[PATCH] ps3: add shutdown to virtual uart port driver framework

PS3: Add a shutdown method to the PS3's virtual uart port driver framework

Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Cc: James Simmons <jsimmons@infradead.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/drivers/ps3/vuart.c b/drivers/ps3/vuart.c
index a72da8f651f8e65850a284133a1840ba93cd29b3..ef8fd4c308757d34efc524d276055aeaaa4c653b 100644 (file)
--- a/drivers/ps3/vuart.c
+++ b/drivers/ps3/vuart.c
@@ -867,6 +867,22 @@ static int ps3_vuart_remove(struct device *_dev)
        return 0;
 }
 
+static void ps3_vuart_shutdown(struct device *_dev)
+{
+       struct ps3_vuart_port_device *dev = to_ps3_vuart_port_device(_dev);
+       struct ps3_vuart_port_driver *drv =
+               to_ps3_vuart_port_driver(_dev->driver);
+
+       dev_dbg(&dev->core, "%s:%d: %s\n", __func__, __LINE__,
+               dev->core.bus_id);
+
+       if (drv->shutdown)
+               drv->shutdown(dev);
+       else
+               dev_dbg(&dev->core, "%s:%d: %s no shutdown method\n", __func__,
+                       __LINE__, dev->core.bus_id);
+}
+
 /**
  * ps3_vuart - The vuart instance.
  *
@@ -878,6 +894,7 @@ struct bus_type ps3_vuart = {
        .match = ps3_vuart_match,
        .probe = ps3_vuart_probe,
        .remove = ps3_vuart_remove,
+       .shutdown = ps3_vuart_shutdown,
 };
 
 int __init ps3_vuart_init(void)

diff --git a/drivers/ps3/vuart.h b/drivers/ps3/vuart.h
index 11c421cf7a0342aaff8beaaddb5ae64ceaa57eed..2cbf728a3a0bfaec295ea31a1d580390d13ed4a4 100644 (file)
--- a/drivers/ps3/vuart.h
+++ b/drivers/ps3/vuart.h
@@ -30,6 +30,7 @@ struct ps3_vuart_port_driver {
        struct device_driver core;
        int (*probe)(struct ps3_vuart_port_device *);
        int (*remove)(struct ps3_vuart_port_device *);
+       void (*shutdown)(struct ps3_vuart_port_device *);
        int (*tx_event)(struct ps3_vuart_port_device *dev);
        int (*rx_event)(struct ps3_vuart_port_device *dev);
        int (*disconnect_event)(struct ps3_vuart_port_device *dev);