linux-kernel - Re: [PATCH 2/3] phy: sun4i: add support for A64 usb phy

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Date:	Sun, 31 Jul 2016 18:09:12 +0530
From:	Amit Tomer <amittomer25@...il.com>
To:	Icenowy Zheng <icenowy@...c.xyz>
Cc:	Rob Herring <robh+dt@...nel.org>,
	Maxime Ripard <maxime.ripard@...e-electrons.com>,
	Chen-Yu Tsai <wens@...e.org>,
	Hans de Goede <hdegoede@...hat.com>,
	Mark Rutland <mark.rutland@....com>,
	devicetree@...r.kernel.org, linux-usb@...r.kernel.org,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Reinder de Haan <patchesrdh@...as.com>,
	linux-kernel@...r.kernel.org,
	Kishon Vijay Abraham I <kishon@...com>,
	Tony Prisk <linux@...sktech.co.nz>,
	Alan Stern <stern@...land.harvard.edu>,
	linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH 2/3] phy: sun4i: add support for A64 usb phy

Hello ,

> @@ -264,6 +266,12 @@ static int sun4i_usb_phy_init(struct phy *_phy)
>                 val = readl(phy->pmu + REG_PMU_UNK_H3);
>                 writel(val & ~2, phy->pmu + REG_PMU_UNK_H3);
>         } else {
> +               /* A64 needs also this unknown bit */
> +               if (data->cfg->type == sun50i_a64_phy) {
> +                       val = readl(phy->pmu + REG_PMU_UNK_H3);
> +                       writel(val & ~2, phy->pmu + REG_PMU_UNK_H3);
> +               }
> +

This bit is also set for H3, shall we reuse it or we should enclose it
in else-if part ?

Thanks
Amit.