From bce9451310eb66fbbd77bf22e8160079700691f8 Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Date: Tue, 17 Jul 2007 04:05:52 -0700
Subject: [PATCH] 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>
---
 arch/powerpc/platforms/cell/spu_base.c   | 15 ++++++++++++++-
 arch/powerpc/platforms/cell/spu_manage.c |  4 +++-
 arch/powerpc/platforms/ps3/spu.c         |  6 ++++--
 drivers/video/logo/Kconfig               |  1 +
 4 files changed, 22 insertions(+), 4 deletions(-)

diff --git a/arch/powerpc/platforms/cell/spu_base.c b/arch/powerpc/platforms/cell/spu_base.c
index e4d0c9f42ab..96a8f609690 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 1d4562ae463..75ed50fcc3d 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)
diff --git a/arch/powerpc/platforms/ps3/spu.c b/arch/powerpc/platforms/ps3/spu.c
index c7f734c8946..502d80ed982 100644
--- a/arch/powerpc/platforms/ps3/spu.c
+++ b/arch/powerpc/platforms/ps3/spu.c
@@ -405,11 +405,13 @@ static int __init ps3_enumerate_spus(int (*fn)(void *data))
 		}
 	}
 
-	if (result)
+	if (result) {
 		printk(KERN_WARNING "%s:%d: Error initializing spus\n",
 			__func__, __LINE__);
+		return result;
+	}
 
-	return result;
+	return num_resource_id;
 }
 
 const struct spu_management_ops spu_management_ps3_ops = {
diff --git a/drivers/video/logo/Kconfig b/drivers/video/logo/Kconfig
index 5bb78e4807c..da219c043c9 100644
--- a/drivers/video/logo/Kconfig
+++ b/drivers/video/logo/Kconfig
@@ -13,6 +13,7 @@ if LOGO
 config FB_LOGO_EXTRA
 	bool
 	depends on FB
+	default y if SPU_BASE
 
 config LOGO_LINUX_MONO
 	bool "Standard black and white Linux logo"
-- 
2.20.1