6.6-stable review patch. If anyone has any objections, please let me know.
------------------
From: Zijun Hu <quic_zijuhu@xxxxxxxxxxx>
[ Upstream commit e41137d8bd1a8e8bab8dcbfe3ec056418db3df18 ]
Download board id specific NVM instead of default for WCN7850 if board id
is available.
Signed-off-by: Zijun Hu <quic_zijuhu@xxxxxxxxxxx>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@xxxxxxxxx>
Stable-dep-of: a2fad248947d ("Bluetooth: qca: Fix poor RF performance for WCN6855")
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/bluetooth/btqca.c | 18 +++++++++++++++---
1 file changed, 15 insertions(+), 3 deletions(-)
diff --git a/drivers/bluetooth/btqca.c b/drivers/bluetooth/btqca.c
index 35fb26cbf2294..513ff87a7a049 100644
--- a/drivers/bluetooth/btqca.c
+++ b/drivers/bluetooth/btqca.c
@@ -739,6 +739,19 @@ static void qca_generate_hsp_nvm_name(char *fwname, size_t max_size,
snprintf(fwname, max_size, "qca/hpnv%02x%s.%x", rom_ver, variant, bid);
}
+static inline void qca_get_nvm_name_generic(struct qca_fw_config *cfg,
+ const char *stem, u8 rom_ver, u16 bid)
+{
+ if (bid == 0x0)
+ snprintf(cfg->fwname, sizeof(cfg->fwname), "qca/%snv%02x.bin", stem, rom_ver);
+ else if (bid & 0xff00)
+ snprintf(cfg->fwname, sizeof(cfg->fwname),
+ "qca/%snv%02x.b%x", stem, rom_ver, bid);
+ else
+ snprintf(cfg->fwname, sizeof(cfg->fwname),
+ "qca/%snv%02x.b%02x", stem, rom_ver, bid);
+}
+
int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
enum qca_btsoc_type soc_type, struct qca_btsoc_version ver,
const char *firmware_name)
@@ -819,7 +832,7 @@ int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
/* Give the controller some time to get ready to receive the NVM */
msleep(10);
- if (soc_type == QCA_QCA2066)
+ if (soc_type == QCA_QCA2066 || soc_type == QCA_WCN7850)
qca_read_fw_board_id(hdev, &boardid);
/* Download NVM configuration */
@@ -861,8 +874,7 @@ int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
"qca/hpnv%02x.bin", rom_ver);
break;
case QCA_WCN7850:
- snprintf(config.fwname, sizeof(config.fwname),
- "qca/hmtnv%02x.bin", rom_ver);
+ qca_get_nvm_name_generic(&config, "hmt", rom_ver, boardid);
break;
default:
--
2.39.5
