io-64-nonatomic: add io{read|write}64[be]{_lo_hi|_hi_lo} macros
authorLogan Gunthorpe <logang@deltatee.com>
Wed, 16 Jan 2019 18:25:21 +0000 (11:25 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 22 Jan 2019 12:39:59 +0000 (13:39 +0100)
commitc81d64d3dc1f2decf8f3a9354416b7496b5c389b
tree3890b9573d45b8ae231b55530040a6d10366b820
parent79bf0cbd86ac4887a7ac897fec8f011a763e23ba
io-64-nonatomic: add io{read|write}64[be]{_lo_hi|_hi_lo} macros

This patch adds generic io{read|write}64[be]{_lo_hi|_hi_lo} macros if
they are not already defined by the architecture. (As they are provided
by the generic iomap library).

The patch also points io{read|write}64[be] to the variant specified by the
header name.

This is because new drivers are encouraged to use ioreadXX, et al instead
of readX[1], et al -- and mixing ioreadXX with readq is pretty ugly.

[1] LDD3: section 9.4.2

Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Alan Cox <gnomes@lxorguk.ukuu.org.uk>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
include/linux/io-64-nonatomic-hi-lo.h
include/linux/io-64-nonatomic-lo-hi.h