From: Ping-Ke Shih <pkshih@realtek.com>
To: Fiona Klute <fiona.klute@gmx.de>,
"linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>
Cc: "Kalle Valo" <kvalo@kernel.org>,
"Ulf Hansson" <ulf.hansson@linaro.org>,
"linux-mmc@vger.kernel.org" <linux-mmc@vger.kernel.org>,
"Pavel Machek" <pavel@ucw.cz>, "Ondřej Jirman" <megi@xff.cz>
Subject: RE: [PATCH 8/9] wifi: rtw88: Reset 8703b firmware before download
Date: Mon, 5 Feb 2024 03:05:00 +0000 [thread overview]
Message-ID: <3f625eaee20e4399b8b6ef7d2776a530@realtek.com> (raw)
In-Reply-To: <20240202121050.977223-9-fiona.klute@gmx.de>
> -----Original Message-----
> From: Fiona Klute <fiona.klute@gmx.de>
> Sent: Friday, February 2, 2024 8:11 PM
> To: linux-wireless@vger.kernel.org; Ping-Ke Shih <pkshih@realtek.com>
> Cc: Kalle Valo <kvalo@kernel.org>; Ulf Hansson <ulf.hansson@linaro.org>; linux-mmc@vger.kernel.org; Pavel
> Machek <pavel@ucw.cz>; Ondřej Jirman <megi@xff.cz>; Fiona Klute <fiona.klute@gmx.de>
> Subject: [PATCH 8/9] wifi: rtw88: Reset 8703b firmware before download
>
> Sometimes 8703b firmware is still active from previous use when the
> driver needs to download the firmware during MAC activation. Reset it
> in that case.
>
> Signed-off-by: Fiona Klute <fiona.klute@gmx.de>
> ---
> drivers/net/wireless/realtek/rtw88/mac.c | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/drivers/net/wireless/realtek/rtw88/mac.c b/drivers/net/wireless/realtek/rtw88/mac.c
> index 298663b035..b6de097e44 100644
> --- a/drivers/net/wireless/realtek/rtw88/mac.c
> +++ b/drivers/net/wireless/realtek/rtw88/mac.c
> @@ -936,6 +936,12 @@ static int __rtw_download_firmware_legacy(struct rtw_dev *rtwdev,
> {
> int ret = 0;
>
> + /* reset firmware if still present */
> + if (rtwdev->chip->id == RTW_CHIP_TYPE_8703B &&
> + rtw_read8(rtwdev, REG_MCUFW_CTRL) & BIT_RAM_DL_SEL) {
rtw_read8_mask(rtwdev, REG_MCUFW_CTRL, BIT_RAM_DL_SEL)
> + rtw_write8(rtwdev, REG_MCUFW_CTRL, 0x00);
> + }
> +
> en_download_firmware_legacy(rtwdev, true);
> ret = download_firmware_legacy(rtwdev, fw->firmware->data, fw->firmware->size);
> en_download_firmware_legacy(rtwdev, false);
> --
> 2.43.0
>
next prev parent reply other threads:[~2024-02-05 3:05 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-02-02 12:10 [PATCH 0/9] rtw88: Add support for RTL8723CS/RTL8703B Fiona Klute
2024-02-02 12:10 ` [PATCH 1/9] wifi: rtw88: Shared module for rtw8723x devices Fiona Klute
2024-02-03 14:20 ` kernel test robot
2024-02-03 15:04 ` kernel test robot
2024-02-03 21:47 ` kernel test robot
2024-02-04 10:03 ` kernel test robot
2024-02-05 1:45 ` Ping-Ke Shih
2024-02-05 16:47 ` Fiona Klute
2024-02-06 0:59 ` Ping-Ke Shih
2024-02-02 12:10 ` [PATCH 2/9] wifi: rtw88: Debug output for rtw8723x EFUSE Fiona Klute
2024-02-05 2:17 ` Ping-Ke Shih
2024-02-05 17:10 ` Fiona Klute
2024-02-02 12:10 ` [PATCH 3/9] wifi: rtw88: Add definitions for 8703b chip Fiona Klute
2024-02-02 12:10 ` [PATCH 4/9] wifi: rtw88: Add rtw8703b.h Fiona Klute
2024-02-05 2:24 ` Ping-Ke Shih
2024-02-06 1:08 ` Fiona Klute
2024-02-06 2:02 ` Ping-Ke Shih
2024-02-02 12:10 ` [PATCH 5/9] wifi: rtw88: Add rtw8703b.c Fiona Klute
2024-02-05 3:01 ` Ping-Ke Shih
2024-02-05 19:06 ` Fiona Klute
2024-02-06 1:37 ` Ping-Ke Shih
2024-02-06 8:12 ` Pavel Machek
2024-02-07 5:58 ` Ping-Ke Shih
2024-02-02 12:10 ` [PATCH 6/9] wifi: rtw88: Add rtw8703b_tables.h Fiona Klute
2024-02-02 12:10 ` [PATCH 7/9] wifi: rtw88: Add rtw8703b_tables.c Fiona Klute
2024-02-02 12:10 ` [PATCH 8/9] wifi: rtw88: Reset 8703b firmware before download Fiona Klute
2024-02-05 3:05 ` Ping-Ke Shih [this message]
2024-02-02 12:10 ` [PATCH 9/9] wifi: rtw88: SDIO device driver for RTL8723CS Fiona Klute
2024-02-05 3:10 ` Ping-Ke Shih
2024-02-05 16:07 ` Ulf Hansson
2024-02-02 13:13 ` [PATCH 0/9] rtw88: Add support for RTL8723CS/RTL8703B Dmitry Antipov
2024-02-02 13:27 ` Fiona Klute
2024-02-02 13:54 ` Dmitry Antipov
2024-02-02 14:13 ` Fiona Klute
2024-02-02 20:19 ` Pavel Machek
2024-02-03 0:36 ` Fiona Klute
2024-02-02 20:44 ` Pavel Machek
2024-02-02 20:52 ` Pavel Machek
2024-02-03 11:33 ` Fiona Klute
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