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wifi: rtw88: Reset 8703b firmware before download

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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 <pkshih@realtek.com>
Tested-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Fiona Klute <fiona.klute@gmx.de>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20240311103735.615541-9-fiona.klute@gmx.de
This commit is contained in:
Fiona Klute 2024-03-11 11:37:12 +01:00 committed by Kalle Valo
parent c75065b1eb
commit 1f30e95b16
1 changed files with 6 additions and 0 deletions
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6
drivers/net/wireless/realtek/rtw88/mac.c
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@ -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);