[PATCH mt76 1/6] wifi: mt76: mt7996: fix RRO EMU configuration

Lorenzo Bianconi lorenzo at kernel.org
Thu Mar 12 03:39:53 PDT 2026


> From: Peter Chiu <chui-hao.chiu at mediatek.com>
> 
> Use the correct helper to update specific bitfields instead of
> overwriting the entire register.
> 
> Fixes: eedb427eb260 ("wifi: mt76: mt7996: Enable HW RRO for MT7992 chipset")
> Signed-off-by: Peter Chiu <chui-hao.chiu at mediatek.com>
> Signed-off-by: Shayne Chen <shayne.chen at mediatek.com>

Acked-by: Lorenzo Bianconi <lorenzo at kernel.org>

> ---
>  drivers/net/wireless/mediatek/mt76/mt7996/init.c | 3 +--
>  drivers/net/wireless/mediatek/mt76/mt7996/mac.c  | 2 +-
>  2 files changed, 2 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/init.c b/drivers/net/wireless/mediatek/mt76/mt7996/init.c
> index 5aaa93767109..f3239f530aea 100644
> --- a/drivers/net/wireless/mediatek/mt76/mt7996/init.c
> +++ b/drivers/net/wireless/mediatek/mt76/mt7996/init.c
> @@ -873,8 +873,7 @@ void mt7996_rro_hw_init(struct mt7996_dev *dev)
>  			}
>  		} else {
>  			/* set emul 3.0 function */
> -			mt76_wr(dev, MT_RRO_3_0_EMU_CONF,
> -				MT_RRO_3_0_EMU_CONF_EN_MASK);
> +			mt76_set(dev, MT_RRO_3_0_EMU_CONF, MT_RRO_3_0_EMU_CONF_EN_MASK);
>  
>  			mt76_wr(dev, MT_RRO_ADDR_ARRAY_BASE0,
>  				dev->wed_rro.addr_elem[0].phy_addr);
> diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/mac.c b/drivers/net/wireless/mediatek/mt76/mt7996/mac.c
> index a415cc610eee..86aaf0f29e28 100644
> --- a/drivers/net/wireless/mediatek/mt76/mt7996/mac.c
> +++ b/drivers/net/wireless/mediatek/mt76/mt7996/mac.c
> @@ -2559,7 +2559,7 @@ void mt7996_mac_reset_work(struct work_struct *work)
>  	mt7996_dma_start(dev, false, false);
>  
>  	if (!is_mt7996(&dev->mt76) && dev->mt76.hwrro_mode == MT76_HWRRO_V3)
> -		mt76_wr(dev, MT_RRO_3_0_EMU_CONF, MT_RRO_3_0_EMU_CONF_EN_MASK);
> +		mt76_set(dev, MT_RRO_3_0_EMU_CONF, MT_RRO_3_0_EMU_CONF_EN_MASK);
>  
>  	if (mtk_wed_device_active(&dev->mt76.mmio.wed)) {
>  		u32 wed_irq_mask = MT_INT_TX_DONE_BAND2 |
> -- 
> 2.51.0
> 
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