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Subject[w1] Added w1 reset command.
Date
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


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