Hi Sai, > This change will have sequential validation support > & patch config command is added > > Signed-off-by: Sai Teja Aluvala <quic_saluvala@xxxxxxxxxxx> > > v4: > * addressed the change from u8 cmd to const u8 cmd > > v3: > * removed rlen,rtype > * Replaced kfree with kfree_skb > > v2: > * Added static declaration > * Addressed wrong indentation > * Removed EDL_PATCH_CONFIG_CMD_LEN > > v1: > *Initial patch > --- > drivers/bluetooth/btqca.c | 48 +++++++++++++++++++++++++++++++++++++++++++++++ > drivers/bluetooth/btqca.h | 2 ++ > 2 files changed, 50 insertions(+) > > diff --git a/drivers/bluetooth/btqca.c b/drivers/bluetooth/btqca.c > index be04d74..9091a88 100644 > --- a/drivers/bluetooth/btqca.c > +++ b/drivers/bluetooth/btqca.c > @@ -141,6 +141,51 @@ static int qca_read_fw_build_info(struct hci_dev *hdev) > return err; > } > > +static int qca_send_patch_config_cmd(struct hci_dev *hdev) > +{ > + struct sk_buff *skb; > + int err = 0; > + const u8 cmd[] = {EDL_PATCH_CONFIG_CMD, 0x01, 0, 0, 0}; > + struct edl_event_hdr *edl; I said this many times before. = {[SPACE], a, b, c[SPACE]}; And I prefer the const pieces first, and int err last. > + > + bt_dev_dbg(hdev, "QCA Patch config"); > + > + skb = __hci_cmd_sync_ev(hdev, EDL_PATCH_CMD_OPCODE, sizeof(cmd), > + cmd, HCI_EV_VENDOR, HCI_INIT_TIMEOUT); > + if (IS_ERR(skb)) { > + err = PTR_ERR(skb); > + bt_dev_err(hdev, "Sending QCA Patch config failed (%d)", err); > + return err; > + } > + > + if (skb->len != 2) { > + bt_dev_err(hdev, "QCA Patch config cmd size mismatch len %d", skb->len); > + err = -EILSEQ; > + goto out; > + } > + > + edl = (struct edl_event_hdr *)(skb->data); > + if (!edl) { > + bt_dev_err(hdev, "QCA Patch config with no header"); > + err = -EILSEQ; > + goto out; > + } > + > + if (edl->cresp != EDL_PATCH_CONFIG_RES_EVT || edl->rtype != EDL_PATCH_CONFIG_CMD) { > + bt_dev_err(hdev, "QCA Wrong packet received %d %d", edl->cresp, > + edl->rtype); > + err = -EIO; > + goto out; > + } > + > +out: > + kfree_skb(skb); > + if (err) > + bt_dev_err(hdev, "QCA Patch config cmd failed (%d)", err); It is rather pointless to print two error. So just scrap this one. > + > + return err; > +} > + > static int qca_send_reset(struct hci_dev *hdev) > { > struct sk_buff *skb; > @@ -551,6 +596,9 @@ int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate, > */ > rom_ver = ((soc_ver & 0x00000f00) >> 0x04) | (soc_ver & 0x0000000f); > > + if (soc_type == QCA_WCN6750) > + qca_send_patch_config_cmd(hdev); > + > /* Download rampatch file */ > config.type = TLV_TYPE_PATCH; > if (qca_is_wcn399x(soc_type)) { > diff --git a/drivers/bluetooth/btqca.h b/drivers/bluetooth/btqca.h > index 30afa77..61e9a50 100644 > --- a/drivers/bluetooth/btqca.h > +++ b/drivers/bluetooth/btqca.h > @@ -13,6 +13,7 @@ > #define EDL_PATCH_TLV_REQ_CMD (0x1E) > #define EDL_GET_BUILD_INFO_CMD (0x20) > #define EDL_NVM_ACCESS_SET_REQ_CMD (0x01) > +#define EDL_PATCH_CONFIG_CMD (0x28) > #define MAX_SIZE_PER_TLV_SEGMENT (243) > #define QCA_PRE_SHUTDOWN_CMD (0xFC08) > #define QCA_DISABLE_LOGGING (0xFC17) > @@ -24,6 +25,7 @@ > #define EDL_CMD_EXE_STATUS_EVT (0x00) > #define EDL_SET_BAUDRATE_RSP_EVT (0x92) > #define EDL_NVM_ACCESS_CODE_EVT (0x0B) > +#define EDL_PATCH_CONFIG_RES_EVT (0x00) > #define QCA_DISABLE_LOGGING_SUB_OP (0x14) > > #define EDL_TAG_ID_HCI (17) Regards Marcel