[U-Boot] [PATCH] sunxi: usb_phy: Swap check for disconnect threshold

[Ian Campbell]

On Mon, 2015-06-01 at 17:01 +0200, Hans de Goede wrote:
> Before this commit the code for determining the disconnect threshold was
> checking for sun4i or sun6i assuming that those where the exception and
> that newer SoCs use a disconnect threshold of 2 like sun7i does.
> 
> But it turns out that newer SoCs actually use a disconnect threshold of 3
> and sun5i and sun7i are the exceptions, so check for those instead.
> 
> Here are the settings from the various Allwinner SDK sources:
>  sun4i-a10: USBC_Phy_Write(usbc_no, 0x2a, 3, 2);
>  sun5i-a13: USBC_Phy_Write(usbc_no, 0x2a, 2, 2);
>  sun6i-a31: USBC_Phy_Write(usbc_no, 0x2a, 3, 2);
>  sun7i-a20: USBC_Phy_Write(usbc_no, 0x2a, 2, 2);
>  sun8i-a23: USBC_Phy_Write(usbc_no, 0x2a, 3, 2);
>  sun8i-h3:  USBC_Phy_Write(usbc_no, 0x2a, 3, 2);
>  sun9i-a80: USBC_Phy_Write(usbc_no, 0x2a, 3, 2);
> 
> Note this commit makes no functional changes for sun4i - sun7i, and
> changes the disconnect threshold for sun8i to match what Allwinner uses.
> 
> Signed-off-by: Hans de Goede <hdegoede at redhat.com>

Acked-by: Ian Campbell <ijc at hellion.org.uk>