From 98838d95075a5295f3478ceba18bcccf472e30f4 Mon Sep 17 00:00:00 2001
From: Ed Blake <ed.blake@imgtec.com>
Date: Thu, 10 Nov 2016 18:07:54 +0000
Subject: [PATCH] serial: 8250: Add IrDA to UART capabilities
Add an IrDA UART capability flag and change the type of
uart_8250_port.capabilities to be u32 rather than unsigned short to
accommodate the additional flag.
Signed-off-by: Ed Blake <ed.blake@imgtec.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
arch/x86/platform/ce4100/ce4100.c | 2 +-
drivers/tty/serial/8250/8250.h | 1 +
drivers/tty/serial/8250/8250_core.c | 4 ++--
include/linux/serial_8250.h | 4 ++--
4 files changed, 6 insertions(+), 5 deletions(-)
diff --git a/arch/x86/platform/ce4100/ce4100.c b/arch/x86/platform/ce4100/ce4100.c
index b27bccd4390f..821cb41f00e6 100644
--- a/arch/x86/platform/ce4100/ce4100.c
+++ b/arch/x86/platform/ce4100/ce4100.c
@@ -89,7 +89,7 @@ static void ce4100_mem_serial_out(struct uart_port *p, int offset, int value)
}
static void ce4100_serial_fixup(int port, struct uart_port *up,
- unsigned short *capabilites)
+ u32 *capabilites)
{
#ifdef CONFIG_EARLY_PRINTK
/*
diff --git a/drivers/tty/serial/8250/8250.h b/drivers/tty/serial/8250/8250.h
index 124e6e695a3a..ce8d4ffcc425 100644
--- a/drivers/tty/serial/8250/8250.h
+++ b/drivers/tty/serial/8250/8250.h
@@ -80,6 +80,7 @@ struct serial8250_config {
#define UART_CAP_RTOIE (1 << 13) /* UART needs IER bit 4 set (Xscale, Tegra) */
#define UART_CAP_HFIFO (1 << 14) /* UART has a "hidden" FIFO */
#define UART_CAP_RPM (1 << 15) /* Runtime PM is active while idle */
+#define UART_CAP_IRDA (1 << 16) /* UART supports IrDA line discipline */
#define UART_BUG_QUOT (1 << 0) /* UART has buggy quot LSB */
#define UART_BUG_TXEN (1 << 1) /* UART has buggy TX IIR status */
diff --git a/drivers/tty/serial/8250/8250_core.c b/drivers/tty/serial/8250/8250_core.c
index 240a361b674f..13d04bf9547d 100644
--- a/drivers/tty/serial/8250/8250_core.c
+++ b/drivers/tty/serial/8250/8250_core.c
@@ -425,10 +425,10 @@ struct uart_8250_port *serial8250_get_port(int line)
EXPORT_SYMBOL_GPL(serial8250_get_port);
static void (*serial8250_isa_config)(int port, struct uart_port *up,
- unsigned short *capabilities);
+ u32 *capabilities);
void serial8250_set_isa_configurator(
- void (*v)(int port, struct uart_port *up, unsigned short *capabilities))
+ void (*v)(int port, struct uart_port *up, u32 *capabilities))
{
serial8250_isa_config = v;
}
diff --git a/include/linux/serial_8250.h b/include/linux/serial_8250.h
index 48ec7651989b..04185e03d7be 100644
--- a/include/linux/serial_8250.h
+++ b/include/linux/serial_8250.h
@@ -94,7 +94,7 @@ struct uart_8250_port {
struct uart_port port;
struct timer_list timer; /* "no irq" timer */
struct list_head list; /* ports on this IRQ */
- unsigned short capabilities; /* port capabilities */
+ u32 capabilities; /* port capabilities */
unsigned short bugs; /* port bugs */
bool fifo_bug; /* min RX trigger if enabled */
unsigned int tx_loadsz; /* transmit fifo load size */
@@ -168,6 +168,6 @@ int serial8250_console_setup(struct uart_port *port, char *options, bool probe);
extern void serial8250_set_isa_configurator(void (*v)
(int port, struct uart_port *up,
- unsigned short *capabilities));
+ u32 *capabilities));
#endif
--
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