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| author | Evgeniy Polyakov <zbr@ioremap.net> | 2009-01-07 18:09:04 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-01-08 08:31:14 -0800 |
| commit | f89735c4e281e8642907b38640c076ae5048f3a6 (patch) | |
| tree | 24539b43a7f74d083d747edf5b4eec8e533baebe | |
| parent | 325a06fb13614fd4e5ea36996c0ce043752a93a0 (diff) | |
| download | kernel_samsung_smdk4412-f89735c4e281e8642907b38640c076ae5048f3a6.zip kernel_samsung_smdk4412-f89735c4e281e8642907b38640c076ae5048f3a6.tar.gz kernel_samsung_smdk4412-f89735c4e281e8642907b38640c076ae5048f3a6.tar.bz2 | |
w1: added w1 reset command
Command which allows to reset the bus.
Signed-off-by: Evgeniy Polyakov <zbr@ioremap.net>
Cc: Paul Alfille <paul.alfille@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | Documentation/w1/w1.netlink | 6 | ||||
| -rw-r--r-- | drivers/w1/w1_netlink.c | 3 | ||||
| -rw-r--r-- | 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 d596d40..2756681 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 a94336b..f978c75 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, }; |