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The video= parameter of the DRM drivers supports some additional flags that
the normal fb drivers do not have. They also allow to limit these flags to
specific outputs. Both things were previously undocumented.
Also the parsing of the line had some oddities:
-A lot of misplaced options were silently ignored or partly rejected instead
of stopping the parsing immediately
-The 'R' option is documented to follow the 'M' option if specified. It is not
documented that 'M' is needed to specify 'R' (also this is the case for normal
fb drivers). In fact the code is correct for normal fb drivers but wrong for
DRM ones.
The old code allowed 'R' only _before_ 'M' (since it parses backwards) and only
if 'M' is given at all which is not needed for the DRM drivers.
-the margins option ('m') was parsed but later ignored even if the later
functions support it.
-specifying multiple enable options at the same time did not lead to an error.
-specifying something bogus for horizontal resolution (i.e. other things as
digits) did not lead to an error but an invalid resolution was used.
If any errors are encountered the position of the faulting string is now
printed to the user and the complete mode is ignored. This gives much
more consistent error behaviour.
I also removed some useless assignments and changed the local flag variables
to be bool.
Signed-off-by: Rolf Eike Beer <eike-kernel@sf-tec.de>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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WARNING: drivers/gpu/drm/radeon/radeon.o(.text+0x5d1fc): Section mismatch in reference from the function radeon_get_clock_info() to the function .devinit.text:radeon_read_clocks_OF()
The function radeon_get_clock_info() references
the function __devinit radeon_read_clocks_OF().
This is often because radeon_get_clock_info lacks a __devinit
annotation or the annotation of radeon_read_clocks_OF is wrong.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Cc: dri-devel@lists.freedesktop.org
Cc: linux-kernel@vger.kernel.org
Cc: linux-mips@linux-mips.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Also disable the ascii dump and remove the literal printing of the
KERN_ERR macro in the log:
[drm:drm_edid_block_valid] *ERROR* Raw EDID:
<3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
v2: Remove the trailing empty line as well.
Signed-off-by: Tormod Volden <debian.tormod@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Those chips have crt2_ddc bus.
Fixes:
https://bugzilla.kernel.org/show_bug.cgi?id=39672
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
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git://anongit.freedesktop.org/git/nouveau/linux-2.6 into drm-core-next
* 'drm-nouveau-next' of git://anongit.freedesktop.org/git/nouveau/linux-2.6:
drm/nouveau/gr: disable fifo access and idle before suspend ctx unload
drm/nouveau: pass flag to engine fini() method on suspend
drm/nouveau: replace nv04_graph_fifo_access() use with direct reg bashing
drm/nv40/gr: rewrite/split context takedown functions
drm/nouveau: detect disabled device in irq handler and return IRQ_NONE
drm/nouveau: ignore connector type when deciding digital/analog on DVI-I
drm/nouveau: Add a quirk for Gigabyte NX86T
drm/nouveau: do not leak in nv20_graph_create
drm/nv50/dp: fix hack to work for macbooks booted via EFI
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We were testing wrong bit in the extended capability query.
Reported-by: Daniel Kurtz <djkurtz@chromium.org>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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To support key repeats, keyboard needs to be setup as an autorepeating
device.
Signed-off-by: Rakesh Iyer <riyer@nvidia.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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This patch moves the iscsi_sna_lt() and iscsi_sna_lte(), along with
iscsi_sna_gt() and iscsi_sna_gte() from iscsi_target_mod into
static inlines inside of include/scsi/iscsi_proto.h
This patch also includes the ISCSI_HDR_LEN and ISCSI_CRC_LEN
definitions.
(Added JesperJ simpliciation for iscsi_sna_* usage)
Signed-off-by: Mark Rustad <mark.d.rustad@intel.com>
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: Nicholas A. Bellinger <nab@linux-iscsi.org>
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struct scsi_lun is also just a struct with an array of 8 octets (64 bits)
but using it instead in iscsi structs lets us call scsilun_to_int
without a cast, and also lets us copy it using assignment, instead of
memcpy().
Signed-off-by: Andy Grover <agrover@redhat.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Bug introduces in:
powerpc/pci: Make both ppc32 and ppc64 use sysdata for pci_controller
(sha1: b5d937de0367d26f65b9af1aef5f2c34c1939be0)
Signed-off-by: Michal Simek <monstr@monstr.eu>
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Support mdm early console:
- extend time for retries
- add mdm compatible property
Signed-off-by: Michal Simek <monstr@monstr.eu>
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Recognize early Linux console from chosen - linux,stdout-path
instead of detecting the first console with appropriate
compatible strings.
This patch solved the problem on system with multiple
consoles.
Signed-off-by: Michal Simek <monstr@monstr.eu>
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1. Register early console as standard console
2. Enable CON_BOOT console flag to ensure auto-unregistering by the kernel
3. remap_early_printk function remap physical console baseaddr to virtual space
Usage specific function for console remap is done after memory initialization
with IRQ turn off that's why there is not necessary to protect it.
The reason for remapping is that the kernel use TLB 63 for 1:1 address mapping
to be able to use console in very early boot-up phase. But allocating one TLB
just for console caused performance degression that's why ioremaps create new
mapping and TLB 63 is automatically released and ready to use.
Signed-off-by: Michal Simek <monstr@monstr.eu>
CC: Russell King <linux@arm.linux.org.uk>
CC: Ralf Baechle <ralf@linux-mips.org>
CC: Ingo Molnar <mingo@redhat.com>
CC: Alan Cox <alan@linux.intel.com>
CC: <linux-serial@vger.kernel.org>
CC: Arnd Bergmann <arnd@arndb.de>
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The current method of saving and restoring the context could cause a
restore before saving, effectively "restoring" zero values to registers.
Add ctx_valid field to indicate if the saved context is valid and can be
restored.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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The current method of saving and restoring the context could cause a
restore before saving, effectively "restoring" zero values to registers.
Add ctx_valid field to indicate if the saved context is valid and can be
restored.
Also restructure the code to save the ctx_loss_count in save_context(),
which makes more sense than the previous method of storing new
ctx_loss_count in dispc_need_ctx_restore.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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dss.c only saves 1 register (3 in OMAP3) so the extra overhead from
need_ctx_restore & co. is probably bigger than the time spent saving and
restoring those few registers every time.
So remove the code from dss.c and restore context every time dss has
been off.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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oh_core variable is no longer used, so it and its initialization can be
removed.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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dispc.c enables and disables clocks in almost every function to make
sure the clocks are enabled when the function is called. This is rather
unoptimal way to handle the problem.
With pm_runtime other components have to call dispc_runtime_get() to
enable dispc clocks before calling any other dispc functions. Thus the
finegrained clk enables/disables can be removed.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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opt_clock_available() is no longer needed, so remove it.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Use PM runtime and HWMOD support to handle enabling and disabling of DSS
modules.
Each DSS module will have get and put functions which can be used to
enable and disable that module. The functions use pm_runtime and hwmod
opt-clocks to enable the hardware.
Acked-by: Kevin Hilman <khilman@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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This patch renames the following iscsi_proto.h structures to avoid
namespace issues with drivers/target/iscsi/iscsi_target_core.h:
*) struct iscsi_cmd -> struct iscsi_scsi_req
*) struct iscsi_cmd_rsp -> struct iscsi_scsi_rsp
*) struct iscsi_login -> struct iscsi_login_req
This patch includes useful ISCSI_FLAG_LOGIN_[CURRENT,NEXT]_STAGE*,
and ISCSI_FLAG_SNACK_TYPE_* definitions used by iscsi_target_mod, and
fixes the incorrect definition of struct iscsi_snack to following
RFC-3720 Section 10.16. SNACK Request.
Also, this patch updates libiscsi, iSER, be2iscsi, and bn2xi to
use the updated structure definitions in a handful of locations.
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: Nicholas A. Bellinger <nab@linux-iscsi.org>
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The current cpuinfo output for the cache policy has no leading tag:, making
it difficult to parse. Add a leaning "Dcache-policy:" tag to this field.
Signed-off-by: John A. Williams <john.williams@petalogix.com>
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Add cpuinfo support for the new MicroBlaze option permitting userspace
(unprivileged) access to the streaming instructions (FSL / AXI-stream).
Emit a noisy warning at bootup if this is enabled, because bad user code
can potentially lockup the CPU.
Signed-off-by: John A. Williams <john.williams@petalogix.com>
Signed-off-by: Michal Simek <monstr@monstr.eu>
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CONFIG_OMAP2_DSS_SLEEP_BEFORE_RESET is used to avoid an unclear bug at
DSS reset time. The pm runtime will handle reset in the future, and this
code has to be removed. Hopefully we won't see this error anymore.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Currently dss.c does all the low level clock handling in the DSS, and
thus it contains pointers to all the clocks. This allows dss.c to dump
the clock information for all the clocks.
With pm_runtime this is no longer the case, as each submodule will
handle its clocks independently. Thus remove the core_dump_clocks
function as it cannot be used with pm_runtime.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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DSI PLL requires sys_clk to function, and DPI enables sys_clk when it
wants to use DSI PLL. However, DSI PLL code already handles enabling
sys_clk, so DPI's sys_clk code is extra.
Remove the unneeded sys_clk handling from dpi.c.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Initialize get_context_loss_count in the DSS board data to
omap_pm_get_dev_context_loss_count, so that omapdss driver can use it.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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The function to get device's context loss count has changed from
omap_pm_get_last_off_on_transaction_id() to
omap_pm_get_dev_context_loss_count()
Change name of the function pointer in omapdss.h accordingly, and use
the term "context loss count" instead of "context id" in the code.
Restructure the context loss count functions to handle errors properly,
and ensure that context is always considered lost if an error happens.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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DSS enables core clocks for the duration of initialization to avoid
unnecessary context saves and restores.
With PM runtime the clocks cannot be handled in this way, outside the
dss module drivers. Thus we need to remove the optimization.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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The initialization order of the DSS modules is important when pm_runtime
support is implemented. Currently RFBI is initialized before DISPC,
which will cause problems with pm_runtime as RFBI uses DISPC.
The same goes for uninitialization order, and dss_uninit needs to be
called last, and dispc_uninit just before that.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Both dss.c and dsi.c had a probe function, which was almost a dummy one,
calling dss_init() and dsi_init().
Remove the init functions by moving the initialization code into probe
functions.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Get and put for dpll4_m4_ck was handled in dss_init/dss_exit. Move the
code to dss_get/put_clocks(), which is a better place to handle it.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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descrtiption -> description
Signed-off-by: Michal Simek <monstr@monstr.eu>
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The address limit is already set in flush_old_exec() so this
set_fs(USER_DS) is redundant.
Signed-off-by: Mathias Krause <minipli@googlemail.com>
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The prototype for start_thread() is already present in the MMU/NOMMU
independent part of the file. Remove the duplicate.
Signed-off-by: Mathias Krause <minipli@googlemail.com>
Signed-off-by: Michal Simek <monstr@monstr.eu>
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Several registers weren't saved correctly to the stack.
Unaligned expection for system with MMU stores
value in ex_tmp_data_loc_X address which is load to registers r3.
The next step is to move this value from r3 to a destination
register which caused unaligned exception. For several registers
this value was directly moved to the register.
For example for r28:
by "or r28, r0, r3"
but register r28 was rewritten when kernel returns from exception
handler by value saved on stack.
This patch changed r3 saving to the correct address on the stack.
For example for r28:
by "swi r3, r1, 4 * 28"
When kernel returns from the exception handler, correct value is restored.
Signed-off-by: Michal Simek <monstr@monstr.eu>
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Do not trace arch_local_save_flags(), arch_local_irq_*() and friends.
Although they are marked inline, gcc may still make a function out of
them and add it to the pool of functions that are traced by the function
tracer. This can cause undesirable results (kernel panic, triple faults,
etc).
Add the notrace notation to prevent them from ever being traced.
Cc: Michal Simek <monstr@monstr.eu>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/davej/cpufreq
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/davej/cpufreq:
[CPUFREQ] s5pv210: make needlessly global symbols static
[CPUFREQ] exynos4210: make needlessly global symbols static
[CPUFREQ] S3C6410: Add some lower frequencies for 800MHz base clock operation
[CPUFREQ] S5PV210: Add reboot notifier to prevent system hang
[CPUFREQ] S5PV210: Adjust udelay prior to voltage scaling down
[CPUFREQ] S5PV210: Lock a mutex while changing the cpu frequency
[CPUFREQ] S5PV210: Add pm_notifier to prevent system unstable
[CPUFREQ] S5PV210: Add arm/int voltage control support
[CPUFREQ] S5PV210: Add additional symantics for "relation" in cpufreq with pm
[CPUFREQ] S3C64xx: Notify transition complete as soon as frequency changed
[CPUFREQ] S3C6410: Support 800MHz operation in cpufreq
[CPUFREQ] s5pv210-cpufreq.c: Add missing clk_put
[CPUFREQ] Move compile for S3C64XX cpufreq to /drivers/cpufreq
[CPUFREQ] Remove some vi noise that escaped into the Makefile.
[CPUFREQ] Move ARM Samsung cpufreq drivers to drivers/cpufreq/
[CPUFREQ/S3C64xx] Move S3C64xx CPUfreq driver into drivers/cpufreq
[CPUFREQ] Handle CPUs with different capabilities in acpi-cpufreq
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (145 commits)
bnx2x: use pci_pcie_cap()
bnx2x: fix bnx2x_stop_on_error flow in bnx2x_sp_rtnl_task
bnx2x: enable internal target-read for 57712 and up only
bnx2x: count statistic ramrods on EQ to prevent MC assert
bnx2x: fix loopback for non 10G link
bnx2x: dcb - send all unmapped priorities to same COS as L2
iwlwifi: Fix build with CONFIG_PM disabled.
gre: fix improper error handling
ipv4: use RT_TOS after some rt_tos conversions
via-velocity: remove duplicated #include
qlge: remove duplicated #include
igb: remove duplicated #include
can: c_can: remove duplicated #include
bnad: remove duplicated #include
net: allow netif_carrier to be called safely from IRQ
bna: Header File Consolidation
bna: HW Error Counter Fix
bna: Add HW Semaphore Unlock Logic
bna: IOC Event Name Change
bna: Mboxq Flush When IOC Disabled
...
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So use mdelay(20) instead. Fixes this build error:
ERROR: "__bad_udelay" [drivers/staging/gma500/psb_gfx.ko] undefined!
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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commit 2502b667ea835ee16685c74b2a0d89ba8afe117a ("Change the m68knommu irq
handling to use the generic irq framework.") removed the reporting of spurious
interrupts on nommu (68328 and 68360).
Bring it back in a generic way, using "atomic_t irq_err_count", as that's what
most of the other architectures are using.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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It is not machine-specific, but common irq infrastructure.
Also add the missing asmlinkage, to match its definition.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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The ColdFire processors have a much more limited set of addressing modes
that can be used for most instructions. A number of the atomic operations
have already been fixed to limit the addressing modes used with add and
sub instructions when building for ColdFire. But we missed a few.
Fix the remaining atomic operations to be clean for ColdFire processors.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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When reworking bitops.h to be clean for all processor types we introduced
a CONFIG_CPU_HAS_NO_BITFIELDS define to signal whether this processor type
supported the bit field instructions. The ARCH_SIG_BITOPS functions for
m68k use these instruction types. We should base the use of these functions
(or the generic versions) on the CONFIG_CPU_HAS_NO_BITFIELDS define.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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The real difference between the mmu and non-mmu varients of the delay.h
files has nothing to do with having an mmu or not. It is processor family
differences that means slightly different code. Merge the delay_mm.h and
delay_no.h files back into a single file.
The primarly difference we need to deal with is whether the processor
supports a 32bit * 32bit -> 64bit multiply. Without it we need to do some
shift scaling as well as use a 32bit * 32bit -> 32bit multiply. If building
for a multi-CPU type kernel then we must use the simpler mult/shift scaling.
This version of delay code allows the CPU32 family to use a 64bit mul,
since it supports this instruction, the old code did not.
The changes use macros where appropriate to try and optimize constant sized
udelay times. And it removes the use of a fixed lib function for the non-mmu
case. Code size on typical kernel configurations is similar, or only larger
by a few tens of bytes.
Also removed the unused muldiv() code from delay_mm.h.
Build and run tested on ColdFire and ARAnyM. Build tested only on 68328
and 68360 (CPU32).
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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Currently trap_init() is an empty function for m68knommu. Instead
the vectors are being setup as part of the IRQ initialization.
This is inconsistent with m68k and other architectures.
Change the local init_vectors() to be trap_init(), and init the
vectors at the correct time during startup. This will help merge of
m68k and m68knommu trap code in the furture.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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The ColdFire 5206 and 5206e CPU families are almost identical, we can
easily merge the platform support code for them. All the differences
are dealt with in the current include/asm/5206sim.h.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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The following patch merges the mmu and non-mmu versions of the m68k
bitops.h files. Now there is a good deal of difference between the two
files, but none of it is actually an mmu specific difference. It is
all about the specific m68k/coldfire varient we are targeting. So it
makes an awful lot of sense to merge these into a single bitops.h.
There is a number of ways I can see to factor this code. The approach
I have taken here is to keep the various versions of each macro/function
type together. This means that there is some ifdefery with each to handle
each CPU type.
I have added some comments in a couple of appropriate places to try
and make it clear what the differences we are dealing with are.
Specifically the instruction and addressing mode differences we have
to deal with.
The merged form keeps the same underlying optimizations for each CPU
type for all the general bit clear/set/change and find bit operations.
It does switch to using the generic le operations though, instead of
any local varients.
Build tested on ColdFire, 68328, 68360 (which is cpu32) and 68020+.
Run tested on ColdFire and ARAnyM.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
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The non-MMU m68k targets can use the same asm/system.h as the MMU
targets. So switch the current system_mm.h to be system.h and remove
system_no.h.
The assembly support code for the non-MMU resume functions needs to
be modified to match the now common switch_to() macro. Specifically
this means correctly saving and restoring the status flags in the case
of the ColdFire resume, and some reordering of the code to not use
registers before they are saved or after they are restored.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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The contents of asm/hardirq.h are pretty strait forward for both the
MMU (hardirq_mm.h) and non-MMU (hardirq_no.h) include files. Merge the
two back into a single file.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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