Al Viro wrote:
quoted text
> * Split the implementation-agnostic stuff in separate files.
> * Make sure that targets using non-default request_irq() pull
>   kernel/irq/devres.o
> * Introduce new symbols (HAS_IOPORT and HAS_IOMEM) defaulting to positive;
>   allow architectures to turn them off (we needed these symbols anyway for
>   dependencies of quite a few drivers).
> * protect the ioport-related parts of lib/devres.o with CONFIG_HAS_IOPORT.
> 
> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
> ---
>  arch/arm/Kconfig           |    5 +
>  arch/cris/Kconfig          |    3 +
>  arch/h8300/Kconfig         |    3 +
>  arch/h8300/kernel/Makefile |    4 +-
>  arch/m32r/Kconfig          |    3 +
>  arch/m68k/Kconfig          |    3 +
>  arch/m68k/kernel/Makefile  |    4 +-
>  arch/m68knommu/Kconfig     |    3 +
>  arch/s390/Kconfig          |    3 +
>  arch/sparc/kernel/Makefile |    4 +-
>  arch/um/Kconfig            |    3 +
>  arch/xtensa/Kconfig        |    3 +
>  include/linux/io.h         |    6 -
>  include/linux/pci.h        |    5 +
>  kernel/irq/Makefile        |    2 +-
>  kernel/irq/devres.c        |   88 +++++++++++++
>  kernel/irq/manage.c        |   86 -------------
>  lib/Kconfig                |    9 +-
>  lib/Makefile               |    5 +-
>  lib/devres.c               |  300 ++++++++++++++++++++++++++++++++++++++++++++
>  lib/iomap.c                |  296 -------------------------------------------
>  21 files changed, 442 insertions(+), 396 deletions(-)
>  create mode 100644 kernel/irq/devres.c
>  create mode 100644 lib/devres.c

ACK


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