};
struct brcmf_usb_image {
- void *data;
- u32 len;
+ struct list_head list;
+ s8 *fwname;
+ u8 *image;
+ int image_len;
};
-static struct brcmf_usb_image g_image = { NULL, 0 };
+static struct list_head fw_image_list;
struct intr_transfer_buf {
u32 notification;
{
brcmf_dbg(TRACE, "devinfo %p\n", devinfo);
- /* store the image globally */
- g_image.data = devinfo->image;
- g_image.len = devinfo->image_len;
-
/* free the URBS */
brcmf_usb_free_q(&devinfo->rx_freeq, false);
brcmf_usb_free_q(&devinfo->tx_freeq, false);
{
s8 *fwname;
const struct firmware *fw;
+ struct brcmf_usb_image *fw_image;
int err;
- devinfo->image = g_image.data;
- devinfo->image_len = g_image.len;
-
- /*
- * if we have an image we can leave here.
- */
- if (devinfo->image)
- return 0;
-
switch (devinfo->bus_pub.devid) {
case 43143:
fwname = BRCMF_USB_43143_FW_NAME;
break;
}
+ list_for_each_entry(fw_image, &fw_image_list, list) {
+ if (fw_image->fwname == fwname) {
+ devinfo->image = fw_image->image;
+ devinfo->image_len = fw_image->image_len;
+ return 0;
+ }
+ }
+ /* fw image not yet loaded. Load it now and add to list */
err = request_firmware(&fw, fwname, devinfo->dev);
if (!fw) {
brcmf_dbg(ERROR, "fail to request firmware %s\n", fwname);
return -EINVAL;
}
- devinfo->image = vmalloc(fw->size); /* plus nvram */
- if (!devinfo->image)
+ fw_image = kzalloc(sizeof(*fw_image), GFP_ATOMIC);
+ if (!fw_image)
+ return -ENOMEM;
+ INIT_LIST_HEAD(&fw_image->list);
+ list_add_tail(&fw_image->list, &fw_image_list);
+ fw_image->fwname = fwname;
+ fw_image->image = vmalloc(fw->size);
+ if (!fw_image->image)
return -ENOMEM;
- memcpy(devinfo->image, fw->data, fw->size);
- devinfo->image_len = fw->size;
+ memcpy(fw_image->image, fw->data, fw->size);
+ fw_image->image_len = fw->size;
release_firmware(fw);
+
+ devinfo->image = fw_image->image;
+ devinfo->image_len = fw_image->image_len;
+
return 0;
}
.disable_hub_initiated_lpm = 1,
};
+static void brcmf_release_fw(struct list_head *q)
+{
+ struct brcmf_usb_image *fw_image, *next;
+
+ list_for_each_entry_safe(fw_image, next, q, list) {
+ vfree(fw_image->image);
+ list_del_init(&fw_image->list);
+ }
+}
+
+
void brcmf_usb_exit(void)
{
usb_deregister(&brcmf_usbdrvr);
- vfree(g_image.data);
- g_image.data = NULL;
- g_image.len = 0;
+ brcmf_release_fw(&fw_image_list);
}
void brcmf_usb_init(void)
{
+ INIT_LIST_HEAD(&fw_image_list);
usb_register(&brcmf_usbdrvr);
}