linux-kernel - Re: [PATCH v6] sh: avoid using IRQ0 on SH3/4

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Date:   Fri, 02 Jun 2023 11:01:06 +0200
From:   John Paul Adrian Glaubitz <glaubitz@...sik.fu-berlin.de>
To:     Sergey Shtylyov <s.shtylyov@....ru>, Rich Felker <dalias@...c.org>,
        linux-sh@...r.kernel.org
Cc:     Yoshinori Sato <ysato@...rs.sourceforge.jp>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v6] sh: avoid using IRQ0 on SH3/4

Hi Sergey!

On Thu, 2023-06-01 at 23:22 +0300, Sergey Shtylyov wrote:
> IRQ0 is no longer returned by platform_get_irq() and its ilk -- they now
> return -EINVAL instead.  However, the kernel code supporting SH3/4 based
> SoCs still maps the IRQ #s starting at 0 -- modify that code to start the
> IRQ #s from 16 instead.
> 
> The patch should mostly affect the AP-SH4A-3A/AP-SH4AD-0A boards as they
> indeed are using IRQ0 for the SMSC911x compatible Ethernet chip...

I don't have time today, but I will look at all current SH patches over the
weekend. Thanks a lot for being so persistent.

Adrian

-- 
 .''`.  John Paul Adrian Glaubitz
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