Messages in this thread | | | Date | Tue, 22 Feb 2022 18:24:15 +0100 | From | Marek Behún <> | Subject | Re: [PATCH 3/6] dt-bindings: Add 'slot-power-limit-milliwatt' PCIe port property |
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On Tue, 22 Feb 2022 17:31:55 +0100 Pali Rohár <pali@kernel.org> wrote:
> This property specifies slot power limit in mW unit. It is a form-factor > and board specific value and must be initialized by hardware. > > Some PCIe controllers delegate this work to software to allow hardware > flexibility and therefore this property basically specifies what should > host bridge program into PCIe Slot Capabilities registers. > > The property needs to be specified in mW unit instead of the special format > defined by Slot Capabilities (which encodes scaling factor or different > unit). Host drivers should convert the value from mW to needed format. > > Signed-off-by: Pali Rohár <pali@kernel.org> > Signed-off-by: Marek Behún <kabel@kernel.org>
This patch is not needed, the property already is described in dtschema.
Marek
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