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From: Bjorn Helgaas <helgaas@kernel.org>
To: Simon Horman <horms@verge.net.au>
Cc: Phil Edworthy <phil.edworthy@renesas.com>,
	Bjorn Helgaas <bhelgaas@google.com>,
	Wolfram Sang <wsa@the-dreams.de>,
	Geert Uytterhoeven <geert@linux-m68k.org>,
	linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org,
	linux-sh@vger.kernel.org
Subject: Re: [PATCH v2 1/4] PCI: rcar: remove unused pci_sys_data structure in pcie-rcar
Date: Fri, 08 Jan 2016 21:06:35 +0000	[thread overview]
Message-ID: <20160108210635.GL5354@localhost> (raw)
In-Reply-To: <20160108015056.GB9600@verge.net.au>

On Fri, Jan 08, 2016 at 10:50:57AM +0900, Simon Horman wrote:
> Hi Phil,
> 
> On Tue, Jan 05, 2016 at 01:00:28PM +0000, Phil Edworthy wrote:
> > Commit b3a72384fe29 ("ARM/PCI: Replace pci_sys_data->align_resource
> > with global function pointer") removed the struct pci_sys_data
> > dependency from the ARM pcibios functions, so remove it from this
> > driver.
> 
> I am a little confused by this as I still see two instances of
> the following in bios32.c as of the commit above.
> 
> 	struct pci_sys_data *sys = dev->sysdata;

This patch only removes a pci_sys_data struct from pcie-rcar.c.  That
struct was previously used by pci_common_init_dev() and by the ARM
pcibios_align_resource().

After cbce7900598c ("PCI: designware: Make driver arch-agnostic"), none of
the DesignWare drivers use pci_common_init_dev(), and after b3a72384fe29, 
ARM doesn't need pci_sys_data for pcibios_align_resource().

Phil can correct me if I'm wrong, but I think this patch is probably OK.
I guess we can tell after I apply it and get a build test :)

Bjorn

WARNING: multiple messages have this Message-ID (diff)
From: Bjorn Helgaas <helgaas@kernel.org>
To: Simon Horman <horms@verge.net.au>
Cc: Phil Edworthy <phil.edworthy@renesas.com>,
	Bjorn Helgaas <bhelgaas@google.com>,
	Wolfram Sang <wsa@the-dreams.de>,
	Geert Uytterhoeven <geert@linux-m68k.org>,
	linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org,
	linux-sh@vger.kernel.org
Subject: Re: [PATCH v2 1/4] PCI: rcar: remove unused pci_sys_data structure in pcie-rcar
Date: Fri, 8 Jan 2016 15:06:35 -0600	[thread overview]
Message-ID: <20160108210635.GL5354@localhost> (raw)
In-Reply-To: <20160108015056.GB9600@verge.net.au>

On Fri, Jan 08, 2016 at 10:50:57AM +0900, Simon Horman wrote:
> Hi Phil,
> 
> On Tue, Jan 05, 2016 at 01:00:28PM +0000, Phil Edworthy wrote:
> > Commit b3a72384fe29 ("ARM/PCI: Replace pci_sys_data->align_resource
> > with global function pointer") removed the struct pci_sys_data
> > dependency from the ARM pcibios functions, so remove it from this
> > driver.
> 
> I am a little confused by this as I still see two instances of
> the following in bios32.c as of the commit above.
> 
> 	struct pci_sys_data *sys = dev->sysdata;

This patch only removes a pci_sys_data struct from pcie-rcar.c.  That
struct was previously used by pci_common_init_dev() and by the ARM
pcibios_align_resource().

After cbce7900598c ("PCI: designware: Make driver arch-agnostic"), none of
the DesignWare drivers use pci_common_init_dev(), and after b3a72384fe29, 
ARM doesn't need pci_sys_data for pcibios_align_resource().

Phil can correct me if I'm wrong, but I think this patch is probably OK.
I guess we can tell after I apply it and get a build test :)

Bjorn

  reply	other threads:[~2016-01-08 21:06 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-01-05 13:00 [PATCH v2 0/4] Various R-Car PCIe patches Phil Edworthy
2016-01-05 13:00 ` Phil Edworthy
2016-01-05 13:00 ` [PATCH v2 1/4] PCI: rcar: remove unused pci_sys_data structure in pcie-rcar Phil Edworthy
2016-01-05 13:00   ` Phil Edworthy
2016-01-08  1:50   ` Simon Horman
2016-01-08  1:50     ` Simon Horman
2016-01-08 21:06     ` Bjorn Helgaas [this message]
2016-01-08 21:06       ` Bjorn Helgaas
2016-01-11 11:23       ` Phil Edworthy
2016-01-05 13:00 ` [PATCH v2 2/4] PCI: rcar: Support runtime PM link state L1 handling " Phil Edworthy
2016-01-05 13:00   ` Phil Edworthy
2016-01-06  8:35   ` Wolfram Sang
2016-01-06  8:35     ` Wolfram Sang
2016-01-08 21:31   ` Bjorn Helgaas
2016-01-08 21:31     ` Bjorn Helgaas
2016-01-11 11:42     ` Phil Edworthy
2016-01-11 11:42       ` Phil Edworthy
2016-01-13 16:58     ` Phil Edworthy
2016-01-05 13:00 ` [PATCH v2 3/4] PCI: rcar: Add runtime PM support to pcie-rcar Phil Edworthy
2016-01-05 13:00   ` Phil Edworthy
2016-01-06  8:35   ` Wolfram Sang
2016-01-06  8:35     ` Wolfram Sang
2016-01-06  8:45     ` Geert Uytterhoeven
2016-01-06  8:45       ` Geert Uytterhoeven
2016-01-06  8:50       ` Wolfram Sang
2016-01-06  8:50         ` Wolfram Sang
2016-01-05 13:00 ` [PATCH v2 4/4] PCI: rcar: Add Gen2 PHY setup " Phil Edworthy
2016-01-05 13:00   ` Phil Edworthy
2016-01-06  8:39   ` Wolfram Sang
2016-01-06  8:39     ` Wolfram Sang
2016-01-11 14:48 ` [PATCH v2 0/4] Various R-Car PCIe patches Bjorn Helgaas
2016-01-11 14:48   ` Bjorn Helgaas

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