MIPS: Alchemy: UARTs are of type 16550A

UART autodetection breaks on the Au1300 but the IP blocks are identical,
at least according to the datasheets.  Help the 8250 driver by passing
on uart type information via platform data.

Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 3 insertions, 1 deletions

diff --git a/arch/mips/alchemy/common/platform.c b/arch/mips/alchemy/common/platform.c
index 195e5b3e8b41..3be14b09157c 100644
--- a/arch/mips/alchemy/common/platform.c
+++ b/arch/mips/alchemy/common/platform.c
@@ -26,7 +26,9 @@
                 .irq            = _irq,                         \
                 .regshift       = 2,                            \
                 .iotype         = UPIO_AU,                      \
-                .flags          = UPF_SKIP_TEST | UPF_IOREMAP   \
+                .flags          = UPF_SKIP_TEST | UPF_IOREMAP | \
+                                  UPF_FIXED_TYPE,               \
+                .type           = PORT_16550A,                  \
         }
 
 static struct plat_serial8250_port au1x00_uart_data[] = {