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 <[email protected]>
Index: linux-work/drivers/serial/serial_core.c
===================================================================
--- linux-work.orig/drivers/serial/serial_core.c 2005-11-14 20:32:16.000000000 +1100
+++ linux-work/drivers/serial/serial_core.c 2005-11-29 08:08:44.000000000 +1100
@@ -2307,7 +2307,7 @@
return (port1->iobase == port2->iobase) &&
(port1->hub6 == port2->hub6);
case UPIO_MEM:
- return (port1->membase == port2->membase);
+ return (port1->mapbase == port2->mapbase);
}
return 0;
}
-
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