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path: root/drivers/net/wireless/ath/ath9k/hif_usb.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath9k/hif_usb.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/hif_usb.c106
1 files changed, 81 insertions, 25 deletions
diff --git a/drivers/net/wireless/ath/ath9k/hif_usb.c b/drivers/net/wireless/ath/ath9k/hif_usb.c
index 10c02f5cbc5e..165dd202c365 100644
--- a/drivers/net/wireless/ath/ath9k/hif_usb.c
+++ b/drivers/net/wireless/ath/ath9k/hif_usb.c
@@ -17,12 +17,8 @@
#include <asm/unaligned.h>
#include "htc.h"
-/* identify firmware images */
-#define FIRMWARE_AR7010_1_1 "htc_7010.fw"
-#define FIRMWARE_AR9271 "htc_9271.fw"
-
-MODULE_FIRMWARE(FIRMWARE_AR7010_1_1);
-MODULE_FIRMWARE(FIRMWARE_AR9271);
+MODULE_FIRMWARE(HTC_7010_MODULE_FW);
+MODULE_FIRMWARE(HTC_9271_MODULE_FW);
static struct usb_device_id ath9k_hif_usb_ids[] = {
{ USB_DEVICE(0x0cf3, 0x9271) }, /* Atheros */
@@ -1080,12 +1076,88 @@ static void ath9k_hif_usb_firmware_fail(struct hif_device_usb *hif_dev)
device_unlock(parent);
}
+static void ath9k_hif_usb_firmware_cb(const struct firmware *fw, void *context);
+
+/* taken from iwlwifi */
+static int ath9k_hif_request_firmware(struct hif_device_usb *hif_dev,
+ bool first)
+{
+ char index[8], *chip;
+ int ret;
+
+ if (first) {
+ if (htc_use_dev_fw) {
+ hif_dev->fw_minor_index = FIRMWARE_MINOR_IDX_MAX + 1;
+ sprintf(index, "%s", "dev");
+ } else {
+ hif_dev->fw_minor_index = FIRMWARE_MINOR_IDX_MAX;
+ sprintf(index, "%d", hif_dev->fw_minor_index);
+ }
+ } else {
+ hif_dev->fw_minor_index--;
+ sprintf(index, "%d", hif_dev->fw_minor_index);
+ }
+
+ /* test for FW 1.3 */
+ if (MAJOR_VERSION_REQ == 1 && hif_dev->fw_minor_index == 3) {
+ const char *filename;
+
+ if (IS_AR7010_DEVICE(hif_dev->usb_device_id->driver_info))
+ filename = FIRMWARE_AR7010_1_1;
+ else
+ filename = FIRMWARE_AR9271;
+
+ /* expected fw locations:
+ * - htc_9271.fw (stable version 1.3, depricated)
+ */
+ snprintf(hif_dev->fw_name, sizeof(hif_dev->fw_name),
+ "%s", filename);
+
+ } else if (hif_dev->fw_minor_index < FIRMWARE_MINOR_IDX_MIN) {
+ dev_err(&hif_dev->udev->dev, "no suitable firmware found!\n");
+
+ return -ENOENT;
+ } else {
+ if (IS_AR7010_DEVICE(hif_dev->usb_device_id->driver_info))
+ chip = "7010";
+ else
+ chip = "9271";
+
+ /* expected fw locations:
+ * - ath9k_htc/htc_9271-1.dev.0.fw (development version)
+ * - ath9k_htc/htc_9271-1.4.0.fw (stable version)
+ */
+ snprintf(hif_dev->fw_name, sizeof(hif_dev->fw_name),
+ "%s/htc_%s-%d.%s.0.fw", HTC_FW_PATH,
+ chip, MAJOR_VERSION_REQ, index);
+ }
+
+ ret = request_firmware_nowait(THIS_MODULE, true, hif_dev->fw_name,
+ &hif_dev->udev->dev, GFP_KERNEL,
+ hif_dev, ath9k_hif_usb_firmware_cb);
+ if (ret) {
+ dev_err(&hif_dev->udev->dev,
+ "ath9k_htc: Async request for firmware %s failed\n",
+ hif_dev->fw_name);
+ return ret;
+ }
+
+ dev_info(&hif_dev->udev->dev, "ath9k_htc: Firmware %s requested\n",
+ hif_dev->fw_name);
+
+ return ret;
+}
+
static void ath9k_hif_usb_firmware_cb(const struct firmware *fw, void *context)
{
struct hif_device_usb *hif_dev = context;
int ret;
if (!fw) {
+ ret = ath9k_hif_request_firmware(hif_dev, false);
+ if (!ret)
+ return;
+
dev_err(&hif_dev->udev->dev,
"ath9k_htc: Failed to get firmware %s\n",
hif_dev->fw_name);
@@ -1215,27 +1287,11 @@ static int ath9k_hif_usb_probe(struct usb_interface *interface,
init_completion(&hif_dev->fw_done);
- /* Find out which firmware to load */
-
- if (IS_AR7010_DEVICE(id->driver_info))
- hif_dev->fw_name = FIRMWARE_AR7010_1_1;
- else
- hif_dev->fw_name = FIRMWARE_AR9271;
-
- ret = request_firmware_nowait(THIS_MODULE, true, hif_dev->fw_name,
- &hif_dev->udev->dev, GFP_KERNEL,
- hif_dev, ath9k_hif_usb_firmware_cb);
- if (ret) {
- dev_err(&hif_dev->udev->dev,
- "ath9k_htc: Async request for firmware %s failed\n",
- hif_dev->fw_name);
+ ret = ath9k_hif_request_firmware(hif_dev, true);
+ if (ret)
goto err_fw_req;
- }
- dev_info(&hif_dev->udev->dev, "ath9k_htc: Firmware %s requested\n",
- hif_dev->fw_name);
-
- return 0;
+ return ret;
err_fw_req:
usb_set_intfdata(interface, NULL);