2021-10-27 05:51:26

by Sandeep Maheswaram

Subject: [PATCH 2/3] usb: host: xhci-plat: Add device property to set XHCI_SKIP_PHY_INIT quirk

Add device property usb-skip-phy-init to check and set XHCI_SKIP_PHY_INIT
quirk.

Signed-off-by: Sandeep Maheswaram <[email protected]>
---
drivers/usb/host/xhci-plat.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c
index c1edcc9..2a45f89 100644
--- a/drivers/usb/host/xhci-plat.c
+++ b/drivers/usb/host/xhci-plat.c
@@ -323,6 +323,9 @@ static int xhci_plat_probe(struct platform_device *pdev)
if (device_property_read_bool(tmpdev, "quirk-broken-port-ped"))
xhci->quirks |= XHCI_BROKEN_PORT_PED;

+ if (device_property_read_bool(tmpdev, "usb-skip-phy-init"))
+ xhci->quirks |= XHCI_SKIP_PHY_INIT;
+
device_property_read_u32(tmpdev, "imod-interval-ns",
&xhci->imod_interval);
}
--
2.7.4

2021-10-30 09:02:20

by Greg Kroah-Hartman

Subject: Re: [PATCH 2/3] usb: host: xhci-plat: Add device property to set XHCI_SKIP_PHY_INIT quirk

On Tue, Oct 26, 2021 at 11:49:31PM +0530, Sandeep Maheswaram wrote:
> Add device property usb-skip-phy-init to check and set XHCI_SKIP_PHY_INIT
> quirk.
>
> Signed-off-by: Sandeep Maheswaram <[email protected]>
> ---
> drivers/usb/host/xhci-plat.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c
> index c1edcc9..2a45f89 100644
> --- a/drivers/usb/host/xhci-plat.c
> +++ b/drivers/usb/host/xhci-plat.c
> @@ -323,6 +323,9 @@ static int xhci_plat_probe(struct platform_device *pdev)
> if (device_property_read_bool(tmpdev, "quirk-broken-port-ped"))
> xhci->quirks |= XHCI_BROKEN_PORT_PED;
>
> + if (device_property_read_bool(tmpdev, "usb-skip-phy-init"))
> + xhci->quirks |= XHCI_SKIP_PHY_INIT;
> +

Why is this needed? What will it fix?

You need more information.

thanks,
greg k-h