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authorJiri Slaby <[email protected]>2021-06-18 08:14:36 +0200
committerGreg Kroah-Hartman <[email protected]>2021-06-18 13:10:00 +0200
commit47f82769181fdb755bc86aff881775357383ff68 (patch)
tree8220b206a0fe21b9bafa73094538b42a4ca05082
parenta7574ca74a6e9021f6a058aa21dab84e552cab22 (diff)
mxser: remove MOXA_HighSpeedOn ioctl
1) The semantics are defined exactly nowhere. 2) The ioctl definition was never exposed to userspace, so noone should actually be reliably using this. 3) It's not even mentioned in any of the mxser utilities. Provided the above, remove this mxser-special ioctl. Signed-off-by: Jiri Slaby <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
-rw-r--r--drivers/tty/mxser.c3
1 files changed, 0 insertions, 3 deletions
diff --git a/drivers/tty/mxser.c b/drivers/tty/mxser.c
index ca417d9a03cf..586fa3575673 100644
--- a/drivers/tty/mxser.c
+++ b/drivers/tty/mxser.c
@@ -50,7 +50,6 @@
*/
#define MOXA 0x400
-#define MOXA_HighSpeedOn (MOXA + 61)
#define MOXA_SET_OP_MODE (MOXA + 66)
#define MOXA_GET_OP_MODE (MOXA + 67)
@@ -1495,8 +1494,6 @@ static int mxser_ioctl(struct tty_struct *tty,
return wait_event_interruptible(info->port.delta_msr_wait,
mxser_cflags_changed(info, arg, &cnow));
- case MOXA_HighSpeedOn:
- return put_user(info->baud_base != 115200 ? 1 : 0, (int __user *)argp);
default:
return -ENOIOCTLCMD;
}