10723 Commits

Author SHA1 Message Date
Aaro Koskinen
4089caa7d0
MIPS: OCTEON: delete redundant register definitions
For most OCTEON SoCs there is a repeated and redundant register definition
for almost every hardware register, although the register bit fields
would not differ from other SoCs. Since the driver code should use only
one definition for simplicity, these other fields are just redundant
and can be deleted.

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Paul Burton <paul.burton@mips.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: James Hogan <jhogan@kernel.org>
Cc: linux-mips@vger.kernel.org
2018-12-04 15:57:30 -08:00
Aaro Koskinen
036d0823ce
MIPS: OCTEON: cvmx_gmxx_inf_mode: use oldest forward compatible definition
Use oldest forward compatible definition.

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Paul Burton <paul.burton@mips.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: James Hogan <jhogan@kernel.org>
Cc: linux-mips@vger.kernel.org
2018-12-04 15:55:30 -08:00
Aaro Koskinen
2bb1771370
MIPS: OCTEON: cvmx_mio_fus_dat3: use oldest forward compatible definition
Chips up to cn5xxx are compatible with cn38xx. All cn6xxx chips, and also
cnf71xx, are compatible with cn61xx.

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Paul Burton <paul.burton@mips.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: James Hogan <jhogan@kernel.org>
Cc: linux-mips@vger.kernel.org
2018-12-04 15:54:17 -08:00
Aaro Koskinen
1c6121c396
MIPS: OCTEON: cvmx_pko_mem_debug8: use oldest forward compatible definition
cn58xx is compatible with cn50xx, so use the latter.

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
[paul.burton@mips.com: s/cn52xx/cn50xx/ in commit message.]
Signed-off-by: Paul Burton <paul.burton@mips.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: James Hogan <jhogan@kernel.org>
Cc: linux-mips@vger.kernel.org
2018-12-04 15:51:12 -08:00
Aaro Koskinen
8b5c4eb171
MIPS: OCTEON: octeon-usb: use common gpio_bit definition
cvmx_gpio_bit_cfgx bitfields are indentical on cn70xx and cn73xx,
and also match the default definition. So use that instead.

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Paul Burton <paul.burton@mips.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: James Hogan <jhogan@kernel.org>
Cc: linux-mips@vger.kernel.org
2018-12-04 15:48:57 -08:00
Aaro Koskinen
99cffb4e43
MIPS: OCTEON: enable all OCTEON drivers in defconfig
Enable all OCTEON drivers in defconfig. Currently oct_ilm and octeon-rng
are still missing; enable those to get them included in kernel builds.

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Paul Burton <paul.burton@mips.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: James Hogan <jhogan@kernel.org>
Cc: linux-mips@vger.kernel.org
2018-12-04 15:47:03 -08:00
Mathieu Malaterre
69095e3900
mips: annotate implicit fall throughs
There is a plan to build the kernel with -Wimplicit-fallthrough and
these places in the code produced warnings. Fix them up.

This patch produces no change in behaviour, but should be reviewed in
case these are actually bugs not intentional fallthoughs.

Signed-off-by: Mathieu Malaterre <malat@debian.org>
Signed-off-by: Paul Burton <paul.burton@mips.com>
Cc: Kees Cook <keescook@google.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: James Hogan <jhogan@kernel.org>
Cc: linux-mips@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
2018-12-03 13:42:38 -08:00
Linus Torvalds
6c7954b7eb A few more MIPS fixes for 4.20:
- Fix mips_get_syscall_arg() to operate on the task specified when
    detecting o32 tasks running on MIPS64 kernels.
 
  - Fix some incorrect GPIO pin muxing for the MT7620 SoC.
 
  - Update the linux-mips mailing list address.
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Merge tag 'mips_fixes_4.20_4' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux

Pull few more MIPS fixes from Paul Burton:

 - Fix mips_get_syscall_arg() to operate on the task specified when
   detecting o32 tasks running on MIPS64 kernels.

 - Fix some incorrect GPIO pin muxing for the MT7620 SoC.

 - Update the linux-mips mailing list address.

* tag 'mips_fixes_4.20_4' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux:
  MAINTAINERS: Update linux-mips mailing list address
  MIPS: ralink: Fix mt7620 nd_sd pinmux
  mips: fix mips_get_syscall_arg o32 check
2018-11-30 18:41:06 -08:00
Linus Torvalds
0f1f692375 While rewriting the function graph tracer, I discovered a design flaw that
was introduced by a patch that tried to fix one bug, but by doing so created
 another bug. As both bugs corrupt the output (but they do not crash the
 kernel), I decided to fix the design such that it could have both bugs
 fixed. The original fix, fixed time reporting of the function graph tracer
 when doing a max_depth of one. This was code that can test how much the
 kernel interferes with userspace. But in doing so, it could corrupt the time
 keeping of the function profiler.
 
 The issue is that the curr_ret_stack variable was being used for two
 different meanings. One was to keep track of the stack pointer on the
 ret_stack (shadow stack used by the function graph tracer), and the other
 use case was the graph call depth.  Although, the two may be closely
 related, where they got updated was the issue that lead to the two different
 bugs that required the two use cases to be updated differently.
 
 The big issue with this fix is that it requires changing each architecture.
 The good news is, I was able to remove a lot of code that was duplicated
 within the architectures and place it into a single location. Then I could
 make the fix in one place.
 
 I pushed this code into linux-next to let it settle over a week, and before
 doing so, I cross compiled all the affected architectures to make sure that
 they built fine.
 
 In the mean time, I also pulled in a patch that fixes the sched_switch
 previous tasks state output, that was not actually correct.
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Merge tag 'trace-v4.20-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace

Pull tracing fixes from Steven Rostedt:
 "While rewriting the function graph tracer, I discovered a design flaw
  that was introduced by a patch that tried to fix one bug, but by doing
  so created another bug.

  As both bugs corrupt the output (but they do not crash the kernel), I
  decided to fix the design such that it could have both bugs fixed. The
  original fix, fixed time reporting of the function graph tracer when
  doing a max_depth of one. This was code that can test how much the
  kernel interferes with userspace. But in doing so, it could corrupt
  the time keeping of the function profiler.

  The issue is that the curr_ret_stack variable was being used for two
  different meanings. One was to keep track of the stack pointer on the
  ret_stack (shadow stack used by the function graph tracer), and the
  other use case was the graph call depth. Although, the two may be
  closely related, where they got updated was the issue that lead to the
  two different bugs that required the two use cases to be updated
  differently.

  The big issue with this fix is that it requires changing each
  architecture. The good news is, I was able to remove a lot of code
  that was duplicated within the architectures and place it into a
  single location. Then I could make the fix in one place.

  I pushed this code into linux-next to let it settle over a week, and
  before doing so, I cross compiled all the affected architectures to
  make sure that they built fine.

  In the mean time, I also pulled in a patch that fixes the sched_switch
  previous tasks state output, that was not actually correct"

* tag 'trace-v4.20-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
  sched, trace: Fix prev_state output in sched_switch tracepoint
  function_graph: Have profiler use curr_ret_stack and not depth
  function_graph: Reverse the order of pushing the ret_stack and the callback
  function_graph: Move return callback before update of curr_ret_stack
  function_graph: Use new curr_ret_depth to manage depth instead of curr_ret_stack
  function_graph: Make ftrace_push_return_trace() static
  sparc/function_graph: Simplify with function_graph_enter()
  sh/function_graph: Simplify with function_graph_enter()
  s390/function_graph: Simplify with function_graph_enter()
  riscv/function_graph: Simplify with function_graph_enter()
  powerpc/function_graph: Simplify with function_graph_enter()
  parisc: function_graph: Simplify with function_graph_enter()
  nds32: function_graph: Simplify with function_graph_enter()
  MIPS: function_graph: Simplify with function_graph_enter()
  microblaze: function_graph: Simplify with function_graph_enter()
  arm64: function_graph: Simplify with function_graph_enter()
  ARM: function_graph: Simplify with function_graph_enter()
  x86/function_graph: Simplify with function_graph_enter()
  function_graph: Create function_graph_enter() to consolidate architecture code
2018-11-30 09:32:34 -08:00
Steven Rostedt (VMware)
8712b27c57 MIPS: function_graph: Simplify with function_graph_enter()
The function_graph_enter() function does the work of calling the function
graph hook function and the management of the shadow stack, simplifying the
work done in the architecture dependent prepare_ftrace_return().

Have MIPS use the new code, and remove the shadow stack management as well as
having to set up the trace structure.

This is needed to prepare for a fix of a design bug on how the curr_ret_stack
is used.

Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Paul Burton <paul.burton@mips.com>
Cc: James Hogan <jhogan@kernel.org>
Cc: linux-mips@linux-mips.org
Cc: stable@kernel.org
Fixes: 03274a3ffb449 ("tracing/fgraph: Adjust fgraph depth before calling trace return callback")
Reviewed-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
2018-11-27 20:30:36 -05:00
Paul Burton
1aeba347b3
MIPS: Hardcode cpu_has_mips* where target ISA allows
In the same vein as commit 93e01942a6eb ("MIPS: Hardcode cpu_has_* where
known at compile time due to ISA"), we can use our knowledge of the ISA
being targeted by the kernel build to make cpu_has_mips* macros
compile-time constant in some cases. This allows the compiler greater
opportunity to optimize out code which will never execute.

Signed-off-by: Paul Burton <paul.burton@mips.com>
Patchwork: https://patchwork.linux-mips.org/patch/21245/
Cc: linux-mips@linux-mips.org
2018-11-26 22:49:20 -08:00
Paul Burton
f08153186c
MIPS: MT: Remove norps command line parameter
The "norps" kernel command line parameter has apparently been deprecated
ever since it was added to the kernel back in 2006 - all it does is
print a message telling the user to use something else.

Remove the long dead "norps" parameter.

Signed-off-by: Paul Burton <paul.burton@mips.com>
Patchwork: https://patchwork.linux-mips.org/patch/21244/
Cc: linux-mips@linux-mips.org
2018-11-26 22:49:14 -08:00
Mathias Kresin
7d35baa4e9
MIPS: ralink: Fix mt7620 nd_sd pinmux
In case the nd_sd group is set to the sd-card function, Pins 45 + 46 are
configured as GPIOs. If they are blocked by the sd function, they can't
be used as GPIOs.

Reported-by: Kristian Evensen <kristian.evensen@gmail.com>
Signed-off-by: Mathias Kresin <dev@kresin.me>
Signed-off-by: Paul Burton <paul.burton@mips.com>
Fixes: f576fb6a0700 ("MIPS: ralink: cleanup the soc specific pinmux data")
Patchwork: https://patchwork.linux-mips.org/patch/21220/
Cc: John Crispin <john@phrozen.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: James Hogan <jhogan@kernel.org>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Cc: stable@vger.kernel.org # v3.18+
2018-11-26 10:19:38 -08:00
David S. Miller
b1bf78bfb2 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-11-24 17:01:43 -08:00
Christoph Hellwig
6630a8e501 eisa: consolidate EISA Kconfig entry in drivers/eisa
Let architectures opt into EISA support by selecting HAVE_EISA and
handle everything else in drivers/eisa.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Paul Burton <paul.burton@mips.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2018-11-23 11:46:22 +09:00
Christoph Hellwig
1753d50c9f rapidio: consolidate RAPIDIO config entry in drivers/rapidio
There is no good reason to duplicate the RAPIDIO menu in various
architectures.  Instead provide a selectable HAVE_RAPIDIO symbol
that indicates native availability of RAPIDIO support and the handle
the rest in drivers/pci.  This also means we now provide support
for PCI(e) to Rapidio bridges for every architecture instead of a
limited subset.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Paul Burton <paul.burton@mips.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2018-11-23 11:46:13 +09:00
Christoph Hellwig
8fb71ef9b9 pcmcia: allow PCMCIA support independent of the architecture
There is nothing architecture specific in the PCMCIA core, so allow
building it everywhere.  The actual host controllers will depend on ISA,
PCI or a specific SOC.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Dominik Brodowski <linux@dominikbrodowski.net>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Paul Burton <paul.burton@mips.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2018-11-23 11:46:00 +09:00
Christoph Hellwig
2eac9c2dfb PCI: consolidate the PCI_DOMAINS and PCI_DOMAINS_GENERIC config options
Move the definitions to drivers/pci and let the architectures select
them.  Two small differences to before: PCI_DOMAINS_GENERIC now selects
PCI_DOMAINS, cutting down the churn for modern architectures.  As the
only architectured arm did previously also offer PCI_DOMAINS as a user
visible choice in addition to selecting it from the relevant configs,
this is gone now.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Paul Burton <paul.burton@mips.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2018-11-23 11:45:44 +09:00
Christoph Hellwig
eb01d42a77 PCI: consolidate PCI config entry in drivers/pci
There is no good reason to duplicate the PCI menu in every architecture.
Instead provide a selectable HAVE_PCI symbol that indicates availability
of PCI support, and a FORCE_PCI symbol to for PCI on and the handle the
rest in drivers/pci.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Palmer Dabbelt <palmer@sifive.com>
Acked-by: Max Filippov <jcmvbkbc@gmail.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Paul Burton <paul.burton@mips.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2018-11-23 11:45:34 +09:00
Christoph Hellwig
437f2b8c20 MIPS: remove the HT_PCI config option
This option is always selected from LOONGSON_MACH3X.  Switch to just
seleting PCI from that option and definining LOONGSON_PCIIO_BASE based
on CONFIG_LOONGSON_MACH3X.  PCI already selects PCI_DOMAINS.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Paul Burton <paul.burton@mips.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2018-11-23 11:45:26 +09:00
Paul Burton
66a4059ba7
MIPS: Only include mmzone.h when CONFIG_NEED_MULTIPLE_NODES=y
MIPS' asm/mmzone.h includes the machine/platform mmzone.h
unconditionally, but since commit bb53fdf395ee ("MIPS: c-r4k: Add
r4k_blast_scache_node for Loongson-3") is included by asm/rk4cache.h for
all r4k-style configs regardless of CONFIG_NEED_MULTIPLE_NODES.

This is problematic when CONFIG_NEED_MULTIPLE_NODES=n because both the
loongson3 & ip27 mmzone.h headers unconditionally define the NODE_DATA
preprocessor macro which is aready defined by linux/mmzone.h, resulting
in the following build error:

  In file included from ./arch/mips/include/asm/mmzone.h:10,
                   from ./arch/mips/include/asm/r4kcache.h:23,
                   from arch/mips/mm/c-r4k.c:33:
  ./arch/mips/include/asm/mach-loongson64/mmzone.h:48: error: "NODE_DATA" redefined [-Werror]
   #define NODE_DATA(n)  (&__node_data[(n)]->pglist)

  In file included from ./include/linux/topology.h:32,
                   from ./include/linux/irq.h:19,
                   from ./include/asm-generic/hardirq.h:13,
                   from ./arch/mips/include/asm/hardirq.h:16,
                   from ./include/linux/hardirq.h:9,
                   from arch/mips/mm/c-r4k.c:11:
  ./include/linux/mmzone.h:907: note: this is the location of the previous definition
   #define NODE_DATA(nid)  (&contig_page_data)

Resolve this by only including the machine mmzone.h when
CONFIG_NEED_MULTIPLE_NODES=y, which also removes the need for the empty
mach-generic version of the header which we delete.

Signed-off-by: Paul Burton <paul.burton@mips.com>
Fixes: bb53fdf395ee ("MIPS: c-r4k: Add r4k_blast_scache_node for Loongson-3")
2018-11-21 19:54:59 -08:00
Paul Burton
c0436b5035
MIPS: Enable dead code elimination
Select CONFIG_HAVE_LD_DEAD_CODE_DATA_ELIMINATION for MIPS, allowing the
user to enable dead code elimination. In order for this to work, ensure
that we keep the data bus exception table & the machine list by
annotating them with KEEP.

This shrinks both 32r2el_defconfig & 64r6el_defconfig builds by ~6%, as
shown by numbers from scripts/bloat-o-meter:

          | 32r2el_defconfig | 64r6el_defconfig
  --------|------------------|------------------
   No DCE | 8919864          | 8286307
      DCE | 8338988 (-6.51%) | 7741808 (-6.57%)

Signed-off-by: Paul Burton <paul.burton@mips.com>
Patchwork: https://patchwork.linux-mips.org/patch/21187/
Cc: linux-mips@linux-mips.org
2018-11-21 15:36:49 -08:00
Aaro Koskinen
1feba8df94
MIPS: OCTEON: cvmx-ciu2-defs.h: delete unused unions
Delete unused unions.

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Paul Burton <paul.burton@mips.com>
Patchwork: https://patchwork.linux-mips.org/patch/21201/
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: James Hogan <jhogan@kernel.org>
Cc: linux-mips@linux-mips.org
2018-11-21 15:36:49 -08:00
Aaro Koskinen
3a048cde6b
MIPS: OCTEON: cvmx-ciu2-defs.h: delete unused macros
Delete unused macros.

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Paul Burton <paul.burton@mips.com>
Patchwork: https://patchwork.linux-mips.org/patch/21199/
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: James Hogan <jhogan@kernel.org>
Cc: linux-mips@linux-mips.org
2018-11-21 15:36:49 -08:00
Aaro Koskinen
4815c6d77d
MIPS: OCTEON: cvmx-gmxx-defs.h: use default register value return when possible
If we are about to return the same register address that would
be the default anyway, fallback to default return instead of adding
a case label.

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Paul Burton <paul.burton@mips.com>
Patchwork: https://patchwork.linux-mips.org/patch/21200/
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: James Hogan <jhogan@kernel.org>
Cc: linux-mips@linux-mips.org
2018-11-21 15:36:48 -08:00
Aaro Koskinen
5e605d2efe
MIPS: OCTEON: cvmx-gmxx-defs.h: delete unused union fields
When register definition is identical on all OCTEONs, we can trivially
delete the model specific union fields.

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Paul Burton <paul.burton@mips.com>
Patchwork: https://patchwork.linux-mips.org/patch/21203/
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: James Hogan <jhogan@kernel.org>
Cc: linux-mips@linux-mips.org
2018-11-21 15:36:48 -08:00
Aaro Koskinen
453022b401
MIPS: OCTEON: cvmx-gmxx-defs.h: delete unused unions
Delete unused unions.

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Paul Burton <paul.burton@mips.com>
Patchwork: https://patchwork.linux-mips.org/patch/21197/
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: James Hogan <jhogan@kernel.org>
Cc: linux-mips@linux-mips.org
2018-11-21 15:36:48 -08:00
Aaro Koskinen
007ed77f3d
MIPS: OCTEON: gmxx-defs.h: delete unused functions and macros
Delete unused functions and macros.

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Paul Burton <paul.burton@mips.com>
Patchwork: https://patchwork.linux-mips.org/patch/21198/
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: James Hogan <jhogan@kernel.org>
Cc: linux-mips@linux-mips.org
2018-11-21 15:36:47 -08:00
Aaro Koskinen
e0f171ebd4
MIPS: OCTEON: delete cvmx override functions
Delete cmvx override functions, they are not used.

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Paul Burton <paul.burton@mips.com>
Patchwork: https://patchwork.linux-mips.org/patch/21196/
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: James Hogan <jhogan@kernel.org>
Cc: linux-mips@linux-mips.org
2018-11-21 15:36:47 -08:00
Aaro Koskinen
a1afedbc3f
MIPS: OCTEON: cvmx-bootmem: make more functions static
Make cvmx_bootmem_phy_named_block_find/free() static.

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Paul Burton <paul.burton@mips.com>
Patchwork: https://patchwork.linux-mips.org/patch/21190/
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: James Hogan <jhogan@kernel.org>
Cc: linux-mips@linux-mips.org
2018-11-21 15:36:47 -08:00
Aaro Koskinen
bf2d401c8b
MIPS: OCTEON: cvmx-bootmem: move code to avoid forward declarations
Move code to avoid forward declarations.

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Paul Burton <paul.burton@mips.com>
Patchwork: https://patchwork.linux-mips.org/patch/21193/
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: James Hogan <jhogan@kernel.org>
Cc: linux-mips@linux-mips.org
2018-11-21 15:36:47 -08:00
Aaro Koskinen
3e431666a7
MIPS: OCTEON: cvmx-bootmem: delete unused functions
Delete unused functions.

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Paul Burton <paul.burton@mips.com>
Patchwork: https://patchwork.linux-mips.org/patch/21191/
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: James Hogan <jhogan@kernel.org>
Cc: linux-mips@linux-mips.org
2018-11-21 15:36:46 -08:00
Aaro Koskinen
5f35b33ac4
MIPS: OCTEON: make cvmx_bootmem_alloc_range static
Make cvmx_bootmem_alloc_range() static, it's not used outside the file.

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Paul Burton <paul.burton@mips.com>
Patchwork: https://patchwork.linux-mips.org/patch/21195/
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: James Hogan <jhogan@kernel.org>
Cc: linux-mips@linux-mips.org
2018-11-21 15:36:46 -08:00
Aaro Koskinen
1830446378
MIPS: OCTEON: cvmx-helper-util: make cvmx_helper_setup_red_queue static
Make cvmx_helper_setup_red_queue static, it's not used outside this file.

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Paul Burton <paul.burton@mips.com>
Patchwork: https://patchwork.linux-mips.org/patch/21194/
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: James Hogan <jhogan@kernel.org>
Cc: linux-mips@linux-mips.org
2018-11-21 15:36:46 -08:00
Aaro Koskinen
f3c541bc7f
MIPS: OCTEON: cvmx-helper-util: delete cvmx_helper_dump_packet
Delete unused cvmx_helper_dump_packet().

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Paul Burton <paul.burton@mips.com>
Patchwork: https://patchwork.linux-mips.org/patch/21212/
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: James Hogan <jhogan@kernel.org>
Cc: linux-mips@linux-mips.org
2018-11-21 15:36:43 -08:00
Aaro Koskinen
51807f641f
MIPS: OCTEON: smp: make internal symbols static
Make internal symbols static.

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Paul Burton <paul.burton@mips.com>
Patchwork: https://patchwork.linux-mips.org/patch/21192/
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: James Hogan <jhogan@kernel.org>
Cc: linux-mips@linux-mips.org
2018-11-21 15:36:43 -08:00
Aaro Koskinen
4d1f011641
MIPS: OCTEON: csrc-octeon: include linux/sched/clock.h
Include linux/sched/clock.h to get the declaration for sched_clock().

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Paul Burton <paul.burton@mips.com>
Patchwork: https://patchwork.linux-mips.org/patch/21189/
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: James Hogan <jhogan@kernel.org>
Cc: linux-mips@linux-mips.org
2018-11-21 15:36:42 -08:00
Aaro Koskinen
bcb64116aa
MIPS: OCTEON: octeon-irq: make octeon_irq_ciu3_set_affinity() static
Make octeon_irq_ciu3_set_affinity() static.

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Paul Burton <paul.burton@mips.com>
Patchwork: https://patchwork.linux-mips.org/patch/21207/
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: James Hogan <jhogan@kernel.org>
Cc: linux-mips@linux-mips.org
2018-11-21 15:36:42 -08:00
Aaro Koskinen
2cf1c8933d
MIPS: OCTEON: octeon-platform: fix typing
Use correct type for fdt_property nameoff field.

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Paul Burton <paul.burton@mips.com>
Patchwork: https://patchwork.linux-mips.org/patch/21204/
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: James Hogan <jhogan@kernel.org>
Cc: linux-mips@linux-mips.org
2018-11-21 15:36:42 -08:00
Aaro Koskinen
fa1d2e3ffa
MIPS: OCTEON: octeon-platform: make octeon_ids static
Make octeon_ids static.

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Paul Burton <paul.burton@mips.com>
Patchwork: https://patchwork.linux-mips.org/patch/21208/
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: James Hogan <jhogan@kernel.org>
Cc: linux-mips@linux-mips.org
2018-11-21 15:36:41 -08:00
Aaro Koskinen
75a9da11fe
MIPS: OCTEON: delete unused loopback configuration functions
Delete unused loopback configuration functions.

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Paul Burton <paul.burton@mips.com>
Patchwork: https://patchwork.linux-mips.org/patch/21205/
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: James Hogan <jhogan@kernel.org>
Cc: linux-mips@linux-mips.org
2018-11-21 15:36:41 -08:00
Aaro Koskinen
a37411024d
MIPS: OCTEON: cvmx-helper: make __cvmx_helper_errata_fix_ipd_ptr_alignment static
Make __cvmx_helper_errata_fix_ipd_ptr_alignment static, it's not used
outside the file.

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Paul Burton <paul.burton@mips.com>
Patchwork: https://patchwork.linux-mips.org/patch/21210/
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: James Hogan <jhogan@kernel.org>
Cc: linux-mips@linux-mips.org
2018-11-21 15:36:41 -08:00
Aaro Koskinen
3533b9acf2
MIPS: OCTEON: setup: include asm/prom.h
Include arm/prom.h to get the declaration of device_tree_init().

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Paul Burton <paul.burton@mips.com>
Patchwork: https://patchwork.linux-mips.org/patch/21202/
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: James Hogan <jhogan@kernel.org>
Cc: linux-mips@linux-mips.org
2018-11-21 15:36:40 -08:00
Aaro Koskinen
ef4f91e637
MIPS: OCTEON: setup: include asm/fw/fw.h
Include asm/fw/fw.h to get the declaration of fw_init_cmdline().

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Paul Burton <paul.burton@mips.com>
Patchwork: https://patchwork.linux-mips.org/patch/21206/
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: James Hogan <jhogan@kernel.org>
Cc: linux-mips@linux-mips.org
2018-11-21 15:36:40 -08:00
Aaro Koskinen
751423be06
MIPS: OCTEON: setup: make internal functions and data static
Make some internal data and functions static to avoid sparse warnings.

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Paul Burton <paul.burton@mips.com>
Patchwork: https://patchwork.linux-mips.org/patch/21211/
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: James Hogan <jhogan@kernel.org>
Cc: linux-mips@linux-mips.org
2018-11-21 15:36:40 -08:00
Aaro Koskinen
6430ba5812
MIPS: OCTEON: cvmx-l2c: make cvmx_l2c_spinlock static
Make cvmx_l2c_spinlock static, it's not used outside the file.

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Paul Burton <paul.burton@mips.com>
Patchwork: https://patchwork.linux-mips.org/patch/21209/
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: James Hogan <jhogan@kernel.org>
Cc: linux-mips@linux-mips.org
2018-11-21 15:36:39 -08:00
c50cbd85cd
mips: fix mips_get_syscall_arg o32 check
When checking for TIF_32BIT_REGS flag, mips_get_syscall_arg() should
use the task specified as its argument instead of the current task.

This potentially affects all syscall_get_arguments() users
who specify tasks different from the current.

Fixes: c0ff3c53d4f99 ("MIPS: Enable HAVE_ARCH_TRACEHOOK.")
Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>
Signed-off-by: Paul Burton <paul.burton@mips.com>
Patchwork: https://patchwork.linux-mips.org/patch/21185/
Cc: Elvira Khabirova <lineprinter@altlinux.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: James Hogan <jhogan@kernel.org>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Cc: stable@vger.kernel.org # v3.13+
2018-11-21 11:21:52 -08:00
Paul Burton
af84c0030b
MIPS: Regenerate defconfigs
A couple of patches have come up recently to remove particular instances
of obsolete Kconfig symbols from defconfigs. Rather than doing this
piecemeal, simply regenerate them all.

Signed-off-by: Paul Burton <paul.burton@mips.com>
References: https://patchwork.linux-mips.org/patch/19635/
References: https://patchwork.linux-mips.org/patch/21156/
Patchwork: https://patchwork.linux-mips.org/patch/21184/
Cc: Anders Roxell <anders.roxell@linaro.org>
Cc: Krzysztof Kozlowski <krzk@kernel.org>
Cc: linux-mips@linux-mips.org
2018-11-20 21:05:40 -08:00
Paul Burton
0b0037490f
MIPS: malta: Use img-ascii-lcd driver for LCD display
Remove the Malta display platform code in favour of probing the
img-ascii-lcd driver via device tree. This reduces the amount of
platform code & the img-ascii-lcd driver offers us advantages in terms
of code sharing with other boards & functionality such as changing the
displayed message via sysfs. Defconfigs are untouched because the driver
already defaults y on when CONFIG_MIPS_MALTA=y.

Signed-off-by: Paul Burton <paul.burton@mips.com>
Patchwork: https://patchwork.linux-mips.org/patch/21182/
Cc: linux-mips@linux-mips.org
2018-11-20 21:05:39 -08:00
Paul Burton
3cd6408328
MIPS: ptrace: introduce NT_MIPS_MSA regset
The current methods for obtaining FP context via ptrace only provide
either 32 or 64 bits per data register. With MSA, where vector registers
are aliased with scalar FP data registers, those registers are 128 bits
wide. Thus a new mechanism is required for userland to access those
registers via ptrace. This patch introduces an NT_MIPS_MSA regset which
provides, in this order:

  - The full 128 bits value of each vector register, in native
    endianness saved as though elements are doubles. That is, the format
    of each vector register is as would be obtained by saving it to
    memory using an st.d instruction.

  - The 32 bit scalar FP implementation register (FIR).

  - The 32 bit scalar FP control & status register (FCSR).

  - The 32 bit MSA implementation register (MSAIR).

  - The 32 bit MSA control & status register (MSACSR).

The provision of the FIR & FCSR registers in addition to the MSA
equivalents allows scalar FP context to be retrieved as a subset of
the context available via this regset. Along with the MSA equivalents
they also nicely form the final 128 bit "register" of the regset.

Signed-off-by: Paul Burton <paul.burton@mips.com>
Patchwork: https://patchwork.linux-mips.org/patch/21180/
Cc: linux-mips@linux-mips.org
2018-11-20 21:05:39 -08:00