openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

[SERIAL] AMD Alchemy UART: claim memory range 

I've noticed that the 8250/Au1x00 driver (drivers/serial/8250_au1x00.c)
doesn't claim UART memory ranges and uses wrong (KSEG1-based) UART
addresses instead of the physical ones.

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Sergei Shtylyov 2006-04-30 11:15:58 +01:00 committed by Russell King
parent 68ac64cd3f
commit 85835f442e
2 changed files with 8 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/serial/8250.c
View File

@ -1906,6 +1906,9 @@ static int serial8250_request_std_resource(struct uart_8250_port *up)
int ret = 0;
switch (up->port.iotype) {
case UPIO_AU:
size = 0x100000;
/* fall thru */
case UPIO_MEM:
if (!up->port.mapbase)
break;
@ -1938,6 +1941,9 @@ static void serial8250_release_std_resource(struct uart_8250_port *up)
unsigned int size = 8 << up->port.regshift;
switch (up->port.iotype) {
case UPIO_AU:
size = 0x100000;
/* fall thru */
case UPIO_MEM:
if (!up->port.mapbase)
break;

5
drivers/serial/8250_au1x00.c
View File

@ -30,13 +30,12 @@
{ \
.iobase = _base, \
.membase = (void __iomem *)_base,\
.mapbase = _base, \
.mapbase = CPHYSADDR(_base), \
.irq = _irq, \
.uartclk = 0, /* filled */ \
.regshift = 2, \
.iotype = UPIO_AU, \
.flags = UPF_SKIP_TEST | \
UPF_IOREMAP, \
.flags = UPF_SKIP_TEST \
}
static struct plat_serial8250_port au1x00_data[] = {