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| author | Robert Jarzmik <robert.jarzmik@free.fr> | 2008-09-07 00:01:32 +0200 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-09-09 17:32:53 +0200 |
| commit | 2276f03b745c297733e41470dde7f32bdd4b52af (patch) | |
| tree | 368a86b2233e6121bde6d974a589c334c1c480fd /drivers/serial/pxa.c | |
| parent | [ARM] pxa: Allow platforms to override PSPR setting (diff) | |
| download | linux-2276f03b745c297733e41470dde7f32bdd4b52af.tar.xz linux-2276f03b745c297733e41470dde7f32bdd4b52af.zip | |
[ARM] 5244/1: Add hardware CTSRTS flow control to pxa serial driver
Adds hardware CTSRTS control for pxa serial devices through
termios controls.
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'drivers/serial/pxa.c')
| -rw-r--r-- | drivers/serial/pxa.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/serial/pxa.c b/drivers/serial/pxa.c index f7a0d37c4221..abc00be55433 100644 --- a/drivers/serial/pxa.c +++ b/drivers/serial/pxa.c @@ -534,6 +534,11 @@ serial_pxa_set_termios(struct uart_port *port, struct ktermios *termios, serial_out(up, UART_IER, up->ier); + if (termios->c_cflag & CRTSCTS) + up->mcr |= UART_MCR_AFE; + else + up->mcr &= ~UART_MCR_AFE; + serial_out(up, UART_LCR, cval | UART_LCR_DLAB);/* set DLAB */ serial_out(up, UART_DLL, quot & 0xff); /* LS of divisor */ serial_out(up, UART_DLM, quot >> 8); /* MS of divisor */ |