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path: root/drivers/bluetooth/btbcm.c
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Diffstat (limited to 'drivers/bluetooth/btbcm.c')
-rw-r--r--drivers/bluetooth/btbcm.c38
1 files changed, 20 insertions, 18 deletions
diff --git a/drivers/bluetooth/btbcm.c b/drivers/bluetooth/btbcm.c
index de2ea589aa49..d33cc70eec66 100644
--- a/drivers/bluetooth/btbcm.c
+++ b/drivers/bluetooth/btbcm.c
@@ -11,7 +11,8 @@
#include <linux/firmware.h>
#include <linux/dmi.h>
#include <linux/of.h>
-#include <asm/unaligned.h>
+#include <linux/string.h>
+#include <linux/unaligned.h>
#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci_core.h>
@@ -24,6 +25,7 @@
#define BDADDR_BCM20702A1 (&(bdaddr_t) {{0x00, 0x00, 0xa0, 0x02, 0x70, 0x20}})
#define BDADDR_BCM2076B1 (&(bdaddr_t) {{0x79, 0x56, 0x00, 0xa0, 0x76, 0x20}})
#define BDADDR_BCM43430A0 (&(bdaddr_t) {{0xac, 0x1f, 0x12, 0xa0, 0x43, 0x43}})
+#define BDADDR_BCM43430A1 (&(bdaddr_t) {{0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa}})
#define BDADDR_BCM4324B3 (&(bdaddr_t) {{0x00, 0x00, 0x00, 0xb3, 0x24, 0x43}})
#define BDADDR_BCM4330B1 (&(bdaddr_t) {{0x00, 0x00, 0x00, 0xb1, 0x30, 0x43}})
#define BDADDR_BCM4334B0 (&(bdaddr_t) {{0x00, 0x00, 0x00, 0xb0, 0x34, 0x43}})
@@ -115,6 +117,9 @@ int btbcm_check_bdaddr(struct hci_dev *hdev)
*
* The address 43:43:A0:12:1F:AC indicates a BCM43430A0 controller
* with no configured address.
+ *
+ * The address AA:AA:AA:AA:AA:AA indicates a BCM43430A1 controller
+ * with no configured address.
*/
if (!bacmp(&bda->bdaddr, BDADDR_BCM20702A0) ||
!bacmp(&bda->bdaddr, BDADDR_BCM20702A1) ||
@@ -124,12 +129,13 @@ int btbcm_check_bdaddr(struct hci_dev *hdev)
!bacmp(&bda->bdaddr, BDADDR_BCM4334B0) ||
!bacmp(&bda->bdaddr, BDADDR_BCM4345C5) ||
!bacmp(&bda->bdaddr, BDADDR_BCM43430A0) ||
+ !bacmp(&bda->bdaddr, BDADDR_BCM43430A1) ||
!bacmp(&bda->bdaddr, BDADDR_BCM43341B)) {
/* Try falling back to BDADDR EFI variable */
if (btbcm_set_bdaddr_from_efi(hdev) != 0) {
bt_dev_info(hdev, "BCM: Using default device address (%pMR)",
&bda->bdaddr);
- set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks);
+ hci_set_quirk(hdev, HCI_QUIRK_INVALID_BDADDR);
}
}
@@ -461,7 +467,7 @@ static int btbcm_print_controller_features(struct hci_dev *hdev)
/* Read DMI and disable broken Read LE Min/Max Tx Power */
if (dmi_first_match(disable_broken_read_transmit_power))
- set_bit(HCI_QUIRK_BROKEN_READ_TRANSMIT_POWER, &hdev->quirks);
+ hci_set_quirk(hdev, HCI_QUIRK_BROKEN_READ_TRANSMIT_POWER);
return 0;
}
@@ -535,13 +541,10 @@ static const struct bcm_subver_table bcm_usb_subver_table[] = {
static const char *btbcm_get_board_name(struct device *dev)
{
#ifdef CONFIG_OF
- struct device_node *root;
+ struct device_node *root __free(device_node) = of_find_node_by_path("/");
char *board_type;
const char *tmp;
- int len;
- int i;
- root = of_find_node_by_path("/");
if (!root)
return NULL;
@@ -549,14 +552,11 @@ static const char *btbcm_get_board_name(struct device *dev)
return NULL;
/* get rid of any '/' in the compatible string */
- len = strlen(tmp) + 1;
- board_type = devm_kzalloc(dev, len, GFP_KERNEL);
- strscpy(board_type, tmp, len);
- for (i = 0; i < len; i++) {
- if (board_type[i] == '/')
- board_type[i] = '-';
- }
- of_node_put(root);
+ board_type = devm_kstrdup(dev, tmp, GFP_KERNEL);
+ if (!board_type)
+ return NULL;
+
+ strreplace(board_type, '/', '-');
return board_type;
#else
@@ -642,7 +642,9 @@ int btbcm_initialize(struct hci_dev *hdev, bool *fw_load_done, bool use_autobaud
snprintf(postfix, sizeof(postfix), "-%4.4x-%4.4x", vid, pid);
}
- fw_name = kmalloc(BCM_FW_NAME_COUNT_MAX * BCM_FW_NAME_LEN, GFP_KERNEL);
+ fw_name = kmalloc_array(BCM_FW_NAME_COUNT_MAX,
+ sizeof(*fw_name),
+ GFP_KERNEL);
if (!fw_name)
return -ENOMEM;
@@ -706,7 +708,7 @@ int btbcm_finalize(struct hci_dev *hdev, bool *fw_load_done, bool use_autobaud_m
btbcm_check_bdaddr(hdev);
- set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks);
+ hci_set_quirk(hdev, HCI_QUIRK_STRICT_DUPLICATE_FILTER);
return 0;
}
@@ -769,7 +771,7 @@ int btbcm_setup_apple(struct hci_dev *hdev)
kfree_skb(skb);
}
- set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks);
+ hci_set_quirk(hdev, HCI_QUIRK_STRICT_DUPLICATE_FILTER);
return 0;
}