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From: "Marek Behún" <kabel@kernel.org>
To: Bjorn Helgaas <helgaas@kernel.org>
Cc: "Thomas Petazzoni" <thomas.petazzoni@bootlin.com>,
	"Bjorn Helgaas" <bhelgaas@google.com>,
	"Lorenzo Pieralisi" <lorenzo.pieralisi@arm.com>,
	linux-pci@vger.kernel.org,
	"Russell King" <linux@arm.linux.org.uk>,
	"Antoine Tenart" <antoine.tenart@bootlin.com>,
	"Gregory Clement" <gregory.clement@bootlin.com>,
	"Maxime Chevallier" <maxime.chevallier@bootlin.com>,
	"Nadav Haklai" <nadavh@marvell.com>,
	"Victor Gu" <xigu@marvell.com>,
	"Miquèl Raynal" <miquel.raynal@bootlin.com>,
	"Zachary Zhang" <zhangzg@marvell.com>,
	"Wilson Ding" <dingwei@marvell.com>,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 3/3] PCI: aardvark: Implement emulated root PCI bridge
Date: Mon, 10 Jan 2022 03:21:27 +0100	[thread overview]
Message-ID: <20220110032127.4ea60dc9@thinkpad> (raw)
In-Reply-To: <20220107212736.GA404447@bhelgaas>

On Fri, 7 Jan 2022 15:27:36 -0600
Bjorn Helgaas <helgaas@kernel.org> wrote:

> On Fri, Jun 29, 2018 at 11:22:31AM +0200, Thomas Petazzoni wrote:
> 
> > +static void advk_sw_pci_bridge_init(struct advk_pcie *pcie)
> > +{
> > +	struct pci_sw_bridge *bridge = &pcie->bridge;  
> 
> > +	/* Support interrupt A for MSI feature */
> > +	bridge->conf.intpin = PCIE_CORE_INT_A_ASSERT_ENABLE;  
> 
> Only 3.5 years later, IIUC, this is the value you get when you read
> PCI_INTERRUPT_PIN, so I think this should be PCI_INTERRUPT_INTA, not
> PCIE_CORE_INT_A_ASSERT_ENABLE.
> 
> Readers expect to get the values defined in the PCI spec, i.e.,
> 
>   PCI_INTERRUPT_UNKNOWN
>   PCI_INTERRUPT_INTA
>   PCI_INTERRUPT_INTB
>   PCI_INTERRUPT_INTC
>   PCI_INTERRUPT_INTD

Hello Bjorn,

now sent v2 of batch 4 of fixes for pci-aardvark, where this is fixed
in the first patch.
  https://lore.kernel.org/linux-pci/20220110015018.26359-1-kabel@kernel.org/
Could you find time to review the series? :-)

Marek

WARNING: multiple messages have this Message-ID (diff)
From: "Marek Behún" <kabel@kernel.org>
To: Bjorn Helgaas <helgaas@kernel.org>
Cc: "Thomas Petazzoni" <thomas.petazzoni@bootlin.com>,
	"Bjorn Helgaas" <bhelgaas@google.com>,
	"Lorenzo Pieralisi" <lorenzo.pieralisi@arm.com>,
	linux-pci@vger.kernel.org,
	"Russell King" <linux@arm.linux.org.uk>,
	"Antoine Tenart" <antoine.tenart@bootlin.com>,
	"Gregory Clement" <gregory.clement@bootlin.com>,
	"Maxime Chevallier" <maxime.chevallier@bootlin.com>,
	"Nadav Haklai" <nadavh@marvell.com>,
	"Victor Gu" <xigu@marvell.com>,
	"Miquèl Raynal" <miquel.raynal@bootlin.com>,
	"Zachary Zhang" <zhangzg@marvell.com>,
	"Wilson Ding" <dingwei@marvell.com>,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 3/3] PCI: aardvark: Implement emulated root PCI bridge
Date: Mon, 10 Jan 2022 03:21:27 +0100	[thread overview]
Message-ID: <20220110032127.4ea60dc9@thinkpad> (raw)
In-Reply-To: <20220107212736.GA404447@bhelgaas>

On Fri, 7 Jan 2022 15:27:36 -0600
Bjorn Helgaas <helgaas@kernel.org> wrote:

> On Fri, Jun 29, 2018 at 11:22:31AM +0200, Thomas Petazzoni wrote:
> 
> > +static void advk_sw_pci_bridge_init(struct advk_pcie *pcie)
> > +{
> > +	struct pci_sw_bridge *bridge = &pcie->bridge;  
> 
> > +	/* Support interrupt A for MSI feature */
> > +	bridge->conf.intpin = PCIE_CORE_INT_A_ASSERT_ENABLE;  
> 
> Only 3.5 years later, IIUC, this is the value you get when you read
> PCI_INTERRUPT_PIN, so I think this should be PCI_INTERRUPT_INTA, not
> PCIE_CORE_INT_A_ASSERT_ENABLE.
> 
> Readers expect to get the values defined in the PCI spec, i.e.,
> 
>   PCI_INTERRUPT_UNKNOWN
>   PCI_INTERRUPT_INTA
>   PCI_INTERRUPT_INTB
>   PCI_INTERRUPT_INTC
>   PCI_INTERRUPT_INTD

Hello Bjorn,

now sent v2 of batch 4 of fixes for pci-aardvark, where this is fixed
in the first patch.
  https://lore.kernel.org/linux-pci/20220110015018.26359-1-kabel@kernel.org/
Could you find time to review the series? :-)

Marek

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http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  parent reply	other threads:[~2022-01-10  2:21 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-06-29  9:22 [PATCH 0/3] PCI: emulated PCI bridge common logic Thomas Petazzoni
2018-06-29  9:22 ` Thomas Petazzoni
2018-06-29  9:22 ` [PATCH 1/3] PCI: Introduce PCI software " Thomas Petazzoni
2018-06-29  9:22   ` Thomas Petazzoni
2018-07-12 19:58   ` Bjorn Helgaas
2018-07-12 19:58     ` Bjorn Helgaas
2018-08-01  8:49     ` Thomas Petazzoni
2018-08-01  8:49       ` Thomas Petazzoni
2018-08-01  9:21       ` Russell King - ARM Linux
2018-08-01  9:21         ` Russell King - ARM Linux
2018-08-01  9:37         ` Thomas Petazzoni
2018-08-01  9:37           ` Thomas Petazzoni
2018-08-01  9:54         ` Thomas Petazzoni
2018-08-01  9:54           ` Thomas Petazzoni
2018-08-01 11:13       ` Thomas Petazzoni
2018-08-01 11:13         ` Thomas Petazzoni
2018-06-29  9:22 ` [PATCH 2/3] PCI: mvebu: Convert to PCI software bridge Thomas Petazzoni
2018-06-29  9:22   ` Thomas Petazzoni
2018-06-29  9:22 ` [PATCH 3/3] PCI: aardvark: Implement emulated root PCI bridge Thomas Petazzoni
2018-06-29  9:22   ` Thomas Petazzoni
2022-01-07 21:27   ` Bjorn Helgaas
2022-01-07 21:27     ` Bjorn Helgaas
2022-01-07 23:17     ` Bjorn Helgaas
2022-01-07 23:17       ` Bjorn Helgaas
2022-01-10  9:17       ` Pali Rohár
2022-01-10  9:17         ` Pali Rohár
2022-01-10  2:21     ` Marek Behún [this message]
2022-01-10  2:21       ` Marek Behún
2018-07-12  9:24 ` [PATCH 0/3] PCI: emulated PCI bridge common logic Thomas Petazzoni
2018-07-12  9:24   ` Thomas Petazzoni

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