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From: "Petr Štetiar" <ynezz@true.cz>
To: Fabio Estevam <festevam@gmail.com>
Cc: "Petr Štetiar" <ynezz@true.cz>,
	"Tim Harvey" <tharvey@gateworks.com>,
	"Bjorn Helgaas" <bhelgaas@google.com>,
	"Lucas Stach" <l.stach@pengutronix.de>,
	"Richard Zhu" <Richard.Zhu@freescale.com>,
	"Krzysztof Hałasa" <khalasa@piap.pl>,
	"linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>,
	"Fabio Estevam" <fabio.estevam@nxp.com>,
	stable <stable@vger.kernel.org>
Subject: Re: [PATCH v2] Revert "PCI: imx6: Add support for active-low reset GPIO"
Date: Wed, 30 Mar 2016 15:16:39 +0200	[thread overview]
Message-ID: <20160330131639.GO20367@ibawizard.net> (raw)
In-Reply-To: <CAOMZO5BNteOTj+m3h6y83wa25yqz7pb3c1osJbxrea+8B=se3Q@mail.gmail.com>

Fabio Estevam <festevam@gmail.com> [2016-03-30 10:07:16]:

> If we apply Krzysztof's patch then we break PCI in imx6qdl-sabresd.
> 
> In this board we have:
> 
> reset-gpio = <&gpio7 12 0>;
> 
> , which is wrong. Of course, we should fix this to be 'reset-gpio =
> <&gpio7 12 GPIO_ACTIVE_LOW>;'
> 
> However we should not break old dtb's. That's why reverting the patch
> is the only solution we have so that old dtb's still work.

But this only apply for stable right? I understand this and it's fine with me.

> We have had this same problem for the FEC PHY reset. The solution
> there was to add a new property to treat the active-high case.

In next we should fix it correctly, apply Krzysztof's patch and fix broken
DTBs, right?

-- ynezz

  reply	other threads:[~2016-03-30 13:16 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-03-28 21:45 [PATCH v2] Revert "PCI: imx6: Add support for active-low reset GPIO" Fabio Estevam
2016-03-29 13:43 ` Tim Harvey
2016-03-30 12:21   ` Petr Štetiar
2016-03-30 12:36     ` Fabio Estevam
2016-03-30 13:00       ` Petr Štetiar
2016-03-30 13:07         ` Fabio Estevam
2016-03-30 13:16           ` Petr Štetiar [this message]
2016-03-30 13:20             ` Lucas Stach
2016-03-30 13:25               ` Fabio Estevam
2016-03-31  5:07       ` Krzysztof Hałasa
2016-03-31 10:35         ` Lucas Stach
2016-04-01  7:26           ` Krzysztof Hałasa
2016-03-30 13:29 ` Lucas Stach
2016-04-05 19:10   ` Fabio Estevam
2016-04-05 21:31 ` Bjorn Helgaas
2016-04-05 22:07   ` Fabio Estevam
2016-04-18  2:41   ` Fabio Estevam

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