Re: [PATCH v7 3/3] phy: intel: Add driver support for ComboPhy

[Vinod Koul]

On 30-04-20, 15:15, Dilip Kota wrote:

> +enum {
> +	PHY_0,
> +	PHY_1,
> +	PHY_MAX_NUM

PHY_MAX_NUM = PHY_1?

> +static inline void combo_phy_w32_off_mask(void __iomem *base, unsigned int reg,
> +					  u32 mask, u32 val)
> +{
> +	u32 reg_val;
> +
> +	reg_val = readl(base + reg);
> +	reg_val &= ~mask;
> +	reg_val |= FIELD_PREP(mask, val);
> +	writel(reg_val, base + reg);

bypassing regmap here... why?

> +static int intel_cbphy_calibrate(struct phy *phy)
> +{
> +	struct intel_cbphy_iphy *iphy = phy_get_drvdata(phy);
> +	struct intel_combo_phy *cbphy = iphy->parent;
> +	void __iomem *cr_base = cbphy->cr_base;
> +	int val, ret, id;
> +
> +	if (cbphy->phy_mode != PHY_XPCS_MODE)
> +		return 0;
> +
> +	id = PHY_ID(iphy);
> +
> +	/* trigger auto RX adaptation */
> +	combo_phy_w32_off_mask(cr_base, CR_ADDR(PCS_XF_ATE_OVRD_IN_2, id),
> +			       ADAPT_REQ_MSK, 3);
> +	/* Wait RX adaptation to finish */
> +	ret = readl_poll_timeout(cr_base + CR_ADDR(PCS_XF_RX_ADAPT_ACK, id),
> +				 val, val & RX_ADAPT_ACK_BIT, 10, 5000);
> +	if (ret)
> +		dev_err(cbphy->dev, "RX Adaptation failed!\n");

you want to continue her and not return error?
-- 
~Vinod