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From: shawnguo@kernel.org (Shawn Guo)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v5 3/3] pci:aer: add support aer interrupt with none MSI/MSI-X/INTx mode
Date: Tue, 20 Sep 2016 20:39:26 +0800	[thread overview]
Message-ID: <20160920123926.GA3744@tiger> (raw)
In-Reply-To: <VI1PR0401MB1709F91B0C1EB6C80D741E4492F50@VI1PR0401MB1709.eurprd04.prod.outlook.com>

On Sun, Sep 18, 2016 at 03:37:27AM +0000, Po Liu wrote:
> Hi Shawn,
> 
> 
> >  -----Original Message-----
> >  From: Shawn Guo [mailto:shawnguo at kernel.org]
> >  Sent: Sunday, September 18, 2016 8:52 AM
> >  To: Po Liu
> >  Cc: linux-pci at vger.kernel.org; linux-arm-kernel at lists.infradead.org;
> >  linux-kernel at vger.kernel.org; devicetree at vger.kernel.org; Roy Zang; Arnd
> >  Bergmann; Marc Zyngier; Stuart Yoder; Leo Li; M.H. Lian; Murali
> >  Karicheri; Bjorn Helgaas; Mingkai Hu
> >  Subject: Re: [PATCH v5 3/3] pci:aer: add support aer interrupt with none
> >  MSI/MSI-X/INTx mode
> >  
> >  On Tue, Sep 13, 2016 at 12:40:59PM +0800, Po Liu wrote:
> >  > On some platforms, root port doesn't support MSI/MSI-X/INTx in RC mode.
> >  > When chip support the aer interrupt with none MSI/MSI-X/INTx mode,
> >  > maybe there is interrupt line for aer pme etc. Search the interrupt
> >  > number in the fdt file. Then fixup the dev->irq with it.
> >  >
> >  > Signed-off-by: Po Liu <po.liu@nxp.com>
> >  
> >  Will the new kernel work with existing/old DTB?  I'm trying to
> >  understand the dependency between driver and DTS changes.
> 
> Yes, We've never use name 'intr' before. So we remove it is ok. 
> 'aer' is a dts name for researching it's true interrupt number by kernel. This patch is first time to use name 'aer'. So it must be compatible with existing/old DTB.

Does that mean driver and DTS changes can go through separate trees,
i.e. PCI and arm-soc, without introducing regressions on either tree?
Or does the patch series needs to go in as a whole?

Shawn

  reply	other threads:[~2016-09-20 12:39 UTC|newest]

Thread overview: 58+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-05-26  6:00 [PATCH 2/2] aer: add support aer interrupt with none MSI/MSI-X/INTx mode Po Liu
2016-06-02  3:48 ` Bjorn Helgaas
2016-06-02  5:01   ` Po Liu
2016-06-02 13:55     ` Bjorn Helgaas
2016-06-02 15:37       ` Murali Karicheri
2016-06-03  4:09         ` Bjorn Helgaas
2016-06-03 17:31           ` Murali Karicheri
2016-06-04  3:48             ` Bjorn Helgaas
2016-06-06  7:32               ` Po Liu
2016-06-06 14:01                 ` Murali Karicheri
2016-06-06 18:10                   ` Bjorn Helgaas
2016-06-07 10:07                     ` Po Liu
2016-06-07 22:46                       ` Bjorn Helgaas
2016-06-08  4:56                         ` Po Liu
2016-06-14  6:12 ` [PATCH v2 1/2] nxp/dts: add pcie aer interrupt-name property in the dts Po Liu
2016-06-14  6:12   ` [PATCH v2 2/2] pci/aer: interrupt fixup in the quirk Po Liu
2016-06-16 13:54     ` Bjorn Helgaas
2016-06-17  3:30       ` Po Liu
2016-07-01  8:46       ` Po Liu
2016-06-14  8:24 ` [PATCH v3 1/2] nxp/dts: add pcie aer interrupt-name property in the dts Po Liu
2016-06-14  8:24   ` [PATCH v3 2/2] pci/aer: interrupt fixup in the quirk Po Liu
2016-06-23  5:43     ` Dongdong Liu
2016-07-01  8:40       ` Po Liu
2016-07-04  8:44     ` Dongdong Liu
2016-07-05  3:03       ` Po Liu
2016-07-06  8:38         ` Dongdong Liu
2016-07-29 22:41     ` Bjorn Helgaas
2016-08-22 10:09       ` Po Liu
2016-09-20 20:47         ` Bjorn Helgaas
2016-09-21  6:51           ` Po Liu
2016-09-21 21:53             ` Bjorn Helgaas
2016-08-31  6:37     ` [PATCH v4 1/2] nxp/dts: add pcie aer interrupt-name property in the dts Po Liu
2016-08-31  6:37       ` [PATCH v4 2/2] pci:aer: add support aer interrupt with none MSI/MSI-X/INTx mode Po Liu
2016-09-02 15:17         ` Rob Herring
2016-09-05  6:05           ` Po Liu
2016-09-13  4:40         ` [PATCH v5 1/3] arm/dts: add pcie aer interrupt-name property in the dts Po Liu
2016-09-13  4:40           ` [PATCH v5 2/3] arm64/dts: " Po Liu
2016-09-13  4:40           ` [PATCH v5 3/3] pci:aer: add support aer interrupt with none MSI/MSI-X/INTx mode Po Liu
2016-09-18  0:52             ` Shawn Guo
2016-09-18  3:37               ` Po Liu
2016-09-20 12:39                 ` Shawn Guo [this message]
2016-09-21  6:54                   ` Po Liu
2016-09-30 22:13                     ` Shawn Guo
2016-09-23 13:06                 ` Rob Herring
2016-09-26  8:25                   ` Po Liu
2016-09-21 22:37             ` Bjorn Helgaas
2016-09-22  2:53               ` Po Liu
2016-09-30  9:11             ` [PATCH v6 1/3] arm/dts-ls1021: add pcie aer/pme interrupt-name property in the dts Po Liu
2016-09-30  9:11               ` [PATCH v6 2/3] arm64/dts-ls1043-ls2080: " Po Liu
2016-09-30  9:11               ` [PATCH v6 3/3] pci:add support aer/pme interrupts with none MSI/MSI-X/INTx mode Po Liu
2016-10-08 20:49                 ` Rob Herring
2016-10-09  2:47                   ` Po Liu
2016-09-05  2:25       ` [PATCH v4 1/2] nxp/dts: add pcie aer interrupt-name property in the dts Shawn Guo
2016-09-12 22:13       ` Bjorn Helgaas
2016-09-13  3:02         ` Po Liu
2016-06-16  0:36   ` [PATCH v3 " Shawn Guo
2016-06-16 10:50     ` Po Liu
2016-06-16 22:19   ` Rob Herring

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