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From: Krishna Kurapati PSSNV <krishna.kurapati@oss.qualcomm.com>
To: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>,
	Vinod Koul <vkoul@kernel.org>,
	Kishon Vijay Abraham I <kishon@kernel.org>,
	Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Bjorn Andersson <andersson@kernel.org>,
	Konrad Dybcio <konradybcio@kernel.org>,
	Luca Weiss <luca.weiss@fairphone.com>,
	Neil Armstrong <neil.armstrong@linaro.org>,
	Johan Hovold <johan+linaro@kernel.org>,
	Pengyu Luo <mitltlatltl@gmail.com>
Cc: linux-arm-msm@vger.kernel.org, linux-phy@lists.infradead.org,
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/3] phy: qualcomm: phy-qcom-eusb2-repeater: Add squelch detect param update
Date: Wed, 3 Dec 2025 16:55:26 +0530	[thread overview]
Message-ID: <4de408ba-c6ed-42ba-8f68-fa342ee670a4@oss.qualcomm.com> (raw)
In-Reply-To: <fe15827d-c15c-4b4e-973e-3cc379714467@oss.qualcomm.com>



On 12/3/2025 4:45 PM, Konrad Dybcio wrote:
> On 12/3/25 9:36 AM, Krishna Kurapati wrote:
>> Add support for overriding Squelch Detect parameter.
>>
>> Signed-off-by: Krishna Kurapati <krishna.kurapati@oss.qualcomm.com>
>> ---
> 
> [...]
> 
>>   struct eusb2_repeater_init_tbl_reg {
>>   	unsigned int reg;
>>   	unsigned int value;
>> @@ -120,7 +131,9 @@ static int eusb2_repeater_init(struct phy *phy)
>>   	struct regmap *regmap = rptr->regmap;
>>   	u32 base = rptr->base;
>>   	u32 poll_val;
>> +	s32 dt_val;
>>   	int ret;
>> +	int i;
>>   	u8 val;
>>   
>>   	ret = regulator_bulk_enable(rptr->cfg->num_vregs, rptr->vregs);
>> @@ -147,6 +160,14 @@ static int eusb2_repeater_init(struct phy *phy)
>>   	if (!of_property_read_u8(np, "qcom,tune-res-fsdif", &val))
>>   		regmap_write(regmap, base + EUSB2_TUNE_RES_FSDIF, val);
>>   
>> +	if (!of_property_read_s32(np, "qcom,squelch-detector-bp", &dt_val)) {
>> +		for (i = 0; i < 8; i++) {
>> +			if (squelch_detector[i] == dt_val)
>> +				val = i;
>> +		}
>> +		regmap_write(regmap, base + EUSB2_TUNE_SQUELCH_U, val);
> 
> 
> How about:
> 
> if (!of_property..) {
> 	for (i = 0; i < ARRAY_SIZE(squelch_detector); i++) {
> 		if (squelch_detector[i] == dt_val) {
> 			regmap_write()
> 			break;
> 		}
> 	}
> }
> 
> We could also validate the value (if none found but property present, error
> out), but the dt checker already lists all the available values so that may
> not be necessary
> 

Thanks for the review Konrad.

Will make changes accordingly.

Regards,
Krishna,

  reply	other threads:[~2025-12-03 11:25 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-12-03  8:36 [PATCH 0/3] Add eusb2 repeater squelch detect parameter override Krishna Kurapati
2025-12-03  8:36 ` [PATCH 1/3] dt-bindings: phy: qcom,snps-eusb2-repeater: Add squelch param update Krishna Kurapati
2025-12-03 11:16   ` Konrad Dybcio
2025-12-03  8:36 ` [PATCH 2/3] phy: qualcomm: phy-qcom-eusb2-repeater: Add squelch detect " Krishna Kurapati
2025-12-03 11:15   ` Konrad Dybcio
2025-12-03 11:25     ` Krishna Kurapati PSSNV [this message]
2025-12-03  8:36 ` [PATCH 3/3] arm64: dts: qcom: sm8750-mtp: Add eusb2 repeater tuning parameters Krishna Kurapati

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