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authorEvgeniy Polyakov <zbr@ioremap.net>2009-01-07 18:09:01 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-01-08 08:31:13 -0800
commit9be62e0b2fadaf5ffeb32fd1b910ef1fe6bd43db (patch)
tree86d39cd9790a83275380d5f37495d76888c3153b /drivers/w1/w1_netlink.c
parent610705e780395ef30a1b8e53de150c37381ca31f (diff)
downloadlinux-9be62e0b2fadaf5ffeb32fd1b910ef1fe6bd43db.tar.bz2
w1: add touch block command
Writes and returns sampled data back to userspace. Signed-off-by: Evgeniy Polyakov <zbr@ioremap.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/w1/w1_netlink.c')
-rw-r--r--drivers/w1/w1_netlink.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/w1/w1_netlink.c b/drivers/w1/w1_netlink.c
index 2e07b59b9859..cae556c8577b 100644
--- a/drivers/w1/w1_netlink.c
+++ b/drivers/w1/w1_netlink.c
@@ -108,6 +108,10 @@ static int w1_process_command_slave(struct w1_slave *sl, struct cn_msg *msg,
cmd->cmd, cmd->len);
switch (cmd->cmd) {
+ case W1_CMD_TOUCH:
+ w1_touch_block(sl->master, cmd->data, cmd->len);
+ w1_send_read_reply(sl, msg, hdr, cmd);
+ break;
case W1_CMD_READ:
w1_read_block(sl->master, cmd->data, cmd->len);
w1_send_read_reply(sl, msg, hdr, cmd);
@@ -208,9 +212,6 @@ static void w1_cn_callback(void *data)
break;
}
- if (!mlen)
- goto out_cont;
-
if (m->type == W1_MASTER_CMD) {
dev = w1_search_master_id(m->id.mst.id);
} else if (m->type == W1_SLAVE_CMD) {
@@ -227,6 +228,10 @@ static void w1_cn_callback(void *data)
goto out_cont;
}
+ err = 0;
+ if (!mlen)
+ goto out_cont;
+
mutex_lock(&dev->mutex);
if (sl && w1_reset_select_slave(sl)) {