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

From: Vinod Koul
Date: Mon May 04 2020 - 03:29:34 EST


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