diff options
author | David Woodhouse <dwmw2@infradead.org> | 2007-12-11 18:15:25 (GMT) |
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committer | David S. Miller <davem@davemloft.net> | 2008-01-28 23:06:44 (GMT) |
commit | c9cd6f9d630c4422d5f7eb8018b28846e25dba20 (patch) | |
tree | 852abbf20de397a6667221b255b99164c982a53d /drivers/net/wireless/libertas/if_usb.c | |
parent | 10bca0d5f4829a8acd9a7a51cb7b35e38b23280a (diff) | |
download | linux-fsl-qoriq-c9cd6f9d630c4422d5f7eb8018b28846e25dba20.tar.xz |
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>
Diffstat (limited to 'drivers/net/wireless/libertas/if_usb.c')
-rw-r--r-- | drivers/net/wireless/libertas/if_usb.c | 26 |
1 files changed, 21 insertions, 5 deletions
diff --git a/drivers/net/wireless/libertas/if_usb.c b/drivers/net/wireless/libertas/if_usb.c index 6cd6c96..c94b6df 100644 --- a/drivers/net/wireless/libertas/if_usb.c +++ b/drivers/net/wireless/libertas/if_usb.c @@ -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 @@ restart: 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"); |