diff options
| author | David Woodhouse <dwmw2@infradead.org> | 2007-12-17 14:42:33 -0500 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-01-28 15:07:43 -0800 |
| commit | 4694961cc2f868d6061be3b2c3d1fcf39584ff17 (patch) | |
| tree | 1dfcb8ce20a1013015d8b726bd5c897fb7c17c22 /drivers/net/wireless/libertas/if_usb.c | |
| parent | b2c57eee66592e22327bf39b42c4e3dc24708213 (diff) | |
| download | kernel-crypto-4694961cc2f868d6061be3b2c3d1fcf39584ff17.tar.gz kernel-crypto-4694961cc2f868d6061be3b2c3d1fcf39584ff17.tar.xz kernel-crypto-4694961cc2f868d6061be3b2c3d1fcf39584ff17.zip | |
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>
Diffstat (limited to 'drivers/net/wireless/libertas/if_usb.c')
| -rw-r--r-- | drivers/net/wireless/libertas/if_usb.c | 28 |
1 files changed, 22 insertions, 6 deletions
diff --git a/drivers/net/wireless/libertas/if_usb.c b/drivers/net/wireless/libertas/if_usb.c index 8bc23b3ae64..3931fe6267c 100644 --- a/drivers/net/wireless/libertas/if_usb.c +++ b/drivers/net/wireless/libertas/if_usb.c @@ -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); |