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* [PARISC] Mention PA-RISC in NS87415 helpMatthew Wilcox2005-11-18
| | | | | | | | Mention PA-RISC in NS87415 help. PA-RISC [BCJ]xxx0 workstations come with NS87415 integrated for their CD-ROM drives. Signed-off-by: Matthew Wilcox <willy@parisc-linux.org> Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
* [PARISC] Make Serial MUX depend on a specific bus type.Matthew Wilcox2005-11-18
| | | | | | | Depend on GSC, not PARISC. Machines without GSC don't have a MUX. Signed-off-by: Matthew Wilcox <willy@parisc-linux.org> Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
* [PARISC] Fix compile warning caused by conflicting types of expand_upwards()Matthew Wilcox2005-11-18
| | | | | | | | Fix compile warning caused by conflicting types of expand_upwards. IA64 requires it to not be static inline, as it's used outside mm/mmap.c Signed-off-by: Matthew Wilcox <willy@parisc-linux.org> Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
* [PARISC] Make superio.c initialize before any driver needs itKyle McMartin2005-11-17
| | | | | | | | | Convert superio_init to use PCI_FIXUP_FINAL as ohci_pci being called before superio_probe really makes a mess. superio_init will then fail to register irq 20 (the "SuperIO" irq) and BUG() because ohci_pci has stolen it before superio_fixup_irq can be moved USB to irq 1. Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
* [PARISC] Always spinlock tlb flush operations to ensure preempt safetyMatthew Wilcox2005-11-17
| | | | | | | | | Since taking a spinlock disables preempt, and we need to spinlock tlb flush on SMP for N class, we might as well just spinlock on uniprocessor machines too. Signed-off-by: Matthew Wilcox <willy@parisc-linux.org> Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
* [PARISC] Remove unused variable in signal.cGrant Grundler2005-11-17
| | | | | | | Remove unused variable "struct siginfo si" in signal.c Signed-off-by: Grant Grundler <grundler@parisc-linux.org> Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
* [PARISC] remove drm compat ioctls handlersChristoph Hellwig2005-11-17
| | | | | | | | | Remove drm compat_ioctl handlers. The drm drivers have proper compat_ioctl methods these days. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Matthew Wilcox <willy@parisc-linux.org> Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
* [PARISC] move PA perf driver over to ->compat_ioctlChristoph Hellwig2005-11-17
| | | | | | | | Move PA perf driver over to ->compat_ioctl. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Randolph Chung <tausq@parisc-linux.org> Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
* [PARISC] Define port->timeout to fix a long msleep in mux.cRyan Bradetich2005-11-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This commit is in response to a bug reported by Vesa on the irc channel a couple of weeks ago. The bug was that the console would apparently hang (not return) while using the mux console. The root cause of this bug is that bash (with readline support) makes a call to the tcsetattr() glibc function with the argument TCSADRAIN. This causes the serial core in the kernel use the uart_wait_until_sent() to be called. This function verifies the mux transmit queue is empty or calls the msleep_interruptable() with a calculated timeout value that is dependant upon the port->timeout variable. The real problem here is that the port->timeout was not defined so it was defaulted to 0 and the timeout calculation performs the following calculation: char_time = (port->timeout - HZ/50) / port->fifosize; where char_time is an unsigned long. Since the serial Mux does not use interrupts, the msleep_interruptable() function waits until the timeout has been reached ... and when the port->timeout < HZ/50 this timeout will be a long time. (I have validated that the console will eventually return ... but it takes quite a while for this to happen). This patch simply sets the port->timeout on the Mux to HZ/50 to avoid this long timeout period. Signed-off-by: Ryan Bradetich <rbrad@parisc-linux.org> Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
* [PARISC] Fix some compile problems in ptrace.cMatthew Wilcox2005-11-17
| | | | | | | | | Fix some compile problems: - ret wasn't being initialised in all code paths - I'm pretty sure 'goto out' should have been 'goto out_tsk' Signed-off-by: Matthew Wilcox <willy@parisc-linux.org> Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
* [PARISC] Compile fixups for serial/mux.cRyan Bradetich2005-11-17
| | | | | | | | | This patch does the following: * Fixes compiler warnings. * Replaces a __raw_readl call with the existing macro. Signed-off-by: Ryan Bradetich <rbrad@parisc-linux.org> Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
* [PARISC] Fix our spinlock implementationJames Bottomley2005-11-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | We actually have two separate bad bugs 1. The read_lock implementation spins with disabled interrupts. This is completely wrong 2. Our spin_lock_irqsave should check to see if interrupts were enabled before the call and re-enable interrupts around the inner spin loop. The problem is that if we spin with interrupts off, we can't receive IPIs. This has resulted in a bug where SMP machines suddenly spit smp_call_function timeout messages and hang. The scenario I've caught is CPU0 does a flush_tlb_all holding the vmlist_lock for write. CPU1 tries a cat of /proc/meminfo which tries to acquire vmlist_lock for read CPU1 is now spinning with interrupts disabled CPU0 tries to execute a smp_call_function to flush the local tlb caches This is now a deadlock because CPU1 is spinning with interrupts disabled and can never receive the IPI Signed-off-by: James Bottomley <jejb@parisc-linux.org> Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
* [PARISC] Improve the error message when we get a clashing mod pathMatthew Wilcox2005-11-17
| | | | | | | | Improve the error message when we get a clashing mod path, and actually display the IODC data and path for the conflicting device. Signed-off-by: Matthew Wilcox <willy@parisc-linux.org> Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
* [PARISC] Return PDC_OK when alloc_pa_dev fails to enumerate all devicesMatthew Wilcox2005-11-17
| | | | | | | | | | Return PDC_OK when device registration fails so that we enumerate all subsequent devices, even when we get two devices with the same hardware path (which should never happen, but does with at least one revision of rp8400 firmware). Signed-off-by: Matthew Wilcox <willy@parisc-linux.org> Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
* [PARISC] Document some register usages in assembly filesCarlos O'Donell2005-11-17
| | | | | | | | | | | Document clobbers and args in entry.S and syscall.S. entry.S: Add comment to indicate that cr27 may recycle and EDEADLOCK detection is not 100% correct. Since this is only enabled when using ENABLE_LWS_DEBUG, the user is warned by the comment. Signed-off-by: Carlos O'Donell <carlos@parisc-linux.org> Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
* [PARISC] Make redirecting irq messages less noisyRyan Bradetich2005-11-17
| | | | | | | | Make the "redirecting irq" message to not display on the console by setting the severity to KERN_DEBUG. The console was basically unusable. Signed-off-by: Ryan Bradetich <rbrad@parisc-linux.org> Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
* [PARISC] irq_affinityp[] only available for SMP buildsGrant Grundler2005-11-17
| | | | | | | | irq_affinityp[] only available for SMP builds, make code that uses it conditional on CONFIG_SMP. Signed-off-by: Grant Grundler <grundler@parisc-linux.org> Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
* [PARISC] Add IRQ affinitiesJames Bottomley2005-11-17
| | | | | | | | | | | | This really only adds them for the machines I can check SMP on, which is CPU interrupts and IOSAPIC (so not any of the GSC based machines). With this patch, irqbalanced can be used to maintain irq balancing. Unfortunately, irqbalanced is a bit x86 centric, so it doesn't do an incredibly good job, but it does work. Signed-off-by: James Bottomley <jejb@parisc-linux.org> Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
* [PARISC] Fix uniprocessor build by dummying smp_send_all_nop()Kyle McMartin2005-11-17
| | | | | | | | Since irq.c uses smp_send_all_nop, we must define it for UP builds as well. Make it a static inline so it gets optimized away. This forces irq.c to include <asm/smp.h> though. Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
* [PARISC] Fix our interrupts not to use smp_call_functionJames Bottomley2005-11-17
| | | | | | | | | | | | | Fix our interrupts not to use smp_call_function On K and D class smp, the generic code calls this under an irq spinlock, which causes the WARN_ON() message in smp_call_function() (and is also illegal because it could deadlock). The fix is to use a new scheme based on the IPI_NOP. Signed-off-by: James Bottomley <jejb@parisc-linux.org> Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
* [PARISC] Disable nesting of interruptsGrant Grundler2005-11-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Disable nesting of interrupts - still has holes The offending sequence starts out like this: 1) take external interrupt 2) set_eiem() to only allow TIMER_IRQ; local interrupts still disabled 3) read the EIRR to get a "list" of pending interrupts 4) clear EIRR of pending interrupts we intend to handle 5) call __do_IRQ() to handle IRQ. 6) handle_IRQ_event() enables local interrupts (I-Bit) 7) take a timer interrupt 8) read EIRR to get a new list of pending interrupts 9) clear EIRR of pending interrupts we just read 10) handle pending interrupts found in (8) 11) set_eiem(cpu_eiem) and return [ TROUBLE! all enabled CPU IRQs are unmasked. } 12) handle remaining interrupts pending from (3) e.g. call __do_IRQ() -> handle_IRQ_event()..etc [ TROUBLE! call to handle_IRQ_event() can now enable *any* IRQ. } 13) set_eiem(cpu_eiem) and return The problem is we now get into ugly race conditions with Timer and IPI interrupts at this point. I'm not exactly sure what happens when things go wrong (perhaps nest calls to IPI or timer interrupt?). But I'm certain it's not good. This sequence will break sooner if (10) would accidentally leave interrupts enabled. I'm pretty sure the right answer is now to make cpu_eiem a per CPU variable since all external interrupts on parisc are per CPU. This means we will NOT need to send an IPI to every CPU in the system when enabling or disabling an IRQ since only one CPU needs to change it's EIEM. Thanks to James Bottomley for (once again) pointing out the problem. Signed-off-by: Grant Grundler <grundler@parisc-linux.org> Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
* [PARISC] Make sure timer and IPI execute with interrupts disabledJames Bottomley2005-11-17
| | | | | | | | | | | | | | | | | | | | | | Fix a longstanding smp bug The problem is that both the timer and ipi interrupts are being called with interrupts enabled, which isn't what anyone is expecting. The IPI issue has just started to show up by causing a BUG_ON in the slab debugging code. The timer issue never shows up because there's an eiem work around in our irq.c The fix is to label both these as SA_INTERRUPT which causes the generic irq code not to enable interrupts. I also suspect the smp_call_function timeouts we're seeing might be connected with the fact that we disable IPIs when handling any other type of interrupt. I've put a WARN_ON in the code for executing smp_call_function() with IPIs disabled. Signed-off-by: James Bottomley <jejb@parisc-linux.org> Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
* [PATCH] VM: fix zone list restart in page allocatateJens Axboe2005-11-17
| | | | | | | | | We must reassign z before looping through the zones kicking kswapd, since it will be NULL if we hit an OOM condition and jump back to the beginning again. 'z' is initially assigned before the restart: label. So move the restart label up a little. Signed-off-by: Jens Axboe <axboe@suse.de>
* [PATCH] USB: add the anydata usb-serial driverGreg Kroah-Hartman2005-11-17
| | | | | Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] USB: delete the nokia_dku2 driverGreg Kroah-Hartman2005-11-17
| | | | | | | | It was causing too many problems, and this is not the proper type of driver for this device. Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] USB: move CONFIG_USB_DEBUG checks into the MakefileGreg Kroah-Hartman2005-11-17
| | | | | | | | | This lets us remove a lot of code in the drivers that were all checking the same thing. It also found some bugs in a few of the drivers, which has been fixed up. Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] USB: OHCI lh7a404 platform device conversion fixupRichard Purdie2005-11-17
| | | | | | | | | Fix an error in the OHCI lh7a404 driver after the platform device conversion. Signed-off-by: Richard Purdie <rpurdie@rpsys.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] USB: Maxtor OneTouch button support for older drivesAntti Andreimann2005-11-17
| | | | | | | | | | | This small patch adds a device ID used by older Maxtor OneTouch drives (the ones with blue face-plate instead of the fancy silver one used in newer models). The button on those drives works well with the current driver. From: Antti Andreimann <Antti.Andreimann@mail.ee> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] usb devio warning fixAndrew Morton2005-11-17
| | | | | | | | | drivers/usb/core/devio.c: In function `proc_ioctl_compat': drivers/usb/core/devio.c:1401: warning: passing arg 1 of `compat_ptr' makes integer from pointer without a cast Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] USB: fix race in kaweth disconnectHerbert Xu2005-11-17
| | | | | | | | | | this patch from Herbert Xu fixes a race by moving termination of the URBs into close() exclusively. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Oliver Neukum <oliver@neukum.name> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] usb-storage: Fix detection of kodak flash readers in shuttle_usbat ↵Daniel Drake2005-11-17
| | | | | | | | | | | | | | driver Peter Favrholdt reported that his Kodak flash device was getting detected as a CDROM, and he helped me track this down to the fact that the device takes a long time (approx 440ms!) to reset. This patch increases the delay to 500ms, which solves the problem. Signed-off-by: Daniel Drake <dsd@gentoo.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] USB: Adapt microtek driver to new scsi featuresOliver Neukum2005-11-17
| | | | | | | | | the scsi layer now uses very short sg lists. This breaks the microtek driver. Here is a patch fixes this and some other issues. Signed-off-by: Oliver Neukum <oliver@neukum.name> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] USB: pl2303: updates pl2303_update_line_status()Luiz Fernando Capitulino2005-11-17
| | | | | | | | Updates pl2303_update_line_status() to handle X75 and SX1 Siemens mobiles Signed-off-by: Luiz Capitulino <lcapitulino@mandriva.com.br> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] USB: pl2303: adds new IDs.Luiz Fernando Capitulino2005-11-17
| | | | | | | | This patch adds two new Siemens mobiles IDs for the pl2303 driver. Signed-off-by: Luiz Capitulino <lcapitulino@mandriva.com.br> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] USB: onetouch doesn't suspend yetDavid Brownell2005-11-17
| | | | | | | | | | The onetouch support doesn't suspend correctly (leaves an interrupt URB posted, instead of unlinking it) so for now just disable it when PM is in the air. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] USB: cp2101.c: Jablotron usb serial interface identificationJosef Balatka2005-11-17
| | | | | | | | Jablotron usb serial interface identification Signed-off-by: Josef Balatka <balatka@email.cz> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] USB: kill unneccessary usb-storage blacklist entriesPavel Machek2005-11-17
| | | | | | | | | I actually have this device, and kernel reports blacklist entry is no longer neccessary. Signed-off-by: Pavel Machek <pavel@suse.cz> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] USB: usbdevfs_ioctl 32bit fixAndrew Morton2005-11-17
| | | | | | | | | | | | drivers/usb/core/devio.c: In function `proc_ioctl_compat': drivers/usb/core/devio.c:1401: warning: passing arg 1 of `compat_ptr' makes integer from pointer without a cast NFI if this is correct... Cc: Pete Zaitcev <zaitcev@redhat.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] usbfs: usbfs_dir_inode_operations cleanupOGAWA Hirofumi2005-11-17
| | | | | | Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] USB: Delete leftovers from bluetty driverMarcel Holtmann2005-11-17
| | | | | | | | | | This patch deletes the bluetooth.txt help file of the bluetty driver and hands over its major device nodes for character devices to the RFCOMM TTY implementation of the Bluetooth subsystem. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] USB: fix 'unused variable' warningDmitry Torokhov2005-11-17
| | | | | | | | USB: fix 'unused variable' warning Signed-off-by: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] USB: wacom tablet driver updatePing Cheng2005-11-17
| | | | | | | | | This patch adds support for Graphire4, Cintiq 710, Intuos3 6x11, etc. and report Device IDs. Signed-off-by: Ping Cheng <pingc@wacom.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] USB: add new wacom devices to usb hid-core listPing Cheng2005-11-17
| | | | | | | | This patch adds support for Graphire4, Cintiq 710, Intuos3 6x11, etc. Signed-off-by: Ping Cheng <pingc@wacom.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] USB Serial: rename ChangeLog.oldGreg Kroah-Hartman2005-11-17
| | | | | | | | People are complaining about a .old file in the tree. So rename drivers/usb/serial/ChangeLog.old to ChangeLog.history. Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] USB: fix build breakage in dummy_hcd.cGreg Kroah-Hartman2005-11-17
| | | | | Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Fix IXP4xx I2C driver build breakageDeepak Saxena2005-11-17
| | | | | | | Platform device conversion missed a couple of spots. Signed-off-by: Deepak Saxena <dsaxena@plexity.net> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linusLinus Torvalds2005-11-17
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| * [MIPS] Update defconfigsRalf Baechle2005-11-17
| | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] SEAD: More build fixes.Ralf Baechle2005-11-17
| | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] TX3927: Try to glue the PCI code.Ralf Baechle2005-11-17
| | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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