Re: [PATCH ] powerpc: pass UPIO_TSI flag to 8259 serial driver

[Zang Roy-r61911 <tie-fei.zang@freescale.com>]

Benjamin Herrenschmidt wrote:
> On Wed, 2006-08-23 at 10:20 +0800, Zang Roy-r61911 wrote:
>   
>> The patch passes the UPIO_TSI flag to general 8259 serial driver
>>     
>
> Patch looks damaged to me... appart from that, what it does looks ok to
> me.
Sorry. It seems imported by my mail client. Please pick up the following 
one.

Signed-off-by: Roy Zang	<tie-fei.zang@freescale.com>

 ---

 arch/powerpc/kernel/legacy_serial.c |    8 ++++++--
 1 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/arch/powerpc/kernel/legacy_serial.c 
b/arch/powerpc/kernel/legacy_serial.c
index 359ab89..07c2c00 100644
--- 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(st
     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(st
     /* 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);
     }
 
-- 
1.4.0