case in one place -- of_node_to_nid. Overall behavior should be unchanged. Signed-off-by: Nathan Lynch <nathanl@austin.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-03-22[PATCH] powerpc numa: Get rid of "numa domain" terminologyNathan Lynch
Since we effectively treat the domain ids given to us by firmare as logical node ids, make this explicit (basically s/numa_domain/nid/). No functional changes, only variable and function names are modified. Signed-off-by: Nathan Lynch <nathanl@austin.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-03-22[PATCH] powerpc numa: Minor cpu hotplug-related cleanupsNathan Lynch
map_cpu_to_node does not need to be inline, it is never called in a hot path. map_cpu_to_node, numa_setup_cpu, and find_cpu_node can be marked __cpuinit, as they are never used after boot if CONFIG_HOTPLUG_CPU=n. Signed-off-by: Nathan Lynch <nathanl@austin.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-03-22[PATCH] powerpc numa: Minor debugging code changesNathan Lynch
Add debug statement for map_cpu_to_node; it's useful for cpu hotplug. Clarify debug statement about not finding the numa reference points property. Don't print a meaningless associativity depth (-1) on non-numa systems. Signed-off-by: Nathan Lynch <nathanl@austin.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-03-22[PATCH] powerpc numa: fix boot_cpuid always assigned to node 0Nathan Lynch
At boot, the numa code is assigning boot_cpuid to node 0 unconditionally. Basically, numa_setup_cpu is being stupid about it, but this is the minimal fix -- just call numa_setup_cpu(boot_cpuid) later, after all nodes have been set online. Signed-off-by: Nathan Lynch <nathanl@austin.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-03-22Merge branch '85xx' of ↵Paul Mackerras
git://git.kernel.org/pub/scm/linux/kernel/git/galak/powerpc
2006-03-20Merge branch 'master'Kumar Gala
2006-03-20Merge branch 'master'Kumar Gala
2006-03-17[PATCH] powerpc: Fix bug in bug fix for bug in lmb_alloc()Michael Ellerman
My patch (d7a5b2ffa1352f0310630934a56aecbdfb617b72) to always panic if lmb_alloc() fails is broken because it checks alloc < 0, but should be checking alloc == 0. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-03-17[PATCH] spidernet: select FW_LOADERChristoph Hellwig
The spidernet drivers uses request_firmware() and thus needs to select FW_LOADER. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-03-17[PATCH] Fix compile error for ML300/403Grant Likely
Needed due to changes in ppc_sys.c. Signed-off-by: Grant Likely <grant.likely@secretlab.ca> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-03-17[PATCH] ppc: Fix platform_notify functions marked __initAdrian Cox
While adding USB support to an MV64360 based board this week, I discovered that all MV64x60 boards in the kernel have platform_notify functions marked with __init. This causes an oops if a device is added after boot. The patch below removes the __init markers. I do not have all these boards to test on, but the change seems very unlikely to break anything else. Signed-off-by: Adrian Cox <adrian@humboldt.co.uk> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-03-17[PATCH] powerpc: add a raw dump command to xmonOlaf Hering
Dump a stream of rawbytes with a new 'dr' command. Produces less output and it is simpler to feed the output to scripts. Also, dr has no dumpsize limits. Signed-off-by: Olaf Hering <olh@suse.de> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-03-17[PATCH] powerpc: add for_each_node_by_foo helpersChristoph Hellwig
Typical use for of_find_node_by_name and of_find_node_by_type is to iterate over all nodes of a given type/name. Add a helper macro to do that (in spirit of the list_for_each* macros). Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-03-17[PATCH] kzalloc() conversion in arch/ppcEric Sesterhenn
This converts arch/ppc to kzalloc usage. Crosscompile tested with allyesconfig. Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-03-17[PATCH] powerpc: Better pmd_bad() and pud_bad() checksDavid Gibson
At present, the powerpc pmd_bad() and pud_bad() macros return false unless the given pmd or pud is zero. This patch makes these tests more thorough, checking if the given pmd or pud looks like a plausible pte page or pmd page pointer respectively. This can result in helpful error messages when messing with the pagetable code. Signed-off-by: David Gibson <dwg@au1.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-03-17Merge ../linux-2.6Paul Mackerras
2006-03-16Merge git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc-mergeLinus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc-merge: powerpc: update defconfigs [PATCH] powerpc: properly configure DDR/P5IOC children devs [PATCH] powerpc: remove duplicate EXPORT_SYMBOLS [PATCH] powerpc: RTC memory corruption [PATCH] powerpc: enable NAP only on cpus who support it to avoid memory corruption [PATCH] powerpc: Clarify wording for CRASH_DUMP Kconfig option [PATCH] powerpc/64: enable CONFIG_BLK_DEV_SL82C105 [PATCH] powerpc: correct cacheflush loop in zImage powerpc: Fix problem with time going backwards powerpc: Disallow lparcfg being a module
2006-03-16powerpc: update defconfigsPaul Mackerras
Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-03-16[PATCH] powerpc: properly configure DDR/P5IOC children devsJohn Rose
The dynamic add path for PCI Host Bridges can fail to configure children adapters under P5IOC controllers. It fails to properly fixup bus/device resources, and it fails to properly enable EEH. Both of these steps need to occur before any children devices are enabled in pci_bus_add_devices(). Signed-off-by: John Rose <johnrose@austin.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-03-16[PATCH] powerpc: remove duplicate EXPORT_SYMBOLSOlaf Hering
remove warnings when building a 64bit kernel. smp_call_function triggers also with 32bit kernel. WARNING: vmlinux: duplicate symbol 'smp_call_function' previous definition was in vmlinux arch/powerpc/kernel/ppc_ksyms.c:164:EXPORT_SYMBOL(smp_call_function); arch/powerpc/kernel/smp.c:300:EXPORT_SYMBOL(smp_call_function); WARNING: vmlinux: duplicate symbol 'ioremap' previous definition was in vmlinux arch/powerpc/kernel/ppc_ksyms.c:113:EXPORT_SYMBOL(ioremap); arch/powerpc/mm/pgtable_64.c:321:EXPORT_SYMBOL(ioremap); WARNING: vmlinux: duplicate symbol '__ioremap' previous definition was in vmlinux arch/powerpc/kernel/ppc_ksyms.c:117:EXPORT_SYMBOL(__ioremap); arch/powerpc/mm/pgtable_64.c:322:EXPORT_SYMBOL(__ioremap); WARNING: vmlinux: duplicate symbol 'iounmap' previous definition was in vmlinux arch/powerpc/kernel/ppc_ksyms.c:118:EXPORT_SYMBOL(iounmap); arch/powerpc/mm/pgtable_64.c:323:EXPORT_SYMBOL(iounmap); Signed-off-by: Olaf Hering <olh@suse.de> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-03-16[PATCH] powerpc: RTC memory corruptionMichael Neuling
We should be memset'ing the data we are pointing to, not the pointer itself. This is in an error path so we probably don't hit it much. Signed-off-by: Michael Neuling <mikey@neuling.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-03-16[PATCH] powerpc: enable NAP only on cpus who support it to avoid memory ↵Benjamin Herrenschmidt
corruption This patch fixes incorrect setting of powersave_nap to 1 on all PowerMacs, potentially causing memory corruption on some models. This bug was introuced by me during the 32/64 bits merge. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-03-16[PATCH] powerpc: Clarify wording for CRASH_DUMP Kconfig optionMichael Ellerman
The wording of the CRASH_DUMP Kconfig option is not very clear. It gives you a kernel that can be used _as_ the kdump kernel, not a kernel that can boot into a kdump kernel. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-03-16[PATCH] powerpc/64: enable CONFIG_BLK_DEV_SL82C105Olaf Hering
Enable the onboard IDE driver for p610, p615 and p630. They have the CD connected to this card. All other RS/6000 systems with this controller have no connectors and dont need this option. Signed-off-by: Olaf Hering <olh@suse.de> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-03-16[PATCH] powerpc: correct cacheflush loop in zImageOlaf Hering
Correct the loop for cacheflush. No idea where I copied the code from, but the original does not work correct. Maybe the flush is not needed. Signed-off-by: Olaf Hering <olh@suse.de> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-03-16powerpc: Fix problem with time going backwardsPaul Mackerras
The recent changes to keep gettimeofday in sync with xtime had the side effect that it was occasionally possible for the time reported by gettimeofday to go back by a microsecond. There were two reasons: (1) when we recalculated the offsets used by gettimeofday every 2^31 timebase ticks, we lost an accumulated fractional microsecond, and (2) because the update is done some time after the notional start of jiffy, if ntp is slowing the clock, it is possible to see time go backwards when the timebase factor gets reduced. This fixes it by (a) slowing the gettimeofday clock by about 1us in 2^31 timebase ticks (a factor of less than 1 in 3.7 million), and (b) adjusting the timebase offsets in the rare case that the gettimeofday result could possibly go backwards (i.e. when ntp is slowing the clock and the timer interrupt is late). In this case the adjustment will reduce to zero eventually because of (a). Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-03-15Merge master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds
* master.kernel.org:/home/rmk/linux-2.6-arm: [ARM] 3362/1: [cleanup] - duplicate decleration of mem_fclk_21285 [ARM] 3365/1: [cleanup] header for compat.c exported functions [ARM] 3364/1: [cleanup] warning fix - definitions for enable_hlt and disable_hlt [ARM] 3363/1: [cleanup] process.c - fix warnings [ARM] 3358/1: [S3C2410] add missing SPI DMA resources [ARM] 3357/1: enable frontlight on collie [ARM] Fix "thead" typo
2006-03-15[PATCH] Fix ext2 readdir f_pos re-validation logicAl Viro
This fixes not one, but _two_, silly (but admittedly hard to hit) bugs in the ext2 filesystem "readdir()" function. It also cleans up the code to avoid the unnecessary goto mess. The bugs were related to re-valiating the f_pos value after somebody had either done an "lseek()" on the directory to an invalid offset, or when the offset had become invalid due to a file being unlinked in the directory. The code would not only set the f_version too eagerly, it would also not update f_pos appropriately for when the offset fixup took place. When that happened, we'd occasionally subsequently fail the readdir() even when we shouldn't (no real harm done, but an ugly printk, and obviously you would end up not necessarily seeing all entries). Thanks to Masoud Sharbiani <masouds@google.com> who noticed the problem and had a test-case for it, and also fixed up a thinko in the first version of this patch. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Acked-by: Masoud Sharbiani <masouds@google.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-15[ARM] 3362/1: [cleanup] - duplicate decleration of mem_fclk_21285Ben Dooks
Patch from Ben Dooks arch/arm/kernel/setup.c declares mem_fclk_21285 when this is already declared in include/asm-arm/system.h Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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