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[SERIAL] Make uart_line_info() correctly tell MMIO from I/O port 

/proc/tty/driver/serial incorrectly claims that UARTs having iotype of
UPIO_MEM32, UPIO_AU, or UPIO_TSI are I/O mapped.

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
hifive-unleashed-5.1
Sergei Shtylyov 2006-09-04 00:04:20 +04:00 committed by Russell King
parent a4b775735c
commit 6c6a2334a1
1 changed files with 4 additions and 4 deletions
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8
drivers/serial/serial_core.c
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@ -1662,16 +1662,16 @@ static int uart_line_info(char *buf, struct uart_driver *drv, int i)
struct uart_port *port = state->port;
char stat_buf[32];
unsigned int status;
int ret;
int mmio, ret;
if (!port)
return 0;
mmio = port->iotype >= UPIO_MEM;
ret = sprintf(buf, "%d: uart:%s %s%08lX irq:%d",
port->line, uart_type(port),
port->iotype == UPIO_MEM ? "mmio:0x" : "port:",
port->iotype == UPIO_MEM ? port->mapbase :
(unsigned long) port->iobase,
mmio ? "mmio:0x" : "port:",
mmio ? port->mapbase : (unsigned long) port->iobase,
port->irq);
if (port->type == PORT_UNKNOWN) {