[PATCH v4 1/3] serial: 8250: Add IrDA to UART capabilities

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



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@xxxxxxxxxx>
---
 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 b27bccd..821cb41 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 a697a85..0c23b00 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 240a361..13d04bf 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 48ec765..04185e03 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 @@ void serial8250_console_write(struct uart_8250_port *up, const char *s,
 
 extern void serial8250_set_isa_configurator(void (*v)
 					(int port, struct uart_port *up,
-						unsigned short *capabilities));
+						u32 *capabilities));
 
 #endif
-- 
1.9.1

--
To unsubscribe from this list: send the line "unsubscribe linux-serial" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Index of Archives]     [Kernel Newbies]     [Security]     [Netfilter]     [Bugtraq]     [Linux PPP]     [Linux FS]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Samba]     [Video 4 Linux]     [Linmodem]     [Device Mapper]     [Linux Kernel for ARM]

  Powered by Linux