linux-kernel - [PATCH 00/21] powerpc/gamecube: make W=1 compilation errors free

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Date:   Sun, 25 Feb 2018 18:22:15 +0100
From:   Mathieu Malaterre <malat@...ian.org>
To:     Michael Ellerman <mpe@...erman.id.au>
Cc:     Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Jiri Slaby <jslaby@...e.com>, linuxppc-dev@...ts.ozlabs.org,
        linux-kernel@...r.kernel.org, Mathieu Malaterre <malat@...ian.org>
Subject: [PATCH 00/21] powerpc/gamecube: make W=1 compilation errors free

I started working on warnings treated as error on ppc32. As a first step,
here is a set of patches to make gamecube error free when using W=1:

$ make ARCH=powerpc gamecube_defconfig
$ make -j8 ARCH=powerpc CROSS_COMPILE=powerpc-linux-gnu- W=1

Using:

$ powerpc-linux-gnu-gcc --version
powerpc-linux-gnu-gcc (Debian 6.3.0-18) 6.3.0 20170516


Mathieu Malaterre (21):
  powerpc: Remove warning on array size when empty
  powerpc: Move the inline keyword at the beginning of function
    declaration
  powerpc: Mark the variable earlycon_acpi_spcr_enable maybe_unused
  powerpc: Mark both tmp variables as unused
  powerpc: Avoid comparison of unsigned long >= 0 in pfn_valid
  powerpc: Avoid comparison of unsigned long >= 0 in __access_ok
  powerpc: Make functions flipper_pic_init & ug_udbg_putc static
  powerpc: Make function __giveup_fpu static
  powerpc: Make function save_all static
  powerpc: Add missing prototype for slb_miss_bad_addr
  powerpc: Add missing prototype for hdec_interrupt
  powerpc: Add missing prototype for time_init
  powerpc: Add missing prototype for arch_dup_task_struct
  powerpc: Add missing prototype for arch_irq_work_raise
  powerpc: Add missing prototype for MMU_setup
  powerpc: Add missing prototype for init_IRQ
  powerpc: Add missing prototype for sys_debug_setcontext
  powerpc: Add missing prototypes for sys_sigreturn & sys_rt_sigreturn
  powerpc: Add missing prototypes for hw_breakpoint_handler &
    arch_unregister_hw_breakpoint
  powerpc: Add missing prototypes for ppc_select & ppc_fadvise64_64
  powerpc: Add missing prototypes in setup_32.c

 arch/powerpc/include/asm/asm-prototypes.h          | 9 +++++++++
 arch/powerpc/include/asm/hw_breakpoint.h           | 2 ++
 arch/powerpc/include/asm/irq.h                     | 1 +
 arch/powerpc/include/asm/irq_work.h                | 1 +
 arch/powerpc/include/asm/page.h                    | 3 ++-
 arch/powerpc/include/asm/thread_info.h             | 1 +
 arch/powerpc/include/asm/time.h                    | 2 ++
 arch/powerpc/include/asm/uaccess.h                 | 2 +-
 arch/powerpc/kernel/process.c                      | 4 ++--
 arch/powerpc/kernel/prom.c                         | 3 +--
 arch/powerpc/kernel/setup.h                        | 5 +++++
 arch/powerpc/kernel/setup_32.c                     | 2 ++
 arch/powerpc/kernel/signal.h                       | 5 +++++
 arch/powerpc/kernel/signal_32.c                    | 4 ++--
 arch/powerpc/lib/sstep.c                           | 4 ++--
 arch/powerpc/mm/init_32.c                          | 1 +
 arch/powerpc/platforms/embedded6xx/flipper-pic.c   | 2 +-
 arch/powerpc/platforms/embedded6xx/usbgecko_udbg.c | 2 +-
 include/linux/serial_core.h                        | 1 +
 19 files changed, 42 insertions(+), 12 deletions(-)

-- 
2.11.0