Messages in this thread Patch in this message |  | | | From | Evgeniy Polyakov <> | | Subject | [w1] Added w1 reset command. | | Date | Tue, 16 Dec 2008 21:08:01 +0300 |
| |
Command which allows to reset the bus.
Signed-off-by: Evgeniy Polyakov <zbr@ioremap.net> --- Documentation/w1/w1.netlink | 6 ++++++ drivers/w1/w1_netlink.c | 3 +++ drivers/w1/w1_netlink.h | 1 + 3 files changed, 10 insertions(+), 0 deletions(-) diff --git a/Documentation/w1/w1.netlink b/Documentation/w1/w1.netlink index 4560180..25721af 100644 --- a/Documentation/w1/w1.netlink +++ b/Documentation/w1/w1.netlink @@ -112,6 +112,12 @@ cn_msg->len = sizeof(struct w1_netlink_msg) + sizeof(struct w1_netlink_cmd) + N*8; +W1 reset command. +[cn_msg] + [w1_netlink_msg type = W1_MASTER_CMD + id is equal to the bus master id to use for searching] + [w1_netlink_cmd cmd = W1_CMD_RESET] + Operation steps in w1 core when new command is received. ======================================================= diff --git a/drivers/w1/w1_netlink.c b/drivers/w1/w1_netlink.c index 0267fe4..e807265 100644 --- a/drivers/w1/w1_netlink.c +++ b/drivers/w1/w1_netlink.c @@ -197,6 +197,9 @@ static int w1_process_command_master(struct w1_master *dev, struct cn_msg *req_m case W1_CMD_TOUCH: err = w1_process_command_io(dev, msg, hdr, cmd); break; + case W1_CMD_RESET: + err = w1_reset_bus(dev); + break; default: cmd->res = EINVAL; cn_netlink_send(msg, 0, GFP_KERNEL); diff --git a/drivers/w1/w1_netlink.h b/drivers/w1/w1_netlink.h index 01d86a7..68a4ff4 100644 --- a/drivers/w1/w1_netlink.h +++ b/drivers/w1/w1_netlink.h @@ -58,6 +58,7 @@ enum w1_commands { W1_CMD_SEARCH, W1_CMD_ALARM_SEARCH, W1_CMD_TOUCH, + W1_CMD_RESET, W1_CMD_MAX, }; -- 1.5.6.3
|  |