From: Kishon Vijay Abraham I <kishon@ti.com>
To: Mohit KUMAR DCG <Mohit.KUMAR@st.com>,
"jg1.han@samsung.com" <jg1.han@samsung.com>
Cc: Ajay KHANDELWAL <ajay.khandelwal@st.com>,
Bjorn Helgaas <bhelgass@google.com>,
spear-devel <spear-devel@list.st.com>,
"linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>
Subject: Re: [PATCH 2/2] PCI:designware:Fix iATU programming for cfg1, io and mem viewport
Date: Thu, 20 Feb 2014 17:43:08 +0530 [thread overview]
Message-ID: <5305F154.8020507@ti.com> (raw)
In-Reply-To: <2CC2A0A4A178534D93D5159BF3BCB66189FD40D8B3@EAPEX1MAIL1.st.com>
Hi Mohit,
On Thursday 20 February 2014 05:28 PM, Mohit KUMAR DCG wrote:
> Hello Kishon,
>
>> -----Original Message-----
>> From: Kishon Vijay Abraham I [mailto:kishon@ti.com]
>> Sent: Thursday, February 20, 2014 5:08 PM
>> To: Mohit KUMAR DCG; jg1.han@samsung.com
>> Cc: Ajay KHANDELWAL; Bjorn Helgaas; spear-devel; linux-
>> pci@vger.kernel.org
>> Subject: Re: [PATCH 2/2] PCI:designware:Fix iATU programming for cfg1, io
>> and mem viewport
>>
>> Hi,
>>
>> On Thursday 20 February 2014 10:52 AM, Mohit Kumar wrote:
>>> This patch correct iATU programming for cfg1, io and mem viewport.
>>> Enable ATU only after configuring it.
>>
>> Does this patch actually fixes device enumeration behind a PCIe-pci bridge or
>> this is more of cleaning up the sequence?
>>
> - This patch corrects ATU programming sequence. I am not aware of any such issue with
> current driver. Pls specify which bridge do you use in your setup and what is the problem?
I tried with card [1], it had a PLX bridge chip. It couldn't read the
configuration space of the device connected to the PCIe-PCI bridge.
Thanks
Kishon
[1] -> http://ratetorate.in/products/Wiretech-PCIe%252dto%252dPCI-Bridge-Card.
>
> Regards
> Mohit
>
next prev parent reply other threads:[~2014-02-20 12:13 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-20 5:22 [PATCH 1/2] PCI:designware:Fix comment for setting number of lanes Mohit Kumar
2014-02-20 5:22 ` [PATCH 2/2] PCI:designware:Fix iATU programming for cfg1, io and mem viewport Mohit Kumar
2014-02-20 6:45 ` Mohit KUMAR DCG
2014-02-20 11:38 ` Kishon Vijay Abraham I
2014-02-20 11:58 ` Mohit KUMAR DCG
2014-02-20 12:13 ` Kishon Vijay Abraham I [this message]
2014-02-20 13:33 ` Mohit KUMAR DCG
2014-02-21 3:54 ` Pratyush Anand
2014-02-20 6:56 ` [PATCH 1/2] PCI:designware:Fix comment for setting number of lanes Rajeev kumar
2014-02-20 8:29 ` Mohit KUMAR DCG
-- strict thread matches above, loose matches on Subject: below --
2014-02-21 1:31 [PATCH 2/2] PCI:designware:Fix iATU programming for cfg1, io and mem viewport Jingoo Han
2014-02-21 5:28 ` Kishon Vijay Abraham I
2014-02-26 6:31 ` Ajay Khandelwal
2014-02-26 7:47 ` Kishon Vijay Abraham I
2014-02-26 10:52 ` Pratyush Anand
2014-02-27 1:18 ` Jingoo Han
2014-02-27 1:37 ` Jingoo Han
2014-02-27 4:10 ` Pratyush Anand
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