From 1624f003349b49050f42c7d9f5407dfc05efb912 Mon Sep 17 00:00:00 2001 From: Benjamin Herrenschmidt Date: Wed, 4 Jan 2006 18:09:44 +0000 Subject: [PATCH] [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 Signed-off-by: Russell King --- drivers/serial/serial_core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/serial/serial_core.c b/drivers/serial/serial_core.c index c17d680e3f04..34c576dfad8d 100644 --- a/drivers/serial/serial_core.c +++ b/drivers/serial/serial_core.c @@ -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; }