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2008-10-13uml: small cleanups and note bugs to be dealt with by uml authors...Alan Cox
Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-13tty: move tioclinux from a special caseAlan Cox
Right now we have ifdefs and hooks in the core ioctl handler for TIOCLINUX and then test if its a console. This is brain dead. Instead call the tioclinux helper from the relevant driver ioctl methods. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-13serial: allow 8250 to be used on sparcDavid Miller
This requires three changes: 1) Remove !SPARC restriction in Kconfig. 2) Move Sparc specific serial drivers before 8250, so that serial console devices don't change names on us, even if 8250 finds devices. 3) Since the Sparc specific serial drivers try to use the same major/minor device namespace as 8250, some coordination is necessary. Use the sunserial_*() layer routines to allocate minor number space within TTY_MAJOR when CONFIG_SPARC. This has no effect on other platforms. Thanks to Josip Rodin for bringing up this issue and testing plus debugging various revisions of this patch. Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-138250: remove a few inlines of dubious valueWill Newton
Remove some inlines from various functions that are called once, are too big to inline, or are called only from slow path code. This saves around 300 bytes of code for me. Signed-off-by: Will Newton <will.newton@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-13serial_8250: pci_enable_device fail is not fully handledAlan Cox
<rmk> talking about leaks - I noticed that the 'check return of pci_enable_dev()' in the 8250 pci resume function finally made it in despite my objections against it (causing stuff in higher levels to leak). Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-13ftdi: A few errors are err() that should be debug which causes much spewageAlan Cox
Fixes #10783 Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-13usb: fix pl2303 initializationJason Wessel
This patch removes the private check for the termios_initialized for the pl2303 usb driver. It forced the baud to 9600 on the first call to pl2303_set_termios() Based on the tty changes in the 2.6.27 kernel, the termios passed to the *_set_termios functions is always populated the first time. This means there is no need to privately initialize the settings the first time, and doing so will not allow the use of the kernel parameter "console=ttyUSB0,115200" as an example. Signed-off-by: Jason Wessel <jason.wessel@windriver.com> Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-13serial-make-uart_ports-ioport-unsigned-long-fixAndrew Morton
Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-13nozomi: Fix close on errorAlan Cox
Nozomi assumes the close method isn't called if open errors. The tty layer is different to other drives in this respect however. Pointed out by Denis J Barrow. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-13serial: Make uart_port's ioport "unsigned long".David Miller
Otherwise the top 32-bits of the resource value get chopped off on 64-bit systems, and the resulting I/O accesses go to random places. Thanks to testing and debugging by Josip Rodin, which helped track this down. Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-13audit: Handle embedded NUL in TTY input auditingMiloslav Trmac
Data read from a TTY can contain an embedded NUL byte (e.g. after pressing Ctrl-2, or sent to a PTY). After the previous patch, the data would be logged only up to the first NUL. This patch modifies the AUDIT_TTY record to always use the hexadecimal format, which does not terminate at the first NUL byte. The vast majority of recorded TTY input data will contain either ' ' or '\n', so the hexadecimal format would have been used anyway. Signed-off-by: Miloslav Trmac <mitr@redhat.com> Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-13ip2: avoid add_timer with pending timerAkinobu Mita
add_timer() is not supposed to be called when the timer is pending. ip2 driver attempts to avoid that condition by setting and resetting a flag (TimerOn) in timer function. But there is some gap between add_timer() and setting TimerOn. This patch fix this problem by using mod_timer() and remove TimerOn which has been unnecessary by this change. Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-13ip2: init/deinit cleanupJiri Slaby
Cleanup of module_init/exit: - mostly whitespace - remove empty functions - replace c++ comments - remove useless prints (module loaded, unloaded) - mark the calls as __exit and __init - use break; and return; to save some indent levels after it - note resource leakage It's still mess, but now it's readable. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-13ip2: fix sparse warningsJiri Slaby
Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-13ip2: cleanup globalsJiri Slaby
- do not init .bss zeroed data to zero again (by memset or explicit assignment) - use char [] instead of char * for string constants Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-13Char: merge ip2main and ip2baseJiri Slaby
It's pretty useless to have one setup() function separated along with module_init() which only calls a function from ip2main anyway. Get rid of ip2base. Remove also checks of always-true now. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-13Char: sx, fix io unmappingJiri Slaby
board->base is increased for CF cards after mapping. Use board->base2 for unmapping the region, since it holds the original/correct address. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-13Char: cyclades. remove bogus iomapJiri Slaby
readl/writel are not expected to accept iomap return value. Replace bogus mapping by standard ioremap. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-13Fix oti6858 debug levelScott Ashcroft
For some reason the oti6858 driver undefines and redefines the dbg macro. This makes it spew debugging messages at KERN_INFO instead of KERN_DEBUG. This patch removes the undef and define making the driver log like every other USB serial driver. Signed-off-by: Scott Ashcroft <scott.ashcroft@talk21.com> Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-13Blackfin Serial Driver: Fix bug - request UART2/3 peripheral mapped ↵Sonic Zhang
interrupts in PIO mode Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org> Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-13Blackfin Serial Driver: Fix bug - ircp fails on sir over Blackfin UARTGraf Yang
We now use the sir_dev/irtty_sir/uart/bfin_serial drivers framework to monitor the TX status. Signed-off-by: Graf Yang <graf.yang@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org> Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-13Blackfin Serial Driver: Fix bug - Don't call tx_stop in tx_transfer.Sonic Zhang
Disable irq and return immediately. Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org> Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-13Blackfin Serial Driver: Remove useless stopSonic Zhang
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org> Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-13Blackfin Serial Driver: move common variables out of serial headers and into ↵Mike Frysinger
the serial driver move common variables out of serial headers and into the serial driver and rename "nr_ports" to "nr_active_ports" so as to easily differentiate between BFIN_UART_NR_PORTS (the # of available) and nr_ports (the # of enabled) Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org> Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-13Blackfin Serial Driver: trim trailing whitespace -- no functional changesMike Frysinger
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org> Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-13Blackfin Serial Driver: Fix bug - should suspend/resume/remove all uart ports.Sonic Zhang
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org> Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-13Blackfin Serial Driver: use __initdata for data, not __initMike Frysinger
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org> Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-13epca: call tty_port_initAlan Cox
Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-13coldfire: scheduled SERIAL_COLDFIRE removalAdrian Bunk
This patch contains the scheduled removal of the obsolete SERIAL_COLDFIRE driver. Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-13drivers/char/hvc_console.c: adjust call to put_tty_driverJulia Lawall
The call to put_tty_driver is out of place and is applied to the wrong argument. The function enclosing the patched code calls alloc_tty_driver and stores the result in drv. Subsequently, there are two occurrences of error handling code, one making a goto to put_tty and one making a goto to stop_thread. At the point of the first one the assignment hvc_driver = drv has not yet been executed, and from inspecting the rest of the file it seems that hvc_driver would be NULL. Thus the current call to put_tty_driver is useless, and one applied to drv is needed. The goto stop_thread is in the error handling code for a call to tty_register_driver, but the error cases in tty_register_driver do not free its argument, so it should be done here. Thus, I have moved the put_tty label after the stop_thread label, so that put_tty_driver is called in both cases. The semantic match that finds this problem is as follows: (http://www.emn.fr/x-info/coccinelle/) // <smpl> @r exists@ local idexpression x; expression E,f; position p1,p2,p3; identifier l; statement S; @@ x = alloc_tty_driver@p1(...) ... if (x == NULL) S ... when != E = x when != put_tty_driver(x) goto@p2 l; ... when != E = x when != f(...,x,...) when any ( return \(0\|x\); | return@p3 ...; ) @script:python@ p1 << r.p1; p2 << r.p2; p3 << r.p3; @@ print "%s: call on line %s not freed or saved before return on line %s via line %s" % (p1[0].file,p1[0].line,p3[0].line,p2[0].line) // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-13drivers/serial/crisv10.c: add missing put_tty_driverJulia Lawall
alloc_tty_driver is called at the beginning of the function containing the lines of code shown in the patch. Thus, put_tty_driver is needed before returning in the error handling code. The semantic match that finds this problem is as follows: (http://www.emn.fr/x-info/coccinelle/) // <smpl> @nr exists@ local idexpression x; expression E,f; position p1,p2,p3; identifier l; statement S; @@ x = alloc_tty_driver@p1(...) ... if (x == NULL) S ... when != E = x when != put_tty_driver(x) when != goto l; ( return \(0\|x\); | return@p3 ...; ) @script:python@ p1 << nr.p1; p3 << nr.p3; @@ print "%s: call on line %s not freed or saved before return on line %s" % (p1[0].file,p1[0].line,p3[0].line) // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-13MN10300: MEI are renaming themselves to PanasonicDavid Howells
MEI are renaming themselves to Panasonic, so update the MAINTAINERS record for the MN10300 arch. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-13Merge branches 'oprofile-v2' and 'timers/hpet' into x86/core-v4Ingo Molnar
2008-10-13Merge branch 'linus' into oprofile-v2Ingo Molnar
Conflicts: arch/x86/kernel/apic_32.c arch/x86/oprofile/nmi_int.c include/linux/pci_ids.h
2008-10-13x86: change early_ioremap to use slots instead of nestingYinghai Lu
so we could remove the requirement that one needs to call early_iounmap() in exactly reverse order of early_ioremap(). Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-10-13x86: adjust dependencies for CONFIG_X86_CMOVJan Beulich
Signed-off-by: Jan Beulich <jbeulich@novell.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-10-13dumpstack: x86: various small unification steps, fixAlexander van Heukelum
After "dumpstack: x86: various small unification steps", the assembler gives the following compile error. The error is in dumpstack_64.c. {standard input}: Assembler messages: {standard input}:720: Error: Incorrect register `%rbx' used with `l' suffix {standard input}:1340: Error: Incorrect register `%r12' used with `l' suffix Indeed the suffix in get_bp() was wrong. Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-10-13x86: remove additional_cpusThomas Gleixner
remove remainder of additional_cpus logic. We now just listen to the disabled_cpus value like we did for years. disabled_cpus is always >= 0 so no need for an extra check. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-10-13x86: remove additional_cpus configurabilityIngo Molnar
additional_cpus=<x> parameter is dangerous and broken: for example if we boot additional_cpus=-2 on a stock dual-core system it will crash the box on bootup. So reduce the maze of code a bit by removingthe user-configurability angle. Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-10-13x86: improve UP kernel when CPU-hotplug and SMP is enabledThomas Gleixner
num_possible_cpus() can be > 1 when disabled CPUs have been accounted. Disabled CPUs are not in the cpu_present_map, so we can use num_present_cpus() as a safe indicator to switch to UP alternatives. Reported-by: Chuck Ebbert <cebbert@redhat.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: <stable@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-10-13dumpstack: x86: various small unification stepsAlexander van Heukelum
- define STACKSLOTS_PER_LINE and use it - define get_bp macro to hide the %%ebp/%%rbp difference - i386: check task==NULL in dump_trace, like x86_64 - i386: show_trace(NULL, ...) uses current automatically - x86_64: use [#%d] for die_counter, like i386 - whitespace and comments Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-10-13dumpstack: i386: make kstack= an early boot-param and add oops=panicAlexander van Heukelum
- make kstack= and early_param - add oops=panic, setting panic_on_oops Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-10-13dumpstack: x86: use log_lvl and unify trace formattingAlexander van Heukelum
- x86: Write log_lvl strings if available - start raw stack dumps on new line - i386: Remove extra indentation for raw stack dumps Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-10-13dumptrace: x86: consistently include loglevel, print stack switchAlexander van Heukelum
- i386 and x86_64: always printk the 'data' parameter - i386: announce stack switch (irq -> normal) - i386: check if there is a stack switch before announcing it There is a warning that 'context' might come out corrupt in early boot. If this is true it should be fixed, not worked around. Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-10-13dumpstack: x86: add "end" parameter to valid_stack_ptr and print_context_stackAlexander van Heukelum
- Add "end" parameter to valid_stack_ptr and print_context_stack - use sizeof(long) as the size of a word on the stack Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-10-13dumpstack: x86: make printk_address equalAlexander van Heukelum
- x86_64: use %p to print an address - make i386-version the same as the above The result should be the same on x86_64; on i386 the output only changes if CONFIG_KALLSYMS is turned off, in which case the address is printed twice. Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-10-13dumpstack: x86: move die_nmi to dumpstack_32.cAlexander van Heukelum
For some reason die_nmi is still defined in traps.c for i386, but is found in dumpstack_64.c for x86_64. Move it to dumpstack_32.c Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-10-13traps: x86: finalize unification of traps.cAlexander van Heukelum
traps_32.c and traps_64.c are now equal. Move one to traps.c, delete the other one and change the Makefile Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-10-13traps: x86: make traps_32.c and traps_64.c equalAlexander van Heukelum
Use CONFIG_X86_64/CONFIG_X86_32 to condtionally compile the parts needed for x86_64 or i386 only. Runs a small userspace for a number of minimal configurations and boots the defconfigs. Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-10-13traps: x86: various noop-changes preparing for unification of traps_xx.cAlexander van Heukelum
- reordering include files - whitespace changes - comment changes - removed unused bad_intr() - make default_do_nmi static Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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