linux-kernel - Re: [PATCH v4 11/13] wifi: ath12k: Power up userPD

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Message-ID: <89d1793e-069a-41b7-bf49-28da4acc7ea2@quicinc.com>
Date: Thu, 30 Jan 2025 00:04:16 +0530
From: Raj Kumar Bhagat <quic_rajkbhag@...cinc.com>
To: Krzysztof Kozlowski <krzk@...nel.org>, <ath12k@...ts.infradead.org>
CC: <linux-wireless@...r.kernel.org>, Kalle Valo <kvalo@...nel.org>,
        "Rob
 Herring" <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        "Conor
 Dooley" <conor+dt@...nel.org>,
        Jeff Johnson <jjohnson@...nel.org>, <linux-kernel@...r.kernel.org>,
        <devicetree@...r.kernel.org>,
        "Sowmiya Sree
 Elavalagan" <quic_ssreeela@...cinc.com>
Subject: Re: [PATCH v4 11/13] wifi: ath12k: Power up userPD

On 12/10/2024 8:22 PM, Krzysztof Kozlowski wrote:
> On 10/12/2024 08:41, Raj Kumar Bhagat wrote:
>> +
>> +	time_left = wait_for_completion_timeout(&ab_ahb->userpd_ready,
>> +						ATH12K_USERPD_READY_TIMEOUT);
>> +	if (!time_left) {
>> +		ath12k_err(ab, "UserPD ready wait timed out\n");
>> +		ret = -ETIMEDOUT;
>> +		goto err_fw2;
>> +	}
>> +
>> +	qcom_smem_state_update_bits(ab_ahb->spawn_state, BIT(ab_ahb->spawn_bit), 0);
>> +
>> +	ath12k_info(ab, "UserPD%d is now UP\n", ab_ahb->userpd_id);
> 
> Don't bug users with success messages. Your driver is supposed to be
> silent on success.
> 

sure, will move this to ath12k_dbg() print.

>> +
>> +err_fw2:
>> +	release_firmware(fw2);
>> +err_fw:
>> +	release_firmware(fw);
>> +	return ret;
>> +}
>> +
>>  static void ath12k_ahb_init_qmi_ce_config(struct ath12k_base *ab)
>>  {
>>  	struct ath12k_qmi_ce_cfg *cfg = &ab->qmi.ce_cfg;
>> @@ -557,6 +694,7 @@ static const struct ath12k_hif_ops ath12k_ahb_hif_ops_ipq5332 = {
>>  	.irq_enable = ath12k_ahb_ext_irq_enable,
>>  	.irq_disable = ath12k_ahb_ext_irq_disable,
>>  	.map_service_to_pipe = ath12k_ahb_map_service_to_pipe,
>> +	.power_up = ath12k_ahb_power_up,
>>  };
>>  
>>  static irqreturn_t ath12k_userpd_irq_handler(int irq, void *data)
>> diff --git a/drivers/net/wireless/ath/ath12k/ahb.h b/drivers/net/wireless/ath/ath12k/ahb.h
>> index 0999e2bbe970..0dbbbfd45eab 100644
>> --- a/drivers/net/wireless/ath/ath12k/ahb.h
>> +++ b/drivers/net/wireless/ath/ath12k/ahb.h
>> @@ -19,7 +19,15 @@
>>  #define ATH12K_PCI_IRQ_CE0_OFFSET		3
>>  #define ATH12K_ROOTPD_READY_TIMEOUT		(5 * HZ)
>>  #define ATH12K_RPROC_AFTER_POWERUP		QCOM_SSR_AFTER_POWERUP
>> -
> 
> Why? You just added this line in previous commits.
> 

will take care in next version.

>> +#define ATH12K_AHB_FW_PREFIX			"q6_fw"
>> +#define ATH12K_AHB_FW_SUFFIX			".mdt"
> Best regards,
> Krzysztof