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greybus: pass operation type on request receive

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When an incoming request is received, the operation type is encoded
in the header and is not available in the payload.  Add the
operation type as a parameter to the request_recv method so the
request handler knows what to do.

Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Alex Elder 2014-11-12 15:17:55 -06:00 committed by Greg Kroah-Hartman
parent 360a8779d9
commit c3cf278533
2 changed files with 4 additions and 3 deletions
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5
drivers/staging/greybus/operation.c
View file

@ -137,16 +137,17 @@ static void gb_operation_request_handle(struct gb_operation *operation)
struct gb_protocol *protocol = operation->connection->protocol;
struct gb_operation_msg_hdr *header;
header = operation->request->transfer_buffer;
/*
* If the protocol has no incoming request handler, report
* an error and mark the request bad.
*/
if (protocol->request_recv) {
protocol->request_recv(operation);
protocol->request_recv(header->type, operation);
goto out;
}
header = operation->request->transfer_buffer;
gb_connection_err(operation->connection,
"unexpected incoming request type 0x%02hhx\n", header->type);
operation->result = GB_OP_PROTOCOL_BAD;

2
drivers/staging/greybus/protocol.h
View file

@ -15,7 +15,7 @@ struct gb_operation;
typedef int (*gb_connection_init_t)(struct gb_connection *);
typedef void (*gb_connection_exit_t)(struct gb_connection *);
typedef void (*gb_request_recv_t)(struct gb_operation *);
typedef void (*gb_request_recv_t)(u8, struct gb_operation *);
/*
* Protocols having the same id but different major and/or minor