| Message ID | 20211123180636.80558-3-maz@kernel.org |
|---|---|
| State | New |
| Headers | show |
| Series | PCI: apple: Assorted #PERST fixes | expand |
> From: Marc Zyngier <maz@kernel.org> > Date: Tue, 23 Nov 2021 18:06:35 +0000 > > As the name indicates, #PERST is active low. So fix the DT description > to match the HW behaviour. > > Fixes: ff2a8d91d80c ("arm64: apple: Add PCIe node") > Signed-off-by: Marc Zyngier <maz@kernel.org> Reviewed-by: Mark Kettenis <kettenis@openbsd.org> > --- > arch/arm64/boot/dts/apple/t8103.dtsi | 7 ++++--- > 1 file changed, 4 insertions(+), 3 deletions(-) > > diff --git a/arch/arm64/boot/dts/apple/t8103.dtsi b/arch/arm64/boot/dts/apple/t8103.dtsi > index fc8b2bb06ffe..e22c9433d5e0 100644 > --- a/arch/arm64/boot/dts/apple/t8103.dtsi > +++ b/arch/arm64/boot/dts/apple/t8103.dtsi > @@ -7,6 +7,7 @@ > * Copyright The Asahi Linux Contributors > */ > > +#include <dt-bindings/gpio/gpio.h> > #include <dt-bindings/interrupt-controller/apple-aic.h> > #include <dt-bindings/interrupt-controller/irq.h> > #include <dt-bindings/pinctrl/apple.h> > @@ -281,7 +282,7 @@ pcie0: pcie@690000000 { > port00: pci@0,0 { > device_type = "pci"; > reg = <0x0 0x0 0x0 0x0 0x0>; > - reset-gpios = <&pinctrl_ap 152 0>; > + reset-gpios = <&pinctrl_ap 152 GPIO_ACTIVE_LOW>; > max-link-speed = <2>; > > #address-cells = <3>; > @@ -301,7 +302,7 @@ port00: pci@0,0 { > port01: pci@1,0 { > device_type = "pci"; > reg = <0x800 0x0 0x0 0x0 0x0>; > - reset-gpios = <&pinctrl_ap 153 0>; > + reset-gpios = <&pinctrl_ap 153 GPIO_ACTIVE_LOW>; > max-link-speed = <2>; > > #address-cells = <3>; > @@ -321,7 +322,7 @@ port01: pci@1,0 { > port02: pci@2,0 { > device_type = "pci"; > reg = <0x1000 0x0 0x0 0x0 0x0>; > - reset-gpios = <&pinctrl_ap 33 0>; > + reset-gpios = <&pinctrl_ap 33 GPIO_ACTIVE_LOW>; > max-link-speed = <1>; > > #address-cells = <3>; > -- > 2.30.2 > >
Hi, On 23/11/21 19:06, Marc Zyngier wrote: > As the name indicates, #PERST is active low. So fix the DT description > to match the HW behaviour. > > Fixes: ff2a8d91d80c ("arm64: apple: Add PCIe node") > Signed-off-by: Marc Zyngier <maz@kernel.org> Reviewed-by: Luca Ceresoli <luca@lucaceresoli.net>
On Wed, Nov 24, 2021 at 10:17 AM Luca Ceresoli <luca@lucaceresoli.net> wrote: > On 23/11/21 19:06, Marc Zyngier wrote: > > As the name indicates, #PERST is active low. So fix the DT description > > to match the HW behaviour. > > > > Fixes: ff2a8d91d80c ("arm64: apple: Add PCIe node") > > Signed-off-by: Marc Zyngier <maz@kernel.org> > > Reviewed-by: Luca Ceresoli <luca@lucaceresoli.net> Acked-by: Arnd Bergmann <arnd@arndb.de> If the driver changes are not yet forwarded to Linus, feel free to add this one as well. Otherwise please send it to Hector Martin so he can add it to the other Apple DT fixes for 5.16. Arnd
diff --git a/arch/arm64/boot/dts/apple/t8103.dtsi b/arch/arm64/boot/dts/apple/t8103.dtsi index fc8b2bb06ffe..e22c9433d5e0 100644 --- a/arch/arm64/boot/dts/apple/t8103.dtsi +++ b/arch/arm64/boot/dts/apple/t8103.dtsi @@ -7,6 +7,7 @@ * Copyright The Asahi Linux Contributors */ +#include <dt-bindings/gpio/gpio.h> #include <dt-bindings/interrupt-controller/apple-aic.h> #include <dt-bindings/interrupt-controller/irq.h> #include <dt-bindings/pinctrl/apple.h> @@ -281,7 +282,7 @@ pcie0: pcie@690000000 { port00: pci@0,0 { device_type = "pci"; reg = <0x0 0x0 0x0 0x0 0x0>; - reset-gpios = <&pinctrl_ap 152 0>; + reset-gpios = <&pinctrl_ap 152 GPIO_ACTIVE_LOW>; max-link-speed = <2>; #address-cells = <3>; @@ -301,7 +302,7 @@ port00: pci@0,0 { port01: pci@1,0 { device_type = "pci"; reg = <0x800 0x0 0x0 0x0 0x0>; - reset-gpios = <&pinctrl_ap 153 0>; + reset-gpios = <&pinctrl_ap 153 GPIO_ACTIVE_LOW>; max-link-speed = <2>; #address-cells = <3>; @@ -321,7 +322,7 @@ port01: pci@1,0 { port02: pci@2,0 { device_type = "pci"; reg = <0x1000 0x0 0x0 0x0 0x0>; - reset-gpios = <&pinctrl_ap 33 0>; + reset-gpios = <&pinctrl_ap 33 GPIO_ACTIVE_LOW>; max-link-speed = <1>; #address-cells = <3>;
As the name indicates, #PERST is active low. So fix the DT description to match the HW behaviour. Fixes: ff2a8d91d80c ("arm64: apple: Add PCIe node") Signed-off-by: Marc Zyngier <maz@kernel.org> --- arch/arm64/boot/dts/apple/t8103.dtsi | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-)