Re: [PATCH] arm64: Relocate screen_info.lfb_base on PCI BAR allocation

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From: Alexander Graf <agraf@suse.de>
To: Bjorn Helgaas <helgaas@kernel.org>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"linux-arm-kernel@lists.infradead.org" 
	<linux-arm-kernel@lists.infradead.org>,
	linux-pci@vger.kernel.org,
	Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Subject: Re: [PATCH] arm64: Relocate screen_info.lfb_base on PCI BAR allocation
Date: Sat, 30 Apr 2016 00:03:55 +0200	[thread overview]
Message-ID: <5723DA4B.5010501@suse.de> (raw)
In-Reply-To: <5723D7AF.3080108@suse.de>



On 29.04.16 23:52, Alexander Graf wrote:
> 
> 
> On 29.04.16 23:37, Bjorn Helgaas wrote:
>
> Can you point me to the code that does "read[ing] the BARs"? So far my
> impression was that we don't even try to read out the current BAR values
> from pci config space, but I can't claim I fully grasp the Linux pci
> code quite yet.

I should've probably read Lorenzos email more closely before - it
contains the pointer.


Alex

WARNING: multiple messages have this Message-ID (diff)

From: agraf@suse.de (Alexander Graf)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] arm64: Relocate screen_info.lfb_base on PCI BAR allocation
Date: Sat, 30 Apr 2016 00:03:55 +0200	[thread overview]
Message-ID: <5723DA4B.5010501@suse.de> (raw)
In-Reply-To: <5723D7AF.3080108@suse.de>



On 29.04.16 23:52, Alexander Graf wrote:
> 
> 
> On 29.04.16 23:37, Bjorn Helgaas wrote:
>
> Can you point me to the code that does "read[ing] the BARs"? So far my
> impression was that we don't even try to read out the current BAR values
> from pci config space, but I can't claim I fully grasp the Linux pci
> code quite yet.

I should've probably read Lorenzos email more closely before - it
contains the pointer.


Alex

next prev parent reply	other threads:[~2016-04-29 22:03 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-04-27 22:22 [PATCH] arm64: Relocate screen_info.lfb_base on PCI BAR allocation Alexander Graf
2016-04-27 22:22 ` Alexander Graf
2016-04-28 16:20 ` Bjorn Helgaas
2016-04-28 16:20   ` Bjorn Helgaas
2016-04-28 16:41   ` Alexander Graf
2016-04-28 16:41     ` Alexander Graf
2016-04-28 18:06     ` Bjorn Helgaas
2016-04-28 18:06       ` Bjorn Helgaas
2016-04-28 21:39       ` Alexander Graf
2016-04-28 21:39         ` Alexander Graf
2016-04-29 10:03         ` Lorenzo Pieralisi
2016-04-29 10:03           ` Lorenzo Pieralisi
2016-04-29 13:41         ` Bjorn Helgaas
2016-04-29 13:41           ` Bjorn Helgaas
2016-04-29 13:51           ` Ard Biesheuvel
2016-04-29 13:51             ` Ard Biesheuvel
2016-04-29 13:51             ` Ard Biesheuvel
2016-04-29 20:06             ` Bjorn Helgaas
2016-04-29 20:06               ` Bjorn Helgaas
2016-04-29 20:06               ` Bjorn Helgaas
2016-04-29 20:25               ` Ard Biesheuvel
2016-04-29 20:25                 ` Ard Biesheuvel
2016-04-29 20:25                 ` Ard Biesheuvel
2016-04-29 20:51                 ` Alexander Graf
2016-04-29 20:51                   ` Alexander Graf
2016-04-29 20:51                   ` Alexander Graf
2016-04-29 21:37                   ` Bjorn Helgaas
2016-04-29 21:37                     ` Bjorn Helgaas
2016-04-29 21:37                     ` Bjorn Helgaas
2016-04-29 21:52                     ` Alexander Graf
2016-04-29 21:52                       ` Alexander Graf
2016-04-29 21:52                       ` Alexander Graf
2016-04-29 22:03                       ` Alexander Graf [this message]
2016-04-29 22:03                         ` Alexander Graf
2016-04-29 22:03                         ` Alexander Graf
2016-04-29 23:31                       ` Bjorn Helgaas
2016-04-29 23:31                         ` Bjorn Helgaas
2016-04-29 23:31                         ` Bjorn Helgaas
2016-04-30 21:17                         ` Matt Fleming
2016-04-30 21:17                           ` Matt Fleming
2016-04-30 21:17                           ` Matt Fleming
2016-04-29 21:20                 ` Bjorn Helgaas
2016-04-29 21:20                   ` Bjorn Helgaas
2016-04-29 21:20                   ` Bjorn Helgaas

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