netdev - Re: Ethernet not working on a different SoC with same eth HW

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Date:   Mon, 31 Oct 2016 17:28:24 +0100
From:   Mason <slash.tmp@...e.fr>
To:     Andrew Lunn <andrew@...n.ch>
Cc:     netdev <netdev@...r.kernel.org>, Mans Rullgard <mans@...sr.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Timur Tabi <timur@...eaurora.org>,
        Sergei Shtylyov <sergei.shtylyov@...entembedded.com>,
        Zefir Kurtisi <zefir.kurtisi@...atec.com>,
        Martin Blumenstingl <martin.blumenstingl@...il.com>,
        Uwe Kleine-Konig <u.kleine-koenig@...gutronix.de>,
        Daniel Mack <zonque@...il.com>,
        Sebastian Frias <sf84@...oste.net>
Subject: Re: Ethernet not working on a different SoC with same eth HW

On 31/10/2016 16:53, Andrew Lunn wrote:

>> I'll add a log for the request_irq call.
> 
> And take a look at /proc/interrupts

You're right, there does seem to be something wrong with the interrupts.

# cat /proc/interrupts 
           CPU0       
 20:      26285     GIC-0  29 Edge      twd
IPI0:          0  CPU wakeup interrupts
IPI1:          0  Timer broadcast interrupts
IPI2:          0  Rescheduling interrupts
IPI3:          0  Function call interrupts
IPI4:          0  CPU stop interrupts
IPI5:          0  IRQ work interrupts
IPI6:          0  completion interrupts
Err:          0

None of the expected platform interrupts (eth, phy, uart) are registered.

Thanks for pushing in a promising direction.

Regards.