- 13 Oct, 2008 36 commits
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Alan Cox authored
Introduce a kref to the tty structure and use it to protect the tty->signal tty references. For now we don't introduce it for anything else. Signed-off-by:
Alan Cox <alan@redhat.com> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Alan Cox authored
Add a new line discipline for "pulse per second" devices connected to a serial port. Signed-off-by:
Rodolfo Giometti <giometti@linux.it> Signed-off-by:
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Alan Cox authored
Not much in it yet but this will grow a lot Signed-off-by:
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Alan Cox authored
The two are basically independent chunks of code so lets split them up for readability and sanity. It also makes the API boundaries much clearer. Signed-off-by:
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Alan Cox authored
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Alan Cox authored
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:
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David Miller authored
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:
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Will Newton authored
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:
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Alan Cox authored
<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:
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Alan Cox authored
Fixes #10783 Signed-off-by:
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Jason Wessel authored
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:
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Andrew Morton authored
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Alan Cox authored
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:
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David Miller authored
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:
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Miloslav Trmac authored
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:
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Akinobu Mita authored
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:
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Jiri Slaby authored
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:
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Jiri Slaby authored
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Jiri Slaby authored
- 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:
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Jiri Slaby authored
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:
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Jiri Slaby authored
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:
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Jiri Slaby authored
readl/writel are not expected to accept iomap return value. Replace bogus mapping by standard ioremap. Signed-off-by:
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Scott Ashcroft authored
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:
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Sonic Zhang authored
Signed-off-by:
Sonic Zhang <sonic.zhang@analog.com> Signed-off-by:
Bryan Wu <cooloney@kernel.org> Signed-off-by:
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Graf Yang authored
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:
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Sonic Zhang authored
Disable irq and return immediately. Signed-off-by:
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Sonic Zhang authored
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Mike Frysinger authored
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:
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Mike Frysinger authored
Signed-off-by:
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Sonic Zhang authored
Signed-off-by:
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Mike Frysinger authored
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Alan Cox authored
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Adrian Bunk authored
This patch contains the scheduled removal of the obsolete SERIAL_COLDFIRE driver. Signed-off-by:
Adrian Bunk <bunk@kernel.org> Signed-off-by:
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Julia Lawall authored
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:
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Julia Lawall authored
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:
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David Howells authored
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:
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- 12 Oct, 2008 4 commits
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Randy Dunlap authored
Remove ending ':' from some of the Topic lines for consistency. Signed-off-by:
Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by:
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Randy Dunlap authored
Add F: definition since it is being used. Expand acronyms or add them so that users of MAINTAINERS file can find entries more easily. Correct driver spelling. Signed-off-by:
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Randy Dunlap authored
Sorted case-insensitive (sort -f). Groups that begin with ARM, INTEL, etc. not sorted. Signed-off-by:
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git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4Linus Torvalds authored
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: ext4: fix kconfig typo and extra whitespace ext4: fix build failure without procfs ext4: add an option to control error handling on file data jbd2: don't dirty original metadata buffer on abort ext4: add checks for errors from jbd2 jbd2: fix error handling for checkpoint io jbd2: abort when failed to log metadata buffers
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