linux-kernel - Re: [PATCH 1/2] phy: qualcomm: eusb2-repeater: Fix the regfields for multiple instances

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Message-ID: <8d6c659a-5164-4f85-a90c-6d3f439821b6@linaro.org>
Date: Thu, 4 Jan 2024 23:46:05 +0100
From: Konrad Dybcio <konrad.dybcio@...aro.org>
To: Abel Vesa <abel.vesa@...aro.org>, Bjorn Andersson <andersson@...nel.org>,
 Vinod Koul <vkoul@...nel.org>, Kishon Vijay Abraham I <kishon@...nel.org>
Cc: linux-arm-msm@...r.kernel.org, linux-phy@...ts.infradead.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] phy: qualcomm: eusb2-repeater: Fix the regfields for
 multiple instances

On 4.01.2024 15:52, Abel Vesa wrote:
> The global regmap fields offsets currently get incremented with the base
> address of the repeater. This issue doesn't get noticed unless the probe
> defers or there are multiple repeaters on that platform. So instead of
> incrementing the global ones, copy them for each instance of the
> repeater.
> 
> Fixes: 4ba2e52718c0 ("phy: qualcomm: phy-qcom-eusb2-repeater: Use regmap_fields")
> Signed-off-by: Abel Vesa <abel.vesa@...aro.org>
> ---
Ohh I wouldn't have thought about this.. Nice spot!

[...]

> -	struct reg_field *regfields = eusb2_repeater_tune_reg_fields;
>  	struct eusb2_repeater *rptr = phy_get_drvdata(phy);
> +	struct reg_field *regfields = rptr->regfields;
Without this:

Reviewed-by: Konrad Dybcio <konrad.dybcio@...aro.org>

Konrad