firmware: Sigma: Fix endianess issues
Currently the SigmaDSP firmware loader only works correctly on little-endian
systems. Fix this by using the proper endianess conversion functions.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: stable@kernel.org
diff --git a/include/linux/sigma.h b/include/linux/sigma.h
index 9a138c2..d0de882 100644
--- a/include/linux/sigma.h
+++ b/include/linux/sigma.h
@@ -24,7 +24,7 @@
struct sigma_firmware_header {
unsigned char magic[7];
u8 version;
- u32 crc;
+ __le32 crc;
};
enum {
@@ -40,14 +40,14 @@
struct sigma_action {
u8 instr;
u8 len_hi;
- u16 len;
- u16 addr;
+ __le16 len;
+ __be16 addr;
unsigned char payload[];
};
static inline u32 sigma_action_len(struct sigma_action *sa)
{
- return (sa->len_hi << 16) | sa->len;
+ return (sa->len_hi << 16) | le16_to_cpu(sa->len);
}
extern int process_sigma_firmware(struct i2c_client *client, const char *name);