[PATCH v15 03/16] phy: rockchip: usbdp: Do not lose USB3 PHY status

[Manivannan Sadhasivam]

On Tue, Sep 15, 2026 at 03:49:50PM +0200, Sebastian Reichel wrote:
> By default (i.e. without manually enabling runtime PM) DWC3 requests the
> USB3 PHY once and keeps it enabled all the time. When DisplayPort is
> being requested later on, a mode change is needed. This re-initializes
> the PHY. During re-initialization the status variable has incorrectly
> been cleared, which means the tracking information for USB3 is lost.
> 
> This is not an immediate problem, since the DP side keeps the PHY
> enabled. But once DP is toggled off, the whole PHY will be disabled.
> This is a problem, because the USB side still needs it powered.
> 
> Fix things by not clearing the status flags.
> 
> Fixes: 2f70bbddeb45 ("phy: rockchip: add usbdp combo phy driver")
> Tested-by: Igor Paunovic <royalnet026 at gmail.com> # Orange Pi 5 Plus
> Signed-off-by: Sebastian Reichel <sebastian.reichel at collabora.com>

Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam at oss.qualcomm.com>

- Mani

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