[PATCH 01/13] staging: unisys: visorbus: controlvmchannel.h remove unused pound defines

Greg KH gregkh at linuxfoundation.org
Sun Oct 9 15:05:17 UTC 2016


On Tue, Oct 04, 2016 at 10:16:39AM -0400, David Kershner wrote:
> From: Erik Arfvidson <erik.arfvidson at unisys.com>
> 
> This patch removes all unused pound defines in controlvmchannel.h.
> Adds a comment on the now unused error codes for our spar firmware
> to avoid new error messages conflicting with previously defined
> messages.
> 
> Signed-off-by: Erik Arfvidson <erik.arfvidson at unisys.com>
> Signed-off-by: David Kershner <david.kershner at unisys.com>
> ---
>  drivers/staging/unisys/visorbus/controlvmchannel.h | 36 ++--------------------
>  1 file changed, 3 insertions(+), 33 deletions(-)
> 
> diff --git a/drivers/staging/unisys/visorbus/controlvmchannel.h b/drivers/staging/unisys/visorbus/controlvmchannel.h
> index f0bfc4d..a71f875 100644
> --- a/drivers/staging/unisys/visorbus/controlvmchannel.h
> +++ b/drivers/staging/unisys/visorbus/controlvmchannel.h
> @@ -43,8 +43,6 @@
>  		ULTRA_CONTROLVM_CHANNEL_PROTOCOL_VERSIONID, \
>  		ULTRA_CONTROLVM_CHANNEL_PROTOCOL_SIGNATURE)
>  
> -#define MAX_SERIAL_NUM	32
> -
>  /* Defines for various channel queues */
>  #define CONTROLVM_QUEUE_REQUEST		0
>  #define CONTROLVM_QUEUE_RESPONSE	1
> @@ -436,26 +434,6 @@ struct spar_controlvm_channel_protocol {
>  	 struct controlvm_message saved_crash_msg[CONTROLVM_CRASHMSG_MAX];
>  };
>  
> -/* Offsets for VM channel attributes */
> -#define VM_CH_REQ_QUEUE_OFFSET \
> -	offsetof(struct spar_controlvm_channel_protocol, request_queue)
> -#define VM_CH_RESP_QUEUE_OFFSET \
> -	offsetof(struct spar_controlvm_channel_protocol, response_queue)
> -#define VM_CH_EVENT_QUEUE_OFFSET \
> -	offsetof(struct spar_controlvm_channel_protocol, event_queue)
> -#define VM_CH_ACK_QUEUE_OFFSET \
> -	offsetof(struct spar_controlvm_channel_protocol, event_ack_queue)
> -#define VM_CH_REQ_MSG_OFFSET \
> -	offsetof(struct spar_controlvm_channel_protocol, request_msg)
> -#define VM_CH_RESP_MSG_OFFSET \
> -	offsetof(struct spar_controlvm_channel_protocol, response_msg)
> -#define VM_CH_EVENT_MSG_OFFSET \
> -	offsetof(struct spar_controlvm_channel_protocol, event_msg)
> -#define VM_CH_ACK_MSG_OFFSET \
> -	offsetof(struct spar_controlvm_channel_protocol, event_ack_msg)
> -#define VM_CH_CRASH_MSG_OFFSET \
> -	offsetof(struct spar_controlvm_channel_protocol, saved_crash_msg)
> -
>  /* The following header will be located at the beginning of PayloadVmOffset for
>   * various ControlVm commands. The receiver of a ControlVm command with a
>   * PayloadVmOffset will dereference this address and then use connection_offset,
> @@ -482,6 +460,9 @@ struct spar_controlvm_parameters_header {
>  	u32 reserved;		/* Natural alignment */
>  };
>  
> +/* The following error messages are reserved 100, 101,
> + * 201, 202, 401, 402, 403
> + */

Reserved where?  It's ok to leave defines in here that you don't use, if
the hardware uses/needs them somehow.  Don't feel like you have to only
have things that you use, especially if you end up with cryptic comments
like this :)

I'll not take this patch.

thanks,

greg k-h


More information about the devel mailing list