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-rw-r--r--drivers/bluetooth/Kconfig2
-rw-r--r--drivers/bluetooth/ath3k.c3
-rw-r--r--drivers/bluetooth/bluecard_cs.c58
-rw-r--r--drivers/bluetooth/bt3c_cs.c8
-rw-r--r--drivers/bluetooth/btbcm.c69
-rw-r--r--drivers/bluetooth/btmrvl_sdio.c6
-rw-r--r--drivers/bluetooth/btqca.c2
-rw-r--r--drivers/bluetooth/btrtl.c2
-rw-r--r--drivers/bluetooth/btsdio.c3
-rw-r--r--drivers/bluetooth/btuart_cs.c8
-rw-r--r--drivers/bluetooth/btusb.c68
-rw-r--r--drivers/bluetooth/btwilink.c8
-rw-r--r--drivers/bluetooth/hci_bcm.c133
-rw-r--r--drivers/bluetooth/hci_h4.c2
-rw-r--r--drivers/bluetooth/hci_ldisc.c3
-rw-r--r--drivers/bluetooth/hci_ll.c11
-rw-r--r--drivers/bluetooth/hci_nokia.c10
-rw-r--r--drivers/bluetooth/hci_serdev.c13
-rw-r--r--drivers/bluetooth/hci_uart.h1
19 files changed, 289 insertions, 121 deletions
diff --git a/drivers/bluetooth/Kconfig b/drivers/bluetooth/Kconfig
index 35952a94875e..fae5a74dc737 100644
--- a/drivers/bluetooth/Kconfig
+++ b/drivers/bluetooth/Kconfig
@@ -98,6 +98,7 @@ config BT_HCIUART_NOKIA
depends on BT_HCIUART_SERDEV
depends on PM
select BT_HCIUART_H4
+ select BT_BCM
help
Nokia H4+ is serial protocol for communication between Bluetooth
device and host. This protocol is required for Bluetooth devices
@@ -167,6 +168,7 @@ config BT_HCIUART_INTEL
config BT_HCIUART_BCM
bool "Broadcom protocol support"
depends on BT_HCIUART
+ depends on BT_HCIUART_SERDEV
select BT_HCIUART_H4
select BT_BCM
help
diff --git a/drivers/bluetooth/ath3k.c b/drivers/bluetooth/ath3k.c
index b793853ff05f..204afe66de92 100644
--- a/drivers/bluetooth/ath3k.c
+++ b/drivers/bluetooth/ath3k.c
@@ -140,7 +140,8 @@ MODULE_DEVICE_TABLE(usb, ath3k_table);
#define BTUSB_ATH3012 0x80
/* This table is to load patch and sysconfig files
- * for AR3012 */
+ * for AR3012
+ */
static const struct usb_device_id ath3k_blist_tbl[] = {
/* Atheros AR3012 with sflash firmware*/
diff --git a/drivers/bluetooth/bluecard_cs.c b/drivers/bluetooth/bluecard_cs.c
index d4b0b655dde6..b07ca9565291 100644
--- a/drivers/bluetooth/bluecard_cs.c
+++ b/drivers/bluetooth/bluecard_cs.c
@@ -93,6 +93,7 @@ static void bluecard_detach(struct pcmcia_device *p_dev);
/* Hardware states */
#define CARD_READY 1
+#define CARD_ACTIVITY 2
#define CARD_HAS_PCCARD_ID 4
#define CARD_HAS_POWER_LED 5
#define CARD_HAS_ACTIVITY_LED 6
@@ -160,16 +161,14 @@ static void bluecard_activity_led_timeout(u_long arg)
struct bluecard_info *info = (struct bluecard_info *)arg;
unsigned int iobase = info->p_dev->resource[0]->start;
- if (!test_bit(CARD_HAS_PCCARD_ID, &(info->hw_state)))
- return;
-
- if (test_bit(CARD_HAS_ACTIVITY_LED, &(info->hw_state))) {
- /* Disable activity LED */
- outb(0x08 | 0x20, iobase + 0x30);
- } else {
- /* Disable power LED */
- outb(0x00, iobase + 0x30);
+ if (test_bit(CARD_ACTIVITY, &(info->hw_state))) {
+ /* leave LED in inactive state for HZ/10 for blink effect */
+ clear_bit(CARD_ACTIVITY, &(info->hw_state));
+ mod_timer(&(info->timer), jiffies + HZ / 10);
}
+
+ /* Disable activity LED, enable power LED */
+ outb(0x08 | 0x20, iobase + 0x30);
}
@@ -177,22 +176,22 @@ static void bluecard_enable_activity_led(struct bluecard_info *info)
{
unsigned int iobase = info->p_dev->resource[0]->start;
- if (!test_bit(CARD_HAS_PCCARD_ID, &(info->hw_state)))
+ /* don't disturb running blink timer */
+ if (timer_pending(&(info->timer)))
return;
- if (test_bit(CARD_HAS_ACTIVITY_LED, &(info->hw_state))) {
- /* Enable activity LED */
- outb(0x10 | 0x40, iobase + 0x30);
+ set_bit(CARD_ACTIVITY, &(info->hw_state));
- /* Stop the LED after HZ/4 */
- mod_timer(&(info->timer), jiffies + HZ / 4);
+ if (test_bit(CARD_HAS_ACTIVITY_LED, &(info->hw_state))) {
+ /* Enable activity LED, keep power LED enabled */
+ outb(0x18 | 0x60, iobase + 0x30);
} else {
- /* Enable power LED */
- outb(0x08 | 0x20, iobase + 0x30);
-
- /* Stop the LED after HZ/2 */
- mod_timer(&(info->timer), jiffies + HZ / 2);
+ /* Disable power LED */
+ outb(0x00, iobase + 0x30);
}
+
+ /* Stop the LED after HZ/10 */
+ mod_timer(&(info->timer), jiffies + HZ / 10);
}
@@ -625,16 +624,13 @@ static int bluecard_hci_flush(struct hci_dev *hdev)
static int bluecard_hci_open(struct hci_dev *hdev)
{
struct bluecard_info *info = hci_get_drvdata(hdev);
+ unsigned int iobase = info->p_dev->resource[0]->start;
if (test_bit(CARD_HAS_PCCARD_ID, &(info->hw_state)))
bluecard_hci_set_baud_rate(hdev, DEFAULT_BAUD_RATE);
- if (test_bit(CARD_HAS_PCCARD_ID, &(info->hw_state))) {
- unsigned int iobase = info->p_dev->resource[0]->start;
-
- /* Enable LED */
- outb(0x08 | 0x20, iobase + 0x30);
- }
+ /* Enable power LED */
+ outb(0x08 | 0x20, iobase + 0x30);
return 0;
}
@@ -643,15 +639,15 @@ static int bluecard_hci_open(struct hci_dev *hdev)
static int bluecard_hci_close(struct hci_dev *hdev)
{
struct bluecard_info *info = hci_get_drvdata(hdev);
+ unsigned int iobase = info->p_dev->resource[0]->start;
bluecard_hci_flush(hdev);
- if (test_bit(CARD_HAS_PCCARD_ID, &(info->hw_state))) {
- unsigned int iobase = info->p_dev->resource[0]->start;
+ /* Stop LED timer */
+ del_timer_sync(&(info->timer));
- /* Disable LED */
- outb(0x00, iobase + 0x30);
- }
+ /* Disable power LED */
+ outb(0x00, iobase + 0x30);
return 0;
}
diff --git a/drivers/bluetooth/bt3c_cs.c b/drivers/bluetooth/bt3c_cs.c
index 32dcac017395..194788739a83 100644
--- a/drivers/bluetooth/bt3c_cs.c
+++ b/drivers/bluetooth/bt3c_cs.c
@@ -684,14 +684,16 @@ static int bt3c_config(struct pcmcia_device *link)
unsigned long try;
/* First pass: look for a config entry that looks normal.
- Two tries: without IO aliases, then with aliases */
+ * Two tries: without IO aliases, then with aliases
+ */
for (try = 0; try < 2; try++)
if (!pcmcia_loop_config(link, bt3c_check_config, (void *) try))
goto found_port;
/* Second pass: try to find an entry that isn't picky about
- its base address, then try to grab any standard serial port
- address, and finally try to get any free port. */
+ * its base address, then try to grab any standard serial port
+ * address, and finally try to get any free port.
+ */
if (!pcmcia_loop_config(link, bt3c_check_config_notpicky, NULL))
goto found_port;
diff --git a/drivers/bluetooth/btbcm.c b/drivers/bluetooth/btbcm.c
index 9ab6cfbb831d..cc4bdefa6648 100644
--- a/drivers/bluetooth/btbcm.c
+++ b/drivers/bluetooth/btbcm.c
@@ -287,6 +287,37 @@ static struct sk_buff *btbcm_read_usb_product(struct hci_dev *hdev)
return skb;
}
+static int btbcm_read_info(struct hci_dev *hdev)
+{
+ struct sk_buff *skb;
+
+ /* Read Verbose Config Version Info */
+ skb = btbcm_read_verbose_config(hdev);
+ if (IS_ERR(skb))
+ return PTR_ERR(skb);
+
+ BT_INFO("%s: BCM: chip id %u", hdev->name, skb->data[1]);
+ kfree_skb(skb);
+
+ /* Read Controller Features */
+ skb = btbcm_read_controller_features(hdev);
+ if (IS_ERR(skb))
+ return PTR_ERR(skb);
+
+ BT_INFO("%s: BCM: features 0x%2.2x", hdev->name, skb->data[1]);
+ kfree_skb(skb);
+
+ /* Read Local Name */
+ skb = btbcm_read_local_name(hdev);
+ if (IS_ERR(skb))
+ return PTR_ERR(skb);
+
+ BT_INFO("%s: %s", hdev->name, (char *)(skb->data + 1));
+ kfree_skb(skb);
+
+ return 0;
+}
+
static const struct {
u16 subver;
const char *name;
@@ -322,13 +353,10 @@ int btbcm_initialize(struct hci_dev *hdev, char *fw_name, size_t len)
subver = le16_to_cpu(ver->lmp_subver);
kfree_skb(skb);
- /* Read Verbose Config Version Info */
- skb = btbcm_read_verbose_config(hdev);
- if (IS_ERR(skb))
- return PTR_ERR(skb);
-
- BT_INFO("%s: BCM: chip id %u", hdev->name, skb->data[1]);
- kfree_skb(skb);
+ /* Read controller information */
+ err = btbcm_read_info(hdev);
+ if (err)
+ return err;
switch ((rev & 0xf000) >> 12) {
case 0:
@@ -431,29 +459,10 @@ int btbcm_setup_patchram(struct hci_dev *hdev)
subver = le16_to_cpu(ver->lmp_subver);
kfree_skb(skb);
- /* Read Verbose Config Version Info */
- skb = btbcm_read_verbose_config(hdev);
- if (IS_ERR(skb))
- return PTR_ERR(skb);
-
- BT_INFO("%s: BCM: chip id %u", hdev->name, skb->data[1]);
- kfree_skb(skb);
-
- /* Read Controller Features */
- skb = btbcm_read_controller_features(hdev);
- if (IS_ERR(skb))
- return PTR_ERR(skb);
-
- BT_INFO("%s: BCM: features 0x%2.2x", hdev->name, skb->data[1]);
- kfree_skb(skb);
-
- /* Read Local Name */
- skb = btbcm_read_local_name(hdev);
- if (IS_ERR(skb))
- return PTR_ERR(skb);
-
- BT_INFO("%s: %s", hdev->name, (char *)(skb->data + 1));
- kfree_skb(skb);
+ /* Read controller information */
+ err = btbcm_read_info(hdev);
+ if (err)
+ return err;
switch ((rev & 0xf000) >> 12) {
case 0:
diff --git a/drivers/bluetooth/btmrvl_sdio.c b/drivers/bluetooth/btmrvl_sdio.c
index eb794f08b238..03341ce98c32 100644
--- a/drivers/bluetooth/btmrvl_sdio.c
+++ b/drivers/bluetooth/btmrvl_sdio.c
@@ -1455,7 +1455,8 @@ done:
fw_dump_ptr = fw_dump_data;
/* Dump all the memory data into single file, a userspace script will
- be used to split all the memory data to multiple files*/
+ * be used to split all the memory data to multiple files
+ */
BT_INFO("== btmrvl firmware dump to /sys/class/devcoredump start");
for (idx = 0; idx < dump_num; idx++) {
struct memory_type_mapping *entry = &mem_type_mapping_tbl[idx];
@@ -1482,7 +1483,8 @@ done:
}
/* fw_dump_data will be free in device coredump release function
- after 5 min*/
+ * after 5 min
+ */
dev_coredumpv(&card->func->dev, fw_dump_data, fw_dump_len, GFP_KERNEL);
BT_INFO("== btmrvl firmware dump to /sys/class/devcoredump end");
}
diff --git a/drivers/bluetooth/btqca.c b/drivers/bluetooth/btqca.c
index 28afd5d585f9..0bbdfcef2aa8 100644
--- a/drivers/bluetooth/btqca.c
+++ b/drivers/bluetooth/btqca.c
@@ -81,7 +81,7 @@ static int rome_patch_ver_req(struct hci_dev *hdev, u32 *rome_version)
* and lower 2 bytes from patch will be used.
*/
*rome_version = (le32_to_cpu(ver->soc_id) << 16) |
- (le16_to_cpu(ver->rome_ver) & 0x0000ffff);
+ (le16_to_cpu(ver->rome_ver) & 0x0000ffff);
out:
kfree_skb(skb);
diff --git a/drivers/bluetooth/btrtl.c b/drivers/bluetooth/btrtl.c
index 8279094dd713..d9a99b4302ea 100644
--- a/drivers/bluetooth/btrtl.c
+++ b/drivers/bluetooth/btrtl.c
@@ -279,6 +279,8 @@ static int rtl_load_config(struct hci_dev *hdev, const char *name, u8 **buff)
return ret;
ret = fw->size;
*buff = kmemdup(fw->data, ret, GFP_KERNEL);
+ if (!*buff)
+ ret = -ENOMEM;
release_firmware(fw);
diff --git a/drivers/bluetooth/btsdio.c b/drivers/bluetooth/btsdio.c
index 1cb958e199eb..c8e945d19ffe 100644
--- a/drivers/bluetooth/btsdio.c
+++ b/drivers/bluetooth/btsdio.c
@@ -144,7 +144,8 @@ static int btsdio_rx_packet(struct btsdio_data *data)
if (!skb) {
/* Out of memory. Prepare a read retry and just
* return with the expectation that the next time
- * we're called we'll have more memory. */
+ * we're called we'll have more memory.
+ */
return -ENOMEM;
}
diff --git a/drivers/bluetooth/btuart_cs.c b/drivers/bluetooth/btuart_cs.c
index 7df79bb12350..310e9c2e09b6 100644
--- a/drivers/bluetooth/btuart_cs.c
+++ b/drivers/bluetooth/btuart_cs.c
@@ -614,14 +614,16 @@ static int btuart_config(struct pcmcia_device *link)
int try;
/* First pass: look for a config entry that looks normal.
- Two tries: without IO aliases, then with aliases */
+ * Two tries: without IO aliases, then with aliases
+ */
for (try = 0; try < 2; try++)
if (!pcmcia_loop_config(link, btuart_check_config, &try))
goto found_port;
/* Second pass: try to find an entry that isn't picky about
- its base address, then try to grab any standard serial port
- address, and finally try to get any free port. */
+ * its base address, then try to grab any standard serial port
+ * address, and finally try to get any free port.
+ */
if (!pcmcia_loop_config(link, btuart_check_config_notpicky, NULL))
goto found_port;
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index fa24d693af24..7a5c06aaa181 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -66,6 +66,7 @@ static struct usb_driver btusb_driver;
#define BTUSB_BCM2045 0x40000
#define BTUSB_IFNUM_2 0x80000
#define BTUSB_CW6622 0x100000
+#define BTUSB_BCM_NO_PRODID 0x200000
static const struct usb_device_id btusb_table[] = {
/* Generic Bluetooth USB device */
@@ -131,7 +132,8 @@ static const struct usb_device_id btusb_table[] = {
{ USB_DEVICE(0x19ff, 0x0239), .driver_info = BTUSB_BCM_PATCHRAM },
/* Broadcom BCM43142A0 (Foxconn/Lenovo) */
- { USB_DEVICE(0x105b, 0xe065), .driver_info = BTUSB_BCM_PATCHRAM },
+ { USB_VENDOR_AND_INTERFACE_INFO(0x105b, 0xff, 0x01, 0x01),
+ .driver_info = BTUSB_BCM_PATCHRAM },
/* Broadcom BCM920703 (HTC Vive) */
{ USB_VENDOR_AND_INTERFACE_INFO(0x0bb4, 0xff, 0x01, 0x01),
@@ -169,6 +171,10 @@ static const struct usb_device_id btusb_table[] = {
{ USB_VENDOR_AND_INTERFACE_INFO(0x0930, 0xff, 0x01, 0x01),
.driver_info = BTUSB_BCM_PATCHRAM },
+ /* Broadcom devices with missing product id */
+ { USB_DEVICE_AND_INTERFACE_INFO(0x0000, 0x0000, 0xff, 0x01, 0x01),
+ .driver_info = BTUSB_BCM_PATCHRAM | BTUSB_BCM_NO_PRODID },
+
/* Intel Bluetooth USB Bootloader (RAM module) */
{ USB_DEVICE(0x8087, 0x0a5a),
.driver_info = BTUSB_INTEL_BOOT | BTUSB_BROKEN_ISOC },
@@ -268,6 +274,7 @@ static const struct usb_device_id blacklist_table[] = {
{ USB_DEVICE(0x0489, 0xe092), .driver_info = BTUSB_QCA_ROME },
{ USB_DEVICE(0x0489, 0xe0a2), .driver_info = BTUSB_QCA_ROME },
{ USB_DEVICE(0x04ca, 0x3011), .driver_info = BTUSB_QCA_ROME },
+ { USB_DEVICE(0x04ca, 0x3016), .driver_info = BTUSB_QCA_ROME },
/* Broadcom BCM2035 */
{ USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 },
@@ -357,6 +364,7 @@ static const struct usb_device_id blacklist_table[] = {
{ USB_DEVICE(0x13d3, 0x3410), .driver_info = BTUSB_REALTEK },
{ USB_DEVICE(0x13d3, 0x3416), .driver_info = BTUSB_REALTEK },
{ USB_DEVICE(0x13d3, 0x3459), .driver_info = BTUSB_REALTEK },
+ { USB_DEVICE(0x13d3, 0x3494), .driver_info = BTUSB_REALTEK },
/* Additional Realtek 8821AE Bluetooth devices */
{ USB_DEVICE(0x0b05, 0x17dc), .driver_info = BTUSB_REALTEK },
@@ -656,7 +664,8 @@ static void btusb_intr_complete(struct urb *urb)
err = usb_submit_urb(urb, GFP_ATOMIC);
if (err < 0) {
/* -EPERM: urb is being killed;
- * -ENODEV: device got disconnected */
+ * -ENODEV: device got disconnected
+ */
if (err != -EPERM && err != -ENODEV)
BT_ERR("%s urb %p failed to resubmit (%d)",
hdev->name, urb, -err);
@@ -745,7 +754,8 @@ static void btusb_bulk_complete(struct urb *urb)
err = usb_submit_urb(urb, GFP_ATOMIC);
if (err < 0) {
/* -EPERM: urb is being killed;
- * -ENODEV: device got disconnected */
+ * -ENODEV: device got disconnected
+ */
if (err != -EPERM && err != -ENODEV)
BT_ERR("%s urb %p failed to resubmit (%d)",
hdev->name, urb, -err);
@@ -840,7 +850,8 @@ static void btusb_isoc_complete(struct urb *urb)
err = usb_submit_urb(urb, GFP_ATOMIC);
if (err < 0) {
/* -EPERM: urb is being killed;
- * -ENODEV: device got disconnected */
+ * -ENODEV: device got disconnected
+ */
if (err != -EPERM && err != -ENODEV)
BT_ERR("%s urb %p failed to resubmit (%d)",
hdev->name, urb, -err);
@@ -952,7 +963,8 @@ static void btusb_diag_complete(struct urb *urb)
err = usb_submit_urb(urb, GFP_ATOMIC);
if (err < 0) {
/* -EPERM: urb is being killed;
- * -ENODEV: device got disconnected */
+ * -ENODEV: device got disconnected
+ */
if (err != -EPERM && err != -ENODEV)
BT_ERR("%s urb %p failed to resubmit (%d)",
hdev->name, urb, -err);
@@ -1076,6 +1088,10 @@ static int btusb_open(struct hci_dev *hdev)
}
data->intf->needs_remote_wakeup = 1;
+ /* device specific wakeup source enabled and required for USB
+ * remote wakeup while host is suspended
+ */
+ device_wakeup_enable(&data->udev->dev);
if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags))
goto done;
@@ -1139,6 +1155,7 @@ static int btusb_close(struct hci_dev *hdev)
goto failed;
data->intf->needs_remote_wakeup = 0;
+ device_wakeup_disable(&data->udev->dev);
usb_autopm_put_interface(data->intf);
failed:
@@ -2892,11 +2909,25 @@ static int btusb_probe(struct usb_interface *intf,
if (id->driver_info == BTUSB_IGNORE)
return -ENODEV;
+ if (id->driver_info & BTUSB_BCM_NO_PRODID) {
+ struct usb_device *udev = interface_to_usbdev(intf);
+
+ /* For the broken Broadcom devices that show 0000:0000
+ * as USB vendor and product information, check that the
+ * manufacturer string identifies them as Broadcom based
+ * devices.
+ */
+ if (!udev->manufacturer ||
+ strcmp(udev->manufacturer, "Broadcom Corp"))
+ return -ENODEV;
+ }
+
if (id->driver_info & BTUSB_ATH3012) {
struct usb_device *udev = interface_to_usbdev(intf);
/* Old firmware would otherwise let ath3k driver load
- * patch and sysconfig files */
+ * patch and sysconfig files
+ */
if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001)
return -ENODEV;
}
@@ -3067,6 +3098,12 @@ static int btusb_probe(struct usb_interface *intf,
if (id->driver_info & BTUSB_QCA_ROME) {
data->setup_on_usb = btusb_setup_qca;
hdev->set_bdaddr = btusb_set_bdaddr_ath3012;
+
+ /* QCA Rome devices lose their updated firmware over suspend,
+ * but the USB hub doesn't notice any status change.
+ * Explicitly request a device reset on resume.
+ */
+ set_bit(BTUSB_RESET_RESUME, &data->flags);
}
#ifdef CONFIG_BT_HCIBTUSB_RTL
@@ -3259,13 +3296,28 @@ static void play_deferred(struct btusb_data *data)
int err;
while ((urb = usb_get_from_anchor(&data->deferred))) {
+ usb_anchor_urb(urb, &data->tx_anchor);
+
err = usb_submit_urb(urb, GFP_ATOMIC);
- if (err < 0)
+ if (err < 0) {
+ if (err != -EPERM && err != -ENODEV)
+ BT_ERR("%s urb %p submission failed (%d)",
+ data->hdev->name, urb, -err);
+ kfree(urb->setup_packet);
+ usb_unanchor_urb(urb);
+ usb_free_urb(urb);
break;
+ }
data->tx_in_flight++;
+ usb_free_urb(urb);
+ }
+
+ /* Cleanup the rest deferred urbs. */
+ while ((urb = usb_get_from_anchor(&data->deferred))) {
+ kfree(urb->setup_packet);
+ usb_free_urb(urb);
}
- usb_scuttle_anchored_urbs(&data->deferred);
}
static int btusb_resume(struct usb_interface *intf)
diff --git a/drivers/bluetooth/btwilink.c b/drivers/bluetooth/btwilink.c
index 85a3978b064f..5ef8000f90a9 100644
--- a/drivers/bluetooth/btwilink.c
+++ b/drivers/bluetooth/btwilink.c
@@ -93,8 +93,7 @@ static void st_reg_completion_cb(void *priv_data, int data)
complete(&lhst->wait_reg_completion);
}
-/* Called by Shared Transport layer when receive data is
- * available */
+/* Called by Shared Transport layer when receive data is available */
static long st_receive(void *priv_data, struct sk_buff *skb)
{
struct ti_st *lhst = priv_data;
@@ -198,7 +197,8 @@ static int ti_st_open(struct hci_dev *hdev)
}
/* Is ST registration callback
- * called with ERROR status? */
+ * called with ERROR status?
+ */
if (hst->reg_status != 0) {
BT_ERR("ST registration completed with invalid "
"status %d", hst->reg_status);
@@ -276,7 +276,7 @@ static int ti_st_send_frame(struct hci_dev *hdev, struct sk_buff *skb)
static int bt_ti_probe(struct platform_device *pdev)
{
- static struct ti_st *hst;
+ struct ti_st *hst;
struct hci_dev *hdev;
int err;
diff --git a/drivers/bluetooth/hci_bcm.c b/drivers/bluetooth/hci_bcm.c
index 6a662d0161b4..e2540113d0da 100644
--- a/drivers/bluetooth/hci_bcm.c
+++ b/drivers/bluetooth/hci_bcm.c
@@ -27,6 +27,8 @@
#include <linux/firmware.h>
#include <linux/module.h>
#include <linux/acpi.h>
+#include <linux/of.h>
+#include <linux/property.h>
#include <linux/platform_device.h>
#include <linux/clk.h>
#include <linux/gpio/consumer.h>
@@ -34,6 +36,7 @@
#include <linux/interrupt.h>
#include <linux/dmi.h>
#include <linux/pm_runtime.h>
+#include <linux/serdev.h>
#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci_core.h>
@@ -41,11 +44,15 @@
#include "btbcm.h"
#include "hci_uart.h"
+#define BCM_NULL_PKT 0x00
+#define BCM_NULL_SIZE 0
+
#define BCM_LM_DIAG_PKT 0x07
#define BCM_LM_DIAG_SIZE 63
#define BCM_AUTOSUSPEND_DELAY 5000 /* default autosleep delay */
+/* platform device driver resources */
struct bcm_device {
struct list_head list;
@@ -59,6 +66,7 @@ struct bcm_device {
bool clk_enabled;
u32 init_speed;
+ u32 oper_speed;
int irq;
u8 irq_polarity;
@@ -68,6 +76,12 @@ struct bcm_device {
#endif
};
+/* serdev driver resources */
+struct bcm_serdev {
+ struct hci_uart hu;
+};
+
+/* generic bcm uart resources */
struct bcm_data {
struct sk_buff *rx_skb;
struct sk_buff_head txq;
@@ -79,6 +93,14 @@ struct bcm_data {
static DEFINE_MUTEX(bcm_device_lock);
static LIST_HEAD(bcm_device_list);
+static inline void host_set_baudrate(struct hci_uart *hu, unsigned int speed)
+{
+ if (hu->serdev)
+ serdev_device_set_baudrate(hu->serdev, speed);
+ else
+ hci_uart_set_baudrate(hu, speed);
+}
+
static int bcm_set_baudrate(struct hci_uart *hu, unsigned int speed)
{
struct hci_dev *hdev = hu->hdev;
@@ -176,7 +198,7 @@ static irqreturn_t bcm_host_wake(int irq, void *data)
static int bcm_request_irq(struct bcm_data *bcm)
{
struct bcm_device *bdev = bcm->dev;
- int err = 0;
+ int err;
/* If this is not a platform device, do not enable PM functionalities */
mutex_lock(&bcm_device_lock);
@@ -185,21 +207,23 @@ static int bcm_request_irq(struct bcm_data *bcm)
goto unlock;
}
- if (bdev->irq > 0) {
- err = devm_request_irq(&bdev->pdev->dev, bdev->irq,
- bcm_host_wake, IRQF_TRIGGER_RISING,
- "host_wake", bdev);
- if (err)
- goto unlock;
+ if (bdev->irq <= 0) {
+ err = -EOPNOTSUPP;
+ goto unlock;
+ }
+
+ err = devm_request_irq(&bdev->pdev->dev, bdev->irq, bcm_host_wake,
+ IRQF_TRIGGER_RISING, "host_wake", bdev);
+ if (err)
+ goto unlock;
- device_init_wakeup(&bdev->pdev->dev, true);
+ device_init_wakeup(&bdev->pdev->dev, true);
- pm_runtime_set_autosuspend_delay(&bdev->pdev->dev,
- BCM_AUTOSUSPEND_DELAY);
- pm_runtime_use_autosuspend(&bdev->pdev->dev);
- pm_runtime_set_active(&bdev->pdev->dev);
- pm_runtime_enable(&bdev->pdev->dev);
- }
+ pm_runtime_set_autosuspend_delay(&bdev->pdev->dev,
+ BCM_AUTOSUSPEND_DELAY);
+ pm_runtime_use_autosuspend(&bdev->pdev->dev);
+ pm_runtime_set_active(&bdev->pdev->dev);
+ pm_runtime_enable(&bdev->pdev->dev);
unlock:
mutex_unlock(&bcm_device_lock);
@@ -287,6 +311,14 @@ static int bcm_open(struct hci_uart *hu)
hu->priv = bcm;
+ /* If this is a serdev defined device, then only use
+ * serdev open primitive and skip the rest.
+ */
+ if (hu->serdev) {
+ serdev_device_open(hu->serdev);
+ goto out;
+ }
+
if (!hu->tty->dev)
goto out;
@@ -301,6 +333,7 @@ static int bcm_open(struct hci_uart *hu)
if (hu->tty->dev->parent == dev->pdev->dev.parent) {
bcm->dev = dev;
hu->init_speed = dev->init_speed;
+ hu->oper_speed = dev->oper_speed;
#ifdef CONFIG_PM
dev->hu = hu;
#endif
@@ -321,6 +354,12 @@ static int bcm_close(struct hci_uart *hu)
bt_dev_dbg(hu->hdev, "hu %p", hu);
+ /* If this is a serdev defined device, only use serdev
+ * close primitive and then continue as usual.
+ */
+ if (hu->serdev)
+ serdev_device_close(hu->serdev);
+
/* Protect bcm->dev against removal of the device or driver */
mutex_lock(&bcm_device_lock);
if (bcm_device_exists(bdev)) {
@@ -396,7 +435,7 @@ static int bcm_setup(struct hci_uart *hu)
speed = 0;
if (speed)
- hci_uart_set_baudrate(hu, speed);
+ host_set_baudrate(hu, speed);
/* Operational speed if any */
if (hu->oper_speed)
@@ -409,7 +448,7 @@ static int bcm_setup(struct hci_uart *hu)
if (speed) {
err = bcm_set_baudrate(hu, speed);
if (!err)
- hci_uart_set_baudrate(hu, speed);
+ host_set_baudrate(hu, speed);
}
finalize:
@@ -432,11 +471,19 @@ finalize:
.lsize = 0, \
.maxlen = BCM_LM_DIAG_SIZE
+#define BCM_RECV_NULL \
+ .type = BCM_NULL_PKT, \
+ .hlen = BCM_NULL_SIZE, \
+ .loff = 0, \
+ .lsize = 0, \
+ .maxlen = BCM_NULL_SIZE
+
static const struct h4_recv_pkt bcm_recv_pkts[] = {
{ H4_RECV_ACL, .recv = hci_recv_frame },
{ H4_RECV_SCO, .recv = hci_recv_frame },
{ H4_RECV_EVENT, .recv = hci_recv_frame },
{ BCM_RECV_LM_DIAG, .recv = hci_recv_diag },
+ { BCM_RECV_NULL, .recv = hci_recv_diag },
};
static int bcm_recv(struct hci_uart *hu, const void *data, int count)
@@ -697,8 +744,10 @@ static int bcm_resource(struct acpi_resource *ares, void *data)
case ACPI_RESOURCE_TYPE_SERIAL_BUS:
sb = &ares->data.uart_serial_bus;
- if (sb->type == ACPI_RESOURCE_SERIAL_TYPE_UART)
+ if (sb->type == ACPI_RESOURCE_SERIAL_TYPE_UART) {
dev->init_speed = sb->default_baud_rate;
+ dev->oper_speed = 4000000;
+ }
break;
default:
@@ -851,7 +900,6 @@ static const struct hci_uart_proto bcm_proto = {
.name = "Broadcom",
.manufacturer = 15,
.init_speed = 115200,
- .oper_speed = 4000000,
.open = bcm_open,
.close = bcm_close,
.flush = bcm_flush,
@@ -901,9 +949,57 @@ static struct platform_driver bcm_driver = {
},
};
+static int bcm_serdev_probe(struct serdev_device *serdev)
+{
+ struct bcm_serdev *bcmdev;
+ u32 speed;
+ int err;
+
+ bcmdev = devm_kzalloc(&serdev->dev, sizeof(*bcmdev), GFP_KERNEL);
+ if (!bcmdev)
+ return -ENOMEM;
+
+ bcmdev->hu.serdev = serdev;
+ serdev_device_set_drvdata(serdev, bcmdev);
+
+ err = device_property_read_u32(&serdev->dev, "max-speed", &speed);
+ if (!err)
+ bcmdev->hu.oper_speed = speed;
+
+ return hci_uart_register_device(&bcmdev->hu, &bcm_proto);
+}
+
+static void bcm_serdev_remove(struct serdev_device *serdev)
+{
+ struct bcm_serdev *bcmdev = serdev_device_get_drvdata(serdev);
+
+ hci_uart_unregister_device(&bcmdev->hu);
+}
+
+#ifdef CONFIG_OF
+static const struct of_device_id bcm_bluetooth_of_match[] = {
+ { .compatible = "brcm,bcm43438-bt" },
+ { },
+};
+MODULE_DEVICE_TABLE(of, bcm_bluetooth_of_match);
+#endif
+
+static struct serdev_device_driver bcm_serdev_driver = {
+ .probe = bcm_serdev_probe,
+ .remove = bcm_serdev_remove,
+ .driver = {
+ .name = "hci_uart_bcm",
+ .of_match_table = of_match_ptr(bcm_bluetooth_of_match),
+ },
+};
+
int __init bcm_init(void)
{
+ /* For now, we need to keep both platform device
+ * driver (ACPI generated) and serdev driver (DT).
+ */
platform_driver_register(&bcm_driver);
+ serdev_device_driver_register(&bcm_serdev_driver);
return hci_uart_register_proto(&bcm_proto);
}
@@ -911,6 +1007,7 @@ int __init bcm_init(void)
int __exit bcm_deinit(void)
{
platform_driver_unregister(&bcm_driver);
+ serdev_device_driver_unregister(&bcm_serdev_driver);
return hci_uart_unregister_proto(&bcm_proto);
}
diff --git a/drivers/bluetooth/hci_h4.c b/drivers/bluetooth/hci_h4.c
index 4e328d7d47bb..3b82a87224a9 100644
--- a/drivers/bluetooth/hci_h4.c
+++ b/drivers/bluetooth/hci_h4.c
@@ -172,7 +172,7 @@ struct sk_buff *h4_recv_buf(struct hci_dev *hdev, struct sk_buff *skb,
const struct h4_recv_pkt *pkts, int pkts_count)
{
struct hci_uart *hu = hci_get_drvdata(hdev);
- u8 alignment = hu->alignment;
+ u8 alignment = hu->alignment ? hu->alignment : 1;
while (count) {
int i, len;
diff --git a/drivers/bluetooth/hci_ldisc.c b/drivers/bluetooth/hci_ldisc.c
index 8397b716fa65..a746627e784e 100644
--- a/drivers/bluetooth/hci_ldisc.c
+++ b/drivers/bluetooth/hci_ldisc.c
@@ -457,7 +457,8 @@ static int hci_uart_tty_open(struct tty_struct *tty)
BT_DBG("tty %p", tty);
/* Error if the tty has no write op instead of leaving an exploitable
- hole */
+ * hole
+ */
if (tty->ops->write == NULL)
return -EOPNOTSUPP;
diff --git a/drivers/bluetooth/hci_ll.c b/drivers/bluetooth/hci_ll.c
index c982943f0747..424c15aa7bb7 100644
--- a/drivers/bluetooth/hci_ll.c
+++ b/drivers/bluetooth/hci_ll.c
@@ -622,7 +622,8 @@ static int download_firmware(struct ll_device *lldev)
cmd = (struct hci_command *)action_ptr;
if (cmd->opcode == 0xff36) {
/* ignore remote change
- * baud rate HCI VS command */
+ * baud rate HCI VS command
+ */
bt_dev_warn(lldev->hu.hdev, "change remote baud rate command in firmware");
break;
}
@@ -742,14 +743,8 @@ static int hci_ti_probe(struct serdev_device *serdev)
static void hci_ti_remove(struct serdev_device *serdev)
{
struct ll_device *lldev = serdev_device_get_drvdata(serdev);
- struct hci_uart *hu = &lldev->hu;
- struct hci_dev *hdev = hu->hdev;
- cancel_work_sync(&hu->write_work);
-
- hci_unregister_dev(hdev);
- hci_free_dev(hdev);
- hu->proto->close(hu);
+ hci_uart_unregister_device(&lldev->hu);
}
static const struct of_device_id hci_ti_of_match[] = {
diff --git a/drivers/bluetooth/hci_nokia.c b/drivers/bluetooth/hci_nokia.c
index 181a15b549e5..3539fd03f47e 100644
--- a/drivers/bluetooth/hci_nokia.c
+++ b/drivers/bluetooth/hci_nokia.c
@@ -767,16 +767,8 @@ static int nokia_bluetooth_serdev_probe(struct serdev_device *serdev)
static void nokia_bluetooth_serdev_remove(struct serdev_device *serdev)
{
struct nokia_bt_dev *btdev = serdev_device_get_drvdata(serdev);
- struct hci_uart *hu = &btdev->hu;
- struct hci_dev *hdev = hu->hdev;
- cancel_work_sync(&hu->write_work);
-
- hci_unregister_dev(hdev);
- hci_free_dev(hdev);
- hu->proto->close(hu);
-
- pm_runtime_disable(&btdev->serdev->dev);
+ hci_uart_unregister_device(&btdev->hu);
}
static int nokia_bluetooth_runtime_suspend(struct device *dev)
diff --git a/drivers/bluetooth/hci_serdev.c b/drivers/bluetooth/hci_serdev.c
index aea930101dd2..b725ac4f7ff6 100644
--- a/drivers/bluetooth/hci_serdev.c
+++ b/drivers/bluetooth/hci_serdev.c
@@ -354,3 +354,16 @@ err_alloc:
return err;
}
EXPORT_SYMBOL_GPL(hci_uart_register_device);
+
+void hci_uart_unregister_device(struct hci_uart *hu)
+{
+ struct hci_dev *hdev = hu->hdev;
+
+ hci_unregister_dev(hdev);
+ hci_free_dev(hdev);
+
+ cancel_work_sync(&hu->write_work);
+
+ hu->proto->close(hu);
+}
+EXPORT_SYMBOL_GPL(hci_uart_unregister_device);
diff --git a/drivers/bluetooth/hci_uart.h b/drivers/bluetooth/hci_uart.h
index c6e9e1cf63f8..d9cd95d81149 100644
--- a/drivers/bluetooth/hci_uart.h
+++ b/drivers/bluetooth/hci_uart.h
@@ -112,6 +112,7 @@ struct hci_uart {
int hci_uart_register_proto(const struct hci_uart_proto *p);
int hci_uart_unregister_proto(const struct hci_uart_proto *p);
int hci_uart_register_device(struct hci_uart *hu, const struct hci_uart_proto *p);
+void hci_uart_unregister_device(struct hci_uart *hu);
int hci_uart_tx_wakeup(struct hci_uart *hu);
int hci_uart_init_ready(struct hci_uart *hu);
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