.
This requires adding a few address of operators on architectures where
__dtb_start was an array before.
Signed-off-by: Geert Uytterhoeven ge...@linux-m68k.org
Cc: Vineet Gupta vgu...@synopsys.com
Cc: James Hogan james.ho...@imgtec.com
Cc: Ralf Baechle r...@linux-mips.org
Cc: Jonas Bonn jo
Hi Chen,
On 04/12/13 05:45, Chen Gang wrote:
Could you provide any related information about metag tool chains?
I plan to cross compile metag with allmodconfig, but now it seems not
quite easy to find related gcc (binutils-2.23.2 support metag, but gcc
main line does not).
A buildroot tree
On 04/12/13 12:02, James Hogan wrote:
On 04/12/13 05:45, Chen Gang wrote:
Could you provide any related information about metag tool chains?
I plan to cross compile metag with allmodconfig, but now it seems not
quite easy to find related gcc (binutils-2.23.2 support metag, but gcc
main line
...@goodmis.org
Cc: Jiri Kosina triv...@kernel.org
Cc: James Hogan james.ho...@imgtec.com
Signed-off-by: Jiang Liu liu...@gmail.com
Acked-by: James Hogan james.ho...@imgtec.com
Do you want me to take this patch through the metag tree for v3.14 or
let it go via another tree with the other patches
On 05/12/13 08:46, Chen Gang wrote:
On 12/05/2013 09:57 AM, Chen Gang wrote:
I will/should try my best to let it pass allmodconfig, and I guess
https://lkml.kernel.org/r/201211161520.03974.a...@arndb.de is valuable
to me, and I will/should reference it.
Oh, excuse me, I can not access
On Sunday 08 December 2013 18:25:30 Chen Gang wrote:
Assembler messages:
Error: unrecognized option -minim
make[2]: *** [crtbegin.o] Error 1
make[2]: *** Waiting for unfinished jobs
Did you use meta2_defconfig in buildroot as I suggested?
It has --enable-meta-default in
On 20/12/13 10:20, Chen Gang wrote:
Hmm... but do you know why we need some 64-bit functions which are
implemented under arch/metag/lib/*.S? can we use linux/math64.h
instead of them? (e.g 64-bit '/').
If you look at linux/math64.h you'll see it only implements division
operations. The other
On 10/01/14 15:57, Chen Gang wrote:
On 01/08/2014 11:01 PM, Chen Gang wrote:
On 01/06/2014 06:31 PM, James Hogan wrote:
I suspect this is due to bad assumptions in the code. The metag ABI is
unusual in padding the size of structs to a 32bit boundary even if all
members are 32bit
single function call IPI.
Chen Gang (1):
metag: topology: export 'cpu_core_map'
Geert Uytterhoeven (1):
metag/smp: Make boot_secondary() static
James Hogan (2):
metag: dma: remove dead code in dma_alloc_init
Gleixner t...@linutronix.de
Cc: James Hogan james.ho...@imgtec.com
Cc: metag linux-metag@vger.kernel.org
---
arch/metag/kernel/irq.c | 20 +++-
1 file changed, 3 insertions(+), 17 deletions(-)
Index: tip/arch/metag/kernel/irq.c
On 28 April 2014 20:21, Helge Deller del...@gmx.de wrote:
Dear metag people,
on the parisc arch we found a problem with GNU make, that our process stacks
became too big so that many debian packages didn't built because not enough
threads (started via GNU make) could be created.
The final
/exec.c:589/shift_arg_pages()!
Signed-off-by: Helge Deller del...@gmx.de
Signed-off-by: James Hogan james.ho...@imgtec.com
Cc: linux-par...@vger.kernel.org
Cc: linux-metag@vger.kernel.org
Cc: John David Anglin dave.ang...@bell.net
Cc: sta...@vger.kernel.org
---
v2 (James Hogan):
- updated
On 28/04/14 20:21, Helge Deller wrote:
Dear metag people,
on the parisc arch we found a problem with GNU make, that our process stacks
became too big so that many debian packages didn't built because not enough
threads (started via GNU make) could be created.
The final solution was to
On 16/09/14 18:39, Al Viro wrote:
On Tue, Sep 16, 2014 at 01:07:35PM +0100, James Hogan wrote:
Commit d6bb3e9075bb (vfs: simplify and shrink stack frame of
link_path_walk()) introduced build problems with GCC versions older than
4.6 due to the initialisation of a member of an anonymous union
to Linux. These are represented with
placeholder clocks.
Signed-off-by: James Hogan james.ho...@imgtec.com
Cc: Mike Turquette mturque...@linaro.org
Cc: Rob Herring robh...@kernel.org
Cc: Pawel Moll pawel.m...@arm.com
Cc: Mark Rutland mark.rutl...@arm.com
Cc: Ian Campbell ijc+devicet
lock when changing the parent.
Signed-off-by: James Hogan james.ho...@imgtec.com
Cc: Mike Turquette mturque...@linaro.org
Cc: linux-metag@vger.kernel.org
---
drivers/clk/tz1090/Makefile | 1 +
drivers/clk/tz1090/clk-tz1090-pdc.c | 185
2 files changed
set bit.
Signed-off-by: James Hogan james.ho...@imgtec.com
Cc: Mike Turquette mturque...@linaro.org
Cc: Rob Herring robh...@kernel.org
Cc: Pawel Moll pawel.m...@arm.com
Cc: Mark Rutland mark.rutl...@arm.com
Cc: Ian Campbell ijc+devicet...@hellion.org.uk
Cc: Kumar Gala ga...@codeaurora.org
Cc: linux
Add driver for TZ1090 clock deleter, which deletes up to 1023 out of
every 1024 clock pulses. Two of these exist, one for the Meta core and
the other for the system clock.
Signed-off-by: James Hogan james.ho...@imgtec.com
Cc: Mike Turquette mturque...@linaro.org
Cc: linux-metag@vger.kernel.org
of set bits in the bit-mask, and the clocks and
clock-output-names arrays list the clocks/names from the least
significant set bit in the mask to the most significant set bit.
Signed-off-by: James Hogan james.ho...@imgtec.com
Cc: Mike Turquette mturque...@linaro.org
Cc: Rob Herring robh...@kernel.org
Cc
, but the arrangement of the fields in the
registers is I believe specific to the TZ1090 SoC.
The driver supports recalc_rate, round_rate, and set_rate operations.
Signed-off-by: James Hogan james.ho...@imgtec.com
Cc: Mike Turquette mturque...@linaro.org
Cc: linux-metag@vger.kernel.org
---
drivers/clk
Expose a new function clk_register_divider_mask to set up a mask based
divider. This will be used by the upcoming TZ1090 divider driver whose
DT binding takes a mask rather than a shift and width.
Signed-off-by: James Hogan james.ho...@imgtec.com
Cc: Mike Turquette mturque...@linaro.org
.
Signed-off-by: Mike Turquette mturque...@linaro.org
[james.ho...@imgtec.com: forward port, fix new uses of width]
Signed-off-by: James Hogan james.ho...@imgtec.com
Tested-by: Shawn Guo shawn@linaro.org
Tested-by: Heiko Stuebner he...@sntech.de
Reviewed-by: Heiko Stuebner he...@sntech.de
Cc
Add simple device tree binding for TZ1090 PLL clock. It takes a couple
of registers, and has a single reference clock source.
Signed-off-by: James Hogan james.ho...@imgtec.com
Cc: Mike Turquette mturque...@linaro.org
Cc: Rob Herring robh...@kernel.org
Cc: Pawel Moll pawel.m...@arm.com
Cc: Mark
On 20/11/14 11:19, Tero Kristo wrote:
On 11/20/2014 01:15 AM, James Hogan wrote:
- Updated assignment of clk_divider::width in imx, rockchip, st, sunxi,
ti clock components to use mask instead (not tested), using the
following semantic patch:
Hi James/Mike,
This patch currently
there.
Am Mittwoch, 19. November 2014, 23:15:43 schrieb James Hogan:
Enable the common clock framework for the TZ1090 SoC, add a tz1090_clk
device tree file describing the clocks, and connect the Meta core clock
so that the rate of the Meta timer can be determined.
Most of the clock tree
On 24/11/14 23:03, Heiko Stübner wrote:
Am Freitag, 21. November 2014, 10:06:47 schrieb James Hogan:
On Thu, Nov 20, 2014 at 01:56:24PM +0100, Heiko Stübner wrote:
I don't know enough about your clock structure, but it looks quite a bit
like Mike's mail from May [0] may apply here too
...@arm.com
Cc: Pawel Moll pawel.m...@arm.com
Cc: Rob Herring robh...@kernel.org
Cc: Heiko Stuebner he...@sntech.de
Cc: linux-metag@vger.kernel.org
Cc: devicet...@vger.kernel.org
James Hogan (16):
clk: tz1090: add clock provider common code
clk: tz1090: add gate bank clock driver
clk: tz1090: add mux
infrastructure)
- hep_cru (img,tz1090-hep-cru, high end peripheral clocks)
- perip_cru (img,tz1090-perip-cru, system clock to peripherals)
Signed-off-by: James Hogan james.ho...@imgtec.com
Cc: Mike Turquette mturque...@linaro.org
Cc: Rob Herring robh...@kernel.org
Cc: Pawel Moll pawel.m...@arm.com
Connect the Meta core clock to the root DT node so that the precise rate
of the Meta timer can be determined.
Signed-off-by: James Hogan james.ho...@imgtec.com
Cc: Mike Turquette mturque...@linaro.org
Cc: Rob Herring robh...@kernel.org
Cc: Pawel Moll pawel.m...@arm.com
Cc: Mark Rutland mark.rutl
The TZ1090 High End Peripheral (HEP) register region controls several
clocks for the HEP peripherals.
The set up is pretty straight forward, with only a clock gate bank
(HEP_CLK_EN) needing to be configured.
Signed-off-by: James Hogan james.ho...@imgtec.com
Cc: Mike Turquette mturque
clocks, and
the DDR enable clock which is fed back into the TOP clocks for dividing
down.
Signed-off-by: James Hogan james.ho...@imgtec.com
Cc: Mike Turquette mturque...@linaro.org
Cc: Rob Herring robh...@kernel.org
Cc: Pawel Moll pawel.m...@arm.com
Cc: Mark Rutland mark.rutl...@arm.com
Cc: Ian
clock, and multiple
peripheral specific system clocks provided which should be referenced by
the relevant peripheral device nodes.
Signed-off-by: James Hogan james.ho...@imgtec.com
Cc: Mike Turquette mturque...@linaro.org
Cc: Rob Herring robh...@kernel.org
Cc: Pawel Moll pawel.m...@arm.com
Cc: Mark
frequency system clock can be used as a source rather than the main
external oscillator, in order to get a more accurate baud rate.
- The main system clock divider which is flagged with
CLK_DIVIDER_READ_ONLY to prevent the system clock being altered.
Signed-off-by: James Hogan james.ho...@imgtec.com
Cc
-by: James Hogan james.ho...@imgtec.com
Cc: Mike Turquette mturque...@linaro.org
Cc: linux-metag@vger.kernel.org
---
Changes since v1 (patch 15):
- New patch.
- Convert explicit DT representation of clock infrastructure using
generic bindings to several TZ1090 specific bindings representing
to use
the Meta exclusive lock when reconfiguring.
Signed-off-by: James Hogan james.ho...@imgtec.com
Cc: Mike Turquette mturque...@linaro.org
Cc: linux-metag@vger.kernel.org
---
Changes since v1 (patch 12):
- Split out wrapped (meta exclusive locked) divider into patch 5.
- Switch to using common
in tz1090/clk.h to aid the creation of this data. For example:
static const struct tz1090_clk_pll plls[] __initconst = {
PLL(CLK_TOP_SYSPLL, sys_sw, sys_pll, TOP_SYSPLL_CTL0),
...
};
...
tz1090_clk_register_plls(p, plls, ARRAY_SIZE(plls));
Signed-off-by: James Hogan james.ho
file in dt-bindings/clock/ for enumerating the provided clocks.
It essentially has just two clock inputs (xtal1 and xtal3), and two
clock outputs, of which only 32khz is likely to be used.
Signed-off-by: James Hogan james.ho...@imgtec.com
Cc: Mike Turquette mturque...@linaro.org
Cc: Rob Herring robh
(CLK_PDC_XTAL1_DIV, @xtal1, xtal1_div, PDC_SOC0,
11, 16),
...
};
...
tz1090_clk_register_dividers(p, dividers, ARRAY_SIZE(dividers));
Signed-off-by: James Hogan james.ho...@imgtec.com
Cc: Mike Turquette mturque...@linaro.org
Cc: linux-metag@vger.kernel.org
---
Changes since v1
),
...
};
...
tz1090_clk_register_deleters(p, deleters, ARRAY_SIZE(deleters));
Signed-off-by: James Hogan james.ho...@imgtec.com
Cc: Mike Turquette mturque...@linaro.org
Cc: linux-metag@vger.kernel.org
---
Changes since v1 (patch 10):
- Renamed function prefixes from clk_tz1090_ to tz1090_clk_ for
consistency with the rest.
- Drop DT
(tz1090_perip_clken, 0, PERIP_CLKEN,
/* bit in out */
GATE( 0, @sys, sys_scb0)
GATE( 1, @sys, sys_scb1)
GATE( 2, @sys, sys_scb2)
...
);
...
clk_register_gate_bank(p, tz1090_perip_clken);
Signed-off-by: James Hogan james.ho...@imgtec.com
Cc: Mike Turquette mturque
, tz1090_top_clkswitch);
Signed-off-by: James Hogan james.ho...@imgtec.com
Cc: Mike Turquette mturque...@linaro.org
Cc: linux-metag@vger.kernel.org
---
Changes since v1 (patch 8):
- Renamed function prefixes from clk_tz1090_ to tz1090_clk_ for
consistency with the rest.
- Drop DT binding
with '@' are used directly as the parent
clock name. This is intended for other clocks within the clock provider.
Signed-off-by: James Hogan james.ho...@imgtec.com
Cc: Mike Turquette mturque...@linaro.org
Cc: linux-metag@vger.kernel.org
---
New patch in v2
---
drivers/clk/Makefile| 1 +
drivers
On 16/12/14 06:55, Guenter Roeck wrote:
On 12/15/2014 10:44 PM, Andrew Morton wrote:
On Mon, 15 Dec 2014 22:35:49 -0800 Guenter Roeck li...@roeck-us.net
wrote:
On Tue, Dec 16, 2014 at 03:46:22PM +1100, Stephen Rothwell wrote:
Hi all,
Please do not add any code destined for v3.20 to your
On 28/12/14 06:01, Axel Lin wrote:
Signed-off-by: Axel Lin axel@ingics.com
Thanks, both patches
Acked-by: James Hogan james.ho...@imgtec.com
Note that the previous off-by-one behaviour should be harmless since the
SoC IO memory region is unmapped on Meta (i.e. the ioremap becomes a
no-op
;
\
same here (this one causes a checkpatch error due to 80 column limit)
__gu_err; \
})
With those changes,
Acked-by: James Hogan james.ho...@imgtec.com
Cheers
James
signature.asc
Description: OpenPGP
) = (__force __typeof__(*(ptr)))__gu_val;
\
same here (this one causes checkpatch error due to 80 column limit).
__gu_err; \
})
With those changes,
Acked-by: James Hogan james.ho...@imgtec.com
Cheers
Hi,
On 01/12/14 23:19, James Hogan wrote:
This patchset adds common clock framework support for the TZ1090 SoC.
Any further comments on these patches? It'd be nice to be able to get
them into v3.20 if possible.
Cheers
James
Patch 1 adds common code to simplify TZ1090 clock providers
Hi Alex,
On 16/03/15 13:13, Alex Dowad wrote:
The 'arg' argument to copy_thread() is only ever used when forking a new
kernel thread. Hence, rename it to 'kthread_arg' for clarity.
Signed-off-by: Alex Dowad alexinbeij...@gmail.com
---
James Hogan,
Thanks for reviewing this patch
On 16/03/15 14:38, Alex Dowad wrote:
The 'arg' argument to copy_thread() is only ever used when forking a new
kernel thread. Hence, rename it to 'kthread_arg' for clarity.
Signed-off-by: Alex Dowad alexinbeij...@gmail.com
---
Fixed problem with whitespace, sending again. AD
problem when using
ioremap_wc() from asm/io.h without also including asm/pgtable.h.
James Hogan (1):
metag: Fix ioremap_wc/ioremap_cached build errors
arch/metag/include/asm/io.h | 1 +
arch/metag/include/asm/pgtable
On 23/03/15 21:02, Stephen Rothwell wrote:
Hi Greg,
On Mon, 23 Mar 2015 20:54:01 +0100 Greg Kroah-Hartman
gre...@linuxfoundation.org wrote:
On Mon, Mar 23, 2015 at 12:26:15PM +, James Hogan wrote:
When ioremap_wc() or ioremap_cached() are used without first including
asm/pgtable.h
), and include that in io.h instead.
Signed-off-by: James Hogan james.ho...@imgtec.com
Cc: linux-metag@vger.kernel.org
Cc: Abhilash Kesavan a.kesa...@samsung.com
Cc: Greg Kroah-Hartman gre...@linuxfoundation.org
---
GregKH: I can apply this patch to the metag tree for 4.0. However commit
.
James Hogan (1):
metag: Fix KSTK_EIP() and KSTK_ESP() macros
arch/metag/include/asm/processor.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
signature.asc
Description: OpenPGP digital signature
in a crash when SMP is configured with 4KiB
stacks, as soon as the first interrupt arrived on a secondary CPU.
Fix with calls to irq_ctx_exit()/irq_ctx_exit() when bringing up/down a
CPU.
Signed-off-by: James Hogan <james.ho...@imgtec.com>
Cc: linux-metag@vger.kernel.org
---
arch/metag/
state, and the
second is just a small clean up to avoid bit rot.
James Hogan (2):
metag: SMP: Fix 4KiB stack setup on secondary CPUs
metag: Turn irq_ctx_* macros into static inlines
arch/metag/include/asm/irq.h | 8 ++--
arch/metag/kernel/smp.c | 2 ++
2 files changed, 8 insertions(+), 2
reality.
Signed-off-by: James Hogan <james.ho...@imgtec.com>
Cc: linux-metag@vger.kernel.org
---
MAINTAINERS | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/MAINTAINERS b/MAINTAINERS
index 7ba7ab749c85..dc5de44fb50d 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -6846,7 +
FYI, for reference I've created a new metag-legacy.git repository
containing the final official release of MetaLinux, from July 2013:
https://git.kernel.org/cgit/linux/kernel/git/jhogan/metag-legacy.git/
It's based on v3.10 and adds a few more arch features, fuller support
for various Meta SoCs
with SMP, and a change of maintenance status to
"Odd Fixes".
--------
James Hogan (3):
metag: SMP: Fix 4KiB stack setup on secondary CPUs
metag: Turn irq_ctx_* macros into static inlines
MAINTAINERS: Change Meta
0578a28 100644
> --- a/include/linux/page-flags.h
> +++ b/include/linux/page-flags.h
> @@ -7,8 +7,8 @@
>
> #include
> #include
> -#include
> #ifndef __GENERATING_BOUNDS_H
> +#include
> #include
> #include
> #endif /* !__GENERATING_BOUNDS_H */
Same build
its already inconsistent
tabs/spaces, but it'd be nice if the definitions at least still all
lined up. You're touching all the definitions which use spaces anyway,
so feel free to convert them to tabs while you're at it.
Other than those niggles, it looks sensible to me:
Acked-by: James Hogan <j
Hi Peter,
On Mon, Jan 04, 2016 at 02:41:28PM +0100, Peter Zijlstra wrote:
> On Thu, Dec 31, 2015 at 09:08:22PM +0200, Michael S. Tsirkin wrote:
> > +#ifdef CONFIG_SMP
> > +#define fence() metag_fence()
> > +#else
> > +#define fence()do { } while (0)
> > #endif
>
> James, it strikes
On Mon, Jan 04, 2016 at 04:30:36PM +0100, Peter Zijlstra wrote:
> On Mon, Jan 04, 2016 at 03:25:58PM +0000, James Hogan wrote:
> > It is used along with the metag specific __global_lock1() (global
> > voluntary lock between hw threads) whenever a write is performed, and by
>
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