[POWERPC] Pass UPIO_TSI flag to 8259 serial driver

The patch passes the UPIO_TSI flag to general 8259 serial driver

Signed-off-by: Roy Zang	<tie-fei.zang@freescale.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>

diff --git a/arch/powerpc/kernel/legacy_serial.c b/arch/powerpc/kernel/legacy_serial.c
index 359ab89..40a3929 100644 (file)
--- a/arch/powerpc/kernel/legacy_serial.c
+++ b/arch/powerpc/kernel/legacy_serial.c
@@ -115,6 +115,7 @@ static int __init add_legacy_soc_port(struct device_node *np,
        u64 addr;
        u32 *addrp;
        upf_t flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_SHARE_IRQ;
+       struct device_node *tsi = of_get_parent(np);
 
        /* We only support ports that have a clock frequency properly
         * encoded in the device-tree.
@@ -134,7 +135,10 @@ static int __init add_legacy_soc_port(struct device_node *np,
        /* Add port, irq will be dealt with later. We passed a translated
         * IO port value. It will be fixed up later along with the irq
         */
-       return add_legacy_port(np, -1, UPIO_MEM, addr, addr, NO_IRQ, flags, 0);
+       if (tsi && !strcmp(tsi->type, "tsi-bridge"))
+               return add_legacy_port(np, -1, UPIO_TSI, addr, addr, NO_IRQ, flags, 0);
+       else
+               return add_legacy_port(np, -1, UPIO_MEM, addr, addr, NO_IRQ, flags, 0);
 }
 
 static int __init add_legacy_isa_port(struct device_node *np,
@@ -464,7 +468,7 @@ static int __init serial_dev_init(void)
                        fixup_port_irq(i, np, port);
                if (port->iotype == UPIO_PORT)
                        fixup_port_pio(i, np, port);
-               if (port->iotype == UPIO_MEM)
+               if ((port->iotype == UPIO_MEM) || (port->iotype == UPIO_TSI))
                        fixup_port_mmio(i, np, port);
        }