linux-kernel - Re: [PATCH] i.MX6 PCIe: Fix imx6_pcie_deassert_core

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Message-ID: <CAJ+vNU2Sg1ZKBsGcQswrJZyTJ1WBEZor3ZqpoYUT7i9FKjEAog@mail.gmail.com>
Date:	Mon, 28 Mar 2016 12:59:45 -0700
From:	Tim Harvey <tharvey@...eworks.com>
To:	Fabio Estevam <festevam@...il.com>
Cc:	Krzysztof Hałasa <khalasa@...p.pl>,
	Lucas Stach <l.stach@...gutronix.de>,
	Petr Štetiar <ynezz@...e.cz>,
	Richard Zhu <Richard.Zhu@...escale.com>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] i.MX6 PCIe: Fix imx6_pcie_deassert_core_reset() polarity

On Sun, Mar 27, 2016 at 5:26 PM, Fabio Estevam <festevam@...il.com> wrote:
> On Sun, Mar 27, 2016 at 11:44 AM, Fabio Estevam <festevam@...il.com> wrote:
>
>> Good catch!
>>
>> Reviewed-by: Fabio Estevam <fabio.estevam@....com>
>>
>> I will fix imx6q-sabresd.dtsi when this patch gets applied.
>
> After thinking more about it, I think the correct fix is to revert
> 5c5fb40de8f143 ("PCI: imx6: Add support for active-low reset GPIO") so
> that we do not break old dtb's.
>
> Then a new dt property can be added if someone needs gpio active high PCI reset.
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Fabio,

I would agree with you on this - 5c5fb40de8f143 ("PCI: imx6: Add
support for active-low reset GPIO")  should be reverted.

I just finished bisecting an issue to this specific patch only to find
out Krzysztof found it a few days ago ;) Thanks Krzysztof.

Tim