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From: Murali Karicheri <m-karicheri2@ti.com>
To: Russell King - ARM Linux <linux@arm.linux.org.uk>
Cc: Rob Herring <robherring2@gmail.com>,
	Grant Likely <grant.likely@linaro.org>,
	Rob Herring <robh+dt@kernel.org>,
	"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>,
	Bjorn Helgaas <bhelgaas@google.com>,
	Arnd Bergmann <arnd@arndb.de>,
	Suravee Suthikulanit <Suravee.Suthikulpanit@amd.com>,
	Will Deacon <will.deacon@arm.com>, Joerg Roedel <joro@8bytes.org>
Subject: Re: [PATCH] pci: of : fix BUG: unable to handle kernel
Date: Wed, 11 Mar 2015 11:28:15 -0400	[thread overview]
Message-ID: <55005F0F.5080302@ti.com> (raw)
In-Reply-To: <20150311124911.GA8656@n2100.arm.linux.org.uk>

On 03/11/2015 08:49 AM, Russell King - ARM Linux wrote:
> On Wed, Mar 11, 2015 at 07:35:45AM -0500, Rob Herring wrote:
>> On Tue, Mar 10, 2015 at 10:25 AM, Murali Karicheri<m-karicheri2@ti.com>  wrote:
>>> On some platforms such as that based on x86, ia64 etc, root bus is
>>> created with parent node passed in as NULL to pci_create_root_bus().
>>> On these platforms, the patch series "PCI: get DMA configuration from
>>> parent device" when applied causes kernel crash. So add a check for this
>>> in of_pci_dma_configure()
>>
>> Wouldn't these arches have OF disabled and call an empty function?
>> Regardless, we still need this.
>>
>>> Signed-off-by: Murali Karicheri<m-karicheri2@ti.com>
>>
>> I'm assuming Bjorn will apply this.
>>
>> Acked-by: Rob Herring<robh@kernel.org>
>
> It might be an idea to read the subject line...
>
> "fix BUG: unable to handle kernel"
Russell,

I will fix the subject as "fix BUG: unable to handle kernel NULL 
pointer" and re-send.

Thanks

Murali
>
> which is meaningless.  It needs a much better subject line before it can
> be committed.
>


-- 
Murali Karicheri
Linux Kernel, Texas Instruments

  reply	other threads:[~2015-03-11 15:28 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-03-10 15:25 Murali Karicheri
2015-03-11 12:35 ` Rob Herring
2015-03-11 12:49   ` Russell King - ARM Linux
2015-03-11 15:28     ` Murali Karicheri [this message]
2015-03-11 15:59       ` Rob Herring
2015-03-11 16:37         ` Murali Karicheri
2015-03-11 20:27         ` Murali Karicheri
2015-03-11 15:25   ` Murali Karicheri

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