The omap spi utility requires the image size to be a multiple of four
bytes. This seems unnecessary, we can just pad with a few bytes to
get the required alignment.
Signed-off-by: Sascha Hauer <s.ha...@pengutronix.de>
---
scripts/mk-am35xx-spi-image.c | 8 +++-----
1 file changed, 3 insertions(+), 5 deletions(-)
diff --git a/scripts/mk-am35xx-spi-image.c b/scripts/mk-am35xx-spi-image.c
index ec311fd..1372fbd 100644
--- a/scripts/mk-am35xx-spi-image.c
+++ b/scripts/mk-am35xx-spi-image.c
@@ -95,10 +95,6 @@ int main(int argc, char *argv[])
perror("ftello");
exit(EXIT_FAILURE);
}
- if (pos % 4) {
- printf("error: image size must be a multiple of 4 bytes\n");
- exit(EXIT_FAILURE);
- }
if (pos > 0x100000) {
printf("error: image should be smaller than 1 MiB\n");
exit(EXIT_FAILURE);
@@ -109,6 +105,8 @@ int main(int argc, char *argv[])
exit(EXIT_FAILURE);
}
+ pos = (pos + 3) & ~3;
+
/* image size */
temp = htobe32((uint32_t)pos);
fwrite(&temp, sizeof(uint32_t), 1, stdout);
@@ -121,7 +119,7 @@ int main(int argc, char *argv[])
size = fread(&temp, 1, sizeof(uint32_t), input);
if (!size)
break;
- if (size != 4) {
+ if (size < 4 && !feof(input)) {
perror("fread");
exit(EXIT_FAILURE);
}
--
1.7.10.4
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