From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5C1B9C433F5 for ; Mon, 13 Sep 2021 14:34:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2B70E610CC for ; Mon, 13 Sep 2021 14:34:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344786AbhIMOeF convert rfc822-to-8bit (ORCPT ); Mon, 13 Sep 2021 10:34:05 -0400 Received: from coyote.holtmann.net ([212.227.132.17]:43419 "EHLO mail.holtmann.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243853AbhIMO2o (ORCPT ); Mon, 13 Sep 2021 10:28:44 -0400 Received: from smtpclient.apple (p5b3d2185.dip0.t-ipconnect.de [91.61.33.133]) by mail.holtmann.org (Postfix) with ESMTPSA id BB12ACED1E; Mon, 13 Sep 2021 16:27:22 +0200 (CEST) Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 14.0 \(3654.120.0.1.13\)) Subject: Re: [PATCH v9] Bluetooth: btusb: Add support using different nvm for variant WCN6855 controller From: Marcel Holtmann In-Reply-To: <1631513399-22826-1-git-send-email-zijuhu@codeaurora.org> Date: Mon, 13 Sep 2021 16:27:22 +0200 Cc: Johan Hedberg , Luiz Augusto von Dentz , open list , linux-bluetooth , MSM , Balakrishna Godavarthi , c-hbandi@codeaurora.org, Hemantg , Matthias Kaehlcke , Rocky Liao , tjiang@codeaurora.org Content-Transfer-Encoding: 8BIT Message-Id: <2A714E81-3DF7-44D9-87B4-1D915CB3155D@holtmann.org> References: <1631513399-22826-1-git-send-email-zijuhu@codeaurora.org> To: Zijun Hu X-Mailer: Apple Mail (2.3654.120.0.1.13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Zijun, > 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: Zijun Hu > --- > drivers/bluetooth/btusb.c | 51 +++++++++++++++++++++++++++++++++++------------ > 1 file changed, 38 insertions(+), 13 deletions(-) > > diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c > index 928cbfa4c42d..7b23cfd131f6 100644 > --- a/drivers/bluetooth/btusb.c > +++ b/drivers/bluetooth/btusb.c > @@ -3161,6 +3161,9 @@ 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; > @@ -3192,6 +3195,7 @@ 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, > @@ -3346,6 +3350,31 @@ 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, > + struct qca_version *ver, > + char *variant) > +{ > + char *sep = (strlen(variant) == 0) ? "" : "_"; > + u16 board_id = le16_to_cpu(ver->board_id); > + u32 rom_version = le32_to_cpu(ver->rom_version); > + > + if (((ver->flag >> 8) & 0xff) == QCA_FLAG_MULTI_NVM) { > + /* if boardid equal 0, use default nvm without suffix */ > + if (board_id == 0x0) { > + snprintf(fwname, max_size, "qca/nvm_usb_%08x%s%s.bin", > + rom_version, sep, variant); > + } else { > + snprintf(fwname, max_size, "qca/nvm_usb_%08x%s%s_%04x.bin", > + rom_version, sep, variant, board_id); > + } > + } else { > + snprintf(fwname, max_size, "qca/nvm_usb_%08x.bin", > + rom_version); > + } > + > +} > + you have not addressed a single comment from Matthias. > static int btusb_setup_qca_load_nvm(struct hci_dev *hdev, > struct qca_version *ver, > const struct qca_device_info *info) > @@ -3354,19 +3383,15 @@ static int btusb_setup_qca_load_nvm(struct hci_dev *hdev, > char fwname[64]; > int err; > > - 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)); > - } else { > - snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x_%04x.bin", > - le32_to_cpu(ver->rom_version), > - le16_to_cpu(ver->board_id)); > - } > - } else { > - snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x.bin", > - le32_to_cpu(ver->rom_version)); > + switch (ver->ram_version) { > + case WCN6855_2_0_RAM_VERSION_GF: > + case WCN6855_2_1_RAM_VERSION_GF: > + btusb_generate_qca_nvm_name(fwname, sizeof(fwname), ver, "gf"); > + break; > + > + default: > + btusb_generate_qca_nvm_name(fwname, sizeof(fwname), ver, ""); > + break; And this indentation is still wrong. I have lost track how many times I mentioned it. I am not going to mention it anymore and I will not review this patch until review comments are actually addressed. It is a blind disrespect towards the maintainers and reviewers. Regards Marcel