This is a note to let you know that I've just added the patch titled
Bluetooth: qca: Support downloading board id specific NVM for WCN7850
to the 6.1-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
bluetooth-qca-support-downloading-board-id-specific-.patch
and it can be found in the queue-6.1 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 547f15a754b68f3d42d7811c45263d3766d7303b
Author: Zijun Hu <quic_zijuhu@xxxxxxxxxxx>
Date: Wed Apr 17 15:49:34 2024 +0800
Bluetooth: qca: Support downloading board id specific NVM for WCN7850
[ 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>
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:
