| Commit message (Collapse) | Author | Age | Files | Lines |
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Some Atari hardware has no capacity to raise interrupts (e.g.
network or USB adapter hardware attached via ROM port). The driver
interrupt routine is called from a timer interrupt (timer D) in
these cases, using chained device specific pseudo interrupts
(IRQ_MFP_TIMER1 ff.)
These interrupts will more often than not, return IRQ_NONE as
there is not always work for the device handler when called.
Too many unhandled interrupts will result in the interrupt
being disabled by the stuck interrupt watchdog.
As preferred option to flag interrupts as needing exclusion
from the watchdog mechanism, tglx added the IRQ_IS_POLLED flag
for use in such a case. Currently, two interrupts need to use
this flag. Add more users as needed.
Signed-off-by: Michael Schmitz <schmitz@debian.org>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
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Since commit d6713b4091a99fa2af2fabdcd2f3fb97f32ecf2e ("m68k: early
parameter support"), the user can specify multiple debug consoles using the
"debug=" kernel command line parameter.
However, as there's only a single struct console object, which is reused,
it would actually register the same console object multiple times, causing
the following warning:
WARNING: CPU: 0 PID: 0 at kernel/printk/printk.c:2233 register_console+0x36/
console 'debug0' already registered
Make sure to register the console object only once, to avoid the warning.
Note that still only one console (the one corresponding to the last
"debug=" parameter) will be active at the same time, as the .write() method
of the already registered console object is overwritten by a subsequent
"debug=" parameter.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
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Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
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Export the bootinfo definitions that are used by bootstrap loaders, and
split them up in generic and platform-specific parts.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
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Add platform devices used by the isp116x-hcd driver for EtherNAT and
NetUSBee. Note that the NetUSBee also contains a RTL8019 Ethernet chip,
so its platform device is used to cover the EtherNEC case, too.
Register definitions thanks to David Galvez <dgalvez75@gmail.com>
[Geert] Conditionalize isp1160_delay() definition
Signed-off-by: Michael Schmitz <schmitz@debian.org>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
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Add a dedicated interrupt chip definition for the EtherNAT CPLD interrupts.
SMC91C111 and ISP1160 chips have separate interrupts that can be enabled
and disabled in a CPLD register at offset 0x23 from the card base.
Note the CPLD interrupt control register is mapped on demand, whenever any
interrupt enable/disable action is requested. The EtherNAT USB driver still
needs interrupts disabled around reset and start actions.
In particular, we cannot entirely rely on the irq_startup being called
first.
The smc91x and isp116x-hcd drivers will use this feature.
Signed-off-by: Michael Schmitz <schmitz@debian.org>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
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Add platform device for the Atari ROM port ethernet adapter, EtherNEC.
This platform device will be used by the ne.c driver.
[Geert] Conditionalize platform device data structures
Signed-off-by: Michael Schmitz <schmitz@debian.org>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
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Add platform device and interrupt definitions necessary for the EtherNAT
Ethernet/USB adapter for the Falcon extension port. EtherNAT interrupt
numbers are 139/140 so the max. interrupt number for Atari has to be
increased.
[Geert] Conditionalize platform device data structures
Signed-off-by: Michael Schmitz <schmitz@debian.org>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
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Add a special irq_chip for the Atari MFP timer D interrupt,
which is used as a polling timer for EtherNEC and NetUSBee
Signed-off-by: Michael Schmitz <schmitz@debian.org>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
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remove m68k's mach_gettimeoffset function pointer, and instead directly
set the arch_gettimeoffset function pointer. This requires multiplying
all function results by 1000, since the removed m68k_gettimeoffset() did
this. Also, s/unsigned long/u32/ just to make the function prototypes
exactly match that of arch_gettimeoffset.
Cc: Joshua Thompson <funaho@jurai.org>
Cc: Sam Creasey <sammy@sammy.net>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Phil Blundell <philb@gnu.org>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
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Device interrupts numbers were changed to unsigned int in 1997, the year
IRQ_MACHSPEC was killed as well.
Also kill a related cast while we're at it.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: netdev@vger.kernel.org
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Disintegrate asm/system.h for M68K.
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Greg Ungerer <gerg@uclinux.org>
cc: linux-m68k@lists.linux-m68k.org
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Passing the address of a variable as an operand to an asm statement
doesn't mark the value of this variable as used, so gcc may optimize its
initialisation away. Fix this by using the "m" constraint instead.
Signed-off-by: Andreas Schwab <schwab@linux-m68k.org>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: stable@vger.kernel.org
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Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
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It was used on Apollo only, before its conversion to genirq.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
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This code was obsoleted during the irq restructuring in 2006.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
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This is a wrapper around m68k_setup_irq_chip() that discards its dummy
second parameter, to ease the future transition to genirq.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
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Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
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Make it more similar to the genirq version:
- Remove lock (unused as we don't do SMP anyway),
- Prepend methods with irq_,
- Make irq_startup() return unsigned int.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
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Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
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Based on an original patch from Michael Schmitz:
Because mem_init() is now called before device init, devices that rely on
ST-RAM may find all ST-RAM already allocated to other users by the time
device init happens. In particular, a large initrd RAM disk may use up
enough of ST-RAM to cause atari_stram_alloc() to resort to
__get_dma_pages() allocation.
In the current state of Atari memory management, all of RAM is marked
DMA capable, so __get_dma_pages() may well return RAM that is not in actual
fact DMA capable. Using this for frame buffer or SCSI DMA buffer causes
subtle failure.
The ST-RAM allocator has been changed to allocate memory from a pool of
reserved ST-RAM of configurable size, set aside on ST-RAM init (i.e.
before mem_init()). As long as this pool is not exhausted, allocation of
real ST-RAM can be guaranteed.
Other changes:
- Replace the custom allocator in the ST-RAM pool by the existing allocator
in the resource subsystem,
- Remove mem_init_done and its hook, as memory init is now done before
device init,
- Remove /proc/stram, as ST-RAM usage now shows up under /proc/iomem, e.g.
005f2000-006f1fff : ST-RAM Pool
005f2000-0063dfff : atafb
0063e000-00641fff : ataflop
00642000-00642fff : SCSI
Signed-off-by: Michael Schmitz <schmitz@debian.org>
[Andreas Schwab <schwab@linux-m68k.org>: Use memparse()]
[Geert: Use the resource subsystem instead of a custom allocator]
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
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The Atari keyboard driver calls atari_mouse_interrupt_hook if it's set, not
atari_input_mouse_interrupt_hook. Fix below.
[geert] Killed off atari_mouse_interrupt_hook completely, after fixing another
incorrect assignment in atarimouse.c.
Signed-off-by: Michael Schmitz <schmitz@debian.org>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
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It may trigger a warning in fs/proc/generic.c:__xlate_proc_name() when
trying to add an entry for the interrupt handler to sysfs.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
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Fixes generated by 'codespell' and manually reviewed.
Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
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It's a way too generic name for a global #define and conflicts with a variable
with the same name, causing build errors like:
| drivers/staging/brcm80211/brcmfmac/../util/siutils.c: In function ‘_si_clkctl_cc’:
| drivers/staging/brcm80211/brcmfmac/../util/siutils.c:1364: error: expected identifier or ‘(’ before ‘volatile’
| drivers/staging/brcm80211/brcmfmac/../util/siutils.c:1364: error: expected ‘)’ before ‘(’ token
| drivers/staging/brcm80211/brcmfmac/../util/siutils.c:1421: error: incompatible types in assignment
| drivers/staging/brcm80211/brcmfmac/../util/siutils.c:1422: error: invalid operands to binary &
| drivers/staging/brcm80211/brcmfmac/../util/siutils.c:1423: error: invalid operands to binary &
| drivers/staging/brcm80211/brcmfmac/../util/siutils.c:1424: error: invalid operands to binary |
| drivers/staging/brcm80211/brcmfmac/../util/siutils.c:1425: error: aggregate value used where an integer was expected
| drivers/staging/brcm80211/brcmfmac/../util/siutils.c:1425: error: aggregate value used where an integer was expected
| drivers/staging/brcm80211/brcmfmac/../util/siutils.c:1425: error: aggregate value used where an integer was expected
| drivers/staging/brcm80211/brcmfmac/../util/siutils.c:1425: error: aggregate value used where an integer was expected
| drivers/staging/brcm80211/brcmfmac/../util/siutils.c:1425: error: aggregate value used where an integer was expected
| drivers/staging/brcm80211/brcmfmac/../util/siutils.c:1425: error: aggregate value used where an integer was expected
| drivers/staging/brcm80211/brcmfmac/../util/siutils.c:1425: error: aggregate value used where an integer was expected
| drivers/staging/brcm80211/brcmfmac/../util/siutils.c:1425: error: aggregate value used where an integer was expected
| drivers/staging/brcm80211/brcmfmac/../util/siutils.c:1425: error: aggregate value used where an integer was expected
| drivers/staging/brcm80211/brcmfmac/../util/siutils.c:1425: error: aggregate value used where an integer was expected
| drivers/staging/brcm80211/brcmfmac/../util/siutils.c:1425: error: aggregate value used where an integer was expected
| drivers/staging/brcm80211/brcmfmac/../util/siutils.c:1425: error: incompatible type for argument 4 of ‘bcmsdh_reg_write’
| drivers/staging/brcm80211/brcmfmac/../util/siutils.c:1428: error: invalid operands to binary &
| make[8]: *** [drivers/staging/brcm80211/brcmfmac/../util/siutils.o] Error 1
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
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In particular, several occurances of funny versions of 'success',
'unknown', 'therefore', 'acknowledge', 'argument', 'achieve', 'address',
'beginning', 'desirable', 'separate' and 'necessary' are fixed.
Signed-off-by: Daniel Mack <daniel@caiaq.de>
Cc: Joe Perches <joe@perches.com>
Cc: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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http://kisskb.ellerman.id.au/kisskb/buildresult/72115/:
| net/mac80211/ieee80211_i.h:327: error: syntax error before 'volatile'
| net/mac80211/ieee80211_i.h:350: error: syntax error before '}' token
| net/mac80211/ieee80211_i.h:455: error: field 'sta' has incomplete type
| distcc[19430] ERROR: compile net/mac80211/main.c on sprygo/32 failed
This is caused by
| # define mfp ((*(volatile struct MFP*)MFP_BAS))
in arch/m68k/include/asm/atarihw.h, which conflicts with the new "mfp" enum in
net/mac80211/ieee80211_i.h.
Rename "mfp" to "st_mfp", as it's a way too generic name for a global #define.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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warning: ignoring return value of 'request_irq', declared with attribute
warn_unused_result
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
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- Replace external declarations by proper includes where availiable.
The accesses to some symbols had to be modified, as before they were
declared using e.g. "extern int _end", while asm-generic/sections.h uses
e.g. "extern char _end[]"
- Remove unused or superfluous external declarations
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
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Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
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Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
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This patch removes the Hades support that was marked as BROKEN 5 years ago.
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The nvram and rtc-cmos drivers use the spinlock rtc_lock to protect against
concurrent accesses to the CMOS memory. As m68k doesn't support SMP or preempt
yet, the spinlock calls tend to get optimized away, but not for all
configurations, causing in some rare cases:
| ERROR: "rtc_lock" [drivers/rtc/rtc-cmos.ko] undefined!
| ERROR: "rtc_lock" [drivers/char/nvram.ko] undefined!
Add the spinlock to the Atari core code to avoid this.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Michael Schmitz <schmitz@debian.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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If CONFIG_VT=n, I get:
| arch/m68k/atari/built-in.o: In function `atari_kbd_translate':
| arch/m68k/atari/atakeyb.c:640: undefined reference to `shift_state'
Just remove atari_kbd_translate(), as it's unused.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Michael Schmitz <schmitz@debian.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This patch changes m68k to use the new bcd2bin/bin2bcd functions instead
of the obsolete BCD_TO_BIN/BIN_TO_BCD/BCD2BIN/BIN2BCD macros.
It also remove local bcd2bin/bin2bcd implementations
in favor of the global ones.
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Fix operator precedence bug in atari_keyb_init, which caused a failure on CT60
Signed-off-by: Michael Schmitz <schmitz@debian.org>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This patch contains the following possible cleanups:
- make the following needlessly global functions (always) static:
- atari_mfp_console_write()
- atari_scc_console_write()
- atari_midi_console_write()
- atari_init_mfp_port()
- atari_init_scc_port()
- atari_init_midi_port()
- #if 0 the following unused functions:
- atari_mfp_console_wait_key()
- atari_scc_console_wait_key()
- atari_midi_console_wait_key()
- remove the following unused variables:
- atari_MFP_init_done
- atari_SCC_init_done
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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None of these files use any of the functionality promised by
asm/semaphore.h. It's possible that they rely on it dragging in some
unrelated header file, but I can't build all these files, so we'll have
fix any build failures as they come up.
Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
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This patchset adds a flags variable to reserve_bootmem() and uses the
BOOTMEM_EXCLUSIVE flag in crashkernel reservation code to detect collisions
between crashkernel area and already used memory.
This patch:
Change the reserve_bootmem() function to accept a new flag BOOTMEM_EXCLUSIVE.
If that flag is set, the function returns with -EBUSY if the memory already
has been reserved in the past. This is to avoid conflicts.
Because that code runs before SMP initialisation, there's no race condition
inside reserve_bootmem_core().
[akpm@linux-foundation.org: coding-style fixes]
[akpm@linux-foundation.org: fix powerpc build]
Signed-off-by: Bernhard Walle <bwalle@suse.de>
Cc: <linux-arch@vger.kernel.org>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Vivek Goyal <vgoyal@in.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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EXPORT_SYMBOL's belong to the actual code.
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Signed-off-by: Roel Kluin <12o3l@tiscali.nl>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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m68k: export atari_keyb_init
This patch fixes the following build error:
..
MODPOST 25 modules
ERROR: "atari_keyb_init" [drivers/input/mouse/atarimouse.ko] undefined!
ERROR: "atari_keyb_init" [drivers/input/keyboard/atakbd.ko] undefined!
make[2]: *** [__modpost] Error 1
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Atari keyboard: incorporate additional review comments:
o Kill reference to source file name
o Return error value from input_register_device() instead of -ENOMEM
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Michael Schmitz <schmitz@biophys.uni-duesseldorf.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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m68k: Atari keyboard ACIA driver cleanup:
- removed dead key autorepeat code
- removed hardcoded initial keymap
Signed-off-by: Michael Schmitz <schmitz@biophys.uni-duesseldorf.de>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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SPIN_LOCK_UNLOCKED cleanup,use __SPIN_LOCK_UNLOCKED instead
Signed-off-by: Milind Arun Choudhary <milindchoudhary@gmail.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Signed-off-by: Robert P. J. Day <rpjday@mindspring.com>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Add early parameter support and convert current users to it.
Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Reformat various m68k files, so they actually look like Linux sources.
Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Atari keyboard and mouse support.
(reformating and Kconfig fixes by Roman Zippel)
Signed-off-by: Michael Schmitz <schmitz@debian.org>
Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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