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path: root/drivers/net/wireless/libertas/if_usb.c
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Diffstat (limited to 'drivers/net/wireless/libertas/if_usb.c')
-rw-r--r--drivers/net/wireless/libertas/if_usb.c407
1 files changed, 154 insertions, 253 deletions
diff --git a/drivers/net/wireless/libertas/if_usb.c b/drivers/net/wireless/libertas/if_usb.c
index 65e174595d1..dff08a2896a 100644
--- a/drivers/net/wireless/libertas/if_usb.c
+++ b/drivers/net/wireless/libertas/if_usb.c
@@ -1,11 +1,16 @@
-/**
- * This file contains functions used in USB interface module.
- */
+/*
+ * This file contains functions used in USB interface module.
+ */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/delay.h>
-#include <linux/moduleparam.h>
+#include <linux/module.h>
#include <linux/firmware.h>
#include <linux/netdevice.h>
+#include <linux/slab.h>
#include <linux/usb.h>
+#include <linux/olpc-ec.h>
#ifdef CONFIG_OLPC
#include <asm/olpc.h>
@@ -25,15 +30,32 @@
#define MESSAGE_HEADER_LEN 4
-static char *lbs_fw_name = "usb8388.bin";
-module_param_named(fw_name, lbs_fw_name, charp, 0644);
-
+MODULE_FIRMWARE("libertas/usb8388_v9.bin");
+MODULE_FIRMWARE("libertas/usb8388_v5.bin");
+MODULE_FIRMWARE("libertas/usb8388.bin");
+MODULE_FIRMWARE("libertas/usb8682.bin");
MODULE_FIRMWARE("usb8388.bin");
+enum {
+ MODEL_UNKNOWN = 0x0,
+ MODEL_8388 = 0x1,
+ MODEL_8682 = 0x2
+};
+
+/* table of firmware file names */
+static const struct lbs_fw_table fw_table[] = {
+ { MODEL_8388, "libertas/usb8388_olpc.bin", NULL },
+ { MODEL_8388, "libertas/usb8388_v9.bin", NULL },
+ { MODEL_8388, "libertas/usb8388_v5.bin", NULL },
+ { MODEL_8388, "libertas/usb8388.bin", NULL },
+ { MODEL_8388, "usb8388.bin", NULL },
+ { MODEL_8682, "libertas/usb8682.bin", NULL }
+};
+
static struct usb_device_id if_usb_table[] = {
/* Enter the device signature inside */
- { USB_DEVICE(0x1286, 0x2001) },
- { USB_DEVICE(0x05a3, 0x8388) },
+ { USB_DEVICE(0x1286, 0x2001), .driver_info = MODEL_8388 },
+ { USB_DEVICE(0x05a3, 0x8388), .driver_info = MODEL_8388 },
{} /* Terminating entry */
};
@@ -41,10 +63,9 @@ MODULE_DEVICE_TABLE(usb, if_usb_table);
static void if_usb_receive(struct urb *urb);
static void if_usb_receive_fwload(struct urb *urb);
-static int __if_usb_prog_firmware(struct if_usb_card *cardp,
- const char *fwname, int cmd);
-static int if_usb_prog_firmware(struct if_usb_card *cardp,
- const char *fwname, int cmd);
+static void if_usb_prog_firmware(struct lbs_private *priv, int ret,
+ const struct firmware *fw,
+ const struct firmware *unused);
static int if_usb_host_to_card(struct lbs_private *priv, uint8_t type,
uint8_t *payload, uint16_t nb);
static int usb_tx_block(struct if_usb_card *cardp, uint8_t *payload,
@@ -53,62 +74,11 @@ static void if_usb_free(struct if_usb_card *cardp);
static int if_usb_submit_rx_urb(struct if_usb_card *cardp);
static int if_usb_reset_device(struct if_usb_card *cardp);
-/* sysfs hooks */
-
-/**
- * Set function to write firmware to device's persistent memory
- */
-static ssize_t if_usb_firmware_set(struct device *dev,
- struct device_attribute *attr, const char *buf, size_t count)
-{
- struct lbs_private *priv = to_net_dev(dev)->ml_priv;
- struct if_usb_card *cardp = priv->card;
- int ret;
-
- ret = if_usb_prog_firmware(cardp, buf, BOOT_CMD_UPDATE_FW);
- if (ret == 0)
- return count;
-
- return ret;
-}
-
-/**
- * lbs_flash_fw attribute to be exported per ethX interface through sysfs
- * (/sys/class/net/ethX/lbs_flash_fw). Use this like so to write firmware to
- * the device's persistent memory:
- * echo usb8388-5.126.0.p5.bin > /sys/class/net/ethX/lbs_flash_fw
- */
-static DEVICE_ATTR(lbs_flash_fw, 0200, NULL, if_usb_firmware_set);
-
-/**
- * Set function to write firmware to device's persistent memory
- */
-static ssize_t if_usb_boot2_set(struct device *dev,
- struct device_attribute *attr, const char *buf, size_t count)
-{
- struct lbs_private *priv = to_net_dev(dev)->ml_priv;
- struct if_usb_card *cardp = priv->card;
- int ret;
-
- ret = if_usb_prog_firmware(cardp, buf, BOOT_CMD_UPDATE_BOOT2);
- if (ret == 0)
- return count;
-
- return ret;
-}
-
-/**
- * lbs_flash_boot2 attribute to be exported per ethX interface through sysfs
- * (/sys/class/net/ethX/lbs_flash_boot2). Use this like so to write firmware
- * to the device's persistent memory:
- * echo usb8388-5.126.0.p5.bin > /sys/class/net/ethX/lbs_flash_boot2
- */
-static DEVICE_ATTR(lbs_flash_boot2, 0200, NULL, if_usb_boot2_set);
-
/**
- * @brief call back function to handle the status of the URB
- * @param urb pointer to urb structure
- * @return N/A
+ * if_usb_write_bulk_callback - callback function to handle the status
+ * of the URB
+ * @urb: pointer to &urb structure
+ * returns: N/A
*/
static void if_usb_write_bulk_callback(struct urb *urb)
{
@@ -130,16 +100,14 @@ static void if_usb_write_bulk_callback(struct urb *urb)
lbs_host_to_card_done(priv);
} else {
/* print the failure status number for debug */
- lbs_pr_info("URB in failure status: %d\n", urb->status);
+ pr_info("URB in failure status: %d\n", urb->status);
}
-
- return;
}
/**
- * @brief free tx/rx urb, skb and rx buffer
- * @param cardp pointer if_usb_card
- * @return N/A
+ * if_usb_free - free tx/rx urb, skb and rx buffer
+ * @cardp: pointer to &if_usb_card
+ * returns: N/A
*/
static void if_usb_free(struct if_usb_card *cardp)
{
@@ -182,7 +150,7 @@ static void if_usb_setup_firmware(struct lbs_private *priv)
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");
+ netdev_info(priv->dev, "Firmware does not seem to support PS mode\n");
priv->fwcapinfo &= ~FW_CAPINFO_PS;
} else {
if (le16_to_cpu(wake_method.method) == CMD_WAKE_METHOD_COMMAND_INT) {
@@ -191,7 +159,8 @@ static void if_usb_setup_firmware(struct lbs_private *priv)
/* The versions which boot up this way don't seem to
work even if we set it to the command interrupt */
priv->fwcapinfo &= ~FW_CAPINFO_PS;
- lbs_pr_info("Firmware doesn't wake via command interrupt; disabling PS mode\n");
+ netdev_info(priv->dev,
+ "Firmware doesn't wake via command interrupt; disabling PS mode\n");
}
}
}
@@ -203,7 +172,7 @@ static void if_usb_fw_timeo(unsigned long priv)
if (cardp->fwdnldover) {
lbs_deb_usb("Download complete, no event. Assuming success\n");
} else {
- lbs_pr_err("Download timed out\n");
+ pr_err("Download timed out\n");
cardp->surprise_removed = 1;
}
wake_up(&cardp->fw_wq);
@@ -218,10 +187,10 @@ static void if_usb_reset_olpc_card(struct lbs_private *priv)
#endif
/**
- * @brief sets the configuration values
- * @param ifnum interface number
- * @param id pointer to usb_device_id
- * @return 0 on success, error code on failure
+ * if_usb_probe - sets the configuration values
+ * @intf: &usb_interface pointer
+ * @id: pointer to usb_device_id
+ * returns: 0 on success, error code on failure
*/
static int if_usb_probe(struct usb_interface *intf,
const struct usb_device_id *id)
@@ -231,20 +200,20 @@ static int if_usb_probe(struct usb_interface *intf,
struct usb_endpoint_descriptor *endpoint;
struct lbs_private *priv;
struct if_usb_card *cardp;
+ int r = -ENOMEM;
int i;
udev = interface_to_usbdev(intf);
cardp = kzalloc(sizeof(struct if_usb_card), GFP_KERNEL);
- if (!cardp) {
- lbs_pr_err("Out of memory allocating private data.\n");
+ if (!cardp)
goto error;
- }
setup_timer(&cardp->fw_timeout, if_usb_fw_timeo, (unsigned long)cardp);
init_waitqueue_head(&cardp->fw_wq);
cardp->udev = udev;
+ cardp->model = (uint32_t) id->driver_info;
iface_desc = intf->cur_altsetting;
lbs_deb_usbd(&udev->dev, "bcdUSB = 0x%X bDeviceClass = 0x%X"
@@ -289,17 +258,10 @@ static int if_usb_probe(struct usb_interface *intf,
goto dealloc;
}
- /* Upload firmware */
- if (__if_usb_prog_firmware(cardp, lbs_fw_name, BOOT_CMD_FW_BY_USB)) {
- lbs_deb_usbd(&udev->dev, "FW upload failed\n");
- goto err_prog_firmware;
- }
-
- if (!(priv = lbs_add_card(cardp, &udev->dev)))
- goto err_prog_firmware;
+ if (!(priv = lbs_add_card(cardp, &intf->dev)))
+ goto err_add_card;
cardp->priv = priv;
- cardp->priv->fw_ready = 1;
priv->hw_host_to_card = if_usb_host_to_card;
priv->enter_deep_sleep = NULL;
@@ -312,54 +274,42 @@ static int if_usb_probe(struct usb_interface *intf,
cardp->boot2_version = udev->descriptor.bcdDevice;
- if_usb_submit_rx_urb(cardp);
-
- if (lbs_start_card(priv))
- goto err_start_card;
-
- if_usb_setup_firmware(priv);
-
usb_get_dev(udev);
usb_set_intfdata(intf, cardp);
- if (device_create_file(&priv->dev->dev, &dev_attr_lbs_flash_fw))
- lbs_pr_err("cannot register lbs_flash_fw attribute\n");
-
- if (device_create_file(&priv->dev->dev, &dev_attr_lbs_flash_boot2))
- lbs_pr_err("cannot register lbs_flash_boot2 attribute\n");
+ r = lbs_get_firmware_async(priv, &udev->dev, cardp->model,
+ fw_table, if_usb_prog_firmware);
+ if (r)
+ goto err_get_fw;
return 0;
-err_start_card:
+err_get_fw:
lbs_remove_card(priv);
-err_prog_firmware:
+err_add_card:
if_usb_reset_device(cardp);
dealloc:
if_usb_free(cardp);
error:
- return -ENOMEM;
+ return r;
}
/**
- * @brief free resource and cleanup
- * @param intf USB interface structure
- * @return N/A
+ * if_usb_disconnect - free resource and cleanup
+ * @intf: USB interface structure
+ * returns: N/A
*/
static void if_usb_disconnect(struct usb_interface *intf)
{
struct if_usb_card *cardp = usb_get_intfdata(intf);
- struct lbs_private *priv = (struct lbs_private *) cardp->priv;
+ struct lbs_private *priv = cardp->priv;
lbs_deb_enter(LBS_DEB_MAIN);
- device_remove_file(&priv->dev->dev, &dev_attr_lbs_flash_boot2);
- device_remove_file(&priv->dev->dev, &dev_attr_lbs_flash_fw);
-
cardp->surprise_removed = 1;
if (priv) {
- priv->surpriseremoved = 1;
lbs_stop_card(priv);
lbs_remove_card(priv);
}
@@ -374,9 +324,9 @@ static void if_usb_disconnect(struct usb_interface *intf)
}
/**
- * @brief This function download FW
- * @param priv pointer to struct lbs_private
- * @return 0
+ * if_usb_send_fw_pkt - download FW
+ * @cardp: pointer to &struct if_usb_card
+ * returns: 0
*/
static int if_usb_send_fw_pkt(struct if_usb_card *cardp)
{
@@ -434,7 +384,7 @@ static int if_usb_send_fw_pkt(struct if_usb_card *cardp)
static int if_usb_reset_device(struct if_usb_card *cardp)
{
- struct cmd_ds_command *cmd = cardp->ep_out_buf + 4;
+ struct cmd_header *cmd = cardp->ep_out_buf + 4;
int ret;
lbs_deb_enter(LBS_DEB_USB);
@@ -442,7 +392,7 @@ static int if_usb_reset_device(struct if_usb_card *cardp)
*(__le32 *)cardp->ep_out_buf = cpu_to_le32(CMD_TYPE_REQUEST);
cmd->command = cpu_to_le16(CMD_802_11_RESET);
- cmd->size = cpu_to_le16(sizeof(struct cmd_header));
+ cmd->size = cpu_to_le16(sizeof(cmd));
cmd->result = cpu_to_le16(0);
cmd->seqnum = cpu_to_le16(0x5a5a);
usb_tx_block(cardp, cardp->ep_out_buf, 4 + sizeof(struct cmd_header));
@@ -462,19 +412,20 @@ static int if_usb_reset_device(struct if_usb_card *cardp)
}
/**
- * @brief This function transfer the data to the device.
- * @param priv pointer to struct lbs_private
- * @param payload pointer to payload data
- * @param nb data length
- * @return 0 or -1
+ * usb_tx_block - transfer the data to the device
+ * @cardp: pointer to &struct if_usb_card
+ * @payload: pointer to payload data
+ * @nb: data length
+ * returns: 0 for success or negative error code
*/
static int usb_tx_block(struct if_usb_card *cardp, uint8_t *payload, uint16_t nb)
{
- int ret = -1;
+ int ret;
/* check if device is removed */
if (cardp->surprise_removed) {
lbs_deb_usbd(&cardp->udev->dev, "Device removed\n");
+ ret = -ENODEV;
goto tx_ret;
}
@@ -487,7 +438,6 @@ static int usb_tx_block(struct if_usb_card *cardp, uint8_t *payload, uint16_t nb
if ((ret = usb_submit_urb(cardp->tx_urb, GFP_ATOMIC))) {
lbs_deb_usbd(&cardp->udev->dev, "usb_submit_urb failed: %d\n", ret);
- ret = -1;
} else {
lbs_deb_usb2(&cardp->udev->dev, "usb_submit_urb success\n");
ret = 0;
@@ -504,7 +454,7 @@ static int __if_usb_submit_rx_urb(struct if_usb_card *cardp,
int ret = -1;
if (!(skb = dev_alloc_skb(MRVDRV_ETH_RX_PACKET_BUFFER_SIZE))) {
- lbs_pr_err("No free skb\n");
+ pr_err("No free skb\n");
goto rx_ret;
}
@@ -563,7 +513,7 @@ static void if_usb_receive_fwload(struct urb *urb)
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");
+ pr_info("Firmware ready event received\n");
wake_up(&cardp->fw_wq);
} else {
lbs_deb_usb("Waiting for confirmation; got %x %x\n",
@@ -590,20 +540,20 @@ static void if_usb_receive_fwload(struct urb *urb)
bootcmdresp.magic == cpu_to_le32(CMD_TYPE_DATA) ||
bootcmdresp.magic == cpu_to_le32(CMD_TYPE_INDICATION)) {
if (!cardp->bootcmdresp)
- lbs_pr_info("Firmware already seems alive; resetting\n");
+ pr_info("Firmware already seems alive; resetting\n");
cardp->bootcmdresp = -1;
} else {
- lbs_pr_info("boot cmd response wrong magic number (0x%x)\n",
+ pr_info("boot cmd response wrong magic number (0x%x)\n",
le32_to_cpu(bootcmdresp.magic));
}
} else if ((bootcmdresp.cmd != BOOT_CMD_FW_BY_USB) &&
(bootcmdresp.cmd != BOOT_CMD_UPDATE_FW) &&
(bootcmdresp.cmd != BOOT_CMD_UPDATE_BOOT2)) {
- lbs_pr_info("boot cmd response cmd_tag error (%d)\n",
- bootcmdresp.cmd);
+ pr_info("boot cmd response cmd_tag error (%d)\n",
+ bootcmdresp.cmd);
} else if (bootcmdresp.result != BOOT_CMD_RESP_OK) {
- lbs_pr_info("boot cmd response result error (%d)\n",
- bootcmdresp.result);
+ pr_info("boot cmd response result error (%d)\n",
+ bootcmdresp.result);
} else {
cardp->bootcmdresp = 1;
lbs_deb_usbd(&cardp->udev->dev,
@@ -614,16 +564,14 @@ static void if_usb_receive_fwload(struct urb *urb)
return;
}
- syncfwheader = kmalloc(sizeof(struct fwsyncheader), GFP_ATOMIC);
+ syncfwheader = kmemdup(skb->data + IPFIELD_ALIGN_OFFSET,
+ sizeof(struct fwsyncheader), GFP_ATOMIC);
if (!syncfwheader) {
lbs_deb_usbd(&cardp->udev->dev, "Failure to allocate syncfwheader\n");
kfree_skb(skb);
return;
}
- memcpy(syncfwheader, skb->data + IPFIELD_ALIGN_OFFSET,
- sizeof(struct fwsyncheader));
-
if (!syncfwheader->cmd) {
lbs_deb_usb2(&cardp->udev->dev, "FW received Blk with correct CRC\n");
lbs_deb_usb2(&cardp->udev->dev, "FW received Blk seqnum = %d\n",
@@ -650,8 +598,6 @@ static void if_usb_receive_fwload(struct urb *urb)
if_usb_submit_rx_urb_fwload(cardp);
kfree(syncfwheader);
-
- return;
}
#define MRVDRV_MIN_PKT_LEN 30
@@ -707,11 +653,11 @@ static inline void process_cmdrequest(int recvlength, uint8_t *recvbuff,
}
/**
- * @brief This function reads of the packet into the upload buff,
- * wake up the main thread and initialise the Rx callack.
+ * if_usb_receive - read the packet into the upload buffer,
+ * wake up the main thread and initialise the Rx callack
*
- * @param urb pointer to struct urb
- * @return N/A
+ * @urb: pointer to &struct urb
+ * returns: N/A
*/
static void if_usb_receive(struct urb *urb)
{
@@ -782,12 +728,12 @@ rx_exit:
}
/**
- * @brief This function downloads data to FW
- * @param priv pointer to struct lbs_private structure
- * @param type type of data
- * @param buf pointer to data buffer
- * @param len number of bytes
- * @return 0 or -1
+ * if_usb_host_to_card - downloads data to FW
+ * @priv: pointer to &struct lbs_private structure
+ * @type: type of data
+ * @payload: pointer to data buffer
+ * @nb: number of bytes
+ * returns: 0 for success or negative error code
*/
static int if_usb_host_to_card(struct lbs_private *priv, uint8_t type,
uint8_t *payload, uint16_t nb)
@@ -811,10 +757,11 @@ static int if_usb_host_to_card(struct lbs_private *priv, uint8_t type,
}
/**
- * @brief This function issues Boot command to the Boot2 code
- * @param ivalue 1:Boot from FW by USB-Download
- * 2:Boot from FW in EEPROM
- * @return 0
+ * if_usb_issue_boot_command - issues Boot command to the Boot2 code
+ * @cardp: pointer to &if_usb_card
+ * @ivalue: 1:Boot from FW by USB-Download
+ * 2:Boot from FW in EEPROM
+ * returns: 0 for success or negative error code
*/
static int if_usb_issue_boot_command(struct if_usb_card *cardp, int ivalue)
{
@@ -833,11 +780,11 @@ static int if_usb_issue_boot_command(struct if_usb_card *cardp, int ivalue)
/**
- * @brief This function checks the validity of Boot2/FW image.
+ * check_fwfile_format - check the validity of Boot2/FW image
*
- * @param data pointer to image
- * len image length
- * @return 0 or -1
+ * @data: pointer to image
+ * @totlen: image length
+ * returns: 0 (good) or 1 (failure)
*/
static int check_fwfile_format(const uint8_t *data, uint32_t totlen)
{
@@ -872,79 +819,32 @@ static int check_fwfile_format(const uint8_t *data, uint32_t totlen)
} while (!exit);
if (ret)
- lbs_pr_err("firmware file format check FAIL\n");
+ pr_err("firmware file format check FAIL\n");
else
lbs_deb_fw("firmware file format check PASS\n");
return ret;
}
-
-/**
-* @brief This function programs the firmware subject to cmd
-*
-* @param cardp the if_usb_card descriptor
-* fwname firmware or boot2 image file name
-* cmd either BOOT_CMD_FW_BY_USB, BOOT_CMD_UPDATE_FW,
-* or BOOT_CMD_UPDATE_BOOT2.
-* @return 0 or error code
-*/
-static int if_usb_prog_firmware(struct if_usb_card *cardp,
- const char *fwname, int cmd)
-{
- struct lbs_private *priv = cardp->priv;
- unsigned long flags, caps;
- int ret;
-
- caps = priv->fwcapinfo;
- if (((cmd == BOOT_CMD_UPDATE_FW) && !(caps & FW_CAPINFO_FIRMWARE_UPGRADE)) ||
- ((cmd == BOOT_CMD_UPDATE_BOOT2) && !(caps & FW_CAPINFO_BOOT2_UPGRADE)))
- return -EOPNOTSUPP;
-
- /* Ensure main thread is idle. */
- spin_lock_irqsave(&priv->driver_lock, flags);
- while (priv->cur_cmd != NULL || priv->dnld_sent != DNLD_RES_RECEIVED) {
- spin_unlock_irqrestore(&priv->driver_lock, flags);
- if (wait_event_interruptible(priv->waitq,
- (priv->cur_cmd == NULL &&
- priv->dnld_sent == DNLD_RES_RECEIVED))) {
- return -ERESTARTSYS;
- }
- spin_lock_irqsave(&priv->driver_lock, flags);
- }
- priv->dnld_sent = DNLD_BOOTCMD_SENT;
- spin_unlock_irqrestore(&priv->driver_lock, flags);
-
- ret = __if_usb_prog_firmware(cardp, fwname, cmd);
-
- spin_lock_irqsave(&priv->driver_lock, flags);
- priv->dnld_sent = DNLD_RES_RECEIVED;
- spin_unlock_irqrestore(&priv->driver_lock, flags);
-
- wake_up_interruptible(&priv->waitq);
-
- return ret;
-}
-
-static int __if_usb_prog_firmware(struct if_usb_card *cardp,
- const char *fwname, int cmd)
+static void if_usb_prog_firmware(struct lbs_private *priv, int ret,
+ const struct firmware *fw,
+ const struct firmware *unused)
{
+ struct if_usb_card *cardp = priv->card;
int i = 0;
static int reset_count = 10;
- int ret = 0;
lbs_deb_enter(LBS_DEB_USB);
- ret = request_firmware(&cardp->fw, fwname, &cardp->udev->dev);
- if (ret < 0) {
- lbs_pr_err("request_firmware() failed with %#x\n", ret);
- lbs_pr_err("firmware %s not found\n", fwname);
+ if (ret) {
+ pr_err("failed to find firmware (%d)\n", ret);
goto done;
}
+ cardp->fw = fw;
if (check_fwfile_format(cardp->fw->data, cardp->fw->size)) {
ret = -EINVAL;
- goto release_fw;
+ goto done;
}
/* Cancel any pending usb business */
@@ -961,14 +861,14 @@ restart:
if (if_usb_submit_rx_urb_fwload(cardp) < 0) {
lbs_deb_usbd(&cardp->udev->dev, "URB submission is failed\n");
ret = -EIO;
- goto release_fw;
+ goto done;
}
cardp->bootcmdresp = 0;
do {
int j = 0;
i++;
- if_usb_issue_boot_command(cardp, cmd);
+ if_usb_issue_boot_command(cardp, BOOT_CMD_FW_BY_USB);
/* wait for command response */
do {
j++;
@@ -983,14 +883,14 @@ restart:
usb_kill_urb(cardp->tx_urb);
if (if_usb_submit_rx_urb(cardp) < 0)
ret = -EIO;
- goto release_fw;
+ goto done;
} else if (cardp->bootcmdresp <= 0) {
if (--reset_count >= 0) {
if_usb_reset_device(cardp);
goto restart;
}
ret = -EIO;
- goto release_fw;
+ goto done;
}
i = 0;
@@ -1013,24 +913,35 @@ restart:
usb_kill_urb(cardp->rx_urb);
if (!cardp->fwdnldover) {
- lbs_pr_info("failed to load fw, resetting device!\n");
+ pr_info("failed to load fw, resetting device!\n");
if (--reset_count >= 0) {
if_usb_reset_device(cardp);
goto restart;
}
- lbs_pr_info("FW download failure, time = %d ms\n", i * 100);
+ pr_info("FW download failure, time = %d ms\n", i * 100);
ret = -EIO;
- goto release_fw;
+ goto done;
}
- release_fw:
- release_firmware(cardp->fw);
- cardp->fw = NULL;
+ cardp->priv->fw_ready = 1;
+ if_usb_submit_rx_urb(cardp);
+
+ if (lbs_start_card(priv))
+ goto done;
+
+ if_usb_setup_firmware(priv);
+
+ /*
+ * EHS_REMOVE_WAKEUP is not supported on all versions of the firmware.
+ */
+ priv->wol_criteria = EHS_REMOVE_WAKEUP;
+ if (lbs_host_sleep_cfg(priv, priv->wol_criteria, NULL))
+ priv->ehs_remove_supported = false;
done:
- lbs_deb_leave_args(LBS_DEB_USB, "ret %d", ret);
- return ret;
+ cardp->fw = NULL;
+ lbs_deb_leave(LBS_DEB_USB);
}
@@ -1043,8 +954,19 @@ static int if_usb_suspend(struct usb_interface *intf, pm_message_t message)
lbs_deb_enter(LBS_DEB_USB);
- if (priv->psstate != PS_STATE_FULL_POWER)
- return -1;
+ if (priv->psstate != PS_STATE_FULL_POWER) {
+ ret = -1;
+ goto out;
+ }
+
+#ifdef CONFIG_OLPC
+ if (machine_is_olpc()) {
+ if (priv->wol_criteria == EHS_REMOVE_WAKEUP)
+ olpc_ec_wakeup_clear(EC_SCI_SRC_WLAN);
+ else
+ olpc_ec_wakeup_set(EC_SCI_SRC_WLAN);
+ }
+#endif
ret = lbs_suspend(priv);
if (ret)
@@ -1086,31 +1008,10 @@ static struct usb_driver if_usb_driver = {
.suspend = if_usb_suspend,
.resume = if_usb_resume,
.reset_resume = if_usb_resume,
+ .disable_hub_initiated_lpm = 1,
};
-static int __init if_usb_init_module(void)
-{
- int ret = 0;
-
- lbs_deb_enter(LBS_DEB_MAIN);
-
- ret = usb_register(&if_usb_driver);
-
- lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret);
- return ret;
-}
-
-static void __exit if_usb_exit_module(void)
-{
- lbs_deb_enter(LBS_DEB_MAIN);
-
- usb_deregister(&if_usb_driver);
-
- lbs_deb_leave(LBS_DEB_MAIN);
-}
-
-module_init(if_usb_init_module);
-module_exit(if_usb_exit_module);
+module_usb_driver(if_usb_driver);
MODULE_DESCRIPTION("8388 USB WLAN Driver");
MODULE_AUTHOR("Marvell International Ltd. and Red Hat, Inc.");