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path: root/drivers/staging/btmtk_usb/btmtk_usb.c
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Diffstat (limited to 'drivers/staging/btmtk_usb/btmtk_usb.c')
-rw-r--r--drivers/staging/btmtk_usb/btmtk_usb.c317
1 files changed, 172 insertions, 145 deletions
diff --git a/drivers/staging/btmtk_usb/btmtk_usb.c b/drivers/staging/btmtk_usb/btmtk_usb.c
index 0e783e8d71ca..7a9bf3b57810 100644
--- a/drivers/staging/btmtk_usb/btmtk_usb.c
+++ b/drivers/staging/btmtk_usb/btmtk_usb.c
@@ -16,7 +16,8 @@
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- * or on the worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
+ * or on the worldwide web at
+ * http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
*
*/
@@ -72,8 +73,9 @@ static int btmtk_usb_reset(struct usb_device *udev)
BT_DBG("%s\n", __func__);
- ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), 0x01, DEVICE_VENDOR_REQUEST_OUT,
- 0x01, 0x00, NULL, 0x00, CONTROL_TIMEOUT_JIFFIES);
+ ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), 0x01,
+ DEVICE_VENDOR_REQUEST_OUT, 0x01, 0x00,
+ NULL, 0x00, CONTROL_TIMEOUT_JIFFIES);
if (ret < 0) {
BT_ERR("%s error(%d)\n", __func__, ret);
@@ -91,20 +93,22 @@ static int btmtk_usb_io_read32(struct btmtk_usb_data *data, u32 reg, u32 *val)
u8 request = data->r_request;
struct usb_device *udev = data->udev;
int ret;
+ __le32 val_le;
- ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), request, DEVICE_VENDOR_REQUEST_IN,
- 0x0, reg, data->io_buf, 4,
- CONTROL_TIMEOUT_JIFFIES);
+ ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), request,
+ DEVICE_VENDOR_REQUEST_IN, 0x0, reg, data->io_buf,
+ 4, CONTROL_TIMEOUT_JIFFIES);
if (ret < 0) {
*val = 0xffffffff;
- BT_ERR("%s error(%d), reg=%x, value=%x\n", __func__, ret, reg, *val);
+ BT_ERR("%s error(%d), reg=%x, value=%x\n",
+ __func__, ret, reg, *val);
return ret;
}
- memmove(val, data->io_buf, 4);
+ memmove(&val_le, data->io_buf, 4);
- *val = le32_to_cpu(*val);
+ *val = le32_to_cpu(val_le);
if (ret > 0)
ret = 0;
@@ -122,12 +126,13 @@ static int btmtk_usb_io_write32(struct btmtk_usb_data *data, u32 reg, u32 val)
index = (u16)reg;
value = val & 0x0000ffff;
- ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), request, DEVICE_VENDOR_REQUEST_OUT,
- value, index, NULL, 0,
- CONTROL_TIMEOUT_JIFFIES);
+ ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), request,
+ DEVICE_VENDOR_REQUEST_OUT, value, index,
+ NULL, 0, CONTROL_TIMEOUT_JIFFIES);
if (ret < 0) {
- BT_ERR("%s error(%d), reg=%x, value=%x\n", __func__, ret, reg, val);
+ BT_ERR("%s error(%d), reg=%x, value=%x\n",
+ __func__, ret, reg, val);
return ret;
}
@@ -139,7 +144,8 @@ static int btmtk_usb_io_write32(struct btmtk_usb_data *data, u32 reg, u32 val)
value, index, NULL, 0, CONTROL_TIMEOUT_JIFFIES);
if (ret < 0) {
- BT_ERR("%s error(%d), reg=%x, value=%x\n", __func__, ret, reg, val);
+ BT_ERR("%s error(%d), reg=%x, value=%x\n",
+ __func__, ret, reg, val);
return ret;
}
@@ -186,13 +192,15 @@ static void btmtk_usb_cap_init(struct btmtk_usb_data *data)
ret = request_firmware(&firmware, MT7650_FIRMWARE, &udev->dev);
if (ret < 0) {
if (ret == -ENOENT) {
- BT_ERR("Firmware file \"%s\" not found \n", MT7650_FIRMWARE);
+ BT_ERR("Firmware file \"%s\" not found\n",
+ MT7650_FIRMWARE);
} else {
- BT_ERR("Firmware file \"%s\" request failed (err=%d) \n",
+ BT_ERR("Firmware file \"%s\" request failed (err=%d)\n",
MT7650_FIRMWARE, ret);
}
} else {
- BT_DBG("Firmware file \"%s\" Found \n", MT7650_FIRMWARE);
+ BT_DBG("Firmware file \"%s\" Found\n",
+ MT7650_FIRMWARE);
/* load firmware here */
data->firmware = firmware;
btmtk_usb_load_fw(data);
@@ -205,7 +213,8 @@ static void btmtk_usb_cap_init(struct btmtk_usb_data *data)
ret = request_firmware(&firmware, MT7662_FIRMWARE, &udev->dev);
if (ret < 0) {
if (ret == -ENOENT) {
- BT_ERR("Firmware file \"%s\" not found\n", MT7662_FIRMWARE);
+ BT_ERR("Firmware file \"%s\" not found\n",
+ MT7662_FIRMWARE);
} else {
BT_ERR("Firmware file \"%s\" request failed (err=%d)\n",
MT7662_FIRMWARE, ret);
@@ -241,9 +250,8 @@ static u16 checksume16(u8 *pData, int len)
if (len)
sum += *((u8 *)pData);
- while (sum >> 16) {
+ while (sum >> 16)
sum = (sum & 0xFFFF) + (sum >> 16);
- }
return ~sum;
}
@@ -258,13 +266,12 @@ static int btmtk_usb_chk_crc(struct btmtk_usb_data *data, u32 checksum_len)
memmove(data->io_buf, &data->rom_patch_offset, 4);
memmove(&data->io_buf[4], &checksum_len, 4);
- ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), 0x1, DEVICE_VENDOR_REQUEST_IN,
- 0x20, 0x00, data->io_buf, 8,
- CONTROL_TIMEOUT_JIFFIES);
+ ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), 0x1,
+ DEVICE_VENDOR_REQUEST_IN, 0x20, 0x00, data->io_buf,
+ 8, CONTROL_TIMEOUT_JIFFIES);
- if (ret < 0) {
+ if (ret < 0)
BT_ERR("%s error(%d)\n", __func__, ret);
- }
return ret;
}
@@ -274,6 +281,7 @@ static u16 btmtk_usb_get_crc(struct btmtk_usb_data *data)
int ret = 0;
struct usb_device *udev = data->udev;
u16 crc, count = 0;
+ __le16 crc_le;
BT_DBG("%s\n", __func__);
@@ -288,9 +296,9 @@ static u16 btmtk_usb_get_crc(struct btmtk_usb_data *data)
BT_ERR("%s error(%d)\n", __func__, ret);
}
- memmove(&crc, data->io_buf, 2);
+ memmove(&crc_le, data->io_buf, 2);
- crc = le16_to_cpu(crc);
+ crc = le16_to_cpu(crc_le);
if (crc != 0xFFFF)
break;
@@ -318,8 +326,8 @@ static int btmtk_usb_reset_wmt(struct btmtk_usb_data *data)
BT_DBG("%s\n", __func__);
ret = usb_control_msg(data->udev, usb_sndctrlpipe(data->udev, 0), 0x01,
- DEVICE_CLASS_REQUEST_OUT, 0x12, 0x00, data->io_buf,
- 8, CONTROL_TIMEOUT_JIFFIES);
+ DEVICE_CLASS_REQUEST_OUT, 0x12, 0x00,
+ data->io_buf, 8, CONTROL_TIMEOUT_JIFFIES);
if (ret)
BT_ERR("%s:(%d)\n", __func__, ret);
@@ -350,7 +358,8 @@ static int btmtk_usb_load_rom_patch(struct btmtk_usb_data *data)
unsigned char phase;
void *buf;
char *pos;
- unsigned int pipe = usb_sndbulkpipe(data->udev, data->bulk_tx_ep->bEndpointAddress);
+ unsigned int pipe;
+ pipe = usb_sndbulkpipe(data->udev, data->bulk_tx_ep->bEndpointAddress);
if (!data->firmware) {
BT_ERR("%s:please assign a rom patch\n", __func__);
@@ -391,7 +400,8 @@ load_patch_protect:
goto error0;
}
- buf = usb_alloc_coherent(data->udev, UPLOAD_PATCH_UNIT, GFP_ATOMIC, &data_dma);
+ buf = usb_alloc_coherent(data->udev, UPLOAD_PATCH_UNIT,
+ GFP_ATOMIC, &data_dma);
if (!buf) {
ret = -ENOMEM;
@@ -409,78 +419,82 @@ load_patch_protect:
/* loading rom patch */
while (1) {
s32 sent_len_max = UPLOAD_PATCH_UNIT - PATCH_HEADER_SIZE;
- sent_len = (patch_len - cur_len) >= sent_len_max ? sent_len_max : (patch_len - cur_len);
+ sent_len = min_t(s32, (patch_len - cur_len), sent_len_max);
BT_DBG("patch_len = %d\n", patch_len);
BT_DBG("cur_len = %d\n", cur_len);
BT_DBG("sent_len = %d\n", sent_len);
- if (sent_len > 0) {
- if (first_block == 1) {
- if (sent_len < sent_len_max)
- phase = PATCH_PHASE3;
- else
- phase = PATCH_PHASE1;
- first_block = 0;
- } else if (sent_len == sent_len_max) {
- phase = PATCH_PHASE2;
- } else {
+ if (sent_len <= 0)
+ break;
+
+ if (first_block == 1) {
+ if (sent_len < sent_len_max)
phase = PATCH_PHASE3;
- }
+ else
+ phase = PATCH_PHASE1;
+ first_block = 0;
+ } else if (sent_len == sent_len_max) {
+ phase = PATCH_PHASE2;
+ } else {
+ phase = PATCH_PHASE3;
+ }
- /* prepare HCI header */
- pos[0] = 0x6F;
- pos[1] = 0xFC;
- pos[2] = (sent_len + 5) & 0xFF;
- pos[3] = ((sent_len + 5) >> 8) & 0xFF;
+ /* prepare HCI header */
+ pos[0] = 0x6F;
+ pos[1] = 0xFC;
+ pos[2] = (sent_len + 5) & 0xFF;
+ pos[3] = ((sent_len + 5) >> 8) & 0xFF;
- /* prepare WMT header */
- pos[4] = 0x01;
- pos[5] = 0x01;
- pos[6] = (sent_len + 1) & 0xFF;
- pos[7] = ((sent_len + 1) >> 8) & 0xFF;
+ /* prepare WMT header */
+ pos[4] = 0x01;
+ pos[5] = 0x01;
+ pos[6] = (sent_len + 1) & 0xFF;
+ pos[7] = ((sent_len + 1) >> 8) & 0xFF;
- pos[8] = phase;
+ pos[8] = phase;
- memcpy(&pos[9], data->firmware->data + PATCH_INFO_SIZE + cur_len, sent_len);
+ memcpy(&pos[9],
+ data->firmware->data + PATCH_INFO_SIZE + cur_len,
+ sent_len);
- BT_DBG("sent_len + PATCH_HEADER_SIZE = %d, phase = %d\n",
- sent_len + PATCH_HEADER_SIZE, phase);
+ BT_DBG("sent_len + PATCH_HEADER_SIZE = %d, phase = %d\n",
+ sent_len + PATCH_HEADER_SIZE, phase);
- usb_fill_bulk_urb(urb,
- data->udev,
- pipe,
- buf,
- sent_len + PATCH_HEADER_SIZE,
- load_rom_patch_complete,
- &sent_to_mcu_done);
+ usb_fill_bulk_urb(urb,
+ data->udev,
+ pipe,
+ buf,
+ sent_len + PATCH_HEADER_SIZE,
+ load_rom_patch_complete,
+ &sent_to_mcu_done);
- urb->transfer_dma = data_dma;
- urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
+ urb->transfer_dma = data_dma;
+ urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
- ret = usb_submit_urb(urb, GFP_ATOMIC);
+ ret = usb_submit_urb(urb, GFP_ATOMIC);
- if (ret)
- goto error2;
+ if (ret)
+ goto error2;
- if (!wait_for_completion_timeout(&sent_to_mcu_done, msecs_to_jiffies(1000))) {
- usb_kill_urb(urb);
- BT_ERR("upload rom_patch timeout\n");
- goto error2;
- }
+ if (!wait_for_completion_timeout(&sent_to_mcu_done,
+ msecs_to_jiffies(1000))) {
+ usb_kill_urb(urb);
+ BT_ERR("upload rom_patch timeout\n");
+ goto error2;
+ }
- BT_DBG(".");
+ BT_DBG(".");
- mdelay(200);
+ mdelay(200);
- cur_len += sent_len;
+ cur_len += sent_len;
- } else {
- break;
- }
}
- total_checksum = checksume16((u8 *)data->firmware->data + PATCH_INFO_SIZE, patch_len);
+ total_checksum = checksume16(
+ (u8 *)data->firmware->data + PATCH_INFO_SIZE,
+ patch_len);
BT_DBG("Send checksum req..\n");
@@ -520,8 +534,8 @@ static int load_fw_iv(struct btmtk_usb_data *data)
memmove(buf, data->firmware->data + 32, 64);
ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), 0x01,
- DEVICE_VENDOR_REQUEST_OUT, 0x12, 0x0, buf, 64,
- CONTROL_TIMEOUT_JIFFIES);
+ DEVICE_VENDOR_REQUEST_OUT, 0x12, 0x0, buf, 64,
+ CONTROL_TIMEOUT_JIFFIES);
if (ret < 0) {
BT_ERR("%s error(%d) step4\n", __func__, ret);
@@ -552,6 +566,7 @@ static int btmtk_usb_load_fw(struct btmtk_usb_data *data)
void *buf;
u32 cur_len = 0;
u32 packet_header = 0;
+ __le32 packet_header_le;
u32 value;
u32 ilm_len = 0, dlm_len = 0;
u16 fw_ver, build_ver;
@@ -559,7 +574,8 @@ static int btmtk_usb_load_fw(struct btmtk_usb_data *data)
dma_addr_t data_dma;
int ret = 0, sent_len;
struct completion sent_to_mcu_done;
- unsigned int pipe = usb_sndbulkpipe(data->udev, data->bulk_tx_ep->bEndpointAddress);
+ unsigned int pipe;
+ pipe = usb_sndbulkpipe(data->udev, data->bulk_tx_ep->bEndpointAddress);
if (!data->firmware) {
BT_ERR("%s:please assign a fw\n", __func__);
@@ -598,9 +614,11 @@ loadfw_protect:
| (*(data->firmware->data + 5) << 8)
| (*(data->firmware->data + 4));
- fw_ver = (*(data->firmware->data + 11) << 8) | (*(data->firmware->data + 10));
+ fw_ver = (*(data->firmware->data + 11) << 8) |
+ (*(data->firmware->data + 10));
- build_ver = (*(data->firmware->data + 9) << 8) | (*(data->firmware->data + 8));
+ build_ver = (*(data->firmware->data + 9) << 8) |
+ (*(data->firmware->data + 8));
BT_DBG("fw version:%d.%d.%02d ",
(fw_ver & 0xf000) >> 8,
@@ -657,22 +675,22 @@ loadfw_protect:
/* Loading ILM */
while (1) {
- sent_len = (ilm_len - cur_len) >= 14336 ? 14336 : (ilm_len - cur_len);
+ sent_len = min_t(s32, (ilm_len - cur_len), 14336);
if (sent_len > 0) {
packet_header &= ~(0xffffffff);
packet_header |= (sent_len << 16);
- packet_header = cpu_to_le32(packet_header);
+ packet_header_le = cpu_to_le32(packet_header);
- memmove(buf, &packet_header, 4);
- memmove(buf + 4, data->firmware->data + 32 + cur_len, sent_len);
+ memmove(buf, &packet_header_le, 4);
+ memmove(buf + 4, data->firmware->data + 32 + cur_len,
+ sent_len);
/* U2M_PDMA descriptor */
btmtk_usb_io_write32(data, 0x230, cur_len);
- while ((sent_len % 4) != 0) {
+ while ((sent_len % 4) != 0)
sent_len++;
- }
/* U2M_PDMA length */
btmtk_usb_io_write32(data, 0x234, sent_len << 16);
@@ -693,7 +711,8 @@ loadfw_protect:
if (ret)
goto error3;
- if (!wait_for_completion_timeout(&sent_to_mcu_done, msecs_to_jiffies(1000))) {
+ if (!wait_for_completion_timeout(&sent_to_mcu_done,
+ msecs_to_jiffies(1000))) {
usb_kill_urb(urb);
BT_ERR("upload ilm fw timeout\n");
goto error3;
@@ -714,58 +733,60 @@ loadfw_protect:
/* Loading DLM */
while (1) {
- sent_len = (dlm_len - cur_len) >= 14336 ? 14336 : (dlm_len - cur_len);
+ sent_len = min_t(s32, (dlm_len - cur_len), 14336);
- if (sent_len > 0) {
- packet_header &= ~(0xffffffff);
- packet_header |= (sent_len << 16);
- packet_header = cpu_to_le32(packet_header);
+ if (sent_len <= 0)
+ break;
- memmove(buf, &packet_header, 4);
- memmove(buf + 4, data->firmware->data + 32 + ilm_len + cur_len, sent_len);
+ packet_header &= ~(0xffffffff);
+ packet_header |= (sent_len << 16);
+ packet_header_le = cpu_to_le32(packet_header);
- /* U2M_PDMA descriptor */
- btmtk_usb_io_write32(data, 0x230, 0x80000 + cur_len);
+ memmove(buf, &packet_header_le, 4);
+ memmove(buf + 4,
+ data->firmware->data + 32 + ilm_len + cur_len,
+ sent_len);
- while ((sent_len % 4) != 0) {
- BT_DBG("sent_len is not divided by 4\n");
- sent_len++;
- }
+ /* U2M_PDMA descriptor */
+ btmtk_usb_io_write32(data, 0x230, 0x80000 + cur_len);
- /* U2M_PDMA length */
- btmtk_usb_io_write32(data, 0x234, sent_len << 16);
+ while ((sent_len % 4) != 0) {
+ BT_DBG("sent_len is not divided by 4\n");
+ sent_len++;
+ }
- usb_fill_bulk_urb(urb,
- udev,
- pipe,
- buf,
- sent_len + 4,
- load_fw_complete,
- &sent_to_mcu_done);
+ /* U2M_PDMA length */
+ btmtk_usb_io_write32(data, 0x234, sent_len << 16);
- urb->transfer_dma = data_dma;
- urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
+ usb_fill_bulk_urb(urb,
+ udev,
+ pipe,
+ buf,
+ sent_len + 4,
+ load_fw_complete,
+ &sent_to_mcu_done);
- ret = usb_submit_urb(urb, GFP_ATOMIC);
+ urb->transfer_dma = data_dma;
+ urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
- if (ret)
- goto error3;
+ ret = usb_submit_urb(urb, GFP_ATOMIC);
- if (!wait_for_completion_timeout(&sent_to_mcu_done, msecs_to_jiffies(1000))) {
- usb_kill_urb(urb);
- BT_ERR("upload dlm fw timeout\n");
- goto error3;
- }
+ if (ret)
+ goto error3;
- BT_DBG(".");
+ if (!wait_for_completion_timeout(&sent_to_mcu_done,
+ msecs_to_jiffies(1000))) {
+ usb_kill_urb(urb);
+ BT_ERR("upload dlm fw timeout\n");
+ goto error3;
+ }
- mdelay(500);
+ BT_DBG(".");
- cur_len += sent_len;
+ mdelay(500);
+
+ cur_len += sent_len;
- } else {
- break;
- }
}
/* upload 64bytes interrupt vector */
@@ -921,9 +942,8 @@ static void btmtk_usb_bulk_in_complete(struct urb *urb)
BT_DBG("%s:%s urb %p status %d count %d", __func__, hdev->name,
urb, urb->status, urb->actual_length);
- if (!test_bit(HCI_RUNNING, &hdev->flags)) {
+ if (!test_bit(HCI_RUNNING, &hdev->flags))
return;
- }
if (urb->status == 0) {
hdev->stat.byte_rx += urb->actual_length;
@@ -978,8 +998,8 @@ static int btmtk_usb_submit_bulk_in_urb(struct hci_dev *hdev, gfp_t mem_flags)
pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress);
- usb_fill_bulk_urb(urb, data->udev, pipe,
- buf, size, btmtk_usb_bulk_in_complete, hdev);
+ usb_fill_bulk_urb(urb, data->udev, pipe, buf, size,
+ btmtk_usb_bulk_in_complete, hdev);
urb->transfer_flags |= URB_FREE_BUFFER;
@@ -1015,7 +1035,8 @@ static void btmtk_usb_isoc_in_complete(struct urb *urb)
if (urb->status == 0) {
for (i = 0; i < urb->number_of_packets; i++) {
unsigned int offset = urb->iso_frame_desc[i].offset;
- unsigned int length = urb->iso_frame_desc[i].actual_length;
+ unsigned int length;
+ length = urb->iso_frame_desc[i].actual_length;
if (urb->iso_frame_desc[i].status)
continue;
@@ -1096,8 +1117,9 @@ static int btmtk_usb_submit_isoc_in_urb(struct hci_dev *hdev, gfp_t mem_flags)
pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress);
- usb_fill_int_urb(urb, data->udev, pipe, buf, size, btmtk_usb_isoc_in_complete,
- hdev, data->isoc_rx_ep->bInterval);
+ usb_fill_int_urb(urb, data->udev, pipe, buf, size,
+ btmtk_usb_isoc_in_complete, hdev,
+ data->isoc_rx_ep->bInterval);
urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP;
@@ -1306,7 +1328,8 @@ static int btmtk_usb_send_frame(struct sk_buff *skb)
}
usb_fill_control_urb(urb, data->udev, pipe, (void *) dr,
- skb->data, skb->len, btmtk_usb_tx_complete, skb);
+ skb->data, skb->len,
+ btmtk_usb_tx_complete, skb);
hdev->stat.cmd_tx++;
break;
@@ -1322,8 +1345,8 @@ static int btmtk_usb_send_frame(struct sk_buff *skb)
pipe = usb_sndbulkpipe(data->udev,
data->bulk_tx_ep->bEndpointAddress);
- usb_fill_bulk_urb(urb, data->udev, pipe,
- skb->data, skb->len, btmtk_usb_tx_complete, skb);
+ usb_fill_bulk_urb(urb, data->udev, pipe, skb->data,
+ skb->len, btmtk_usb_tx_complete, skb);
hdev->stat.acl_tx++;
BT_DBG("HCI_ACLDATA_PKT:\n");
@@ -1442,7 +1465,8 @@ static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting)
static void btmtk_usb_work(struct work_struct *work)
{
- struct btmtk_usb_data *data = container_of(work, struct btmtk_usb_data, work);
+ struct btmtk_usb_data *data = container_of(work, struct btmtk_usb_data,
+ work);
struct hci_dev *hdev = data->hdev;
int new_alts;
int err;
@@ -1451,7 +1475,8 @@ static void btmtk_usb_work(struct work_struct *work)
if (hdev->conn_hash.sco_num > 0) {
if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) {
- err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf);
+ err = usb_autopm_get_interface(data->isoc ?
+ data->isoc : data->intf);
if (err < 0) {
clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
usb_kill_anchored_urbs(&data->isoc_anchor);
@@ -1489,13 +1514,15 @@ static void btmtk_usb_work(struct work_struct *work)
__set_isoc_interface(hdev, 0);
if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags))
- usb_autopm_put_interface(data->isoc ? data->isoc : data->intf);
+ usb_autopm_put_interface(data->isoc ?
+ data->isoc : data->intf);
}
}
static void btmtk_usb_waker(struct work_struct *work)
{
- struct btmtk_usb_data *data = container_of(work, struct btmtk_usb_data, waker);
+ struct btmtk_usb_data *data = container_of(work, struct btmtk_usb_data,
+ waker);
int err;
err = usb_autopm_get_interface(data->intf);
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