[media] cx18: support big-endian systems

[~andy/linux] / drivers / media / video / cx18 / cx18-firmware.c

diff --git a/drivers/media/video/cx18/cx18-firmware.c b/drivers/media/video/cx18/cx18-firmware.c
index 1b3fb502e6be5fdb31164407a72f8de96fa9712a..b85c292a849ac2debe36c828e506254cd65214a7 100644 (file)
--- a/drivers/media/video/cx18/cx18-firmware.c
+++ b/drivers/media/video/cx18/cx18-firmware.c
@@ -164,8 +164,13 @@ static int load_apu_fw_direct(const char *fn, u8 __iomem *dst, struct cx18 *cx,
 
        apu_version = (vers[0] << 24) | (vers[4] << 16) | vers[32];
        while (offset + sizeof(seghdr) < fw->size) {
-               /* TODO: byteswapping */
-               memcpy(&seghdr, src + offset / 4, sizeof(seghdr));
+               const u32 *shptr = src + offset / 4;
+
+               seghdr.sync1 = le32_to_cpu(shptr[0]);
+               seghdr.sync2 = le32_to_cpu(shptr[1]);
+               seghdr.addr = le32_to_cpu(shptr[2]);
+               seghdr.size = le32_to_cpu(shptr[3]);
+
                offset += sizeof(seghdr);
                if (seghdr.sync1 != APU_ROM_SYNC1 ||
                    seghdr.sync2 != APU_ROM_SYNC2) {