Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 55ec09e8 authored by Greg Kroah-Hartman's avatar Greg Kroah-Hartman
Browse files

greybus: svc: add ping command 



This implements the SVC "ping" command.  It's tiny and simple, but we
need something like this in order for us to "know" if all is working
well.

Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@google.com>
Reviewed-by: default avatarViresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@google.com>
parent eb8fafdf

drivers/staging/greybus/greybus_protocols.h

+1 −0
Original line number Diff line number Diff line
@@ -782,6 +782,7 @@ struct gb_spi_transfer_response { 
#define GB_SVC_TYPE_INTF_SET_PWRM	0x10

#define GB_SVC_TYPE_INTF_EJECT		0x11

#define GB_SVC_TYPE_KEY_EVENT		0x12

#define GB_SVC_TYPE_PING		0x13



/*

 * SVC version request/response has the same payload as

drivers/staging/greybus/svc.c

+7 −0
Original line number Diff line number Diff line
@@ -363,6 +363,13 @@ int gb_svc_intf_set_power_mode(struct gb_svc *svc, u8 intf_id, u8 hs_series, 
}

EXPORT_SYMBOL_GPL(gb_svc_intf_set_power_mode);



int gb_svc_ping(struct gb_svc *svc)

{

	return gb_operation_sync(svc->connection, GB_SVC_TYPE_PING,

				 NULL, 0, NULL, 0);

}

EXPORT_SYMBOL_GPL(gb_svc_ping);



static int gb_svc_version_request(struct gb_operation *op)

{

	struct gb_connection *connection = op->connection;

drivers/staging/greybus/svc.h

+1 −0
Original line number Diff line number Diff line
@@ -55,6 +55,7 @@ int gb_svc_intf_set_power_mode(struct gb_svc *svc, u8 intf_id, u8 hs_series, 
			       u8 tx_mode, u8 tx_gear, u8 tx_nlanes,

			       u8 rx_mode, u8 rx_gear, u8 rx_nlanes,

			       u8 flags, u32 quirks);

int gb_svc_ping(struct gb_svc *svc);



int gb_svc_protocol_init(void);

void gb_svc_protocol_exit(void);