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-rw-r--r--arch/powerpc/kernel/legacy_serial.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/powerpc/kernel/legacy_serial.c b/arch/powerpc/kernel/legacy_serial.c
index 662cd67428d..cea8045ba40 100644
--- a/arch/powerpc/kernel/legacy_serial.c
+++ b/arch/powerpc/kernel/legacy_serial.c
@@ -115,7 +115,8 @@ static int __init add_legacy_soc_port(struct device_node *np,
{
u64 addr;
const u32 *addrp;
- upf_t flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_SHARE_IRQ;
+ upf_t flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_SHARE_IRQ
+ | UPF_FIXED_PORT;
struct device_node *tsi = of_get_parent(np);
/* We only support ports that have a clock frequency properly