[Gc-linux-cvs] linux/arch/powerpc/platforms/embedded6xx usbgecko_udbg.c, 1.3, 1.4 wii.c, 1.2, 1.3

[Albert H. <he...@us...>]

Update of /cvsroot/gc-linux/linux/arch/powerpc/platforms/embedded6xx
In directory ddv4jf1.ch3.sourceforge.com:/tmp/cvs-serv28930/arch/powerpc/platforms/embedded6xx

Modified Files:
	usbgecko_udbg.c wii.c 
Log Message:
Apply:
gc-linux+fix_cputable-2.6.27.patch
gcnfb+fix_mmap-2.6.27.patch
usbgecko_udbg+safeness.patch
rvl-sthcd+workaround_7005.patch


Index: usbgecko_udbg.c
===================================================================
RCS file: /cvsroot/gc-linux/linux/arch/powerpc/platforms/embedded6xx/usbgecko_udbg.c,v
retrieving revision 1.3
retrieving revision 1.4
diff -u -d -r1.3 -r1.4
--- usbgecko_udbg.c	15 Nov 2008 20:10:14 -0000	1.3
+++ usbgecko_udbg.c	25 Nov 2008 19:09:31 -0000	1.4
@@ -37,6 +37,9 @@
 
 #define EXI_DATA                0x10
 
+#define UG_READ_ATTEMPTS	100
+#define UG_WRITE_ATTEMPTS	100
+
 
 static void __iomem *ug_io_base;
 
@@ -106,7 +109,7 @@
  */
 static void ug_putc(char ch)
 {
-	int count = 16;
+	int count = UG_WRITE_ATTEMPTS;
 
 	if (!ug_io_base)
 		return;
@@ -158,7 +161,7 @@
  */
 static int ug_getc(void)
 {
-	int count = 16;
+	int count = UG_READ_ATTEMPTS;
 
 	if (!ug_io_base)
 		return -1;
@@ -214,10 +217,12 @@
 	reg = of_get_property(np, "reg", NULL);
 	if (reg) {
 		paddr = of_translate_address(np, reg);
-		if (paddr)
+		if (paddr) {
 			ug_io_base = ioremap(paddr, reg[1]);
+			return ug_io_base;
+		}
 	}
-	return ug_io_base;
+	return NULL;
 }
 
 /*
@@ -225,19 +230,30 @@
  */
 void __init ug_udbg_init(void)
 {
-	struct device_node *np;
+	struct device_node *np = NULL;
 	struct device_node *stdout;
 	const char *path;
 
-	ug_io_base = NULL;
+	if (ug_io_base)
+		udbg_printf("%s: early -> final\n", __func__);
+
+	if (!of_chosen) {
+		udbg_printf("%s: missing of_chosen\n", __func__);
+		goto done;
+	}
 
 	path = of_get_property(of_chosen, "linux,stdout-path", NULL);
-	if (!path)
-		return;
+	if (!path) {
+		udbg_printf("%s: missing %s property", __func__,
+			    "linux,stdout-path");
+		goto done;
+	}
 
 	stdout = of_find_node_by_path(path);
-	if (!stdout)
-		return;
+	if (!stdout) {
+		udbg_printf("%s: missing path %s", __func__, path);
+		goto done;
+	}
 
 	for(np = NULL;
 	    (np = of_find_compatible_node(np, NULL, "usbgecko,usbgecko")); )
@@ -245,18 +261,30 @@
 			break;
 
 	of_node_put(stdout);
-	if (!np)
-		return;
+	if (!np) {
+		udbg_printf("%s: stdout is not an usbgecko", __func__);
+		goto done;
+	}
 
-	ug_udbg_setup_io_base(np);
-	if (ug_is_adapter_present()) {
+	if (!ug_udbg_setup_io_base(np)) {
+		udbg_printf("%s: failed to setup io base", __func__);
+		goto done;
+	}
+
+	if (!ug_is_adapter_present()) {
+		udbg_printf("usbgecko_udbg: not found\n");
+		ug_io_base = NULL;
+	} else {
 		udbg_putc = ug_udbg_putc;
 		udbg_getc = ug_udbg_getc;
 		udbg_getc_poll = ug_udbg_getc_poll;
-		printk(KERN_INFO "usbgecko_udbg: ready\n");
+		udbg_printf("usbgecko_udbg: ready\n");
 	}
 
-	of_node_put(np);
+done:
+	if (np)
+		of_node_put(np);
+	return;
 }
 
 #ifdef CONFIG_PPC_EARLY_DEBUG_USBGECKO

Index: wii.c
===================================================================
RCS file: /cvsroot/gc-linux/linux/arch/powerpc/platforms/embedded6xx/wii.c,v
retrieving revision 1.2
retrieving revision 1.3
diff -u -d -r1.2 -r1.3
--- wii.c	15 Nov 2008 20:10:14 -0000	1.2
+++ wii.c	25 Nov 2008 19:09:31 -0000	1.3
@@ -59,14 +59,14 @@
 	seq_printf(m, "machine\t\t: Nintendo Wii\n");
 }
 
-static void wii_setup_arch(void)
+static void __init wii_setup_arch(void)
 {
+	ug_udbg_init();
+	gcnvi_udbg_init();
 }
 
 static void __init wii_init_early(void)
 {
-	ug_udbg_init();
-	gcnvi_udbg_init();
 }
 
 static int __init wii_probe(void)