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authorJosh Boyer <jwboyer@linux.vnet.ibm.com>2007-07-23 21:43:44 -0400
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-24 15:24:58 -0400
commit4f640efb3170dbcf99a37a3cc99060647b95428c (patch)
treeb600b237e4efc1c7dab2b362eae23e076e5ce8f9 /drivers/serial/8250.c
parentf695baf2df9e0413d3521661070103711545207a (diff)
Use resource_size_t for serial port IO addresses
At present, various parts of the serial code use unsigned long to define resource addresses. This is a problem, because some 32-bit platforms have physical addresses larger than 32-bits, and have mmio serial uarts located above the 4GB point. This patch changes the type of mapbase in both struct uart_port and struct plat_serial8250_port to resource_size_t, which can be configured to be 64 bits on such platforms. The mapbase in serial_struct can't safely be changed, because that structure is user visible. Signed-off-by: David Gibson <dwg@au1.ibm.com> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com> Cc: Russell King <rmk@arm.linux.org.uk> Cc: Paul Mackerras <paulus@samba.org> Cc: Jason Wessel <jason.wessel@windriver.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/serial/8250.c')
-rw-r--r--drivers/serial/8250.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c
index 0b3ec38ae614..2f5a5ac1b271 100644
--- a/drivers/serial/8250.c
+++ b/drivers/serial/8250.c
@@ -2650,8 +2650,9 @@ static int __devinit serial8250_probe(struct platform_device *dev)
2650 ret = serial8250_register_port(&port); 2650 ret = serial8250_register_port(&port);
2651 if (ret < 0) { 2651 if (ret < 0) {
2652 dev_err(&dev->dev, "unable to register port at index %d " 2652 dev_err(&dev->dev, "unable to register port at index %d "
2653 "(IO%lx MEM%lx IRQ%d): %d\n", i, 2653 "(IO%lx MEM%llx IRQ%d): %d\n", i,
2654 p->iobase, p->mapbase, p->irq, ret); 2654 p->iobase, (unsigned long long)p->mapbase,
2655 p->irq, ret);
2655 } 2656 }
2656 } 2657 }
2657 return 0; 2658 return 0;