diff mbox series

[v3,3/3] arm64: dts: mediatek: mt8195: Add 'rx-fifo-depth' for cherry

Message ID 20231220025842.7082-3-chunfeng.yun@mediatek.com (mailing list archive)
State New, archived
Headers show
Series [v3,1/3] dt-bindings: usb: mtk-xhci: add a property for Gen1 isoc-in transfer issue | expand

Commit Message

Chunfeng Yun (云春峰) Dec. 20, 2023, 2:58 a.m. UTC
Add the quirk property "rx-fifo-depth" to work around Gen1 isoc-in
transfer issue which send out unexpected ACK even after device
already finished the burst transfer with a short patcket, specially
for a 4K camera device.

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
---
v3: change value according to binding
v2: use 'rx-fifo-depth' property
---
 arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi | 2 ++
 1 file changed, 2 insertions(+)

Comments

AngeloGioacchino Del Regno Dec. 20, 2023, 10:30 a.m. UTC | #1
Il 20/12/23 03:58, Chunfeng Yun ha scritto:
> Add the quirk property "rx-fifo-depth" to work around Gen1 isoc-in
> transfer issue which send out unexpected ACK even after device
> already finished the burst transfer with a short patcket, specially
> for a 4K camera device.
> 
> Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
> ---
> v3: change value according to binding
> v2: use 'rx-fifo-depth' property
> ---
>   arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi | 2 ++
>   1 file changed, 2 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi b/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi
> index dd5b89b73190..58593348b810 100644
> --- a/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi
> +++ b/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi
> @@ -1185,6 +1185,7 @@
>   

Can you please place rx-fifo-depth before power supplies?

after which,

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>

Thanks,
Angelo

>   	vusb33-supply = <&mt6359_vusb_ldo_reg>;
>   	vbus-supply = <&usb_vbus>;
> +	rx-fifo-depth = <3>;
>   };
>   
>   &xhci1 {
> @@ -1192,6 +1193,7 @@
>   
>   	vusb33-supply = <&mt6359_vusb_ldo_reg>;
>   	vbus-supply = <&usb_vbus>;
> +	rx-fifo-depth = <3>;
>   };
>   
>   &xhci2 {
Chunfeng Yun (云春峰) Dec. 27, 2023, 1:59 a.m. UTC | #2
On Wed, 2023-12-20 at 11:30 +0100, AngeloGioacchino Del Regno wrote:
> Il 20/12/23 03:58, Chunfeng Yun ha scritto:
> > Add the quirk property "rx-fifo-depth" to work around Gen1 isoc-in
> > transfer issue which send out unexpected ACK even after device
> > already finished the burst transfer with a short patcket, specially
> > for a 4K camera device.
> > 
> > Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
> > ---
> > v3: change value according to binding
> > v2: use 'rx-fifo-depth' property
> > ---
> >   arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi | 2 ++
> >   1 file changed, 2 insertions(+)
> > 
> > diff --git a/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi
> > b/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi
> > index dd5b89b73190..58593348b810 100644
> > --- a/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi
> > +++ b/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi
> > @@ -1185,6 +1185,7 @@
> >   
> 
> Can you please place rx-fifo-depth before power supplies?
Ok, thanks

> 
> after which,
> 
> Reviewed-by: AngeloGioacchino Del Regno <
> angelogioacchino.delregno@collabora.com>
> 
> Thanks,
> Angelo
> 
> >   	vusb33-supply = <&mt6359_vusb_ldo_reg>;
> >   	vbus-supply = <&usb_vbus>;
> > +	rx-fifo-depth = <3>;
> >   };
> >   
> >   &xhci1 {
> > @@ -1192,6 +1193,7 @@
> >   
> >   	vusb33-supply = <&mt6359_vusb_ldo_reg>;
> >   	vbus-supply = <&usb_vbus>;
> > +	rx-fifo-depth = <3>;
> >   };
> >   
> >   &xhci2 {
> 
>
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi b/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi
index dd5b89b73190..58593348b810 100644
--- a/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi
@@ -1185,6 +1185,7 @@ 
 
 	vusb33-supply = <&mt6359_vusb_ldo_reg>;
 	vbus-supply = <&usb_vbus>;
+	rx-fifo-depth = <3>;
 };
 
 &xhci1 {
@@ -1192,6 +1193,7 @@ 
 
 	vusb33-supply = <&mt6359_vusb_ldo_reg>;
 	vbus-supply = <&usb_vbus>;
+	rx-fifo-depth = <3>;
 };
 
 &xhci2 {