From: Fiona Klute Date: Mon, 11 Mar 2024 10:37:12 +0000 (+0100) Subject: wifi: rtw88: Reset 8703b firmware before download X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=1f30e95b1646c1c5b0fa82b6762634505a81bb87;p=linux.git 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. Acked-by: Ping-Ke Shih Tested-by: Pavel Machek Signed-off-by: Fiona Klute Signed-off-by: Kalle Valo Link: https://msgid.link/20240311103735.615541-9-fiona.klute@gmx.de --- diff --git a/drivers/net/wireless/realtek/rtw88/mac.c b/drivers/net/wireless/realtek/rtw88/mac.c index 0c1c1ff31085c..699ae3048c6ba 100644 --- a/drivers/net/wireless/realtek/rtw88/mac.c +++ b/drivers/net/wireless/realtek/rtw88/mac.c @@ -943,6 +943,12 @@ 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_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);