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| author | Josh Boyer <jwboyer@linux.vnet.ibm.com> | 2007-07-23 18:43:44 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-24 12:24:58 -0700 |
| commit | 4f640efb3170dbcf99a37a3cc99060647b95428c (patch) | |
| tree | b600b237e4efc1c7dab2b362eae23e076e5ce8f9 /drivers/serial/8250.c | |
| parent | f695baf2df9e0413d3521661070103711545207a (diff) | |
| download | linux-stable-4f640efb3170dbcf99a37a3cc99060647b95428c.tar.gz linux-stable-4f640efb3170dbcf99a37a3cc99060647b95428c.tar.bz2 linux-stable-4f640efb3170dbcf99a37a3cc99060647b95428c.zip | |
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.c | 5 |
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) ret = serial8250_register_port(&port); if (ret < 0) { dev_err(&dev->dev, "unable to register port at index %d " - "(IO%lx MEM%lx IRQ%d): %d\n", i, - p->iobase, p->mapbase, p->irq, ret); + "(IO%lx MEM%llx IRQ%d): %d\n", i, + p->iobase, (unsigned long long)p->mapbase, + p->irq, ret); } } return 0; |