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Diffstat (limited to 'drivers/misc/mei/hw.h')
-rw-r--r--drivers/misc/mei/hw.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/misc/mei/hw.h b/drivers/misc/mei/hw.h
index d025a5f8317e..b1a8d5ec88b3 100644
--- a/drivers/misc/mei/hw.h
+++ b/drivers/misc/mei/hw.h
@@ -209,11 +209,14 @@ struct mei_msg_hdr {
u32 extension[0];
} __packed;
+/* The length is up to 9 bits */
+#define MEI_MSG_MAX_LEN_MASK GENMASK(9, 0)
+
#define MEI_MSG_HDR_MAX 2
struct mei_bus_message {
u8 hbm_cmd;
- u8 data[0];
+ u8 data[];
} __packed;
/**