karo: fdt: print error messages instead of numbers

diff --git a/board/karo/common/fdt.c b/board/karo/common/fdt.c
index 7aa897224ed43f5e3c17a2b512c438a0309d2bd9..a3606a9e8de8ae58c8157cfb1478dc146db5eef2 100644 (file)
--- a/board/karo/common/fdt.c
+++ b/board/karo/common/fdt.c
@@ -176,12 +176,13 @@ void karo_fdt_remove_node(void *blob, const char *node)
        debug("Removing node '%s' from DT\n", node);
 
        if (off < 0) {
-               printf("Could not find node '%s': %d\n", node, off);
+               printf("Could not find node '%s': %s\n", node,
+                       fdt_strerror(off));
        } else {
                ret = fdt_del_node(blob, off);
                if (ret)
-                       printf("Failed to remove node '%s': %d\n",
-                               node, ret);
+                       printf("Failed to remove node '%s': %s\n",
+                               node, fdt_strerror(ret));
        }
        karo_set_fdtsize(blob);
 }
@@ -192,7 +193,8 @@ void karo_fdt_enable_node(void *blob, const char *node, int enable)
 
        debug("%sabling node '%s'\n", enable ? "En" : "Dis", node);
        if (off < 0) {
-               printf("Could not find node '%s': %d\n", node, off);
+               printf("Could not find node '%s': %s\n", node,
+                       fdt_strerror(off));
                return;
        }
        fdt_set_node_status(blob, off,
@@ -214,7 +216,7 @@ static void fdt_disable_tp_node(void *blob, const char *name)
        int offs = fdt_node_offset_by_compatible(blob, -1, name);
 
        if (offs < 0) {
-               debug("node '%s' not found: %d\n", name, offs);
+               debug("node '%s' not found: %s\n", name, fdt_strerror(offs));
                return;
        }
 
@@ -310,7 +312,7 @@ void karo_fdt_fixup_usb_otg(void *blob, const char *node, const char *phy)
        }
 out:
        if (ret)
-               printf("Failed to update usbotg: %d\n", ret);
+               printf("Failed to update usbotg: %s\n", fdt_strerror(ret));
        else
                debug("node '%s' updated\n", node);
        karo_set_fdtsize(blob);
@@ -493,7 +495,8 @@ static int fdt_update_native_fb_mode(void *blob, int off)
 
        ret = fdt_increase_size(blob, 64);
        if (ret) {
-               printf("Warning: Failed to increase FDT size: %d\n", ret);
+               printf("Warning: Failed to increase FDT size: %s\n",
+                       fdt_strerror(ret));
        }
        debug("Creating phandle at offset %d\n", off);
        ph = fdt_create_phandle(blob, off);
@@ -510,7 +513,8 @@ static int fdt_update_native_fb_mode(void *blob, int off)
        debug("parent offset=%06x\n", off);
        ret = fdt_setprop_cell(blob, off, "native-mode", ph);
        if (ret)
-               printf("Failed to set property 'native-mode': %d\n", ret);
+               printf("Failed to set property 'native-mode': %s\n",
+                       fdt_strerror(ret));
        karo_set_fdtsize(blob);
        return ret;
 }
@@ -521,13 +525,15 @@ static int karo_fdt_find_video_timings(void *blob)
        const char *subnode = "display-timings";
 
        if (off < 0) {
-               debug("Could not find node 'display' in FDT: %d\n", off);
+               debug("Could not find node 'display' in FDT: %s\n",
+                       fdt_strerror(off));
                return off;
        }
 
        off = fdt_subnode_offset(blob, off, subnode);
        if (off < 0) {
-               debug("Could not find node '%s' in FDT: %d\n", subnode, off);
+               debug("Could not find node '%s' in FDT: %s\n", subnode,
+                       fdt_strerror(off));
        }
        return off;
 }
@@ -548,10 +554,12 @@ int karo_fdt_get_fb_mode(void *blob, const char *name, struct fb_videomode *fb_m
                if (d < 1)
                        return -EINVAL;
                if (d > 2) {
-                       debug("Skipping node @ %04x %s depth %d\n", off, fdt_get_name(blob, off, NULL), d);
+                       debug("Skipping node @ %04x %s depth %d\n", off,
+                               fdt_get_name(blob, off, NULL), d);
                        continue;
                }
-               debug("parsing subnode @ %04x %s depth %d\n", off, fdt_get_name(blob, off, NULL), d);
+               debug("parsing subnode @ %04x %s depth %d\n", off,
+                       fdt_get_name(blob, off, NULL), d);
 
                n = fdt_getprop(blob, off, "panel-name", &len);
                if (!n) {
@@ -585,7 +593,8 @@ int karo_fdt_get_fb_mode(void *blob, const char *name, struct fb_videomode *fb_m
        int ret;                                                        \
        ret = fdt_setprop_u32(blob, off, n, v);                         \
        if (ret) {                                                      \
-               printf("Failed to set property %s: %d\n", name, ret);   \
+               printf("Failed to set property %s: %s\n", name,         \
+                       fdt_strerror(ret));                             \
        }                                                               \
        ret;                                                            \
 })
@@ -605,23 +614,26 @@ int karo_fdt_create_fb_mode(void *blob, const char *name,
 
        ret = fdt_increase_size(blob, 512);
        if (ret) {
-               printf("Failed to increase FDT size: %d\n", ret);
+               printf("Failed to increase FDT size: %s\n", fdt_strerror(ret));
                return ret;
        }
 
        ret = fdt_subnode_offset(blob, off, subnode);
        if (ret < 0) {
-               debug("Could not find node '%s' in FDT: %d\n", subnode, ret);
+               debug("Could not find node '%s' in FDT: %s\n", subnode,
+                       fdt_strerror(ret));
                ret = fdt_add_subnode(blob, off, subnode);
                if (ret < 0) {
-                       printf("Failed to add %s subnode: %d\n", subnode, ret);
+                       printf("Failed to add %s subnode: %s\n", subnode,
+                               fdt_strerror(ret));
                        return ret;
                }
        }
 
        ret = fdt_add_subnode(blob, ret, name);
        if (ret < 0) {
-               printf("Failed to add %s subnode: %d\n", name, ret);
+               printf("Failed to add %s subnode: %s\n", name,
+                       fdt_strerror(ret));
                return ret;
        }
        off = ret;
@@ -706,7 +718,8 @@ static int karo_fdt_set_display_alias(void *blob, const char *path,
                }
        }
        ret = fdt_setprop_string(blob, off, "display", display);
-       debug("setprop_string(display='%s') returned %d\n", display, ret);
+       debug("setprop_string(display='%s') returned %d (%s)\n", display, ret,
+               ret < 0 ? fdt_strerror(ret) : "OK");
        return ret;
 }
 
@@ -781,7 +794,8 @@ int karo_fdt_update_fb_mode(void *blob, const char *name)
 
        off = fdt_subnode_offset(blob, off, subnode);
        if (off < 0) {
-               debug("Could not find node '%s' in FDT: %d\n", subnode, off);
+               debug("Could not find node '%s' in FDT: %s\n", subnode,
+                       fdt_strerror(off));
                return off;
        }
        while (off > 0) {
@@ -794,10 +808,12 @@ int karo_fdt_update_fb_mode(void *blob, const char *name)
                if (d < 1)
                        return -EINVAL;
                if (d > 2) {
-                       debug("Skipping node @ %04x %s depth %d\n", off, fdt_get_name(blob, off, NULL), d);
+                       debug("Skipping node @ %04x %s depth %d\n", off,
+                               fdt_get_name(blob, off, NULL), d);
                        continue;
                }
-               debug("parsing subnode @ %04x %s depth %d\n", off, fdt_get_name(blob, off, NULL), d);
+               debug("parsing subnode @ %04x %s depth %d\n", off,
+                       fdt_get_name(blob, off, NULL), d);
 
                n = fdt_getprop(blob, off, "panel-name", &len);
                if (!n) {