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serial: 8250: Add IrDA to UART capabilities

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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>
This commit is contained in:
Ed Blake 2016-11-10 18:07:54 +00:00 committed by Greg Kroah-Hartman
parent 5fe8667484
commit 98838d9507
4 changed files with 6 additions and 5 deletions
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2
arch/x86/platform/ce4100/ce4100.c
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@ -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
/*

1
drivers/tty/serial/8250/8250.h
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@ -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 */

4
drivers/tty/serial/8250/8250_core.c
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@ -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;
}

4
include/linux/serial_8250.h
View File

@ -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