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[4/6] ARM: update atag-to-fdt code to be endian agnostic

Message ID 1371659404-20167-5-git-send-email-ben.dooks@codethink.co.uk (mailing list archive)
State New, archived
Headers show

Commit Message

Ben Dooks June 19, 2013, 4:30 p.m. UTC 
The atag-to-fdt code can now use the conversion function we introduced
previously to avoid it having to know about the endian-ness of the
environment which booted the processor.

Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
---
 arch/arm/boot/compressed/atags_to_fdt.c |   22 +++++++++++-----------
 1 file changed, 11 insertions(+), 11 deletions(-)
diff mbox

Patch

diff --git a/arch/arm/boot/compressed/atags_to_fdt.c b/arch/arm/boot/compressed/atags_to_fdt.c
index aabc02a..74e193e 100644
--- a/arch/arm/boot/compressed/atags_to_fdt.c
+++ b/arch/arm/boot/compressed/atags_to_fdt.c
@@ -108,9 +108,9 @@  int atags_to_fdt(void *atag_list, void *fdt, int total_space)
 	       return 0;
 
 	/* validate the ATAG */
-	if (atag->hdr.tag != ATAG_CORE ||
-	    (atag->hdr.size != tag_size(tag_core) &&
-	     atag->hdr.size != 2))
+	if (atag->hdr.tag != cpu_to_atag32(ATAG_CORE) ||
+	    (atag->hdr.size != cpu_to_atag32(tag_size(tag_core)) &&
+	     atag->hdr.size != cpu_to_atag32(2)))
 		return 1;
 
 	/* let's give it all the room it could need */
@@ -119,7 +119,7 @@  int atags_to_fdt(void *atag_list, void *fdt, int total_space)
 		return ret;
 
 	for_each_tag(atag, atag_list) {
-		if (atag->hdr.tag == ATAG_CMDLINE) {
+		if (atag->hdr.tag == cpu_to_atag32(ATAG_CMDLINE)) {
 			/* Append the ATAGS command line to the device tree
 			 * command line.
 			 * NB: This means that if the same parameter is set in
@@ -132,17 +132,17 @@  int atags_to_fdt(void *atag_list, void *fdt, int total_space)
 			else
 				setprop_string(fdt, "/chosen", "bootargs",
 					       atag->u.cmdline.cmdline);
-		} else if (atag->hdr.tag == ATAG_MEM) {
+		} else if (atag->hdr.tag == cpu_to_atag32(ATAG_MEM)) {
 			if (memcount >= sizeof(mem_reg_property)/4)
 				continue;
-			if (!atag->u.mem.size)
+			if (!atag32_to_cpu(atag->u.mem.size))
 				continue;
-			mem_reg_property[memcount++] = cpu_to_fdt32(atag->u.mem.start);
-			mem_reg_property[memcount++] = cpu_to_fdt32(atag->u.mem.size);
-		} else if (atag->hdr.tag == ATAG_INITRD2) {
+			mem_reg_property[memcount++] = cpu_to_fdt32(atag32_to_cpu(atag->u.mem.start));
+			mem_reg_property[memcount++] = cpu_to_fdt32(atag32_to_cpu(atag->u.mem.size));
+		} else if (atag->hdr.tag == cpu_to_atag32(ATAG_INITRD2)) {
 			uint32_t initrd_start, initrd_size;
-			initrd_start = atag->u.initrd.start;
-			initrd_size = atag->u.initrd.size;
+			initrd_start = atag32_to_cpu(atag->u.initrd.start);
+			initrd_size = atag32_to_cpu(atag->u.initrd.size);
 			setprop_cell(fdt, "/chosen", "linux,initrd-start",
 					initrd_start);
 			setprop_cell(fdt, "/chosen", "linux,initrd-end",