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path: root/target/linux/ixp4xx/patches-3.18/160-delayed_uart_io.patch
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Diffstat (limited to 'target/linux/ixp4xx/patches-3.18/160-delayed_uart_io.patch')
-rw-r--r--target/linux/ixp4xx/patches-3.18/160-delayed_uart_io.patch22
1 files changed, 11 insertions, 11 deletions
diff --git a/target/linux/ixp4xx/patches-3.18/160-delayed_uart_io.patch b/target/linux/ixp4xx/patches-3.18/160-delayed_uart_io.patch
index 1c80d16..54dc905 100644
--- a/target/linux/ixp4xx/patches-3.18/160-delayed_uart_io.patch
+++ b/target/linux/ixp4xx/patches-3.18/160-delayed_uart_io.patch
@@ -1,6 +1,6 @@
--- a/drivers/tty/serial/8250/8250_core.c
+++ b/drivers/tty/serial/8250/8250_core.c
-@@ -410,6 +410,20 @@ static void mem_serial_out(struct uart_p
+@@ -416,6 +416,20 @@ static void mem_serial_out(struct uart_p
writeb(value, p->membase + offset);
}
@@ -21,7 +21,7 @@
static void mem32_serial_out(struct uart_port *p, int offset, int value)
{
offset = offset << p->regshift;
-@@ -461,6 +475,11 @@ static void set_io_from_upio(struct uart
+@@ -466,6 +480,11 @@ static void set_io_from_upio(struct uart
p->serial_out = mem32_serial_out;
break;
@@ -33,7 +33,7 @@
#if defined(CONFIG_MIPS_ALCHEMY) || defined(CONFIG_SERIAL_8250_RT288X)
case UPIO_AU:
p->serial_in = au_serial_in;
-@@ -486,6 +505,7 @@ serial_port_out_sync(struct uart_port *p
+@@ -491,6 +510,7 @@ serial_port_out_sync(struct uart_port *p
switch (p->iotype) {
case UPIO_MEM:
case UPIO_MEM32:
@@ -41,7 +41,7 @@
case UPIO_AU:
p->serial_out(p, offset, value);
p->serial_in(p, UART_LCR); /* safe, no side-effects */
-@@ -2538,6 +2558,7 @@ static int serial8250_request_std_resour
+@@ -2655,6 +2675,7 @@ static int serial8250_request_std_resour
case UPIO_TSI:
case UPIO_MEM32:
case UPIO_MEM:
@@ -49,7 +49,7 @@
if (!port->mapbase)
break;
-@@ -2574,6 +2595,7 @@ static void serial8250_release_std_resou
+@@ -2691,6 +2712,7 @@ static void serial8250_release_std_resou
case UPIO_TSI:
case UPIO_MEM32:
case UPIO_MEM:
@@ -57,7 +57,7 @@
if (!port->mapbase)
break;
-@@ -3113,6 +3135,7 @@ static int serial8250_probe(struct platf
+@@ -3424,6 +3446,7 @@ static int serial8250_probe(struct platf
uart.port.set_termios = p->set_termios;
uart.port.pm = p->pm;
uart.port.dev = &dev->dev;
@@ -65,7 +65,7 @@
uart.port.irqflags |= irqflag;
ret = serial8250_register_8250_port(&uart);
if (ret < 0) {
-@@ -3264,6 +3287,7 @@ int serial8250_register_8250_port(struct
+@@ -3580,6 +3603,7 @@ int serial8250_register_8250_port(struct
uart->port.flags = up->port.flags | UPF_BOOT_AUTOCONF;
uart->bugs = up->bugs;
uart->port.mapbase = up->port.mapbase;
@@ -83,7 +83,7 @@
case UPIO_MEM:
case UPIO_MEM32:
case UPIO_AU:
-@@ -2711,6 +2712,7 @@ int uart_match_port(struct uart_port *po
+@@ -2736,6 +2737,7 @@ int uart_match_port(struct uart_port *po
case UPIO_HUB6:
return (port1->iobase == port2->iobase) &&
(port1->hub6 == port2->hub6);
@@ -103,7 +103,7 @@
unsigned int type; /* If UPF_FIXED_TYPE */
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
-@@ -141,6 +141,7 @@ struct uart_port {
+@@ -146,6 +146,7 @@ struct uart_port {
#define UPIO_MEM32 (3)
#define UPIO_AU (4) /* Au1x00 and RT288x type IO */
#define UPIO_TSI (5) /* Tsi108/109 type IO */
@@ -111,8 +111,8 @@
unsigned int read_status_mask; /* driver specific */
unsigned int ignore_status_mask; /* driver specific */
-@@ -189,6 +190,7 @@ struct uart_port {
-
+@@ -202,6 +203,7 @@ struct uart_port {
+ int hw_stopped; /* sw-assisted CTS flow state */
unsigned int mctrl; /* current modem ctrl settings */
unsigned int timeout; /* character-based timeout */
+ unsigned int rw_delay; /* udelay for slow busses, IXP4XX Expansion Bus */