niansa-misc/linux
1
0
Fork 0
mirror of synced 2025-03-06 20:59:54 +01:00
Code Issues Projects Releases Packages Wiki Activity

tty/8250: Add sleep capability to XR17D15X ports

Browse source 
Add sleep capability to XR17D15X ports

Signed-off-by: Matt Schulte <matts@commtech-fastcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Matt Schulte 2012-11-21 09:39:07 -06:00 • committed by Greg Kroah-Hartman
parent f965b9c46b
commit 81db0772dc
1 changed files with 9 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

12
drivers/tty/serial/8250/8250.c
View file

@ -280,7 +280,8 @@ static const struct serial8250_config uart_config[] = {
.fifo_size = 64, .fifo_size = 64,
.tx_loadsz = 64, .tx_loadsz = 64,
.fcr = UART_FCR_ENABLE_FIFO | UART_FCR_R_TRIG_10, .fcr = UART_FCR_ENABLE_FIFO | UART_FCR_R_TRIG_10,
.flags = UART_CAP_FIFO | UART_CAP_AFE | UART_CAP_EFR, .flags = UART_CAP_FIFO | UART_CAP_AFE | UART_CAP_EFR |
UART_CAP_SLEEP,
}, },
[PORT_XR17V35X] = { [PORT_XR17V35X] = {
.name = "XR17V35X", .name = "XR17V35X",
@ -591,7 +592,8 @@ static void serial8250_set_sleep(struct uart_8250_port *p, int sleep)
* offset but the UART channel may only write to the corresponding * offset but the UART channel may only write to the corresponding
* bit. * bit.
*/ */
if (p->port.type == PORT_XR17V35X) { if ((p->port.type == PORT_XR17V35X) ||
(p->port.type == PORT_XR17D15X)) {
serial_out(p, UART_EXAR_SLEEP, 0xff); serial_out(p, UART_EXAR_SLEEP, 0xff);
return; return;
} }
@ -1056,8 +1058,12 @@ static void autoconfig_16550a(struct uart_8250_port *up)
* Exar uarts have EFR in a weird location * Exar uarts have EFR in a weird location
*/ */
if (up->port.flags & UPF_EXAR_EFR) { if (up->port.flags & UPF_EXAR_EFR) {
DEBUG_AUTOCONF("Exar XR17D15x ");
up->port.type = PORT_XR17D15X; up->port.type = PORT_XR17D15X;
up->capabilities |= UART_CAP_AFE | UART_CAP_EFR; up->capabilities |= UART_CAP_AFE | UART_CAP_EFR |
UART_CAP_SLEEP;
return;
} }
/* /*