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[SERIAL] Fix matching of MMIO ports

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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]>
Signed-off-by: Russell King <[email protected]>
This commit is contained in:
Benjamin Herrenschmidt 2006-01-04 18:09:44 +00:00 • committed by Russell King
commit 1624f00334
1 changed files with 1 additions and 1 deletions
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2
drivers/serial/serial_core.c
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@ -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;
}