powerpc/ps3: Add gelic udbg driver

Add a new udbg driver for the PS3 gelic Ehthernet device.

This driver shares only a few stucture and constant definitions with the
gelic Ethernet device driver, so is implemented as a stand-alone driver
with no dependencies on the gelic Ethernet device driver.

Signed-off-by: Hector Martin <hector@marcansoft.com>
Signed-off-by: Andre Heider <a.heider@gmail.com>
Signed-off-by: Geoff Levand <geoff@infradead.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

2 files changed, 9 insertions, 0 deletions

diff --git a/drivers/net/ps3_gelic_net.c b/drivers/net/ps3_gelic_net.c
index d82a82d9870..e743c9418ac 100644
--- a/drivers/net/ps3_gelic_net.c
+++ b/drivers/net/ps3_gelic_net.c
@@ -1674,6 +1674,9 @@ static int __devinit ps3_gelic_driver_probe(struct ps3_system_bus_device *dev)
         int result;
 
         pr_debug("%s: called\n", __func__);
+
+        udbg_shutdown_ps3gelic();
+
         result = ps3_open_hv_device(dev);
 
         if (result) {
diff --git a/drivers/net/ps3_gelic_net.h b/drivers/net/ps3_gelic_net.h
index d3fadfbc3bc..a93df6ac190 100644
--- a/drivers/net/ps3_gelic_net.h
+++ b/drivers/net/ps3_gelic_net.h
@@ -359,6 +359,12 @@ static inline void *port_priv(struct gelic_port *port)
         return port->priv;
 }
 
+#ifdef CONFIG_PPC_EARLY_DEBUG_PS3GELIC
+extern void udbg_shutdown_ps3gelic(void);
+#else
+static inline void udbg_shutdown_ps3gelic(void) {}
+#endif
+
 extern int gelic_card_set_irq_mask(struct gelic_card *card, u64 mask);
 /* shared netdev ops */
 extern void gelic_card_up(struct gelic_card *card);