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Commit 85835f44 authored by Sergei Shtylyov's avatar Sergei Shtylyov Committed by Russell King
Browse files

[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: default avatarSergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent 68ac64cd

drivers/serial/8250.c

+6 −0
Original line number Diff line number Diff line
@@ -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;

drivers/serial/8250_au1x00.c

+2 −3
Original line number Diff line number Diff line
@@ -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[] = {