Hi Zijun,
> we have different factory to produce wcn6855 soc chip, so we should use
> different nvm file with surfix to distinguish them.
I think you mean suffix and not surfix.
>
> Signed-off-by: Tim Jiang <tjiang@xxxxxxxxxxxxxx>
> ---
> drivers/bluetooth/btusb.c | 30 +++++++++++++++++++++++++-----
> 1 file changed, 25 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
> index b1a05bb9f4bf..cc9618575ab4 100644
> --- a/drivers/bluetooth/btusb.c
> +++ b/drivers/bluetooth/btusb.c
> @@ -4013,6 +4013,9 @@ static int btusb_set_bdaddr_wcn6855(struct hci_dev *hdev,
> #define QCA_DFU_TIMEOUT 3000
> #define QCA_FLAG_MULTI_NVM 0x80
>
> +#define WCN6855_2_0_RAM_VERSION_GF 0x400c1200
> +#define WCN6855_2_1_RAM_VERSION_GF 0x400c1211
> +
> struct qca_version {
> __le32 rom_version;
> __le32 patch_version;
> @@ -4044,6 +4047,7 @@ static const struct qca_device_info qca_devices_table[] = {
> { 0x00000302, 28, 4, 16 }, /* Rome 3.2 */
> { 0x00130100, 40, 4, 16 }, /* WCN6855 1.0 */
> { 0x00130200, 40, 4, 16 }, /* WCN6855 2.0 */
> + { 0x00130201, 40, 4, 16 }, /* WCN6855 2.1 */
> };
>
> static int btusb_qca_send_vendor_req(struct usb_device *udev, u8 request,
> @@ -4209,12 +4213,28 @@ static int btusb_setup_qca_load_nvm(struct hci_dev *hdev,
> if (((ver->flag >> 8) & 0xff) == QCA_FLAG_MULTI_NVM) {
> /* if boardid equal 0, use default nvm without surfix */
> if (le16_to_cpu(ver->board_id) == 0x0) {
> - snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x.bin",
> - le32_to_cpu(ver->rom_version));
> + /* if ram version is for gf factory, we should add surfix gf to
> + * distinguish with default one .
> + */
> + if (ver->ram_version == WCN6855_2_0_RAM_VERSION_GF ||
> + ver->ram_version == WCN6855_2_1_RAM_VERSION_GF) {
You need fix the coding style for multi-line if-clauses.
> + snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x_gf.bin",
> + le32_to_cpu(ver->rom_version));
> + } else {
> + snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x.bin",
> + le32_to_cpu(ver->rom_version));
> + }
> } else {
> - snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x_%04x.bin",
> - le32_to_cpu(ver->rom_version),
> - le16_to_cpu(ver->board_id));
> + if (ver->ram_version == WCN6855_2_0_RAM_VERSION_GF ||
> + ver->ram_version == WCN6855_2_1_RAM_VERSION_GF) {
> + snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x_gf_%04x.bin",
> + le32_to_cpu(ver->rom_version),
> + le16_to_cpu(ver->board_id));
> + } else {
> + snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x_%04x.bin",
> + le32_to_cpu(ver->rom_version),
> + le16_to_cpu(ver->board_id));
> + }
> }
That said, can you just sit down and re-think this code. I am pretty sure there will be another factory at some point and then this code becomes too complex. Check if you could use a table for this.
Regards
Marcel
