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Date: Fri, 2 Feb 2024 14:18:06 +0530
From: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
To: Abel Vesa <abel.vesa@linaro.org>
Cc: Konrad Dybcio <konrad.dybcio@linaro.org>,
	Bjorn Andersson <andersson@kernel.org>,
	Lorenzo Pieralisi <lpieralisi@kernel.org>,
	Krzysztof =?utf-8?Q?Wilczy=C5=84ski?= <kw@linux.com>,
	Rob Herring <robh@kernel.org>, Bjorn Helgaas <bhelgaas@google.com>,
	linux-pci@vger.kernel.org, linux-arm-msm@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 2/2] PCI: qcom: Add X1E80100 PCIe support
Message-ID: <20240202084806.GF2961@thinkpad>
References: <20240129-x1e80100-pci-v2-0-a466d10685b6@linaro.org>
 <20240129-x1e80100-pci-v2-2-a466d10685b6@linaro.org>
 <30360d96-4513-40c4-9646-e3ae09121fa7@linaro.org>
 <Zbyqn5wnH7yCe38P@linaro.org>
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On Fri, Feb 02, 2024 at 10:41:03AM +0200, Abel Vesa wrote:
> On 24-02-01 20:20:40, 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@linaro.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..
> > 
> 
> No worries.
> 
> > But..
> > 
> > Would a "qcom,pcie-v1.9.0" generic match string be a good idea?
> 
> Sure. So that means this would be fallback compatible for all the following platforms:
> 
> - sa8540p
> - sa8775p
> - sc7280
> - sc8180x
> - sc8280xp
> - sdx55
> - sm8150
> - sm8250
> - sm8350
> - sm8450-pcie0
> - sm8450-pcie1
> - sm8550
> - x1e80100
> 
> Will prepare a patchset.
> 

NO. Fallback should be based on the base SoC for this platform.

- Mani

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