[U-Boot] [PATCH v3 5/5] x86: cpu: add docstring to scu_ipc_command()

[Georgii Staroselskii]

These comments were copied from the Linux kernel driver in
drivers/platform/x86/intel_scu_ipc.c

Signed-off-by: Georgii Staroselskii <georgii.staroselskii at emlid.com>
---
 arch/x86/lib/scu.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/arch/x86/lib/scu.c b/arch/x86/lib/scu.c
index 4054838..ab945d2 100644
--- a/arch/x86/lib/scu.c
+++ b/arch/x86/lib/scu.c
@@ -180,6 +180,17 @@ int scu_ipc_simple_command(u32 cmd, u32 sub)
 	return scu_ipc_check_status(scu->regs);
 }
 
+/**
+ *  scu_ipc_command   -   command with data
+ *  @cmd: command
+ *  @sub: sub type
+ *  @in: input data
+ *  @inlen: input length in dwords
+ *  @out: output data
+ *  @outlen: output length in dwords
+ *
+ *  Issue a command to the SCU which involves data transfers.
+ */
 int scu_ipc_command(u32 cmd, u32 sub, u32 *in, int inlen, u32 *out, int outlen)
 {
 	struct scu *scu;
-- 
2.7.4