On Fri, Oct 26, 2018 at 07:34:50PM +0530, Balakrishna Godavarthi wrote: > This patch add qca_set_device_bdaddr() to set the device > address for latest Qualcomm Bluetooth chipset wcn3990 and above. > > Signed-off-by: Balakrishna Godavarthi <bgodavar@xxxxxxxxxxxxxx> > --- > drivers/bluetooth/btqca.c | 21 +++++++++++++++++++++ > drivers/bluetooth/btqca.h | 9 ++++++++- > drivers/bluetooth/hci_qca.c | 5 ++++- > 3 files changed, 33 insertions(+), 2 deletions(-) > > diff --git a/drivers/bluetooth/btqca.c b/drivers/bluetooth/btqca.c > index ec9e03a6b778..132dc6ceb174 100644 > --- a/drivers/bluetooth/btqca.c > +++ b/drivers/bluetooth/btqca.c > @@ -391,6 +391,27 @@ int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate, > } > EXPORT_SYMBOL_GPL(qca_uart_setup); > > +int qca_set_device_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr) nit: just qca_set_bdaddr() ? That would be consistent with qca_set_bdaddr_rome() and ->set_bdaddr(). > +{ > + struct sk_buff *skb; > + u8 cmd[6]; nit: this doesn't really contain the command (which is EDL_WRITE_BD_ADDR_OPCODE). Name it 'buf', 'ba' or similar? re-nit: in the memcpy below 'sizeof(bdaddr_t)' is used, do the same in the declaration? > + int err; > + > + memcpy(cmd, bdaddr, sizeof(bdaddr_t)); > + skb = __hci_cmd_sync_ev(hdev, EDL_WRITE_BD_ADDR_OPCODE, sizeof(cmd), > + cmd, HCI_EV_VENDOR, HCI_INIT_TIMEOUT); > + if (IS_ERR(skb)) { > + err = PTR_ERR(skb); > + bt_dev_err(hdev, "QCA Change address cmd failed (%d)", err); > + return err; > + } > + > + kfree_skb(skb); > + > + return 0; > +} > +EXPORT_SYMBOL_GPL(qca_set_device_bdaddr); > + > MODULE_AUTHOR("Ben Young Tae Kim <ytkim@xxxxxxxxxxxxxxxx>"); > MODULE_DESCRIPTION("Bluetooth support for Qualcomm Atheros family ver " VERSION); > MODULE_VERSION(VERSION); > diff --git a/drivers/bluetooth/btqca.h b/drivers/bluetooth/btqca.h > index 0c01f375fe83..8771fc2b193d 100644 > --- a/drivers/bluetooth/btqca.h > +++ b/drivers/bluetooth/btqca.h > @@ -20,6 +20,7 @@ > > #define EDL_PATCH_CMD_OPCODE (0xFC00) > #define EDL_NVM_ACCESS_OPCODE (0xFC0B) > +#define EDL_WRITE_BD_ADDR_OPCODE (0xFC14) > #define EDL_PATCH_CMD_LEN (1) > #define EDL_PATCH_VER_REQ_CMD (0x19) > #define EDL_PATCH_TLV_REQ_CMD (0x1E) > @@ -140,7 +141,7 @@ int qca_set_bdaddr_rome(struct hci_dev *hdev, const bdaddr_t *bdaddr); > int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate, > enum qca_btsoc_type soc_type, u32 soc_ver); > int qca_read_soc_version(struct hci_dev *hdev, u32 *soc_version); > - > +int qca_set_device_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr); > #else > > static inline int qca_set_bdaddr_rome(struct hci_dev *hdev, const bdaddr_t *bdaddr) > @@ -159,4 +160,10 @@ static inline int qca_read_soc_version(struct hci_dev *hdev, u32 *soc_version) > return -EOPNOTSUPP; > } > > +static inline int qca_set_device_bdaddr(struct hci_dev *hdev, > + const bdaddr_t *bdaddr) > +{ > + return -EOPNOTSUPP; > +} > + > #endif > diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c > index f036c8f98ea3..f18d9f5a7782 100644 > --- a/drivers/bluetooth/hci_qca.c > +++ b/drivers/bluetooth/hci_qca.c > @@ -1241,7 +1241,10 @@ static int qca_setup(struct hci_uart *hu) > } > > /* Setup bdaddr */ > - hu->hdev->set_bdaddr = qca_set_bdaddr_rome; > + if (qcadev->btsoc_type == QCA_WCN3990) > + hu->hdev->set_bdaddr = qca_set_device_bdaddr; > + else > + hu->hdev->set_bdaddr = qca_set_bdaddr_rome; > > return ret; > } Reviewed-by: Matthias Kaehlcke <mka@xxxxxxxxxxxx> Tested-by: Matthias Kaehlcke <mka@xxxxxxxxxxxx>