intel_scu_ipc: Length fix

Commands with data must set the length in the message.

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/drivers/platform/x86/intel_scu_ipc.c b/drivers/platform/x86/intel_scu_ipc.c
index 576c3ed..40658e3 100644 (file)
--- a/drivers/platform/x86/intel_scu_ipc.c
+++ b/drivers/platform/x86/intel_scu_ipc.c
@@ -524,7 +524,7 @@ int intel_scu_ipc_command(int cmd, int sub, u32 *in, int inlen,
        for (i = 0; i < inlen; i++)
                ipc_data_writel(*in++, 4 * i);
 
-       ipc_command(cmd << 12 | sub);
+       ipc_command((cmd << 12) | sub | (inlen << 18));
        err = busy_loop();
 
        for (i = 0; i < outlen; i++)