diff options
Diffstat (limited to 'drivers/platform/x86/intel_pmc_ipc.c')
-rw-r--r-- | drivers/platform/x86/intel_pmc_ipc.c | 57 |
1 files changed, 35 insertions, 22 deletions
diff --git a/drivers/platform/x86/intel_pmc_ipc.c b/drivers/platform/x86/intel_pmc_ipc.c index 69d43b8fe9ba..105cfffe82c6 100644 --- a/drivers/platform/x86/intel_pmc_ipc.c +++ b/drivers/platform/x86/intel_pmc_ipc.c @@ -210,10 +210,15 @@ static int intel_pmc_ipc_check_status(void) return ret; } -/* - * intel_pmc_ipc_simple_command - * @cmd: command - * @sub: sub type +/** + * intel_pmc_ipc_simple_command() - Simple IPC command + * @cmd: IPC command code. + * @sub: IPC command sub type. + * + * Send a simple IPC command to PMC when don't need to specify + * input/output data and source/dest pointers. + * + * Return: an IPC error code or 0 on success. */ int intel_pmc_ipc_simple_command(int cmd, int sub) { @@ -232,16 +237,20 @@ int intel_pmc_ipc_simple_command(int cmd, int sub) } EXPORT_SYMBOL_GPL(intel_pmc_ipc_simple_command); -/* - * intel_pmc_ipc_raw_cmd - * @cmd: command - * @sub: sub type - * @in: input data - * @inlen: input length in bytes - * @out: output data - * @outlen: output length in dwords - * @sptr: data writing to SPTR register - * @dptr: data writing to DPTR register +/** + * intel_pmc_ipc_raw_cmd() - IPC command with data and pointers + * @cmd: IPC command code. + * @sub: IPC command sub type. + * @in: input data of this IPC command. + * @inlen: input data length in bytes. + * @out: output data of this IPC command. + * @outlen: output data length in dwords. + * @sptr: data writing to SPTR register. + * @dptr: data writing to DPTR register. + * + * Send an IPC command to PMC with input/output data and source/dest pointers. + * + * Return: an IPC error code or 0 on success. */ int intel_pmc_ipc_raw_cmd(u32 cmd, u32 sub, u8 *in, u32 inlen, u32 *out, u32 outlen, u32 dptr, u32 sptr) @@ -278,14 +287,18 @@ int intel_pmc_ipc_raw_cmd(u32 cmd, u32 sub, u8 *in, u32 inlen, u32 *out, } EXPORT_SYMBOL_GPL(intel_pmc_ipc_raw_cmd); -/* - * intel_pmc_ipc_command - * @cmd: command - * @sub: sub type - * @in: input data - * @inlen: input length in bytes - * @out: output data - * @outlen: output length in dwords +/** + * intel_pmc_ipc_command() - IPC command with input/output data + * @cmd: IPC command code. + * @sub: IPC command sub type. + * @in: input data of this IPC command. + * @inlen: input data length in bytes. + * @out: output data of this IPC command. + * @outlen: output data length in dwords. + * + * Send an IPC command to PMC with input/output data. + * + * Return: an IPC error code or 0 on success. */ int intel_pmc_ipc_command(u32 cmd, u32 sub, u8 *in, u32 inlen, u32 *out, u32 outlen) |