linux-kernel - Re: [PATCH] phy: qcom: qmp: Add SDM845 PCIe QMP PHY support

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Message-ID: <1e1074af-bdd1-3e0f-6f52-14b3057c73ba@free.fr>
Date:   Wed, 27 Feb 2019 14:48:42 +0100
From:   Marc Gonzalez <marc.w.gonzalez@...e.fr>
To:     Bjorn Andersson <bjorn.andersson@...aro.org>
Cc:     Kishon Vijay Abraham I <kishon@...com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        MSM <linux-arm-msm@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Can Guo <cang@...eaurora.org>,
        Vivek Gautam <vivek.gautam@...eaurora.org>,
        Jeffrey Hugo <jhugo@...eaurora.org>
Subject: Re: [PATCH] phy: qcom: qmp: Add SDM845 PCIe QMP PHY support

On 26/02/2019 07:59, Bjorn Andersson wrote:

> +static const unsigned int sdm845_pciephy_regs_layout[] = {
> +	[QPHY_START_CTRL]		= 0x08,
> +	[QPHY_PCS_READY_STATUS]		= 0x174,
> +};
> +

Just use pciephy_regs_layout?

> +static const struct qmp_phy_cfg sdm845_pciephy_cfg = {
> +	.type = PHY_TYPE_PCIE,
> +	.nlanes = 1,
> +
> +	.serdes_tbl		= sdm845_pcie_serdes_tbl,
> +	.serdes_tbl_num		= ARRAY_SIZE(sdm845_pcie_serdes_tbl),
> +	.tx_tbl			= sdm845_pcie_tx_tbl,
> +	.tx_tbl_num		= ARRAY_SIZE(sdm845_pcie_tx_tbl),
> +	.rx_tbl			= sdm845_pcie_rx_tbl,
> +	.rx_tbl_num		= ARRAY_SIZE(sdm845_pcie_rx_tbl),
> +	.pcs_tbl		= sdm845_pcie_pcs_tbl,
> +	.pcs_tbl_num		= ARRAY_SIZE(sdm845_pcie_pcs_tbl),
> +	.pcs_misc_tbl		= sdm845_pcie_pcs_misc_tbl,
> +	.pcs_misc_tbl_num	= ARRAY_SIZE(sdm845_pcie_pcs_misc_tbl),
> +	.clk_list		= sdm845_pciephy_clk_l,
> +	.num_clks		= ARRAY_SIZE(sdm845_pciephy_clk_l),
> +	.reset_list		= sdm845_pciephy_reset_l,
> +	.num_resets		= ARRAY_SIZE(sdm845_pciephy_reset_l),
> +	.vreg_list		= qmp_phy_vreg_l,
> +	.num_vregs		= ARRAY_SIZE(qmp_phy_vreg_l),
> +	.regs			= sdm845_pciephy_regs_layout,

pciephy_regs_layout

> +
> +	.start_ctrl		= PCS_START | SERDES_START,
> +	.pwrdn_ctrl		= SW_PWRDN | REFCLK_DRV_DSBL,
> +	.mask_com_pcs_ready	= PCS_READY,
> +
> +	.has_phy_com_ctrl	= false,
> +	.has_lane_rst		= false,

Obviously, false entries may be omitted.

> +	.has_pwrdn_delay	= true,
> +	.pwrdn_delay_min	= 995,		/* us */
> +	.pwrdn_delay_max	= 1005,		/* us */

I think you can drop this.

Regards.