Re: [2/9] phy: add Rockchip Innosilicon hdmi phy

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Hello.

On Mon, 5 Feb 2018, Heiko Stuebner wrote:
From: Zheng Yang <zhengyang@xxxxxxxxxxxxxx>

Add a driver for the Innosilicon hdmi phy used on rk3228/rk3229
and rk3328 socs from Rockchip.

Signed-off-by: Zheng Yang <zhengyang@xxxxxxxxxxxxxx>
Signed-off-by: Heiko Stuebner <heiko@xxxxxxxxx>
---
+++ b/drivers/phy/rockchip/phy-rockchip-inno-hdmi.c
+static u32 inno_hdmi_phy_get_tmdsclk(struct inno_hdmi_phy *inno, int rate)
+{
+	int bus_width = phy_get_bus_width(inno->phy);
+	u32 tmdsclk;
+
+	switch (bus_width) {
+	case 4:
+		tmdsclk = rate / 2;
+		break;
+	case 5:
+		tmdsclk = rate * 5 / 8;
+		break;
+	case 6:
+		tmdsclk = rate * 3 / 4;
+		break;
+	case 10:
+		tmdsclk = rate * 5 / 4;
+		break;
+	case 12:
+		tmdsclk = rate * 3 / 2;
+		break;
+	case 16:
+		tmdsclk = rate * 2;
+		break;
+	default:
+		tmdsclk = rate;
+	}
+
+	return tmdsclk;
+}

Please corrects integer overflow like https://github.com/mcerveny/rockchip-linux/commit/b4bc703f2dca4e5115b22155920d2277671a9f00

M.C>
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