serial: core: Add big-endian iotype

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Since most drivers interpret UPIO_MEM32 to mean "little-endian" and use
readl/writel to access the registers, add a parallel UPIO_MEM32BE to
request the use of big-endian MMIO accessors (ioread32be/iowrite32be).

Signed-off-by: Kevin Cernekee <cernekee@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Kevin Cernekee 2014-11-12 12:53:59 -08:00 • committed by Greg Kroah-Hartman

parent 57850a50c1

commit 3ffb1a8193

2 changed files with 9 additions and 6 deletions

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drivers/tty/serial/serial_core.c

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13

include/linux/serial_core.h

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