linux-kernel - Re: [PATCH v2 2/2] PCI: qcom: Add X1E80100 PCIe support

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Date: Fri, 2 Feb 2024 14:11:57 +0530
From: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
To: neil.armstrong@...aro.org
Cc: Konrad Dybcio <konrad.dybcio@...aro.org>,
	Abel Vesa <abel.vesa@...aro.org>,
	Bjorn Andersson <andersson@...nel.org>,
	Lorenzo Pieralisi <lpieralisi@...nel.org>,
	Krzysztof Wilczyński <kw@...ux.com>,
	Rob Herring <robh@...nel.org>, Bjorn Helgaas <bhelgaas@...gle.com>,
	linux-pci@...r.kernel.org, linux-arm-msm@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 2/2] PCI: qcom: Add X1E80100 PCIe support

On Fri, Feb 02, 2024 at 09:13:25AM +0100, neil.armstrong@...aro.org wrote:
> On 01/02/2024 20:20, Konrad Dybcio wrote:
> > On 29.01.2024 12:10, Abel Vesa wrote:
> > > Add the compatible and the driver data for X1E80100.
> > > 
> > > Signed-off-by: Abel Vesa <abel.vesa@...aro.org>
> > > ---
> > >   drivers/pci/controller/dwc/pcie-qcom.c | 1 +
> > >   1 file changed, 1 insertion(+)
> > > 
> > > diff --git a/drivers/pci/controller/dwc/pcie-qcom.c b/drivers/pci/controller/dwc/pcie-qcom.c
> > > index 10f2d0bb86be..2a6000e457bc 100644
> > > --- a/drivers/pci/controller/dwc/pcie-qcom.c
> > > +++ b/drivers/pci/controller/dwc/pcie-qcom.c
> > > @@ -1642,6 +1642,7 @@ static const struct of_device_id qcom_pcie_match[] = {
> > >   	{ .compatible = "qcom,pcie-sm8450-pcie0", .data = &cfg_1_9_0 },
> > >   	{ .compatible = "qcom,pcie-sm8450-pcie1", .data = &cfg_1_9_0 },
> > >   	{ .compatible = "qcom,pcie-sm8550", .data = &cfg_1_9_0 },
> > > +	{ .compatible = "qcom,pcie-x1e80100", .data = &cfg_1_9_0 },
> > 
> > I swear I'm not delaying everything related to x1 on purpose..
> > 
> > But..
> > 
> > Would a "qcom,pcie-v1.9.0" generic match string be a good idea?
> 
> Yes as fallback, this is why I used qcom,pcie-sm8550 as fallback for SM8650.
> 

Right. Fallback should be used here also.

- Mani

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