platform/x86: intel: punit_ipc: Remove unused function

intel_punit_ipc_simple_command() was added in 2015 by
commit fdca4f16f57d ("platform:x86: add Intel P-Unit mailbox IPC driver")
but never used.

Remove it.

Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Link: https://lore.kernel.org/r/20241221234807.160473-1-linux@treblig.org
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>

diff --git a/arch/x86/include/asm/intel_punit_ipc.h b/arch/x86/include/asm/intel_punit_ipc.h
index ce16da719596faeec26731a1b185d2f932af6816..1f9b5d2259125d78f674d0f8320e2931a66e7f2d 100644 (file)
--- a/arch/x86/include/asm/intel_punit_ipc.h
+++ b/arch/x86/include/asm/intel_punit_ipc.h
@@ -80,17 +80,10 @@ typedef enum {
 
 #if IS_ENABLED(CONFIG_INTEL_PUNIT_IPC)
 
-int intel_punit_ipc_simple_command(int cmd, int para1, int para2);
 int intel_punit_ipc_command(u32 cmd, u32 para1, u32 para2, u32 *in, u32 *out);
 
 #else
 
-static inline int intel_punit_ipc_simple_command(int cmd,
-                                                 int para1, int para2)
-{
-       return -ENODEV;
-}
-
 static inline int intel_punit_ipc_command(u32 cmd, u32 para1, u32 para2,
                                          u32 *in, u32 *out)
 {

diff --git a/drivers/platform/x86/intel/punit_ipc.c b/drivers/platform/x86/intel/punit_ipc.c
index cd0ba84cc8e4a7576b35da0d635747929483307f..bafac8aa2baf603492d1a77444721fbba674e4a0 100644 (file)
--- a/drivers/platform/x86/intel/punit_ipc.c
+++ b/drivers/platform/x86/intel/punit_ipc.c
@@ -130,39 +130,6 @@ static int intel_punit_ipc_check_status(IPC_DEV *ipcdev, IPC_TYPE type)
        return 0;
 }
 
-/**
- * intel_punit_ipc_simple_command() - Simple IPC command
- * @cmd:       IPC command code.
- * @para1:     First 8bit parameter, set 0 if not used.
- * @para2:     Second 8bit parameter, set 0 if not used.
- *
- * Send a IPC command to P-Unit when there is no data transaction
- *
- * Return:     IPC error code or 0 on success.
- */
-int intel_punit_ipc_simple_command(int cmd, int para1, int para2)
-{
-       IPC_DEV *ipcdev = punit_ipcdev;
-       IPC_TYPE type;
-       u32 val;
-       int ret;
-
-       mutex_lock(&ipcdev->lock);
-
-       reinit_completion(&ipcdev->cmd_complete);
-       type = (cmd & IPC_PUNIT_CMD_TYPE_MASK) >> IPC_TYPE_OFFSET;
-
-       val = cmd & ~IPC_PUNIT_CMD_TYPE_MASK;
-       val |= CMD_RUN | para2 << CMD_PARA2_SHIFT | para1 << CMD_PARA1_SHIFT;
-       ipc_write_cmd(ipcdev, type, val);
-       ret = intel_punit_ipc_check_status(ipcdev, type);
-
-       mutex_unlock(&ipcdev->lock);
-
-       return ret;
-}
-EXPORT_SYMBOL(intel_punit_ipc_simple_command);
-
 /**
  * intel_punit_ipc_command() - IPC command with data and pointers
  * @cmd:       IPC command code.