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From: Marc Zyngier <maz@kernel.org>
To: Zhen Lei <thunder.leizhen@huawei.com>
Cc: Thomas Gleixner <tglx@linutronix.de>,
	Jason Cooper <jason@lakedaemon.net>,
	Rob Herring <robh+dt@kernel.org>,
	devicetree <devicetree@vger.kernel.org>,
	linux-kernel <linux-kernel@vger.kernel.org>,
	Kefeng Wang <wangkefeng.wang@huawei.com>
Subject: Re: [PATCH 0/2] add support for Hisilicon SD5203 vector interrupt controller
Date: Thu, 03 Sep 2020 17:46:44 +0100	[thread overview]
Message-ID: <ac9458877cd414a8265d267569b0e8ea@kernel.org> (raw)
In-Reply-To: <20200903120504.2308-1-thunder.leizhen@huawei.com>

On 2020-09-03 13:05, Zhen Lei wrote:
> The interrupt controller of SD5203 SoC is VIC(vector interrupt 
> controller), it's
> based on Synopsys DesignWare APB interrupt controller (dw_apb_ictl) IP, 
> but it
> can not directly use dw_apb_ictl driver. The main reason is that VIC is 
> used as
> primary interrupt controller and dw_apb_ictl driver worked for 
> secondary
> interrupt controller.

What prevents you from improving the existing driver so that it can act
as a primary interrupt controller? It shouldn't be rocket science, 
really.

There are some examples in the tree of drivers that can be used in
both situations (GIC, VIC

Thanks,

         M.
-- 
Jazz is not dead. It just smells funny...

  parent reply	other threads:[~2020-09-03 16:46 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-03 12:05 [PATCH 0/2] add support for Hisilicon SD5203 vector interrupt controller Zhen Lei
2020-09-03 12:05 ` [PATCH 1/2] dt-bindings: interrupt-controller: add " Zhen Lei
2020-09-14 20:31   ` Rob Herring
2020-09-15  6:12     ` Leizhen (ThunderTown)
2020-09-17  3:30       ` Leizhen (ThunderTown)
2020-09-18 18:55         ` Rob Herring
2020-09-19  2:02           ` Leizhen (ThunderTown)
2020-09-03 12:05 ` [PATCH 2/2] irqchip: " Zhen Lei
2020-09-03 16:46 ` Marc Zyngier [this message]
2020-09-04  4:57   ` [PATCH 0/2] add support for " Leizhen (ThunderTown)

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