lkml.org 
[lkml]   [2017]   [Oct]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: [RFC v3 4/7] platform: x86: Add generic Intel IPC driver
On Tue, Sep 5, 2017 at 8:37 AM,
<sathyanarayanan.kuppuswamy@linux.intel.com> wrote:
> From: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
>
> Currently intel_scu_ipc.c, intel_pmc_ipc.c and intel_punit_ipc.c
> redundantly implements the same IPC features and has lot of code
> duplication between them. This driver addresses this issue by grouping
> the common IPC functionalities under the same driver.

> +static const char *ipc_dev_err_string(struct intel_ipc_dev *ipc_dev,
> + int error)
> +{
> + switch (error) {
> + case IPC_DEV_ERR_NONE:
> + return "No error";
> + case IPC_DEV_ERR_CMD_NOT_SUPPORTED:
> + return "Command not-supported/Invalid";
> + case IPC_DEV_ERR_CMD_NOT_SERVICED:
> + return "Command not-serviced/Invalid param";
> + case IPC_DEV_ERR_UNABLE_TO_SERVICE:
> + return "Unable-to-service/Cmd-timeout";
> + case IPC_DEV_ERR_CMD_INVALID:
> + return "Command-invalid/Cmd-locked";
> + case IPC_DEV_ERR_CMD_FAILED:
> + return "Command-failed/Invalid-VR-id";
> + case IPC_DEV_ERR_EMSECURITY:
> + return "Invalid Battery/VR-Error";
> + case IPC_DEV_ERR_UNSIGNEDKERNEL:
> + return "Unsigned kernel";
> + default:
> + return "Unknown Command";
> + };
> +}

Since it's continuous list you can define an array of messages like

const char * const *errors = {
[..._ERR_...] = "",
...

};

Also you can use enum in the header and define _ERR_MAX there.
Thus, code would be transformed to

if (error < _ERR_MAX)
return errors[error];

return "Unknown Command";

--
With Best Regards,
Andy Shevchenko

\
 
 \ /
  Last update: 2017-10-01 16:59    [W:0.104 / U:18.808 seconds]
©2003-2017 Jasper Spaans. hosted at Digital OceanAdvertise on this site