intel_scu_ipc: Utility driver for intel scu ipc

This driver implements ioctl and interfaces with intel scu ipc driver. It
is used to access pmic/msic registers from user space and firmware update
utility.

Signed-off-by: Sreedhara DS <sreedhara.ds@intel.com>
[Extensive clean up and debug]
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/platform/x86/intel_scu_ipc.c b/drivers/platform/x86/intel_scu_ipc.c
index ca35b0ce944..1752ef006d2 100644
--- a/drivers/platform/x86/intel_scu_ipc.c
+++ b/drivers/platform/x86/intel_scu_ipc.c
@@ -497,7 +497,7 @@ int intel_scu_ipc_i2c_cntrl(u32 addr, u32 *data)
                         "intel_scu_ipc: I2C INVALID_CMD = 0x%x\n", cmd);
 
                 mutex_unlock(&ipclock);
-                return -1;
+                return -EIO;
         }
         mutex_unlock(&ipclock);
         return 0;
@@ -642,7 +642,7 @@ update_end:
 
         if (status == IPC_FW_UPDATE_SUCCESS)
                 return 0;
-        return -1;
+        return -EIO;
 }
 EXPORT_SYMBOL(intel_scu_ipc_fw_update);