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From: Stanimir Varbanov <svarbanov@mm-sol.com>
To: Marc Gonzalez <marc.w.gonzalez@free.fr>,
	Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: Jeffrey Hugo <jhugo@codeaurora.org>,
	Vivek Gautam <vivek.gautam@codeaurora.org>,
	Manu Gautam <mgautam@codeaurora.org>,
	Evan Green <evgreen@chromium.org>,
	Douglas Anderson <dianders@chromium.org>,
	Robin Murphy <robin.murphy@arm.com>,
	Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
	Joerg Roedel <joro@8bytes.org>,
	Stanimir Varbanov <stanimir.varbanov@linaro.org>,
	Srinivas Kandagatla <srinivas.kandagatla@linaro.org>,
	Bjorn Helgaas <bhelgaas@google.com>,
	MSM <linux-arm-msm@vger.kernel.org>,
	PCI <linux-pci@vger.kernel.org>,
	iommu <iommu@lists.linux-foundation.org>
Subject: Re: [PATCH v1 3/3] arm64: dts: qcom: msm8998: Add PCIe PHY and RC nodes
Date: Thu, 11 Apr 2019 12:09:37 +0300	[thread overview]
Message-ID: <8ada0472-0692-2f03-b52f-c1702bb0c33d@mm-sol.com> (raw)
Message-ID: <20190411090937.DH9c1B_ktUY80EPZWMObEkw_qx6zFYQFgU2BdGp2EOc@z> (raw)
In-Reply-To: <8ee2ca1b-2a0d-0c98-f770-a47b5b529295@free.fr>

Hi Marc,

On 4/11/19 11:44 AM, Marc Gonzalez wrote:
> On 10/04/2019 17:32, Stanimir Varbanov wrote:
> 
>> Few comments inline.
> 
> I'll send v3.
> 
> Changes:
> 	- Move all X-names props *after* corresponding X(s) prop
> 	- Drop comments
> 
> 
>>> +			iommu-map = <0x100 &anoc1_smmu 0x1480 1>;
>>
>> iommu-map-mask? It is optional but I had to ask :)
> 
> The only RID in the system is 0x100.
> 
> # lspci
> 00:00.0 PCI bridge: Qualcomm Device 0105
> 01:00.0 Ethernet controller: Qualcomm Atheros AR8151 v2.0 Gigabit Ethernet (rev c0)
> 
> Since we just want to map 0x100, we don't need an iommu-map-mask.

Do you see warnings during boot about missing property?

> 
> 
>>> +			/* PCIe Fundamental Reset */
>>
>> this comment is useless :) please drop it
> 
> IMO, "perst" is a poor name. Can you guess what it stands for?

The name is got from PCIE base specification. See 6.6.1.
Conventional Reset from "PCI EXPRESS BASE SPECIFICATION, REV. 3.0"

-- 
regards,
Stan

  parent reply	other threads:[~2019-04-11  9:09 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-03-28 16:59 [PATCH v1 0/3] PCIe and AR8151 on APQ8098/MSM8998 Marc Gonzalez
     [not found] ` <5eedbe6d-f440-1a77-8a7e-81a920e3a0e7-GANU6spQydw@public.gmane.org>
2019-03-28 17:01   ` [PATCH v1 1/3] PCI: qcom: Setup PCIE20_PARF_BDF_TRANSLATE_N Marc Gonzalez
     [not found]     ` <958ae127-3aa2-6824-c875-e3012644ed3d-GANU6spQydw@public.gmane.org>
2019-04-02  8:08       ` Stanimir Varbanov via iommu
     [not found]         ` <58b4db00-a0fa-5058-99ee-c11c8e2fa529-NEYub+7Iv8PQT0dZR+AlfA@public.gmane.org>
2019-04-02 10:44           ` Marc Gonzalez
2019-03-28 17:05   ` [PATCH v1 2/3] arm64: dts: qcom: msm8998: Add PCIe SMMU node Marc Gonzalez
     [not found]     ` <82ab78ee-4a38-4eee-f064-272b6f964f17-GANU6spQydw@public.gmane.org>
2019-03-29 10:51       ` Marc Gonzalez
     [not found]         ` <e7c8137a-2408-a71a-f722-199a86a75d13-GANU6spQydw@public.gmane.org>
2019-03-29 18:29           ` Robin Murphy
     [not found]             ` <5aa56120-b686-194b-36d6-8177b5749a19-5wv7dgnIgG8@public.gmane.org>
2019-03-29 19:42               ` Jeffrey Hugo
2019-03-30 14:18               ` Vivek Gautam
     [not found]                 ` <CAFp+6iHOwW5jJmdVWo-E7154xk2jpR4ZLRoXEJdPwu8_ZJg14Q-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2019-04-02 13:54                   ` Robin Murphy
     [not found]                     ` <e6d2200d-f6b9-3c27-f166-537742b32bfe-5wv7dgnIgG8@public.gmane.org>
2019-04-03  9:26                       ` Vivek Gautam
2019-03-28 17:06   ` [PATCH v1 3/3] arm64: dts: qcom: msm8998: Add PCIe PHY and RC nodes Marc Gonzalez
     [not found]     ` <186f7ca2-84e2-a37e-79e6-f1fec8e25374-GANU6spQydw@public.gmane.org>
2019-04-04 10:01       ` Marc Gonzalez
2019-04-10 15:32       ` Stanimir Varbanov via iommu
2019-04-10 15:32         ` Stanimir Varbanov
     [not found]         ` <3f32cfb9-6528-9f5e-85db-cee89fdcfc5d-NEYub+7Iv8PQT0dZR+AlfA@public.gmane.org>
2019-04-11  8:44           ` Marc Gonzalez
2019-04-11  8:44             ` Marc Gonzalez
     [not found]             ` <8ee2ca1b-2a0d-0c98-f770-a47b5b529295-GANU6spQydw@public.gmane.org>
2019-04-11  9:09               ` Stanimir Varbanov via iommu [this message]
2019-04-11  9:09                 ` Stanimir Varbanov
     [not found]                 ` <8ada0472-0692-2f03-b52f-c1702bb0c33d-NEYub+7Iv8PQT0dZR+AlfA@public.gmane.org>
2019-04-11  9:38                   ` Marc Gonzalez
2019-04-11  9:38                     ` Marc Gonzalez
2019-06-11 15:55 ` [PATCH v1 0/3] PCIe and AR8151 on APQ8098/MSM8998 Lorenzo Pieralisi
2019-06-11 16:30   ` Marc Gonzalez

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