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From: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
To: Frank Li <Frank.li@nxp.com>
Cc: tglx@linutronix.de, aisheng.dong@nxp.com, bhelgaas@google.com,
	devicetree@vger.kernel.org, festevam@gmail.com,
	imx@lists.linux.dev, jdmason@kudzu.us, kernel@pengutronix.de,
	kishon@ti.com, krzysztof.kozlowski+dt@linaro.org, kw@linux.com,
	linux-arm-kernel@lists.infradead.org, linux-imx@nxp.com,
	linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org,
	lorenzo.pieralisi@arm.com, lpieralisi@kernel.org, maz@kernel.org,
	ntb@lists.linux.dev, peng.fan@nxp.com, robh+dt@kernel.org,
	s.hauer@pengutronix.de, shawnguo@kernel.org
Subject: Re: [PATCH 1/3] PCI: endpoint: Add RC-to-EP doorbell support using platform MSI controller
Date: Wed, 6 Sep 2023 20:57:04 +0530	[thread overview]
Message-ID: <20230906152704.GD5930@thinkpad> (raw)
In-Reply-To: <ZPiT/LJGpNbCRDZk@lizhi-Precision-Tower-5810>

On Wed, Sep 06, 2023 at 11:00:12AM -0400, Frank Li wrote:
> On Wed, Sep 06, 2023 at 08:22:27PM +0530, Manivannan Sadhasivam wrote:
> > > > 
> > > > Can't you assign it in the EPF driver itself? I do not want any OF reference in
> > > > the EPF core since it has no OF support.
> > > 
> > > If that, Each EPF driver need do duplicate work. 
> > > 
> > 
> > Yes, and that's how it should be. EPF core has no job in supplying the of_node.
> > It is the responsibility of the EPF drivers as they depend on OF for platform
> > support.
> 
> EPF driver still not depend on OF. such pci-epf-test, which was probed by
> configfs.
> 

Hmm, yeah. Then it should be part of the EPC driver.

Sorry for the confusion.

- Mani

> Frank 
> 
> > 
> > - Mani
> > 
> > > IMS will support per-device MSI domain, then we can implement customized
> > > MSI irq allocated. But so far, it is simplest solution, we can update it
> > > after IMS implementation at kernel. Only one place need be changed.
> > > 
> > மணிவண்ணன் சதாசிவம்

-- 
மணிவண்ணன் சதாசிவம்

WARNING: multiple messages have this Message-ID (diff)
From: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
To: Frank Li <Frank.li@nxp.com>
Cc: tglx@linutronix.de, aisheng.dong@nxp.com, bhelgaas@google.com,
	devicetree@vger.kernel.org, festevam@gmail.com,
	imx@lists.linux.dev, jdmason@kudzu.us, kernel@pengutronix.de,
	kishon@ti.com, krzysztof.kozlowski+dt@linaro.org, kw@linux.com,
	linux-arm-kernel@lists.infradead.org, linux-imx@nxp.com,
	linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org,
	lorenzo.pieralisi@arm.com, lpieralisi@kernel.org, maz@kernel.org,
	ntb@lists.linux.dev, peng.fan@nxp.com, robh+dt@kernel.org,
	s.hauer@pengutronix.de, shawnguo@kernel.org
Subject: Re: [PATCH 1/3] PCI: endpoint: Add RC-to-EP doorbell support using platform MSI controller
Date: Wed, 6 Sep 2023 20:57:04 +0530	[thread overview]
Message-ID: <20230906152704.GD5930@thinkpad> (raw)
In-Reply-To: <ZPiT/LJGpNbCRDZk@lizhi-Precision-Tower-5810>

On Wed, Sep 06, 2023 at 11:00:12AM -0400, Frank Li wrote:
> On Wed, Sep 06, 2023 at 08:22:27PM +0530, Manivannan Sadhasivam wrote:
> > > > 
> > > > Can't you assign it in the EPF driver itself? I do not want any OF reference in
> > > > the EPF core since it has no OF support.
> > > 
> > > If that, Each EPF driver need do duplicate work. 
> > > 
> > 
> > Yes, and that's how it should be. EPF core has no job in supplying the of_node.
> > It is the responsibility of the EPF drivers as they depend on OF for platform
> > support.
> 
> EPF driver still not depend on OF. such pci-epf-test, which was probed by
> configfs.
> 

Hmm, yeah. Then it should be part of the EPC driver.

Sorry for the confusion.

- Mani

> Frank 
> 
> > 
> > - Mani
> > 
> > > IMS will support per-device MSI domain, then we can implement customized
> > > MSI irq allocated. But so far, it is simplest solution, we can update it
> > > after IMS implementation at kernel. Only one place need be changed.
> > > 
> > மணிவண்ணன் சதாசிவம்

-- 
மணிவண்ணன் சதாசிவம்

_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  reply	other threads:[~2023-09-06 15:27 UTC|newest]

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-04-26 20:34 [PATCH 0/3] Add RC-to-EP doorbell with platform MSI controller Frank Li
2023-04-26 20:34 ` Frank Li
2023-04-26 20:34 ` [PATCH 1/3] PCI: endpoint: Add RC-to-EP doorbell support using " Frank Li
2023-04-26 20:34   ` Frank Li
2023-09-02  4:52   ` Manivannan Sadhasivam
2023-09-02  4:52     ` Manivannan Sadhasivam
2023-09-02  4:53     ` Manivannan Sadhasivam
2023-09-02  4:53       ` Manivannan Sadhasivam
2023-09-06  4:24       ` Frank Li
2023-09-06  4:24         ` Frank Li
2023-09-06 12:26         ` Manivannan Sadhasivam
2023-09-06 12:26           ` Manivannan Sadhasivam
2023-09-06 14:33           ` Frank Li
2023-09-06 14:33             ` Frank Li
2023-09-06 14:52             ` Manivannan Sadhasivam
2023-09-06 14:52               ` Manivannan Sadhasivam
2023-09-06 15:00               ` Frank Li
2023-09-06 15:00                 ` Frank Li
2023-09-06 15:27                 ` Manivannan Sadhasivam [this message]
2023-09-06 15:27                   ` Manivannan Sadhasivam
2023-09-06 15:36                   ` Frank Li
2023-09-06 15:36                     ` Frank Li
2023-04-26 20:34 ` [PATCH 2/3] misc: pci_endpoint_test: Add doorbell test case Frank Li
2023-04-26 20:34   ` Frank Li
2023-09-02  5:11   ` Manivannan Sadhasivam
2023-09-02  5:11     ` Manivannan Sadhasivam
2023-04-26 20:34 ` [PATCH 3/3] tools: PCI: Add 'B' option for test doorbell Frank Li
2023-04-26 20:34   ` Frank Li
2023-05-12 14:45 ` [PATCH 0/3] Add RC-to-EP doorbell with platform MSI controller Frank Li
2023-06-12 16:17   ` Frank Li
2023-06-12 16:17     ` Frank Li
2023-07-17 14:06     ` Frank Li
2023-07-17 14:06       ` Frank Li
2023-08-24 19:01       ` Frank Li
2023-08-24 19:01         ` Frank Li
2023-08-25  8:34         ` Manivannan Sadhasivam
2023-08-25  8:34           ` Manivannan Sadhasivam
2023-08-30  7:36 ` Li Chen
2023-08-30  7:36   ` Li Chen
2023-08-30 18:27   ` Frank Li
2023-08-30 18:27     ` Frank Li

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