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Re: [PATCH v3 2/3] PCI: imx6: Implement reset sequence for i.MX6+

From Gary Bisson <gary.bisson@boundarydevices.com>
Newsgroups linux.kernel
Subject Re: [PATCH v3 2/3] PCI: imx6: Implement reset sequence for i.MX6+
Date 2016-04-29 15:00 +0200
Message-ID <rtgbv-69i-5@gated-at.bofh.it> (permalink)
References <rq2y6-1Fp-17@gated-at.bofh.it> <rq2y7-1Fp-31@gated-at.bofh.it> <rt5J8-5ZA-9@gated-at.bofh.it>
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Hi all,

On Fri, Apr 29, 2016 at 3:47 AM, Fabio Estevam <festevam@gmail.com> wrote:
> On Wed, Apr 20, 2016 at 12:45 PM, Andrey Smirnov
> <andrew.smirnov@gmail.com> wrote:
>> I.MX6+ has a dedicated bit for reseting PCIe core, which should be used
>> instead of a regular reset sequence since using the latter will hang the
>> SoC.
>>
>> This commit is based on c34068d48273e24d392d9a49a38be807954420ed from
>> http://git.freescale.com/git/cgit.cgi/imx/linux-2.6-imx.git
>>
>> Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
>
> Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>

Tested on a Nitrogen6QP_MAX with an Intel WiFi Link 5300 PCIe card.
Everything is working properly (Gen1 speed).
# lspci
00:00.0 Class 0604: 16c3:abcd
01:00.0 Class 0280: 8086:4235

Tested-by: Gary Bisson <gary.bisson@boundarydevices.com>

Thanks,
Gary

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Re: [PATCH v3 2/3] PCI: imx6: Implement reset sequence for i.MX6+ Gary Bisson <gary.bisson@boundarydevices.com> - 2016-04-29 15:00 +0200

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