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libertas: discard DEFER responses to commands; let the timeout trigger 

When the firmware returns 0x0004, it wants us to try again later. We can
achieve that simply by throwing out the response and letting the command
timeout code kick in.

Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
hifive-unleashed-5.1
David Woodhouse 2007-12-17 15:41:30 -05:00 committed by David S. Miller
parent 7003b078c8
commit 8538823f7c
1 changed files with 10 additions and 0 deletions
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10
drivers/net/wireless/libertas/cmdresp.c
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@ -665,6 +665,16 @@ int lbs_process_rx_command(struct lbs_private *priv)
goto done;
}
if (resp->result == cpu_to_le16(0x0004)) {
/* 0x0004 means -EAGAIN. Drop the response, let it time out
and be resubmitted */
lbs_pr_info("Firmware returns DEFER to command %x. Will let it time out...\n",
le16_to_cpu(resp->command));
spin_unlock_irqrestore(&priv->driver_lock, flags);
ret = -1;
goto done;
}
/* Now we got response from FW, cancel the command timer */
del_timer(&priv->command_timer);
priv->cmd_timed_out = 0;