redonkable/alistair23-linux
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libertas: [usb] use new firmware locations

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Look for firmware where the linux-firmware tree actually puts it, but
fall back to original firmware name & location when the new location
doesn't exist.

Signed-off-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Dan Williams 2010-08-07 21:13:57 -05:00 committed by John W. Linville
parent e5ef5bad34
commit 5cddea816e
2 changed files with 54 additions and 7 deletions
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60
drivers/net/wireless/libertas/if_usb.c
View file

@ -26,15 +26,25 @@
#define MESSAGE_HEADER_LEN 4
static char *lbs_fw_name = "usb8388.bin";
static char *lbs_fw_name = NULL;
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
};
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 */
};
@ -66,6 +76,8 @@ static ssize_t if_usb_firmware_set(struct device *dev,
struct if_usb_card *cardp = priv->card;
int ret;
BUG_ON(buf == NULL);
ret = if_usb_prog_firmware(cardp, buf, BOOT_CMD_UPDATE_FW);
if (ret == 0)
return count;
@ -91,6 +103,8 @@ static ssize_t if_usb_boot2_set(struct device *dev,
struct if_usb_card *cardp = priv->card;
int ret;
BUG_ON(buf == NULL);
ret = if_usb_prog_firmware(cardp, buf, BOOT_CMD_UPDATE_BOOT2);
if (ret == 0)
return count;
@ -244,6 +258,7 @@ static int if_usb_probe(struct usb_interface *intf,
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"
@ -921,6 +936,38 @@ static int if_usb_prog_firmware(struct if_usb_card *cardp,
return ret;
}
/* table of firmware file names */
static const struct {
u32 model;
const char *fwname;
} fw_table[] = {
{ MODEL_8388, "libertas/usb8388_v9.bin" },
{ MODEL_8388, "libertas/usb8388_v5.bin" },
{ MODEL_8388, "libertas/usb8388.bin" },
{ MODEL_8388, "usb8388.bin" },
{ MODEL_8682, "libertas/usb8682.bin" }
};
static int get_fw(struct if_usb_card *cardp, const char *fwname)
{
int i;
/* Try user-specified firmware first */
if (fwname)
return request_firmware(&cardp->fw, fwname, &cardp->udev->dev);
/* Otherwise search for firmware to use */
for (i = 0; i < ARRAY_SIZE(fw_table); i++) {
if (fw_table[i].model != cardp->model)
continue;
if (request_firmware(&cardp->fw, fw_table[i].fwname,
&cardp->udev->dev) == 0)
return 0;
}
return -ENOENT;
}
static int __if_usb_prog_firmware(struct if_usb_card *cardp,
const char *fwname, int cmd)
{
@ -930,10 +977,9 @@ static int __if_usb_prog_firmware(struct if_usb_card *cardp,
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);
ret = get_fw(cardp, fwname);
if (ret) {
lbs_pr_err("failed to find firmware (%d)\n", ret);
goto done;
}

1
drivers/net/wireless/libertas/if_usb.h
View file

@ -43,6 +43,7 @@ struct bootcmdresp
/** USB card description structure*/
struct if_usb_card {
struct usb_device *udev;
uint32_t model; /* MODEL_* */
struct urb *rx_urb, *tx_urb;
struct lbs_private *priv;