linux-kernel - Re: [PATCH 07/27] irqchip: Declare cortex-a7's irqchip to initialize gic from dt

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <C136A675-6D64-42EE-918E-351A266946C5@gmail.com>
Date:	Thu, 10 Apr 2014 15:39:02 +0530
From:	armdev <armdev.ftm@...il.com>
To:	Marc Zyngier <marc.zyngier@....com>
Cc:	Chanwoo Choi <cw00.choi@...sung.com>,
	"kgene.kim@...sung.com" <kgene.kim@...sung.com>,
	"t.figa@...sung.com" <t.figa@...sung.com>,
	"linux-samsung-soc@...r.kernel.org" 
	<linux-samsung-soc@...r.kernel.org>,
	"hyunhee.kim@...sung.com" <hyunhee.kim@...sung.com>,
	"sw0312.kim@...sung.com" <sw0312.kim@...sung.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"yj44.cho@...sung.com" <yj44.cho@...sung.com>,
	"inki.dae@...sung.com" <inki.dae@...sung.com>,
	"kyungmin.park@...sung.com" <kyungmin.park@...sung.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>, mark.rutland@....com
Subject: Re: [PATCH 07/27] irqchip: Declare cortex-a7's irqchip to initialize gic from dt


On 10-Apr-2014, at 3:34 pm, Marc Zyngier <marc.zyngier@....com> wrote:

> On Thu, Apr 10 2014 at 10:28:24 am BST, Chanwoo Choi <cw00.choi@...sung.com> wrote:
>> This patch declare coretex-a7's irqchip to initialze gic from dt
>> with "arm,cortex-a7-gic" data.
>> 
>> Cc: Thomas Gleixner <tglx@...utronix.de>
>> Signed-off-by: Chanwoo Choi <cw00.choi@...sung.com>
>> Signed-off-by: Kyungmin Park <kyungmin.park@...sung.com>
>> ---
>> drivers/irqchip/irq-gic.c | 1 +
>> 1 file changed, 1 insertion(+)
>> 
>> diff --git a/drivers/irqchip/irq-gic.c b/drivers/irqchip/irq-gic.c
>> index 4300b66..8e906e4 100644
>> --- a/drivers/irqchip/irq-gic.c
>> +++ b/drivers/irqchip/irq-gic.c
>> @@ -1069,6 +1069,7 @@ gic_of_init(struct device_node *node, struct device_node *parent)
>> }
>> IRQCHIP_DECLARE(cortex_a15_gic, "arm,cortex-a15-gic", gic_of_init);
>> IRQCHIP_DECLARE(cortex_a9_gic, "arm,cortex-a9-gic", gic_of_init);
>> +IRQCHIP_DECLARE(cortex_a7_gic, "arm,cortex-a7-gic", gic_of_init);
>> IRQCHIP_DECLARE(msm_8660_qgic, "qcom,msm-8660-qgic", gic_of_init);
>> IRQCHIP_DECLARE(msm_qgic2, "qcom,msm-qgic2", gic_of_init);
> 
> Frankly, this patch adds no value. Are we going to add
> "arm,cortex-a12-gic", "arm,cortex-a17-gic", "arm,cortex-a53-gic",
> "arm,cortex-a57-gic"? And that's just to mention the ARM Ltd cores...
> 
> Instead, how about defining a generic "arm,gic" property, and mandate
> that new DT files are using that? We can always use a more precise
> compatible for quirks.
> 

How about keeping it simple and tied to arm gic versions
arm,gicv1, arm,gicv2, arm,gicv2ve

> Mark, what do you think? I think this has been discussed in the past
> already.
> 
> 	M.
> -- 
> Jazz is not dead. It just smells funny.
> --
> To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in
> the body of a message to majordomo@...r.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/