| Commit message (Collapse) | Author | Age |
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o sparc32 files with identical names to sparc64 renamed to <name>_32.S
o introduced a few Kconfig helpers to simplify Makefile logic
o refactored Makefile to prepare for unification
- use obj-$(CONFIG_SPARC32) for sparc32 specific files
- use <name>_$(BITS) for files where sparc64 has a _64 variant
- sparc64 directly include a few files where sparc32 builds them,
refer to these files directly (no BITS)
- sneaked in -Werror as used by sparc64
o modified sparc/Makefile to use the new names for head/init_task
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6
Conflicts:
arch/sparc64/kernel/pci_psycho.c
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This doesn't match the function pointer type it gets assigned
to. Luckily, this was harmless.
Signed-off-by: David S. Miller <davem@davemloft.net>
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master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6
Conflicts:
arch/sparc/kernel/of_device.c
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When a device is under an EBUS or ISA bus, the resource flags
don't get set properly.
Fix this by re-evaluating the resource flags at each level of
bus as we apply ranges on the way to the root. And let PCI
override any existing flags setting, but don't let the
default flags calculator make such overrides.
Signed-off-by: David S. Miller <davem@davemloft.net>
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The device nodes that sit above 'esp' and 'le' on SBUS lack a 'ranges'
property, but we should pass the translation up to the parent node so
that the SBUS level ranges get applied.
Based upon a bug report from Robert Reif.
Signed-off-by: David S. Miller <davem@davemloft.net>
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No longer used.
Signed-off-by: David S. Miller <davem@davemloft.net>
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No longer used.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add a helper function that, given a bus of_device node, propagates
all iommu, stc, and host_controller values down to the child nodes.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Stephen Rothwell noticed that I committed an earlier version
of the patch that didn't have two things fixed:
1) irq_of_parse_and_map() should return "unsigned int" not "int"
and it should return zero for "no irq"
2) irq_dispose_mapping() should be an inline function, not a macro,
for type checking
With feedback and suggestions from Anton Vorontsov.
Signed-off-by: David S. Miller <davem@davemloft.net>
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This allows more OF layer code to be shared between powerpc and
sparc.
Signed-off-by: David S. Miller <davem@davemloft.net>
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There are no callers of this on the Sparc platforms.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Also of_unregister_driver. These will be shortly also used by the
PowerPC code.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The name field of of_platform_driver is just copied into the
included device_driver. By not overriding an already initialised
device_driver name, we can convert the drivers over time to stop using
the of_platform_driver name.
Also we were not copying the owner field from of_platform_driver, so do
the same with it.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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and populate it with the common parts from PowerPC and Sparc[64].
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Acked-by: Paul Mackerras <paulus@samba.org>
Acked-by: David S. Miller <davem@davemloft.net>
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This is to make the of merge easier. Also rename of_bus_type.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Acked-by: David S. Miller <davem@davemloft.net>
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This moves all the common parts for the Sparc, Sparc64 and PowerPC
of_device.c files into drivers/of/device.c.
Apart from the simple move, Sparc gains of_match_node() and a call to
of_node_put in of_release_dev(). PowerPC gains better recovery if
device_create_file() fails in of_device_register().
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Acked-by: Paul Mackerras <paulus@samba.org>
Acked-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Just leave them as zero if we couldn't calculate it.
Signed-off-by: David S. Miller <davem@davemloft.net>
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We mistakedly modify 'bus' in the innermost loop. What
should happen is that at each register index iteration,
we start with the same 'bus'.
So preserve it's value at the top level, and use a loop
local variable 'dbus' for iteration.
This bug causes registers other than the first to be
decoded improperly.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Replace kmalloc+memset with kzalloc
Signed-off-by: Yan Burman <burman.yan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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dp->path_component_name can be larger than ->bus_id[]
so use a different naming scheme for this stuff.
Noticed by Jurij Smakov.
Signed-off-by: David S. Miller <davem@davemloft.net>
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kbuild explicitly includes this at build time.
Signed-off-by: Dave Jones <davej@redhat.com>
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1) Explicitly traverse to the root looking for the "sbi".
2) Grab the "board#" property from the sbi's parent and
verify that this parent is an "io-unit" node.
3) Skip IRQ initialization when device lacks "reg" property.
Signed-off-by: David S. Miller <davem@davemloft.net>
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There is an implicit assumption in the code that ranges will translate
to something that can fit in 2 32-bit cells, or a 64-bit value. For
certain kinds of things below PCI this isn't necessarily true.
Here is what the relevant OF device hierarchy looks like for one of
the serial controllers on an Ultra5:
Node 0xf005f1e0
ranges: 00000000.00000000.00000000.000001fe.01000000.00000000.01000000
01000000.00000000.00000000.000001fe.02000000.00000000.01000000
02000000.00000000.00000000.000001ff.00000000.00000001.00000000
03000000.00000000.00000000.000001ff.00000000.00000001.00000000
device_type: 'pci'
model: 'SUNW,sabre'
Node 0xf005f9d4
device_type: 'pci'
model: 'SUNW,simba'
Node 0xf0060d24
ranges: 00000010.00000000 82010810.00000000.f0000000 01000000
00000014.00000000 82010814.00000000.f1000000 00800000
name: 'ebus'
Node 0xf0062dac
reg: 00000014.003083f8.00000008 --> 0x1ff.f13083f8
device_type: 'serial'
name: 'su'
So the correct translation here is:
1) Match "su" register to second ranges entry of 'ebus', which translates
into a PCI triplet "82010814.00000000.f1000000" of size 00800000, which
gives us "82010814.00000000.f13083f8".
2) Pass-through "SUNW,simba" since it lacks ranges property
3) Match "82010814.00000000.f13083f8" to third ranges property of PCI
controller node 'SUNW,sabre', and we arrive at the final physical
MMIO address of "0x1fff13083f8".
Due to the 2-cell assumption, we couldn't translate to a PCI 3-cell
value, and we couldn't perform a pass-thru on it either.
It was easiest to just stop splitting the ranges application operation
between two methods, ->map and ->translate, and just let ->map do all
the work. That way it would work purely on 32-bit cell arrays instead
of having to "return" some value like a u64.
It's still not %100 correct because the out-of-range check is still
done using the 64 least significant bits of the range and address.
But it does work for all the cases I've thrown at it so far.
Signed-off-by: David S. Miller <davem@davemloft.net>
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device_create_file() can fail. This causes the sparc64 compile to
fail when my fanatical __must_check patch is applied, due to -Werror.
[ Added necessary identical fix for sparc32. -DaveM]
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Happily, life is much simpler on 32-bit sparc systems.
The "intr" property, preferred over the "interrupts"
property is used-as. Some minor translations of this
value happen on sun4d systems.
The stage is now set to rewrite the sparc serial driver
probing to use the of_driver framework, and then to convert
all SBUS, EBUS, and ISA drivers in-kind so that we can nuke
all those special bus frameworks.
Signed-off-by: David S. Miller <davem@davemloft.net>
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On sparc64 we don't need to do this because the resource
values are large enough to encode the full physical address.
Signed-off-by: David S. Miller <davem@davemloft.net>
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The idea is to fully construct the device register and
interrupt values into these of_device objects, and convert
all of SBUS, EBUS, ISA drivers to use this new stuff.
Much ideas and code taken from Ben H.'s powerpc work.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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