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The ioread/iowrite functions on sh only do memory mapped I/O like the
generic verion, and never map onto non-MMIO inb/outb variants, so they
just add complexity. In particular, the use of asm-generic/iomap.h
ties the declaration to the x86 implementation.
Remove the custom versions and use the architecture-independent fallback
code instead. Some of the calling conventions on sh are different here,
so fix that by adding 'volatile' keywords where required by the generic
implementation and change the cpg clock driver to no longer depend on
the interesting choice of return types for ioread8/ioread16/ioread32.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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These functions were only used on the microdev board that is now gone,
so remove them to simplify the ioport handling. This could be further
simplified to use the generic I/O port accessors now.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Link: https://lore.kernel.org/r/20230914155523.3839811-4-arnd@kernel.org
Signed-off-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
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No need to expose the details of trapped I/O to drivers.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Rich Felker <dalias@libc.org>
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Update license to use SPDX-License-Identifier instead of verbose license
text.
Link: http://lkml.kernel.org/r/8736rccswn.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Cc: Rich Felker <dalias@libc.org>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Signed-off-by: Andi Kleen <ak@linux.intel.com>
Cc: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This takes a bit of a sledgehammer to the machvec I/O routines. The
iomem case requires no special casing and so can just be dropped
outright. This only leaves the ioport casing for PCI and SuperIO
mangling. With the SuperIO case going through the standard ioport
mapping, it's possible to replace everything with generic routines.
With this done the standard I/O routines are tidied up and NO_IOPORT
now gets default-enabled for the vast majority of boards.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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