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libertas: Check for PS mode support on USB devices 

Move the various firmware setup bits into a separate function, which
used to do just boot2 version.

Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
David Woodhouse 2007-12-17 14:42:33 -05:00 committed by David S. Miller
parent b2c57eee66
commit 4694961cc2
1 changed files with 22 additions and 6 deletions
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28
drivers/net/wireless/libertas/if_usb.c
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@ -102,9 +102,10 @@ static void if_usb_free(struct if_usb_card *cardp)
lbs_deb_leave(LBS_DEB_USB);
}
static void if_usb_set_boot2_ver(struct lbs_private *priv)
static void if_usb_setup_firmware(struct lbs_private *priv)
{
struct cmd_ds_set_boot2_ver b2_cmd;
struct cmd_ds_802_11_fw_wake_method wake_method;
b2_cmd.hdr.size = cpu_to_le16(sizeof(b2_cmd));
b2_cmd.action = 0;
@ -112,6 +113,25 @@ static void if_usb_set_boot2_ver(struct lbs_private *priv)
if (lbs_cmd_with_response(priv, CMD_SET_BOOT2_VER, &b2_cmd))
lbs_deb_usb("Setting boot2 version failed\n");
priv->wol_gpio = 2; /* Wake via GPIO2... */
priv->wol_gap = 20; /* ... after 20ms */
lbs_host_sleep_cfg(priv, EHS_WAKE_ON_UNICAST_DATA);
wake_method.hdr.size = cpu_to_le16(sizeof(wake_method));
wake_method.action = cpu_to_le16(CMD_ACT_GET);
if (lbs_cmd_with_response(priv, CMD_802_11_FW_WAKE_METHOD, &wake_method)) {
lbs_pr_info("Firmware does not seem to support PS mode\n");
} else {
if (le16_to_cpu(wake_method.method) == CMD_WAKE_METHOD_COMMAND_INT) {
lbs_deb_usb("Firmware seems to support PS with wake-via-command\n");
priv->ps_supported = 1;
} else {
/* The versions which boot up this way don't seem to
work even if we set it to the command interrupt */
lbs_pr_info("Firmware doesn't wake via command interrupt; disabling PS mode\n");
}
}
}
static void if_usb_fw_timeo(unsigned long priv)
@ -221,11 +241,7 @@ static int if_usb_probe(struct usb_interface *intf,
if (lbs_start_card(priv))
goto err_start_card;
if_usb_set_boot2_ver(priv);
priv->wol_gpio = 2; /* Wake via GPIO2... */
priv->wol_gap = 20; /* ... after 20ms */
lbs_host_sleep_cfg(priv, EHS_WAKE_ON_UNICAST_DATA);
if_usb_setup_firmware(priv);
usb_get_dev(udev);
usb_set_intfdata(intf, cardp);