linux-kernel - Re: Re: [PATCH] serial: mps2-uart: Check for error irq

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Message-Id: <20211223032127.1259695-1-jiasheng@iscas.ac.cn>
Date:   Thu, 23 Dec 2021 11:21:27 +0800
From:   Jiasheng Jiang <jiasheng@...as.ac.cn>
To:     andy.shevchenko@...il.com, gregkh@...uxfoundation.org,
        jirislaby@...nel.org, liviu.dudau@....com, sudeep.holla@....com,
        lorenzo.pieralisi@....com
Cc:     linux-serial@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, Jiasheng Jiang <jiasheng@...as.ac.cn>
Subject: Re: Re: [PATCH] serial: mps2-uart: Check for error irq

On Thursday, December 23, 2021, Andy Shevchenko <andy.shevchenko@...il.com> wrote:
>> I find that platform_get_irq() will not always succeed.
>> It will return error irq in case there is no suitable irq.
>> Therefore, it might be better to check it if order to avoid the use of
>> error irq.


> IRQ
>
>
> You haven't compiled it, right?

Actually, I compile the patch again.
But I still gain no error.
Please give me more detail.

Sincerely thanks,
Jiasheng