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libertas: wait for 'firmware ready' event from firmware after loading 

Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
David Woodhouse 2007-12-11 13:15:25 -05:00 committed by David S. Miller
parent 10bca0d5f4
commit c9cd6f9d63
2 changed files with 22 additions and 5 deletions
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1
drivers/net/wireless/libertas/host.h
View File

@ -304,5 +304,6 @@ enum cmd_mesh_access_opts {
#define MACREG_INT_CODE_RSSI_HIGH 28
#define MACREG_INT_CODE_SNR_HIGH 29
#define MACREG_INT_CODE_MESH_AUTO_STARTED 35
#define MACREG_INT_CODE_FIRMWARE_READY 48
#endif

26
drivers/net/wireless/libertas/if_usb.c
View File

@ -230,6 +230,7 @@ static int if_usb_probe(struct usb_interface *intf,
goto err_prog_firmware;
cardp->priv = priv;
cardp->priv->fw_ready = 1;
if (lbs_add_mesh(priv, &udev->dev))
goto err_add_mesh;
@ -241,10 +242,7 @@ static int if_usb_probe(struct usb_interface *intf,
priv->hw_read_event_cause = if_usb_read_event_cause;
priv->boot2_version = udev->descriptor.bcdDevice;
/* Delay 200 ms to waiting for the FW ready */
if_usb_submit_rx_urb(cardp);
msleep_interruptible(200);
priv->fw_ready = 1;
if (lbs_start_card(priv))
goto err_start_card;
@ -514,6 +512,21 @@ static void if_usb_receive_fwload(struct urb *urb)
return;
}
if (cardp->fwdnldover) {
__le32 *tmp = (__le32 *)(skb->data + IPFIELD_ALIGN_OFFSET);
if (tmp[0] == cpu_to_le32(CMD_TYPE_INDICATION) &&
tmp[1] == cpu_to_le32(MACREG_INT_CODE_FIRMWARE_READY)) {
lbs_pr_info("Firmware ready event received\n");
wake_up(&cardp->fw_wq);
} else {
lbs_deb_usb("Waiting for confirmation; got %x %x\n", le32_to_cpu(tmp[0]),
le32_to_cpu(tmp[1]));
if_usb_submit_rx_urb_fwload(cardp);
}
kfree_skb(skb);
return;
}
if (cardp->bootcmdresp <= 0) {
memcpy (&bootcmdresp, skb->data + IPFIELD_ALIGN_OFFSET,
sizeof(bootcmdresp));
@ -529,7 +542,8 @@ static void if_usb_receive_fwload(struct urb *urb)
if (bootcmdresp.u32magicnumber == cpu_to_le32(CMD_TYPE_REQUEST) ||
bootcmdresp.u32magicnumber == cpu_to_le32(CMD_TYPE_DATA) ||
bootcmdresp.u32magicnumber == cpu_to_le32(CMD_TYPE_INDICATION)) {
lbs_pr_info("Firmware already seems alive; resetting\n");
if (!cardp->bootcmdresp)
lbs_pr_info("Firmware already seems alive; resetting\n");
cardp->bootcmdresp = -1;
} else {
lbs_pr_info("boot cmd response wrong magic number (0x%x)\n",
@ -590,8 +604,9 @@ static void if_usb_receive_fwload(struct urb *urb)
if_usb_send_fw_pkt(cardp);
if_usb_submit_rx_urb_fwload(cardp);
exit:
if_usb_submit_rx_urb_fwload(cardp);
kfree(syncfwheader);
return;
@ -934,6 +949,7 @@ static int if_usb_prog_firmware(struct usb_card_rec *cardp)
wait_event_interruptible(cardp->fw_wq, cardp->surprise_removed || cardp->fwdnldover);
del_timer_sync(&cardp->fw_timeout);
usb_kill_urb(cardp->rx_urb);
if (!cardp->fwdnldover) {
lbs_pr_info("failed to load fw, resetting device!\n");