AcoSail/kernel_optimize_test
8
0
Fork 0
forked from luck/tmp_suning_uos_patched
Code Pull Requests Activity

Bluetooth: btusb: Use generic functionality by Broadcom module

Browse Source 
The new Broadcom Bluetooth support module provides generic functionality
for changing and checking the Bluetooth device address. Use these new
features instead of keeping a duplicate in the driver.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
This commit is contained in:
Marcel Holtmann 2015-04-05 22:52:11 -07:00
parent 4fba30f07f
commit 1df1f59108
2 changed files with 5 additions and 58 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/bluetooth/Kconfig
View File

@ -8,6 +8,7 @@ config BT_BCM
config BT_HCIBTUSB
tristate "HCI USB driver"
depends on USB
select BT_BCM
help
Bluetooth HCI USB driver.
This driver is required if you want to use Bluetooth devices with

62
drivers/bluetooth/btusb.c
View File

@ -29,6 +29,8 @@
#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci_core.h>
#include "btbcm.h"
#define VERSION "0.7"
static bool disable_scofix;
@ -2418,8 +2420,6 @@ static const struct {
{ }
};
#define BDADDR_BCM20702A0 (&(bdaddr_t) {{0x00, 0xa0, 0x02, 0x70, 0x20, 0x00}})
static int btusb_setup_bcm_patchram(struct hci_dev *hdev)
{
struct btusb_data *data = hci_get_drvdata(hdev);
@ -2434,7 +2434,6 @@ static int btusb_setup_bcm_patchram(struct hci_dev *hdev)
const char *hw_name = NULL;
struct sk_buff *skb;
struct hci_rp_read_local_version *ver;
struct hci_rp_read_bd_addr *bda;
long ret;
int i;
@ -2572,43 +2571,7 @@ static int btusb_setup_bcm_patchram(struct hci_dev *hdev)
hw_name ? : "BCM", (subver & 0x7000) >> 13,
(subver & 0x1f00) >> 8, (subver & 0x00ff), rev & 0x0fff);
/* Read BD Address */
skb = __hci_cmd_sync(hdev, HCI_OP_READ_BD_ADDR, 0, NULL,
HCI_INIT_TIMEOUT);
if (IS_ERR(skb)) {
ret = PTR_ERR(skb);
BT_ERR("%s: HCI_OP_READ_BD_ADDR failed (%ld)",
hdev->name, ret);
goto done;
}
if (skb->len != sizeof(*bda)) {
BT_ERR("%s: HCI_OP_READ_BD_ADDR event length mismatch",
hdev->name);
kfree_skb(skb);
ret = -EIO;
goto done;
}
bda = (struct hci_rp_read_bd_addr *)skb->data;
if (bda->status) {
BT_ERR("%s: HCI_OP_READ_BD_ADDR error status (%02x)",
hdev->name, bda->status);
kfree_skb(skb);
ret = -bt_to_errno(bda->status);
goto done;
}
/* The address 00:20:70:02:A0:00 indicates a BCM20702A0 controller
* with no configured address.
*/
if (!bacmp(&bda->bdaddr, BDADDR_BCM20702A0)) {
BT_INFO("%s: BCM: using default device address (%pMR)",
hdev->name, &bda->bdaddr);
set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks);
}
kfree_skb(skb);
btbcm_check_bdaddr(hdev);
done:
release_firmware(fw);
@ -2616,23 +2579,6 @@ static int btusb_setup_bcm_patchram(struct hci_dev *hdev)
return ret;
}
static int btusb_set_bdaddr_bcm(struct hci_dev *hdev, const bdaddr_t *bdaddr)
{
struct sk_buff *skb;
long ret;
skb = __hci_cmd_sync(hdev, 0xfc01, 6, bdaddr, HCI_INIT_TIMEOUT);
if (IS_ERR(skb)) {
ret = PTR_ERR(skb);
BT_ERR("%s: BCM: Change address command failed (%ld)",
hdev->name, ret);
return ret;
}
kfree_skb(skb);
return 0;
}
static int btusb_setup_bcm_apple(struct hci_dev *hdev)
{
struct sk_buff *skb;
@ -3056,7 +3002,7 @@ static int btusb_probe(struct usb_interface *intf,
if (id->driver_info & BTUSB_BCM_PATCHRAM) {
hdev->setup = btusb_setup_bcm_patchram;
hdev->set_bdaddr = btusb_set_bdaddr_bcm;
hdev->set_bdaddr = btbcm_set_bdaddr;
set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks);
}