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linux
linux-davinci
Commits
67f7654e
Commit
67f7654e
authored
Jun 23, 2005
by
Russell King
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[PATCH] Serial: Bugs are not capabilities
Signed-off-by:
Russell King
<
rmk+kernel@arm.linux.org.uk
>
parent
55d3b282
Changes
1
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1 changed file
with
4 additions
and
4 deletions
+4
-4
drivers/serial/8250.c
drivers/serial/8250.c
+4
-4
No files found.
drivers/serial/8250.c
View file @
67f7654e
...
...
@@ -1037,7 +1037,7 @@ static void serial8250_start_tx(struct uart_port *port, unsigned int tty_start)
up
->
ier
|=
UART_IER_THRI
;
serial_out
(
up
,
UART_IER
,
up
->
ier
);
if
(
up
->
capabilitie
s
&
UART_BUG_TXEN
)
{
if
(
up
->
bug
s
&
UART_BUG_TXEN
)
{
unsigned
char
lsr
,
iir
;
lsr
=
serial_in
(
up
,
UART_LSR
);
iir
=
serial_in
(
up
,
UART_IIR
);
...
...
@@ -1564,13 +1564,13 @@ static int serial8250_startup(struct uart_port *port)
serial_outp
(
up
,
UART_IER
,
0
);
if
(
lsr
&
UART_LSR_TEMT
&&
iir
&
UART_IIR_NO_INT
)
{
if
(
!
(
up
->
capabilitie
s
&
UART_BUG_TXEN
))
{
up
->
capabilitie
s
|=
UART_BUG_TXEN
;
if
(
!
(
up
->
bug
s
&
UART_BUG_TXEN
))
{
up
->
bug
s
|=
UART_BUG_TXEN
;
pr_debug
(
"ttyS%d - enabling bad tx status workarounds
\n
"
,
port
->
line
);
}
}
else
{
up
->
capabilitie
s
&=
~
UART_BUG_TXEN
;
up
->
bug
s
&=
~
UART_BUG_TXEN
;
}
spin_unlock_irqrestore
(
&
up
->
port
.
lock
,
flags
);
...
...
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