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Re: [PATCH v2 06/16] mt76: connac: move mcu reg access utility routines in mt76_connac_lib module

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From: Sean Wang <sean.wang@xxxxxxxxxxxx>

>> From: Sean Wang <sean.wang@xxxxxxxxxxxx>
>>
>> Move mcu reg access shared between mt7663s and mt7921s in
>> mt76_connac_lib module.
>>
>> Tested-by: Deren Wu <deren.wu@xxxxxxxxxxxx>
>> Signed-off-by: Sean Wang <sean.wang@xxxxxxxxxxxx>
>> ---
>>  .../wireless/mediatek/mt76/mt76_connac_mcu.c  | 27
>> +++++++++++++++++++  .../wireless/mediatek/mt76/mt76_connac_mcu.h  |
>> 2 ++
>>  2 files changed, 29 insertions(+)
>>
>> diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c
>> b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c
>> index ae692052de97..a53f6344a184 100644
>> --- a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c
>> +++ b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c
>> @@ -2406,6 +2406,33 @@ void mt76_connac_mcu_set_suspend_iter(void
>> *priv, u8 *mac,  }
>> EXPORT_SYMBOL_GPL(mt76_connac_mcu_set_suspend_iter);
>>
>> +u32 mt76_connac_mcu_reg_rr(struct mt76_dev *dev, u32 offset) {
>> +	struct {
>> +		__le32 addr;
>> +		__le32 val;
>> +	} __packed req = {
>> +		.addr = cpu_to_le32(offset),
>> +	};
>> +
>> +	return mt76_mcu_send_msg(dev, MCU_CMD_REG_READ, &req, sizeof(req),
>> +				 true);
>> +}
>> +EXPORT_SYMBOL_GPL(mt76_connac_mcu_reg_rr);
>
>It seems quite a common code, does it worth to move them in mcu.c? (mt76 module)

My understanding would be mt76/mcu.c only provides the framework that handle the
pure software stuff and shouldn't contain any firmware or device related logic.

So I prefer to add those commands MCU_CMD_REG_READ and MCU_CMD_REG_WRITE to
mt76_connac_mcu.c like the other commands we have added there.

>
>Regards,
>Lorenzo
>
>> +
>> +void mt76_connac_mcu_reg_wr(struct mt76_dev *dev, u32 offset, u32
>> +val) {
>> +	struct {
>> +		__le32 addr;
>> +		__le32 val;
>> +	} __packed req = {
>> +		.addr = cpu_to_le32(offset),
>> +		.val = cpu_to_le32(val),
>> +	};
>> +
>> +	mt76_mcu_send_msg(dev, MCU_CMD_REG_WRITE, &req, sizeof(req), false);
>> +} EXPORT_SYMBOL_GPL(mt76_connac_mcu_reg_wr);
>>  #endif /* CONFIG_PM */
>>
>>  MODULE_AUTHOR("Lorenzo Bianconi <lorenzo@xxxxxxxxxx>"); diff --git
>> a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h
>> b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h
>> index ea46dde364e1..6c410c4a8d6e 100644
>> --- a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h
>> +++ b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h
>> @@ -1111,4 +1111,6 @@ void mt76_connac_mcu_coredump_event(struct
>> mt76_dev *dev, struct sk_buff *skb,  int
>> mt76_connac_mcu_set_rate_txpower(struct mt76_phy *phy);  int mt76_connac_mcu_set_p2p_oppps(struct ieee80211_hw *hw,
>>				  struct ieee80211_vif *vif);
>> +u32 mt76_connac_mcu_reg_rr(struct mt76_dev *dev, u32 offset); void
>> +mt76_connac_mcu_reg_wr(struct mt76_dev *dev, u32 offset, u32 val);
>>  #endif /* __MT76_CONNAC_MCU_H */
>> --
>> 2.25.1
>>




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