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authorMarek Vasut <marex@denx.de>2018-05-01 05:39:51 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-05-14 13:51:11 +0200
commit3ace822ad4b255eff7f56d2f452f7a8409b29b6d (patch)
treece54d5c477e31970bd638f22e106daf77ff2395e /drivers/tty
parenta451debb4173bfe3b06d2ac926c4903eadc236d4 (diff)
downloadop-kernel-dev-3ace822ad4b255eff7f56d2f452f7a8409b29b6d.zip
op-kernel-dev-3ace822ad4b255eff7f56d2f452f7a8409b29b6d.tar.gz
serial: 8250: Add missing rxtrig_bytes on Altera 16550 UART
The Altera 16550 UART core supports FCR Rx Trigger Level setting, but the port definition in the driver is missing the rxtrig_bytes array specifying the trigger levels. Add the array to make the Rx Trigger Level setting available on this type of 16550 UART. Signed-off-by: Marek Vasut <marex@denx.de> Cc: Thor Thayer <tthayer@opensource.altera.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty')
-rw-r--r--drivers/tty/serial/8250/8250_port.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/tty/serial/8250/8250_port.c b/drivers/tty/serial/8250/8250_port.c
index 8fbd5fb..cf541aa 100644
--- a/drivers/tty/serial/8250/8250_port.c
+++ b/drivers/tty/serial/8250/8250_port.c
@@ -243,6 +243,7 @@ static const struct serial8250_config uart_config[] = {
.fifo_size = 32,
.tx_loadsz = 32,
.fcr = UART_FCR_ENABLE_FIFO | UART_FCR_R_TRIG_10,
+ .rxtrig_bytes = {1, 8, 16, 30},
.flags = UART_CAP_FIFO | UART_CAP_AFE,
},
[PORT_ALTR_16550_F64] = {
@@ -250,6 +251,7 @@ static const struct serial8250_config uart_config[] = {
.fifo_size = 64,
.tx_loadsz = 64,
.fcr = UART_FCR_ENABLE_FIFO | UART_FCR_R_TRIG_10,
+ .rxtrig_bytes = {1, 16, 32, 62},
.flags = UART_CAP_FIFO | UART_CAP_AFE,
},
[PORT_ALTR_16550_F128] = {
@@ -257,6 +259,7 @@ static const struct serial8250_config uart_config[] = {
.fifo_size = 128,
.tx_loadsz = 128,
.fcr = UART_FCR_ENABLE_FIFO | UART_FCR_R_TRIG_10,
+ .rxtrig_bytes = {1, 32, 64, 126},
.flags = UART_CAP_FIFO | UART_CAP_AFE,
},
/*
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