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Revert "serial:serial_core: Allow use of CTS for PPS line discipline"

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This reverts commit c550f01c81.

Turns out the samsung tty driver is mucking around in the "unused" port
fields and this patch breaks that code :(

So we need to fix that driver up before this can be accepted.

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Steve Sakoman <steve@sakoman.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Greg Kroah-Hartman 2018-10-04 09:57:23 -07:00
parent aad2d4952d
commit 817e9bc8cc
3 changed files with 2 additions and 80 deletions
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3
include/linux/serial_core.h
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@ -257,8 +257,7 @@ struct uart_port {
struct device *dev; /* parent device */
unsigned char hub6; /* this should be in the 8250 driver */
unsigned char suspended;
unsigned char pps_4wire; /* CTS instead of DCD */
unsigned char unused;
unsigned char unused[2];
const char *name; /* port name */
struct attribute_group *attr_group; /* port specific attributes */
const struct attribute_group **tty_groups; /* all attributes (serial core use only) */