linux-kernel - Re: [PATCH] irqchip/bcm: Restore registration print with %pOF

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Date:   Mon, 29 Apr 2019 09:29:00 +0100
From:   Marc Zyngier <marc.zyngier@....com>
To:     Florian Fainelli <f.fainelli@...il.com>,
        linux-kernel@...r.kernel.org
Cc:     jaedon.shin@...il.com, Kevin Cernekee <cernekee@...il.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Jason Cooper <jason@...edaemon.net>,
        Brian Norris <computersforpeace@...il.com>,
        Gregory Fong <gregory.0xf0@...il.com>,
        "maintainer:BROADCOM BCM7XXX ARM ARCHITECTURE" 
        <bcm-kernel-feedback-list@...adcom.com>,
        "open list:BROADCOM BMIPS MIPS ARCHITECTURE" 
        <linux-mips@...r.kernel.org>,
        "moderated list:BROADCOM BCM7XXX ARM ARCHITECTURE" 
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH] irqchip/bcm: Restore registration print with %pOF

On 26/04/2019 18:33, Florian Fainelli wrote:
> On 3/20/19 12:39 PM, Florian Fainelli wrote:
>> It is useful to print which interrupt controllers are registered in the
>> system and which parent IRQ they use, especially given that L2 interrupt
>> controllers do not call request_irq() on their parent interrupt and do
>> not appear under /proc/interrupts for that reason.
>>
>> We used to print the base register address virtual address which had
>> little value, use %pOF to print the path to the Device Tree node which
>> maps to the physical address more easily and is what people need to
>> troubleshoot systems.
>>
>> Signed-off-by: Florian Fainelli <f.fainelli@...il.com>
> 
> Marc, are you okay with taking that patch?

I find it slightly pointless, but if you find it useful in the field,
fair enough. I've queued it for 5.2.

Thanks,

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