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authorDavid Woodhouse <dwmw2@infradead.org>2007-12-17 16:03:58 -0500
committerDavid S. Miller <davem@davemloft.net>2008-01-28 15:07:46 -0800
commit18c52e7c3e3d0e7fbddd0334b58030bb89554cb9 (patch)
tree32136eaa51bedb63013cb8eab4ad7fb98e2e2373
parent8538823f7c692c98e8b7e19cb580faa56e25e89f (diff)
libertas: make lbs_submit_command always 'succeed' and set command timer
Even if it fails, we want to wait a while and try again, with an ultimate timeout if it the condition persists. So again, just use the standard command timeout behaviour. Signed-off-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
-rw-r--r--drivers/net/wireless/libertas/cmd.c42
1 files changed, 20 insertions, 22 deletions
diff --git a/drivers/net/wireless/libertas/cmd.c b/drivers/net/wireless/libertas/cmd.c
index 10c60bab41f6..0ae98513ba88 100644
--- a/drivers/net/wireless/libertas/cmd.c
+++ b/drivers/net/wireless/libertas/cmd.c
@@ -1199,14 +1199,15 @@ done:
lbs_deb_leave(LBS_DEB_HOST);
}
-static int lbs_submit_command(struct lbs_private *priv,
- struct cmd_ctrl_node *cmdnode)
+static void lbs_submit_command(struct lbs_private *priv,
+ struct cmd_ctrl_node *cmdnode)
{
unsigned long flags;
struct cmd_header *cmd;
- int ret = -1;
- u16 cmdsize;
- u16 command;
+ uint16_t cmdsize;
+ uint16_t command;
+ int timeo = 5 * HZ;
+ int ret;
lbs_deb_enter(LBS_DEB_HOST);
@@ -1220,33 +1221,30 @@ static int lbs_submit_command(struct lbs_private *priv,
cmdsize = le16_to_cpu(cmd->size);
command = le16_to_cpu(cmd->command);
+ /* These commands take longer */
+ if (command == CMD_802_11_SCAN || command == CMD_802_11_ASSOCIATE ||
+ command == CMD_802_11_AUTHENTICATE)
+ timeo = 10 * HZ;
+
lbs_deb_host("DNLD_CMD: command 0x%04x, seq %d, size %d, jiffies %lu\n",
command, le16_to_cpu(cmd->seqnum), cmdsize, jiffies);
lbs_deb_hex(LBS_DEB_HOST, "DNLD_CMD", (void *) cmdnode->cmdbuf, cmdsize);
ret = priv->hw_host_to_card(priv, MVMS_CMD, (u8 *) cmd, cmdsize);
+
if (ret) {
lbs_pr_info("DNLD_CMD: hw_host_to_card failed: %d\n", ret);
- spin_lock_irqsave(&priv->driver_lock, flags);
- lbs_complete_command(priv, priv->cur_cmd, ret);
- spin_unlock_irqrestore(&priv->driver_lock, flags);
- goto done;
- }
-
- lbs_deb_cmd("DNLD_CMD: sent command 0x%04x, jiffies %lu\n", command, jiffies);
+ /* Let the timer kick in and retry, and potentially reset
+ the whole thing if the condition persists */
+ timeo = HZ;
+ } else
+ lbs_deb_cmd("DNLD_CMD: sent command 0x%04x, jiffies %lu\n",
+ command, jiffies);
/* Setup the timer after transmit command */
- if (command == CMD_802_11_SCAN || command == CMD_802_11_AUTHENTICATE
- || command == CMD_802_11_ASSOCIATE)
- mod_timer(&priv->command_timer, jiffies + (10*HZ));
- else
- mod_timer(&priv->command_timer, jiffies + (5*HZ));
-
- ret = 0;
+ mod_timer(&priv->command_timer, jiffies + timeo);
-done:
- lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
- return ret;
+ lbs_deb_leave(LBS_DEB_HOST);
}
static int lbs_cmd_mac_control(struct lbs_private *priv,