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Fri, 29 Oct 2021 11:35:23 -0700 (PDT) Received: from localhost ([2620:15c:202:201:e16c:3cc5:ae05:5dbe]) by smtp.gmail.com with UTF8SMTPSA id a20sm7349017pff.57.2021.10.29.11.35.22 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 29 Oct 2021 11:35:22 -0700 (PDT) Date: Fri, 29 Oct 2021 11:35:21 -0700 From: Matthias Kaehlcke To: tjiang@codeaurora.org Cc: marcel@holtmann.org, johan.hedberg@gmail.com, luiz.dentz@gmail.com, linux-kernel@vger.kernel.org, linux-bluetooth@vger.kernel.org, linux-arm-msm@vger.kernel.org, bgodavar@codeaurora.org, c-hbandi@codeaurora.org, hemantg@codeaurora.org, rjliao@codeaurora.org, zijuhu@codeaurora.org Subject: Re: [PATCH v16] Bluetooth: btusb: Add support using different nvm for variant WCN6855 controller Message-ID: References: <4c12452739c0d7fa1c6a4f5998515767@codeaurora.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <4c12452739c0d7fa1c6a4f5998515767@codeaurora.org> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Oct 29, 2021 at 11:21:21AM +0800, tjiang@codeaurora.org wrote: > the RF performance of wcn6855 soc chip from different foundries will be > difference, so we should use different nvm to configure them. > > Signed-off-by: Tim Jiang > --- > drivers/bluetooth/btusb.c | 54 > +++++++++++++++++++++++++++++++++++------------ > 1 file changed, 40 insertions(+), 14 deletions(-) > > diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c > index 87b71740fad8..16bb5de3ce2f 100644 > --- a/drivers/bluetooth/btusb.c > +++ b/drivers/bluetooth/btusb.c > @@ -3195,6 +3195,9 @@ 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; > @@ -3226,6 +3229,7 @@ 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, > @@ -3380,6 +3384,41 @@ static int btusb_setup_qca_load_rampatch(struct > hci_dev *hdev, > return err; > } > > +static void btusb_generate_qca_nvm_name(char *fwname, > + size_t max_size, > + const struct qca_version *ver) > +{ > + u32 rom_version = le32_to_cpu(ver->rom_version); > + u16 flag = le16_to_cpu(ver->flag); > + > + if (((flag >> 8) & 0xff) == QCA_FLAG_MULTI_NVM) { > + u16 board_id = le16_to_cpu(ver->board_id); > + const char *variant ; Remove blank before the semicolon. Besides that: Reviewed-by: Matthias Kaehlcke