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Date:   Wed, 9 Jan 2019 10:33:35 +0000
From:   Marc Zyngier <>
To:     Hanjun Guo <>,
        Yang Yingliang <>,,
Cc:, Linuxarm <>
Subject: Re: [PATCH v2 0/4] add support for MBIGEN generating message based

Hi Hanjun,

On 09/01/2019 10:18, Hanjun Guo wrote:
> Hi Marc,
> Sorry for ping you...
> On 2018/10/26 15:51, Yang Yingliang wrote:
>> Now MBIGENs have pins that used to generate SPIs,
>> with
>> 5052875 ("irqchip/gic-v3: Add support for Message Based Interrupts as an MSI controller"),
>> we can support MBIGEN to generate message based SPIs by writing
>> GICD_SETSPIR. This patchset add support for MBIGEN generating
>> message based SPIs and a bugfix for MBI driver.
> What's you suggestion for this patch set? We would like your input
> for next steps.
>> Patch #1 is a bugfix for MBI driver.
> At least this patch can be merged first as it's an obvious bug,
> without this patch, the MBI dirver can't work I think because
> the mutex lock is not initialized.

I dropped the ball on that one. Let me have a quick look.


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

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