releases/4.2.7/mips-cdmm-add-builtin_mips_cdmm_driver-macro.patch

   1 From 1b4a5ddb127caf125e14551ebd334be1acf21805 Mon Sep 17 00:00:00 2001
   2 From: James Hogan <james.hogan@imgtec.com>
   3 Date: Tue, 6 Oct 2015 15:12:05 +0100
   4 Subject: MIPS: CDMM: Add builtin_mips_cdmm_driver() macro
   5
   6 From: James Hogan <james.hogan@imgtec.com>
   7
   8 commit 1b4a5ddb127caf125e14551ebd334be1acf21805 upstream.
   9
  10 Add helper macro builtin_mips_cdmm_driver() for builtin CDMM drivers
  11 that don't do anything special in init and have no exit. The
  12 module_mips_cdmm_driver() helper isn't really appropriate for drivers
  13 that can't be built as a module.
  14
  15 Signed-off-by: James Hogan <james.hogan@imgtec.com>
  16 Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
  17 Cc: Jiri Slaby <jslaby@suse.com>
  18 Cc: linux-mips@linux-mips.org
  19 Patchwork: http://patchwork.linux-mips.org/patch/11264/
  20 Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
  21 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
  22
  23 ---
  24  arch/mips/include/asm/cdmm.h |   11 +++++++++++
  25  1 file changed, 11 insertions(+)
  26
  27 --- a/arch/mips/include/asm/cdmm.h
  28 +++ b/arch/mips/include/asm/cdmm.h
  29 @@ -84,6 +84,17 @@ void mips_cdmm_driver_unregister(struct
  30         module_driver(__mips_cdmm_driver, mips_cdmm_driver_register, \
  31                         mips_cdmm_driver_unregister)
  32
  33 +/*
  34 + * builtin_mips_cdmm_driver() - Helper macro for drivers that don't do anything
  35 + * special in init and have no exit. This eliminates some boilerplate. Each
  36 + * driver may only use this macro once, and calling it replaces device_initcall
  37 + * (or in some cases, the legacy __initcall). This is meant to be a direct
  38 + * parallel of module_mips_cdmm_driver() above but without the __exit stuff that
  39 + * is not used for builtin cases.
  40 + */
  41 +#define builtin_mips_cdmm_driver(__mips_cdmm_driver) \
  42 +       builtin_driver(__mips_cdmm_driver, mips_cdmm_driver_register)
  43 +
  44  /* drivers/tty/mips_ejtag_fdc.c */
  45
  46  #ifdef CONFIG_MIPS_EJTAG_FDC_EARLYCON