From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 804B025228F; Mon, 23 Jun 2025 13:12:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750684353; cv=none; b=kQZyY6R6b07g4GGCcRna3TDJFjHUxLiOBJehRqVgoBSgZMRRmoA38igLVzrtOtUWFR/FshhaW3S2bFy6mZvLAUNDbmtow4ETD+EfOMFmwbsd5FYHLt4lcwFM0Cg9V0llXW0h4W/QgMC/fCVe3EnQ91cV6VpPmlooCqaXehY9uYA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750684353; c=relaxed/simple; bh=Zxv7U0YdTzqbCS7qCUcym+79sE7pgQO/Mfhf+KpRgqU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=TWcYoeCiKSmglK7FfDYE9dmjkdmfD8tF5883uwsD1ITCdIOxqOSNYYk/4MfhJOKyDatmR3u5uJ1BreyHdHL2N3XtmwJG+vEi6RZ2dfGoNEp3UIrahyQ68jTxQMAX0edVzDhLLiyc0KBF0RADvxep8bwGmq0XQ3hEc5tpzXo7hJY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=aakoMcS7; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="aakoMcS7" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 11F17C4CEF0; Mon, 23 Jun 2025 13:12:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1750684353; bh=Zxv7U0YdTzqbCS7qCUcym+79sE7pgQO/Mfhf+KpRgqU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=aakoMcS7piINqVvazEVl+maN+R89clZD4xkdk/sl0rvJSQWoO5ttnVOPb04JBp+fb VeooxHKKKUhgLBvZPE/SPzVgTQkKXBOyKBVlglxnYefVS8v5wOl51Q9o0nGOK1xZD/ B0KRh6+ayddSZHRaYuoiHG33TT9kX313HGeaSR3g= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Bitterblue Smith , Ping-Ke Shih Subject: [PATCH 6.15 037/592] wifi: rtw88: usb: Upload the firmware in bigger chunks Date: Mon, 23 Jun 2025 14:59:55 +0200 Message-ID: <20250623130701.128769459@linuxfoundation.org> X-Mailer: git-send-email 2.50.0 In-Reply-To: <20250623130700.210182694@linuxfoundation.org> References: <20250623130700.210182694@linuxfoundation.org> User-Agent: quilt/0.68 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Bitterblue Smith commit 80fe0bc1659c0ccc79d082e426fa376be5df9c04 upstream. RTL8811AU stops responding during the firmware download on some systems: [ 809.256440] rtw_8821au 5-2.1:1.0: Firmware version 42.4.0, H2C version 0 [ 812.759142] rtw_8821au 5-2.1:1.0 wlp48s0f4u2u1: renamed from wlan0 [ 837.315388] rtw_8821au 1-4:1.0: write register 0x1ef4 failed with -110 [ 867.524259] rtw_8821au 1-4:1.0: write register 0x1ef8 failed with -110 [ 868.930976] rtw_8821au 5-2.1:1.0 wlp48s0f4u2u1: entered promiscuous mode [ 897.730952] rtw_8821au 1-4:1.0: write register 0x1efc failed with -110 Maybe it takes too long when writing the firmware 4 bytes at a time. Write 196 bytes at a time for RTL8821AU, RTL8811AU, and RTL8812AU, and 254 bytes at a time for RTL8723DU. These are the sizes used in their official drivers. Tested with all these chips. Cc: stable@vger.kernel.org Link: https://github.com/lwfinger/rtw88/issues/344 Signed-off-by: Bitterblue Smith Acked-by: Ping-Ke Shih Signed-off-by: Ping-Ke Shih Link: https://patch.msgid.link/43f1daad-3ec0-4a3b-a50c-9cd9eb2c2f52@gmail.com Signed-off-by: Greg Kroah-Hartman --- drivers/net/wireless/realtek/rtw88/hci.h | 8 ++++ drivers/net/wireless/realtek/rtw88/mac.c | 11 +++--- drivers/net/wireless/realtek/rtw88/mac.h | 2 + drivers/net/wireless/realtek/rtw88/pci.c | 2 + drivers/net/wireless/realtek/rtw88/sdio.c | 2 + drivers/net/wireless/realtek/rtw88/usb.c | 55 ++++++++++++++++++++++++++++++ 6 files changed, 76 insertions(+), 4 deletions(-) --- a/drivers/net/wireless/realtek/rtw88/hci.h +++ b/drivers/net/wireless/realtek/rtw88/hci.h @@ -19,6 +19,8 @@ struct rtw_hci_ops { void (*link_ps)(struct rtw_dev *rtwdev, bool enter); void (*interface_cfg)(struct rtw_dev *rtwdev); void (*dynamic_rx_agg)(struct rtw_dev *rtwdev, bool enable); + void (*write_firmware_page)(struct rtw_dev *rtwdev, u32 page, + const u8 *data, u32 size); int (*write_data_rsvd_page)(struct rtw_dev *rtwdev, u8 *buf, u32 size); int (*write_data_h2c)(struct rtw_dev *rtwdev, u8 *buf, u32 size); @@ -79,6 +81,12 @@ static inline void rtw_hci_dynamic_rx_ag rtwdev->hci.ops->dynamic_rx_agg(rtwdev, enable); } +static inline void rtw_hci_write_firmware_page(struct rtw_dev *rtwdev, u32 page, + const u8 *data, u32 size) +{ + rtwdev->hci.ops->write_firmware_page(rtwdev, page, data, size); +} + static inline int rtw_hci_write_data_rsvd_page(struct rtw_dev *rtwdev, u8 *buf, u32 size) { --- a/drivers/net/wireless/realtek/rtw88/mac.c +++ b/drivers/net/wireless/realtek/rtw88/mac.c @@ -856,8 +856,8 @@ fwdl_ready: } } -static void -write_firmware_page(struct rtw_dev *rtwdev, u32 page, const u8 *data, u32 size) +void rtw_write_firmware_page(struct rtw_dev *rtwdev, u32 page, + const u8 *data, u32 size) { u32 val32; u32 block_nr; @@ -887,6 +887,7 @@ write_firmware_page(struct rtw_dev *rtwd rtw_write32(rtwdev, write_addr, le32_to_cpu(remain_data)); } } +EXPORT_SYMBOL(rtw_write_firmware_page); static int download_firmware_legacy(struct rtw_dev *rtwdev, const u8 *data, u32 size) @@ -904,11 +905,13 @@ download_firmware_legacy(struct rtw_dev rtw_write8_set(rtwdev, REG_MCUFW_CTRL, BIT_FWDL_CHK_RPT); for (page = 0; page < total_page; page++) { - write_firmware_page(rtwdev, page, data, DLFW_PAGE_SIZE_LEGACY); + rtw_hci_write_firmware_page(rtwdev, page, data, + DLFW_PAGE_SIZE_LEGACY); data += DLFW_PAGE_SIZE_LEGACY; } if (last_page_size) - write_firmware_page(rtwdev, page, data, last_page_size); + rtw_hci_write_firmware_page(rtwdev, page, data, + last_page_size); if (!check_hw_ready(rtwdev, REG_MCUFW_CTRL, BIT_FWDL_CHK_RPT, 1)) { rtw_err(rtwdev, "failed to check download firmware report\n"); --- a/drivers/net/wireless/realtek/rtw88/mac.h +++ b/drivers/net/wireless/realtek/rtw88/mac.h @@ -34,6 +34,8 @@ int rtw_pwr_seq_parser(struct rtw_dev *r const struct rtw_pwr_seq_cmd * const *cmd_seq); int rtw_mac_power_on(struct rtw_dev *rtwdev); void rtw_mac_power_off(struct rtw_dev *rtwdev); +void rtw_write_firmware_page(struct rtw_dev *rtwdev, u32 page, + const u8 *data, u32 size); int rtw_download_firmware(struct rtw_dev *rtwdev, struct rtw_fw_state *fw); int rtw_mac_init(struct rtw_dev *rtwdev); void rtw_mac_flush_queues(struct rtw_dev *rtwdev, u32 queues, bool drop); --- a/drivers/net/wireless/realtek/rtw88/pci.c +++ b/drivers/net/wireless/realtek/rtw88/pci.c @@ -12,6 +12,7 @@ #include "fw.h" #include "ps.h" #include "debug.h" +#include "mac.h" static bool rtw_disable_msi; static bool rtw_pci_disable_aspm; @@ -1602,6 +1603,7 @@ static const struct rtw_hci_ops rtw_pci_ .link_ps = rtw_pci_link_ps, .interface_cfg = rtw_pci_interface_cfg, .dynamic_rx_agg = NULL, + .write_firmware_page = rtw_write_firmware_page, .read8 = rtw_pci_read8, .read16 = rtw_pci_read16, --- a/drivers/net/wireless/realtek/rtw88/sdio.c +++ b/drivers/net/wireless/realtek/rtw88/sdio.c @@ -10,6 +10,7 @@ #include #include #include "main.h" +#include "mac.h" #include "debug.h" #include "fw.h" #include "ps.h" @@ -1154,6 +1155,7 @@ static const struct rtw_hci_ops rtw_sdio .link_ps = rtw_sdio_link_ps, .interface_cfg = rtw_sdio_interface_cfg, .dynamic_rx_agg = NULL, + .write_firmware_page = rtw_write_firmware_page, .read8 = rtw_sdio_read8, .read16 = rtw_sdio_read16, --- a/drivers/net/wireless/realtek/rtw88/usb.c +++ b/drivers/net/wireless/realtek/rtw88/usb.c @@ -165,6 +165,60 @@ static void rtw_usb_write32(struct rtw_d rtw_usb_write(rtwdev, addr, val, 4); } +static void rtw_usb_write_firmware_page(struct rtw_dev *rtwdev, u32 page, + const u8 *data, u32 size) +{ + struct rtw_usb *rtwusb = rtw_get_usb_priv(rtwdev); + struct usb_device *udev = rtwusb->udev; + u32 addr = FW_START_ADDR_LEGACY; + u8 *data_dup, *buf; + u32 n, block_size; + int ret; + + switch (rtwdev->chip->id) { + case RTW_CHIP_TYPE_8723D: + block_size = 254; + break; + default: + block_size = 196; + break; + } + + data_dup = kmemdup(data, size, GFP_KERNEL); + if (!data_dup) + return; + + buf = data_dup; + + rtw_write32_mask(rtwdev, REG_MCUFW_CTRL, BIT_ROM_PGE, page); + + while (size > 0) { + if (size >= block_size) + n = block_size; + else if (size >= 8) + n = 8; + else + n = 1; + + ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), + RTW_USB_CMD_REQ, RTW_USB_CMD_WRITE, + addr, 0, buf, n, 500); + if (ret != n) { + if (ret != -ENODEV) + rtw_err(rtwdev, + "write 0x%x len %d failed: %d\n", + addr, n, ret); + break; + } + + addr += n; + buf += n; + size -= n; + } + + kfree(data_dup); +} + static int dma_mapping_to_ep(enum rtw_dma_mapping dma_mapping) { switch (dma_mapping) { @@ -891,6 +945,7 @@ static const struct rtw_hci_ops rtw_usb_ .link_ps = rtw_usb_link_ps, .interface_cfg = rtw_usb_interface_cfg, .dynamic_rx_agg = rtw_usb_dynamic_rx_agg, + .write_firmware_page = rtw_usb_write_firmware_page, .write8 = rtw_usb_write8, .write16 = rtw_usb_write16,