linux-kernel - Re: [PATCH V6 9/9] irqchip/gic: Add platform driver for non-root GICs that require RPM

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Message-ID: <575E8A9A.1040907@nvidia.com>
Date:	Mon, 13 Jun 2016 11:27:38 +0100
From:	Jon Hunter <jonathanh@...dia.com>
To:	Marc Zyngier <marc.zyngier@....com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Jason Cooper <jason@...edaemon.net>
CC:	Rob Herring <robh+dt@...nel.org>, Pawel Moll <pawel.moll@....com>,
	"Mark Rutland" <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Stephen Warren <swarren@...dotorg.org>,
	Thierry Reding <thierry.reding@...il.com>,
	Kevin Hilman <khilman@...nel.org>,
	Geert Uytterhoeven <geert@...ux-m68k.org>,
	Grygorii Strashko <grygorii.strashko@...com>,
	Lars-Peter Clausen <lars@...afoo.de>,
	"Linus Walleij" <linus.walleij@...aro.org>,
	<linux-tegra@...r.kernel.org>, <devicetree@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH V6 9/9] irqchip/gic: Add platform driver for non-root GICs
 that require RPM


On 13/06/16 11:13, Marc Zyngier wrote:

...

> OK, that's because ARM_GIC_PM is never selected (and there is no way I
> can actually select). Do you have some additional patches that selects
> it for Tegra?

Yes locally, I have the following for testing ...

diff --git a/drivers/soc/tegra/Kconfig b/drivers/soc/tegra/Kconfig
index 03089ad2fc65..ffd02a3c093a 100644
--- a/drivers/soc/tegra/Kconfig
+++ b/drivers/soc/tegra/Kconfig
@@ -63,6 +63,7 @@ config ARCH_TEGRA_132_SOC

 config ARCH_TEGRA_210_SOC
        bool "NVIDIA Tegra210 SoC"
+       select ARM_GIC_PM
        select PINCTRL_TEGRA210

>> The correct fix is ...
>>
>> diff --git a/drivers/irqchip/irq-gic.c b/drivers/irqchip/irq-gic.c
>> index 57423f3b218b..1de07eb5839c 100644
>> --- a/drivers/irqchip/irq-gic.c
>> +++ b/drivers/irqchip/irq-gic.c
>> @@ -1272,7 +1272,7 @@ static bool gic_check_eoimode(struct device_node *node, void __iomem **base)
>>         return true;
>>  }
>>  
>> -static int __init gic_of_setup(struct gic_chip_data *gic, struct device_node *node)
>> +static int gic_of_setup(struct gic_chip_data *gic, struct device_node *node)
>>  {
>>         if (!gic || !node)
>>                 return -EINVAL;
> 
> OK, I've applied this locally (no need to resend).

Great. Thanks. Sorry about this.

Jon

-- 
nvpublic