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It was scheduled to be removed for a long time.
Cc: Pablo Neira Ayuso <pablo@netfilter.org>
Cc: Patrick McHardy <kaber@trash.net>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: netfilter@vger.kernel.org
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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There is no specific atomic64 support code for any m68k CPUs, so we should
select CONFIG_GENERIC_ATOMC64 for all. Remove the existing per CPU selection
of this and select it for all m68k.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Acked-by: Fengguang Wu <fengguang.wu@intel.com>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
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The ColdFire CPU sub-arch has kernel clk code support, so select
CONFIG_HAVE_CLK.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k
Pull m68k updates from Geert Uytterhoeven.
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k:
m68k: Make sys_atomic_cmpxchg_32 work on classic m68k
m68k/apollo: Rename "timer" to "apollo_timer"
zorro: Remove unused zorro_bus.devices
m68k: Remove never used asm/shm.h
m68k/sun3: Remove unselectable code in prom_init()
m68k: Use asm-generic version of <asm/sections.h>
m68k: Replace m68k-specific _[se]bss by generic __bss_{start,stop}
mtd/uclinux: Use generic __bss_stop instead of _ebss
m68knommu: Allow ColdFire CPUs to use unaligned accesses
m68k: Remove five unused headers
m68k: CPU32 does not support unaligned accesses
m68k: Introduce config option CPU_HAS_NO_UNALIGNED
m68k: delay, muldi3 - Use CONFIG_CPU_HAS_NO_MULDIV64
m68k: Move CPU_HAS_* config options
m68k: Remove duplicate FPU config option
m68knommu: Clean up printing of sections
m68k: Use asm-generic version of <asm/types.h>
m68k: Use Kbuild logic to import asm-generic headers
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User space access must always go through uaccess accessors, since on
classic m68k user space and kernel space are completely separate.
Signed-off-by: Andreas Schwab <schwab@linux-m68k.org>
Tested-by: Thorsten Glaser <tg@debian.org>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: stable@vger.kernel.org
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Rather than #define the options manually in the architecture code, add
Kconfig options for them and select them there instead. This also allows
us to select the compat IPC version parsing automatically for platforms
using the old compat IPC interface.
Reported-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Chris Metcalf <cmetcalf@tilera.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu
Pull m68knommu arch update from Greg Ungerer:
"Quite a varied set of changes this time.
- A little more merge cleanup, this time the assembler entry code.
- New sub-architecture support for the ColdFire 5251/5253 and 5441x
CPU families.
- Specific clk support code for the ColdFire 520x and 532x CPU
familes.
- Refactoring of the ColdFire GPIO support.
- PCI bus support for some ColdFire CPUS that have PCI hardware (54xx
family). This showed up a few problems with ColdFire cache,
allocating coherent memory and bi-directional DMA support. Fixes
for those too."
* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu: (21 commits)
m68k: allow PCI bus to be enabled for ColdFire m54xx CPUs
m68k: add PCI bus code support for the ColdFire M54xx SoC family
m68k: add IO access definitions to support PCI on ColdFire platforms
m68k: add PCI bus support definitions for the ColdFire M54xx SoC family
m68k: common PCI support definitions and code
m68k: add support for DMA_BIDIRECTIONAL in dma support functions
m68k: fix ColdFire clear cache operation
m68k: use simpler dma_alloc_coherent() for ColdFire CPUs
m68knommu: platform support for 8390 based ethernet used on some boards
m68knommu: Add clk definitions for m532x.
m68knommu: Add clk definitions for m520x.
m68knommu: Add rtc device for m5441x.
m68knommu: add definitions for the third interrupt controller on devices that don't have a third interrupt controller.
m68knommu: Add support for the Coldfire m5441x.
m68knommu: use MCF_IRQ_PIT1 instead of MCFINT_VECBASE + MCFINT_PIT1
coldfire-qspi: Add support for the Coldfire 5251/5253.
m68knommu: Add support for the Coldfire 5251/5253
m68knommu: refactor Coldfire GPIO not to require GPIOLIB, eliminate mcf_gpio_chips.
m68k: merge the MMU and non-MMU versions of the entry.S code
m68k: use jbsr to call functions instead of bsrl
...
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git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
Pull trivial tree from Jiri Kosina:
"Trivial updates all over the place as usual."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (29 commits)
Fix typo in include/linux/clk.h .
pci: hotplug: Fix typo in pci
iommu: Fix typo in iommu
video: Fix typo in drivers/video
Documentation: Add newline at end-of-file to files lacking one
arm,unicore32: Remove obsolete "select MISC_DEVICES"
module.c: spelling s/postition/position/g
cpufreq: Fix typo in cpufreq driver
trivial: typo in comment in mksysmap
mach-omap2: Fix typo in debug message and comment
scsi: aha152x: Fix sparse warning and make printing pointer address more portable.
Change email address for Steve Glendinning
Btrfs: fix typo in convert_extent_bit
via: Remove bogus if check
netprio_cgroup.c: fix comment typo
backlight: fix memory leak on obscure error path
Documentation: asus-laptop.txt references an obsolete Kconfig item
Documentation: ManagementStyle: fixed typo
mm/vmscan: cleanup comment error in balance_pgdat
mm: cleanup on the comments of zone_reclaim_stat
...
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In file included from include/linux/kgdb.h:17,
from include/linux/fb.h:8,
from drivers/video/dnfb.c:15:
include/linux/serial_8250.h:71: error: expected identifier or ‘(’ before numeric constant
include/linux/serial_8250.h:72: error: expected ‘;’ before ‘struct’
make[1]: *** [drivers/video/dnfb.o] Error 1
This is caused by
#define timer (IO_BASE + timer_physaddr)
in <asm/apollohw.h>, which conflicts with the new "timer" struct member in
<linux/serial_8250.h>.
Rename "timer" to "apollo_timer", as it's a way too generic name for a
global #define.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
--
http://kisskb.ellerman.id.au/kisskb/buildresult/6739606/
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Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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All support code for the PCI bus hardware on the ColdFire 547x and 548x
CPUs is now in. Allow enabling of CONFIG_PCI for them.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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The ColdFire M54xx SoC family have a traditional PCI bus interface.
Add the core support code to access and use this bus on these parts.
This code provides all the config space access functions and IO access
functions. It also carries out the PCI bus initialization and hooks into
the kernel PCI subsystem.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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Define the usual memory access functions (readb/writeb/...) and I/O space
functions (inb/outb/...) for PCI bus support on ColdFire CPU based platforms.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
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Add all the required definitoins to support the ColdFire M54xx SoC PCI
hardware unit. These are strait out of the MCF5475 Reference Manual.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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Basic set of definitions and support code required to turn on CONFIG_PCI
for the m68k architecture. Nothing specific to any PCI implementation in
any m68k class CPU hardware yet.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
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The dma cache support functions do not currently support the direction flag
DMA_BIDIRECTIONAL. If a driver passes this direction to dma_map_single or
friends you will get console output like this:
dma_sync_single_for_device: unsupported dir 0
For example when using the Intel e100 ethernet driver on a ColdFire platform
with PCI bus. You will get a stream of these messages coming out.
Modify the dma cache support code adding support for DMA_BIDIRECTIONAL. It is
actioned by doing a cache push operation.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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The code for clearing (invalidating) the ColdFire cache is actually performing
a push operation. Add functions to clear the cache, and fix cache_clear() to
call the appropriate clear cache function.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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On all ColdFire platforms (whether MMU enabled or not) we want to use the
simple page based dma_alloc_coherent. We don't want the virtual mapping
version that is used on classic m68k setups. So modify the conditionals
to use the existing simpler dma_alloc_coherent on all ColdFire and non-MMU
builds.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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Quite a few of Freescale's older ColdFire development boards used an NS8390
based ethernet interface. Add a platform definition for the resources used
by these devices so we can use it on these boards.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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The 532x has individually controllable clocks for it peripherals. Add clk
definitions for these and add default initialization of either enabled or
disabled.
Signed-off-by: Steven King <sfking@fdwdc.com>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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The 520x has individually controllable clocks for its peripherals. Add clk
definitions for these and add default initialization of either enabled or
disabled for all of the clocks.
Signed-off-by: Steven King <sfking@fdwdc.com>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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Add definitions for the m5441x rtc device and an init_BSP function to the
m5441x device code.
Signed-off-by: Steven King <sfking@fdwdc.com>
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that don't have a third interrupt controller.
Extending the interrupt controller code in intc-simr.c to support the third
interrupt controller on the m5441x means we need to add defines (as 0) for the
third interrupt controller on devices that don't have a third interrupt
controller.
Signed-off-by: Steven King <sfking@fdwdc.com>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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Add support for the Coldfire 5441x (54410/54415/54416/54417/54418). Currently
we only support noMMU mode. It requires the PIT patch posted previously as it
uses the PIT instead of the dma timer as a clock source so we can get all that
GENERIC_CLOCKEVENTS goodness. It also adds some simple clk definitions and
very simple minded power management. The gpio code is tweeked and some
additional devices are added to devices.c. The Makefile uses -mv4e as
apparently, the only difference a v4m (m5441x) and a v4e is the later has a
FPU, which I don't think should matter to us in the kernel.
Signed-off-by: Steven King <sfking@fdwdc.com>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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use MCF_IRQ_PIT1 instead of MCFINT_VECBASE + MCFINT_PIT1 so we can support
those parts that have the pit1 interrupt on other than the first interrupt
controller.
Signed-off-by: Steven King <sfking@fdwdc.com>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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Basic support for the Coldfire 5251/5253.
Signed-off-by: Steven king <sfking@fdwdc.com>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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mcf_gpio_chips.
If we're not connecting external GPIO extenders via i2c or spi or whatever, we
probably don't need GPIOLIB. If we provide an alternate implementation of
the GPIOLIB functions to use when only on-chip GPIO is needed, we can change
ARCH_REQUIRE_GPIOLIB to ARCH_WANTS_OPTIONAL_GPIOLIB so that GPIOLIB becomes
optional.
The downside is that in the GPIOLIB=n case, we lose all error checking done by
gpiolib, ie multiply allocating the gpio, free'ing gpio etc., so that the
only checking that can be done is if we reference a gpio on an external part.
Targets that need the extra error checking can still select GPIOLIB=y.
For the case where GPIOLIB=y, we can simplify the table of gpio chips to use a
single chip, eliminating the tables of chips in the 5xxx.c files. The
original motivation for the definition of multiple chips was to match the way
many of the Coldfire variants defined their gpio as a spare array in memory.
However, all this really gains us is some error checking when we request a
gpio, gpiolib can check that it doesn't fall in one of the holes. If thats
important, I think we can still come up with a better way of accomplishing
that.
Also in this patch is some general cleanup and reorganizing of the gpio header
files (I'm sure I must have had a reason why I sometimes used a prefix of
mcf_gpio and other times mcfgpio but for the life of me I can't think of it
now).
Signed-off-by: Steven King <sfking@fdwdc.com>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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Some of the entry.S code is common to both MMU and non-MMU builds.
So merge the entry_no.S and entry_mm.S files back into a single file.
With a little code movement we only need a single #ifdef.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
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There is a few places that the m68k entry code uses the bsrl instruction
to call other functions. That instruction is only supported on 68020 and
higher CPU types. If we use jbsr instead the code will be clean for all
68k and ColdFire CPU types.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
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The ret_from_excption code is referenced by its function name, or by a label
set at the start of its code. The non-MMU code can share some of this code
if we make direct calls to ret_from_exception instead of the associated label.
The effected function paths are: buserr, trap and ret_from_fork. So change
these to branch directly to ret_from_exception.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
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A number of older ColdFire CPU based boards use NS8390 based network
controllers. Most use the Davicom 9008F or the UMC 9008F. This driver
provides the support code to get these devices working on these platforms.
Generally the NS8390 based eth device is direct connected via the general
purpose bus of the ColdFire CPU. So its addressing and interrupt setup is
fixed on each of the different platforms (classic platform setup).
This driver is based on the other drivers/net/ethernet/8390 drivers, and
includes the lib8390.c code. It uses the existing definitions of the
board NS8390 device addresses, interrupts and access types from the
arch/m68k/include/asm/mcf8390.h, but moves the IO access functions into
the driver code and out of that header.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The mcfne.h include contains definitions to support NS8390 eth based hardware
on ColdFire based CPU boards. So change its name to reflect that better.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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m68k's asm/shm.h header has been part of the tree ever since m68k
support got added in v1.3.94. (It started as /include/asm-m68k/shm.h and
moved to its current location a few years ago.) It seems it was never
used: no file ever included it and nothing used the macros it defines.
(Actually, from v2.5.46 until v2.6.29-rc3 it was included by m68knommu's
asm/shm.h. But that header was just a very thin wrapper for this header
and was itself unused too.)
This header can safely be removed.
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
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This was copied from SPARC, but isn't relevant for the supported Sun-3
models.
[Geert] Also remove the related extern declarations, and update the
comment about prom_init().
Reported-by: Sarah Nadi <snadi@uwaterloo.ca>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
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Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Greg Ungerer<gerg@uclinux.org>
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BSS_SECTION() provides the __bss_{start,stop} symbols, so there's no need
to wrap our own _[se]bss around it.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Greg Ungerer<gerg@uclinux.org>
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All of the current Linux supported ColdFire CPUs handle unaligned
memory accesses. So remove the CONFIG_CPU_HAS_NO_UNALIGNED option
selection for ColdFire. If we ever support a specific ColdFire CPU
that does not support unaligned accesses then we can insert the
CONFIG_CPU_HAS_NO_UNALIGNED for that specific CPU type.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
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There are five entirely unused headers in arch/m68k/include/asm. Nothing
includes these headers. And a few tests found no hits for the things
they provide (which makes sense).
MC68332.h, mac_mouse.h, and mcfmbus.h are all unused since at least
v2.6.12-rc2 (I didn't bother looking further back than that).
apollodma.h is unused since v2.6.19: commit
2ed0ce5b57950a620155433c62a5a02a067f1376 ("m68k/Apollo: Remove obsolete
arch/m68k/apollo/dma.c") removed the last file interested in that
header.
And everything interested in <asm/sbus.h> was removed in the v2.6.28
release cycle. The last occurrence of "sbus.h" was deleted with commit
0c0db98b50ed1217c0dbf4051722034ba314d06e ("sparc: Remove
Documentation/sparc/sbus_drivers.txt"). I'm not sure whether anything
relevant for m68k was included in v2.6.27, but it doesn't really matter.
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Acked-by: Greg Ungerer<gerg@uclinux.org>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
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Commit f4d40de39a23f0c39cca55ac63e1175c69c3d2f7 ("net fec: do not depend
on grouped clocks") breaks compilation of the FEC driver for non iMX
platforms in linux-3.5-rc1. For example when compiling for ColdFire I get:
LD vmlinux
drivers/built-in.o: In function `fec_probe':
fec.c:(.devinit.text+0x1e0): undefined reference to `devm_clk_get'
Define a simple devm_clk_get() function for the m68knommu architecture.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k
Pull m68k update from Geert Uytterhoeven.
This makes m68k use the generic library functions for the user-space
strn[cpy|len] functions.
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k:
m68k: Use generic strncpy_from_user(), strlen_user(), and strnlen_user()
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The assembler entry code calls directly to the syscall_trace_enter() and
syscall_trace_leave() functions. But currently they are conditionaly
compiled out for the non-MMU classic m68k CPU types (so 68328 for example),
resulting in a link error:
LD vmlinux
arch/m68k/platform/68328/built-in.o: In function `do_trace':
(.text+0x1c): undefined reference to `syscall_trace_enter'
arch/m68k/platform/68328/built-in.o: In function `do_trace':
(.text+0x4c): undefined reference to `syscall_trace_leave'
Change the conditional check that includes these functions to be true for
the !defined(CONFIG_MMU) case as well.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
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Compiling for 68360 based targets fails with:
arch/m68k/platform/68360/config.c: In function ‘hw_tick’:
arch/m68k/platform/68360/config.c:55:2: error: implicit declaration of function ‘arch_timer_interrupt’
arch/m68k/platform/68360/config.c: At top level:
arch/m68k/platform/68360/config.c:64:6: error: conflicting types for ‘hw_timer_init’
arch/m68k/include/asm/machdep.h:36:13: note: previous declaration of ‘hw_timer_init’ was here
Changes made to hw_timer_init() didn't get updated in the 68328 timer code.
So process and call the "handler" arg that is now passed into that
hw_timer_init() function.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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Compiling for 68328 based targets fails with:
arch/m68k/platform/68328/timers.c: In function ‘hw_tick’:
arch/m68k/platform/68328/timers.c:65:2: error: implicit declaration of function ‘arch_timer_interrupt’
arch/m68k/platform/68328/timers.c: At top level:
arch/m68k/platform/68328/timers.c:102:6: error: conflicting types for ‘hw_timer_init’
arch/m68k/include/asm/machdep.h:36:13: note: previous declaration of ‘hw_timer_init’ was here
Changes made to hw_timer_init() didn't get updated in the 68328 timer code.
So process and call the "handler" arg that is now passed into that
hw_timer_init() function.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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When building for non-MMU based classic 68k CPU types (like the 68328 for
example) you get a compilation error:
CC arch/m68k/kernel/time.o
arch/m68k/kernel/time.c:91:5: error: redefinition of ‘arch_gettimeoffset’
include/linux/time.h:145:19: note: previous definition of ‘arch_gettimeoffset’ was here
The arch_gettimeoffset() code is included when building for these CPU types,
but it shouldn't be. Those machine types do not have
CONFIG_ARCH_USES_GETTIMEOFFSET set.
The fix is simply to conditionally include the arch_gettimeoffset() code on
that same config setting that specifies its use or not.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
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The consolidation of the qspi code missed a definition for 528x.
Signed-off-by: Steven King <sfking@fdwdc.com>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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Hence select CPU_HAS_NO_UNALIGNED
Reported-by: Philippe De Muyter <phdm@macqel.be>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Greg Ungerer<gerg@uclinux.org>
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Use CONFIG_CPU_HAS_NO_UNALIGNED instead of open coding CONFIG_M68000 ||
CONFIG_COLDFIRE
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Greg Ungerer<gerg@uclinux.org>
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instead of open coding CONFIG_M68000 || CONFIG_COLDFIRE
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Greg Ungerer<gerg@uclinux.org>
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They belong together with the CPU selection
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Greg Ungerer<gerg@uclinux.org>
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It's also defined in arch/m68k/Kconfig.cpu
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Greg Ungerer<gerg@uclinux.org>
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