linux-kernel - Re: [PATCH 2/3] i2c: sh_mobile: Use platform_get_irq

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Message-ID: <aae11858-9a63-c5ad-21c2-910a7f87160f@gmail.com>
Date:   Thu, 10 Feb 2022 12:46:40 +0300
From:   Sergei Shtylyov <sergei.shtylyov@...il.com>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:     Arnd Bergmann <arnd@...db.de>,
        Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>,
        Rob Herring <robh+dt@...nel.org>,
        Nicolas Saenz Julienne <nsaenz@...nel.org>,
        Florian Fainelli <f.fainelli@...il.com>,
        Ray Jui <rjui@...adcom.com>,
        Scott Branden <sbranden@...adcom.com>,
        bcm-kernel-feedback-list <bcm-kernel-feedback-list@...adcom.com>,
        Chris Brandt <chris.brandt@...esas.com>,
        Wolfram Sang <wsa+renesas@...g-engineering.com>,
        Linux I2C <linux-i2c@...r.kernel.org>,
        linux-rpi-kernel <linux-rpi-kernel@...ts.infradead.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux-Renesas <linux-renesas-soc@...r.kernel.org>,
        Prabhakar <prabhakar.csengg@...il.com>,
        Linux-sh list <linux-sh@...r.kernel.org>
Subject: Re: [PATCH 2/3] i2c: sh_mobile: Use platform_get_irq_optional() to
 get the interrupt

On 2/10/22 12:32 PM, Geert Uytterhoeven wrote:

[...]

>>>>> I had another look at this after you asked about it on IRC. I don't
>>>>> know much SH assembly, but I suspect IRQ 0 has not been delivered
>>
>>    Neither do I, sigh...
>>    I do know the instuctions are 16-bit and so there are no immediate
>> opperands... :-)
> 
> There is byte immediate data (TIL).

    Yeah, I figured. :-)

> Gr{oetje,eeting}s,
> 
>                         Geert

MBR, Sergey