Cell: Draw SPE helper penguin logos

Let spu_management_ops.enumerate_spus() return the number of found SPEs
and use that information to draw some little helper penguin logos.

Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-By: James Simmons <jsimmons@infradead.org>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
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>

2 files changed, 17 insertions, 2 deletions

diff --git a/arch/powerpc/platforms/cell/spu_base.c b/arch/powerpc/platforms/cell/spu_base.c
index e4d0c9f42abd..96a8f609690c 100644
--- a/arch/powerpc/platforms/cell/spu_base.c
+++ b/arch/powerpc/platforms/cell/spu_base.c
@@ -31,6 +31,7 @@
 #include <linux/mm.h>
 #include <linux/io.h>
 #include <linux/mutex.h>
+#include <linux/linux_logo.h>
 #include <asm/spu.h>
 #include <asm/spu_priv1.h>
 #include <asm/xmon.h>
@@ -656,12 +657,24 @@ static int __init init_spu_base(void)
 
         ret = spu_enumerate_spus(create_spu);
 
-        if (ret) {
+        if (ret < 0) {
                 printk(KERN_WARNING "%s: Error initializing spus\n",
                         __FUNCTION__);
                 goto out_unregister_sysdev_class;
         }
 
+        if (ret > 0) {
+                /*
+                 * We cannot put the forward declaration in
+                 * <linux/linux_logo.h> because of conflicting session type
+                 * conflicts for const and __initdata with different compiler
+                 * versions
+                 */
+                extern const struct linux_logo logo_spe_clut224;
+
+                fb_append_extra_logo(&logo_spe_clut224, ret);
+        }
+
         xmon_register_spus(&spu_full_list);
 
         spu_add_sysdev_attr(&attr_stat);
diff --git a/arch/powerpc/platforms/cell/spu_manage.c b/arch/powerpc/platforms/cell/spu_manage.c
index 1d4562ae463d..75ed50fcc3db 100644
--- a/arch/powerpc/platforms/cell/spu_manage.c
+++ b/arch/powerpc/platforms/cell/spu_manage.c
@@ -279,6 +279,7 @@ static int __init of_enumerate_spus(int (*fn)(void *data))
 {
         int ret;
         struct device_node *node;
+        unsigned int n = 0;
 
         ret = -ENODEV;
         for (node = of_find_node_by_type(NULL, "spe");
@@ -289,8 +290,9 @@ static int __init of_enumerate_spus(int (*fn)(void *data))
                                 __FUNCTION__, node->name);
                         break;
                 }
+                n++;
         }
-        return ret;
+        return ret ? ret : n;
 }
 
 static int __init of_create_spu(struct spu *spu, void *data)