synclink_gt: add serial bit order control

Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git

kernel os linux

Add control of hardware serial bit order between LSB first
(default/standard) and MSB first.

Signed-off-by: Paul Fulghum <paulkf@microgate.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

authored by

Paul Fulghum and committed by

Linus Torvalds 17 years ago e5590717 8a38c285

2 changed files

expand all

drivers

char

synclink_gt.c

include

linux

synclink.h

drivers/char/synclink_gt.c

··· 4403 4403 break; 4404 4404 } 4405 4405 4406 + if (info->if_mode & MGSL_INTERFACE_MSB_FIRST) 4407 + val |= BIT4; 4406 4408 if (info->signals & SerialSignal_DTR) 4407 4409 val |= BIT3; 4408 4410 if (info->signals & SerialSignal_RTS)

include/linux/synclink.h

··· 136 136 #define MGSL_INTERFACE_RTS_EN 0x10 137 137 #define MGSL_INTERFACE_LL 0x20 138 138 #define MGSL_INTERFACE_RL 0x40 139 + #define MGSL_INTERFACE_MSB_FIRST 0x80 139 140 140 141 typedef struct _MGSL_PARAMS 141 142 {