linux-kernel - Re: [PATCH v5 2/5] phy: qcom-snps: Add SNPS USB PHY driver for QCOM based SOCs

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Message-ID: <91262538-6b1e-afd3-97f8-614bb4a54b5a@codeaurora.org>
Date:   Fri, 3 Apr 2020 09:56:37 -0700
From:   Wesley Cheng <wcheng@...eaurora.org>
To:     Vinod Koul <vkoul@...nel.org>
Cc:     agross@...nel.org, bjorn.andersson@...aro.org, kishon@...com,
        robh+dt@...nel.org, mark.rutland@....com, p.zabel@...gutronix.de,
        mgautam@...eaurora.org, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org
Subject: Re: [PATCH v5 2/5] phy: qcom-snps: Add SNPS USB PHY driver for QCOM
 based SOCs

Hi Vinod,

Thanks for the review, I'll address these in the next version.

On 4/2/2020 11:01 PM, Vinod Koul wrote:
> On 02-04-20, 19:23, Wesley Cheng wrote:
>> This adds the SNPS FemtoPHY V2 driver used in QCOM SOCs.  There
>> are potentially multiple instances of this UTMI PHY on the
>> SOC, all which can utilize this driver.  The V2 driver will
>> have a different register map compared to V1.
> 
> Some nitpicks below, otherwise:
> 
> Reviewed-by: Vinod Koul <vkoul@...nel.org>
> 
>> +/**
>> + * struct qcom_snps_hsphy - structure holding snps hs phy attributes
>> + *
>> + * @phy: generic phy
>> + * @base: iomapped memory space for qubs2 phy
>> + *
>> + * @cfg_ahb_clk: AHB2PHY interface clock
>> + * @ref_clk: phy reference clock
>> + * @iface_clk: phy interface clock
>> + * @phy_reset: phy reset control
>> + * @vregs: regulator supplies bulk data
>> +
> 
> This is missing the marker * for kernel doc
> 
>> + * @phy_initialized: if PHY has been initialized correctly
>> + *
> 
> This empty line is redundant
> 
>> + */
>> +struct qcom_snps_hsphy {
>> +	struct phy *phy;
>> +	void __iomem *base;
>> +
>> +	struct clk *cfg_ahb_clk;
>> +	struct clk *ref_clk;
>> +	struct reset_control *phy_reset;
>> +	struct regulator_bulk_data vregs[SNPS_HS_NUM_VREGS];
>> +
>> +	bool phy_initialized;
>> +};
>> +
>> +static inline void qcom_snps_hsphy_write_mask(void __iomem *base, u32 offset,
>> +				    u32 mask, u32 val)
> 
> coding style mandates that second line should start at preceeding line
> opening brace :), so can you please make it:
> 
> static inline void qcom_snps_hsphy_write_mask(void __iomem *base, u32 offset,
>                                               u32 mask, u32 val)
> 

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