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From: Christoph Hellwig <hch@lst.de>
All drivers that compile on ppc with CONFIG_ISA set (= all but
some m68-only drivers), I looked at the compile warnings very
closely and there are no new warnings or even errors this time :)
drivers/char/Makefile needed to be reordered big time to keep
the intialization order the same.
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drivers/char/serial167.c converted to dynamic allocation
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killed the last remnants of callout stuff - we don't need to mess with
storing termios privately anymore.
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->table[], ->termios[] and ->locked_termios[] allocated dynamically
in tty_register_driver() and freed in tty_unregister_driver(). Per-driver
arrays gone.
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->refcount switched from int * to int. Per-driver variables gone since we had
switched from int foo = 0; driver.refcount = &foo; to driver.refcount = 0;
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From: Christoph Hellwig <hch@lst.de>
Currently the tty code abuses tty_driver.name as the prefix for the devfs
names of the ttys. This is a very bad idea because it means the tty name
changes depending on whether devfs is enabled or not, leading to different
names in /proc/tty/ depending on whether we have devfs or not (and not
whether it actually is mounted!) and a huge amount of ifdefs.
The patch below adds a .devfs_name member instead, similar to the block
device changes a few weeks ago.
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callout removal: serial167
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M68k char drivers: Update to the new irq API (from Roman Zippel and me) [14/20]
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Console drivers cleanup. In current tree interaction between
console and tty layer sits in the ->device() method of struct console.
It takes a pointer to console and returns device number of its tty
device. open(2) on /dev/console goes through the list of registered
consoles, picks the first one that has ->device() and remaps the device
number to console->device(console). Then it proceeds with normal
opening of tty. This is the only caller of ->device().
Cleanup: let ->device() return a pair (pointer to tty_driver, index
of tty in question) instead of device number. Note that
a) the first thing tty_open() does with remapped device number is
conversion to such pair.
b) console driver _knows_ which tty_driver we want - one that
implements tty interface to the same physical device (i.e. the part of
the same driver).
c) current code expects the result of ->device() to be a device
number of tty device - anything else is immediate -ENODEV from tty_open();
might as well have NULL ->device in that driver.
Console drivers converted, (the only) caller updated.
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sanitized driver->driver_name initialization and use
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tty->tty_index added; we initialize it with minor(tty->device) -
tty->driver->minor_start. Majority of remaining tty->device uses had
that form and are switched to use of tty->index.
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new field - tty->tty_name;
initialized to <driver->name><tty index+driver->base_name>
when we allocate tty_struct. Drivers code switched to use of that
beast (in debugging printks, mostly). Large, but trivial.
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Instead of copying tty_driver into tty_struct we put a reference
in there. tty->driver turned into a pointer, users updated. Large, but
trivial
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Fix return type (must be int, not void) of *_console_init() after introduction
of console_initcall() in 2.5.x.
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Dave Woodhouse did this a while ago and its been kicking around in my
tree just fine. This gets rid of a lot of the init lists of functions
still left in the kernel by having an __init type array built up for the
consoles as well
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Convert m68k char drivers to new local_irq*() framework:
- Amiga builtin serial
- Amiga A2232 multiserial
- MVME167 serial
- MVME147/162 and BVME6000 SCC
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This used to be a macro wrapper around get_zeroed_page().
It was a dreadful choice of name, because it hid the fact that this
function memsets the page. Probably, lots of the callers didn't
actually want to do that but this patch does not make such
optimisations.
At least now, people may spot a `get_zeroed_page' in there and realise
that the page doesn't actually need to be initialised.
The patch also changes get_zeroed_page() to go BUG if called with
__GFP_HIGHMEM. It returns the address of the page's memory and hence
can only be used for direct-mapped pages (wli).
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MVME serial driver updates (from 2.4.x)
- Add missing save of interrupt state
- _tty_name() got renamed to tty_name()
- Add devfs support
- Simplify baud logic
- Add missing MOD_DEC_USE_COUNT
- Add missing cli()
- block_til_ready() got renamed to gs_block_til_ready()
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- Atari joystick device number updates
- Atari ACSI hard disk driver device updates
- Atari floppy driver device updates
- MVME147 serial driver dev_t update
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Fix miscellaneous compilation warnings and errors
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Trivial patch to change some instances of suser() and fsuser() to
proper capable() checks.
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- Russell King: large ARM update
- Adam Richter et al: more kdev_t updates
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- Jens Axboe: more bio updates, fix some request list bogosity under load
- Al Viro: export seq_xxx functions
- Manfred Spraul: include file cleanups, pc110pad compile fix
- David Woodhouse: fix JFFS2 write error handling
- Dave Jones: start merging up with 2.4.x patches
- Manfred Spraul: coredump fixes, FS event counter cleanups
- me: fix SCSI CD-ROM sectorsize BIO breakage
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- Al Viro: task-private namespaces, more cleanups
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- Alan Cox: continued merging
- Mingming Cao: make msgrcv/shmat check the queue/segment ID's properly
- Greg KH: USB serial init failure fix, Xircom serial converter driver
- Neil Brown: nsfd/raid/md/lockd cleanups
- Ingo Molnar: multipath RAID personality, raid xor update
- Hugh Dickins/Marcelo Tosatti: swapin read-ahead race fix
- Vojtech Pavlik: fix up some of the infrastructure for x86-64
- Robert Love: AMD 761 AGP GART support
- Jens Axboe: fix SCSI-generic queue handling race
- me: be sane about page reference bits
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- Greg KH: start migration to new "min()/max()"
- Roman Zippel: move affs over to "min()/max()".
- Vojtech Pavlik: VIA update (make sure not to IRQ-unmask a vt82c576)
- Jan Kara: quota bug-fix (don't decrement quota for non-counted inode)
- Anton Altaparmakov: more NTFS updates
- Al Viro: make nosuid/noexec/nodev be per-mount flags, not per-filesystem
- Alan Cox: merge input/joystick layer differences, driver and alpha merge
- Keith Owens: scsi Makefile cleanup
- Trond Myklebust: fix oopsable race in locking code
- Jean Tourrilhes: IrDA update
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- Al Viro: sanity-check user arguments, zero-terminated strings etc.
- Urban Widmark: smbfs update (server/client cache coherency etc)
- Rik van Riel, Marcelo Tosatti: VM updates
- Cort Dougan: PPC updates
- Neil Brown: raid1/5 failed drive fixups, NULL ptr checking, md error cleanup
- Neil Brown: knfsd fix for 64-bit architectures, and filehandle resolveir
- Ken Brownfield: workaround for menuconfig CPU selection glitch
- David Miller: sparc64 MM setup fix, arpfilter forward port
- Keith Owens: Remove obsolete IPv6 provider based addressing
- Jari Ruusu: block_write error case cleanup fix
- Jeff Garzik: netdriver update
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