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ath9k: Determine Firmware on probe 

Do not assign the FW name to driver_info but determine
it dynamically on device probe. This facilitates adding new
firmware.

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Sujith 2010-06-02 15:53:30 +05:30 committed by John W. Linville
parent 5f1e83dbc3
commit ce43cee531
2 changed files with 27 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

39
drivers/net/wireless/ath/ath9k/hif_usb.c
View File

@ -16,12 +16,9 @@
#include "htc.h"
#define ATH9K_FW_USB_DEV(devid, fw) \
{ USB_DEVICE(0x0cf3, devid), .driver_info = (unsigned long) fw }
static struct usb_device_id ath9k_hif_usb_ids[] = {
ATH9K_FW_USB_DEV(0x9271, "ar9271.fw"),
ATH9K_FW_USB_DEV(0x1006, "ar9271.fw"),
{ USB_DEVICE(0x0cf3, 0x9271) },
{ USB_DEVICE(0x0cf3, 0x1006) },
{ },
};
@ -790,21 +787,21 @@ static int ath9k_hif_usb_download_fw(struct hif_device_usb *hif_dev)
return -EIO;
dev_info(&hif_dev->udev->dev, "ath9k_htc: Transferred FW: %s, size: %ld\n",
"ar9271.fw", (unsigned long) hif_dev->firmware->size);
hif_dev->fw_name, (unsigned long) hif_dev->firmware->size);
return 0;
}
static int ath9k_hif_usb_dev_init(struct hif_device_usb *hif_dev,
const char *fw_name)
static int ath9k_hif_usb_dev_init(struct hif_device_usb *hif_dev)
{
int ret;
/* Request firmware */
ret = request_firmware(&hif_dev->firmware, fw_name, &hif_dev->udev->dev);
ret = request_firmware(&hif_dev->firmware, hif_dev->fw_name,
&hif_dev->udev->dev);
if (ret) {
dev_err(&hif_dev->udev->dev,
"ath9k_htc: Firmware - %s not found\n", fw_name);
"ath9k_htc: Firmware - %s not found\n", hif_dev->fw_name);
goto err_fw_req;
}
@ -820,7 +817,8 @@ static int ath9k_hif_usb_dev_init(struct hif_device_usb *hif_dev,
ret = ath9k_hif_usb_download_fw(hif_dev);
if (ret) {
dev_err(&hif_dev->udev->dev,
"ath9k_htc: Firmware - %s download failed\n", fw_name);
"ath9k_htc: Firmware - %s download failed\n",
hif_dev->fw_name);
goto err_fw_download;
}
@ -847,7 +845,6 @@ static int ath9k_hif_usb_probe(struct usb_interface *interface,
{
struct usb_device *udev = interface_to_usbdev(interface);
struct hif_device_usb *hif_dev;
const char *fw_name = (const char *) id->driver_info;
int ret = 0;
hif_dev = kzalloc(sizeof(struct hif_device_usb), GFP_KERNEL);
@ -872,7 +869,23 @@ static int ath9k_hif_usb_probe(struct usb_interface *interface,
goto err_htc_hw_alloc;
}
ret = ath9k_hif_usb_dev_init(hif_dev, fw_name);
/* Find out which firmware to load */
switch(hif_dev->device_id) {
case 0x9271:
case 0x1006:
hif_dev->fw_name = "ar9271.fw";
break;
default:
break;
}
if (!hif_dev->fw_name) {
dev_err(&udev->dev, "Can't determine firmware !\n");
goto err_htc_hw_alloc;
}
ret = ath9k_hif_usb_dev_init(hif_dev);
if (ret) {
ret = -EINVAL;
goto err_hif_init_usb;

1
drivers/net/wireless/ath/ath9k/hif_usb.h
View File

@ -90,6 +90,7 @@ struct hif_device_usb {
struct usb_anchor regout_submitted;
struct usb_anchor rx_submitted;
struct sk_buff *remain_skb;
const char *fw_name;
int rx_remain_len;
int rx_pkt_len;
int rx_transfer_len;