Messages in this thread Patch in this message | | | Subject | [PATCH] serial: Fix matching of MMIO ports | From | Benjamin Herrenschmidt <> | Date | Tue, 29 Nov 2005 08:11:08 +1100 |
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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 <benh@kernel.crashing.org>
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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