Commit 1624f003 authored Jan 04, 2006 by Benjamin Herrenschmidt Committed by Russell King Jan 04, 2006

[SERIAL] Fix matching of MMIO ports



The function uart_match_port() incorrectly compares the ioremap'd
virtual addresses of ports instead of the physical address to find
duplicate ports for MMIO based UARTs. This fixes it.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

parent 26e92861

drivers/serial/serial_core.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -2307,7 +2307,7 @@ int uart_match_port(struct uart_port port1, struct uart_port port2)
		return (port1->iobase == port2->iobase) &&
		(port1->hub6 == port2->hub6);
		case UPIO_MEM:
		return (port1->membase == port2->membase);
		return (port1->mapbase == port2->mapbase);
		}
		return 0;
		}