From: Tony Lindgren <tony@atomide.com>
To: Marc Zyngier <marc.zyngier@arm.com>
Cc: Benoit Cousson <bcousson@baylibre.com>,
Nishanth Menon <nm@ti.com>,
Santosh Shilimkar <ssantosh@kernel.org>,
Jason Cooper <jason@lakedaemon.net>,
Thomas Gleixner <tglx@linutronix.de>,
Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
linux-arm-kernel@lists.infradead.org, linux-omap@vger.kernel.org
Subject: Re: [PATCH v5 0/7] irqchip: Move OMAP{4,5}/DRA7 to use stacked domains
Date: Mon, 23 Feb 2015 15:02:05 -0800 [thread overview]
Message-ID: <20150223230205.GJ32521@atomide.com> (raw)
In-Reply-To: <1424713459-6824-1-git-send-email-marc.zyngier@arm.com>
* Marc Zyngier <marc.zyngier@arm.com> [150223 09:48]:
> This series is extracted from [4], which is trying to remove all
> traces of gic_arch_extn from the tree. As some maintainers are more
> responsive than others (understatement of the year...), I've decided
> to split it per sub-arch, and get it moving, at least partially.
>
> This series addresses OMAP{4,5} by converting the WUGEN to stacked
> domains. The DRA7 crossbar gets the same treatment.
>
> It is worth realizing that:
>
> - I haven't been able to test this as much as I would have wanted to
> (it's only been tested on omap4 and omap5).
>
> - This actively *breaks* existing setups. Once you boot a new kernel
> with an old DT, suspend/resume *will* be broken. Old kernels on a
> new DT won't even boot! You've been warned. This really outline the
> necessity of actually describing the HW in device trees...
Could we parse still the old binding and produce warning for the
case when a new kernel is booted with the old DT? That would make
it easier for people to debug what's going on.
Regards,
Tony
WARNING: multiple messages have this Message-ID (diff)
From: tony@atomide.com (Tony Lindgren)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v5 0/7] irqchip: Move OMAP{4,5}/DRA7 to use stacked domains
Date: Mon, 23 Feb 2015 15:02:05 -0800 [thread overview]
Message-ID: <20150223230205.GJ32521@atomide.com> (raw)
In-Reply-To: <1424713459-6824-1-git-send-email-marc.zyngier@arm.com>
* Marc Zyngier <marc.zyngier@arm.com> [150223 09:48]:
> This series is extracted from [4], which is trying to remove all
> traces of gic_arch_extn from the tree. As some maintainers are more
> responsive than others (understatement of the year...), I've decided
> to split it per sub-arch, and get it moving, at least partially.
>
> This series addresses OMAP{4,5} by converting the WUGEN to stacked
> domains. The DRA7 crossbar gets the same treatment.
>
> It is worth realizing that:
>
> - I haven't been able to test this as much as I would have wanted to
> (it's only been tested on omap4 and omap5).
>
> - This actively *breaks* existing setups. Once you boot a new kernel
> with an old DT, suspend/resume *will* be broken. Old kernels on a
> new DT won't even boot! You've been warned. This really outline the
> necessity of actually describing the HW in device trees...
Could we parse still the old binding and produce warning for the
case when a new kernel is booted with the old DT? That would make
it easier for people to debug what's going on.
Regards,
Tony
next prev parent reply other threads:[~2015-02-23 23:06 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-23 17:44 [PATCH v5 0/7] irqchip: Move OMAP{4,5}/DRA7 to use stacked domains Marc Zyngier
2015-02-23 17:44 ` Marc Zyngier
2015-02-23 17:44 ` [PATCH v5 1/7] genirq: Add irqchip_set_wake_parent Marc Zyngier
2015-02-23 17:44 ` Marc Zyngier
2015-02-23 17:44 ` [PATCH v5 2/7] irqchip: crossbar: convert dra7 crossbar to stacked domains Marc Zyngier
2015-02-23 17:44 ` Marc Zyngier
2015-02-23 17:44 ` [PATCH v5 3/7] DT: update ti,irq-crossbar binding Marc Zyngier
2015-02-23 17:44 ` Marc Zyngier
2015-02-23 17:44 ` [PATCH v5 4/7] irqchip: GIC: get rid of routable domain Marc Zyngier
2015-02-23 17:44 ` Marc Zyngier
2015-02-23 17:44 ` [PATCH v5 5/7] DT: arm,gic: kill arm,routable-irqs Marc Zyngier
2015-02-23 17:44 ` Marc Zyngier
2015-02-23 17:44 ` [PATCH v5 6/7] DT: omap4/5: add binding for the wake-up generator Marc Zyngier
2015-02-23 17:44 ` Marc Zyngier
2015-02-23 17:44 ` [PATCH v5 7/7] ARM: omap: convert wakeupgen to stacked domains Marc Zyngier
2015-02-23 17:44 ` Marc Zyngier
2015-02-23 20:32 ` [PATCH v5 0/7] irqchip: Move OMAP{4,5}/DRA7 to use " Nishanth Menon
2015-02-23 20:32 ` Nishanth Menon
2015-02-23 20:39 ` Nishanth Menon
2015-02-23 20:39 ` [PATCH v5 0/7] irqchip: Move OMAP{4, 5}/DRA7 " Nishanth Menon
2015-02-24 10:41 ` [PATCH v5 0/7] irqchip: Move OMAP{4,5}/DRA7 " Marc Zyngier
2015-02-24 10:41 ` [PATCH v5 0/7] irqchip: Move OMAP{4, 5}/DRA7 " Marc Zyngier
2015-02-25 15:16 ` [PATCH v5 0/7] irqchip: Move OMAP{4,5}/DRA7 " Nishanth Menon
2015-02-25 15:16 ` [PATCH v5 0/7] irqchip: Move OMAP{4, 5}/DRA7 " Nishanth Menon
2015-02-23 23:02 ` Tony Lindgren [this message]
2015-02-23 23:02 ` [PATCH v5 0/7] irqchip: Move OMAP{4,5}/DRA7 " Tony Lindgren
2015-02-24 0:11 ` Tony Lindgren
2015-02-24 0:11 ` Tony Lindgren
[not found] ` <CAJydem=O0S0dKL6pOvm79bNYinDcFVhQE0qUW43Qhvfo7voqtA@mail.gmail.com>
2015-02-24 9:57 ` Marc Zyngier
2015-02-24 9:57 ` [PATCH v5 0/7] irqchip: Move OMAP{4, 5}/DRA7 " Marc Zyngier
2015-02-24 9:04 ` [PATCH v5 0/7] irqchip: Move OMAP{4,5}/DRA7 " Marc Zyngier
2015-02-24 9:04 ` [PATCH v5 0/7] irqchip: Move OMAP{4, 5}/DRA7 " Marc Zyngier
2015-02-24 15:03 ` [PATCH v5 0/7] irqchip: Move OMAP{4,5}/DRA7 " Tony Lindgren
2015-02-24 15:03 ` Tony Lindgren
2015-02-24 21:39 ` santosh shilimkar
2015-02-24 21:39 ` [PATCH v5 0/7] irqchip: Move OMAP{4, 5}/DRA7 " santosh shilimkar
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