linux-kernel - Re: [PATCH] mfd: intel-lpss: Check for error irq

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Date:   Mon, 31 Jan 2022 16:09:24 +0000
From:   Lee Jones <lee.jones@...aro.org>
To:     Jiasheng Jiang <jiasheng@...as.ac.cn>
Cc:     linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mfd: intel-lpss: Check for error irq

On Fri, 24 Dec 2021, Jiasheng Jiang wrote:

> For the possible failure of the platform_get_irq(), the returned irq
> could be error number and will finally cause the failure of the
> request_irq().
> Consider that platform_get_irq() can now in certain cases return
> -EPROBE_DEFER, and the consequences of letting request_irq() effectively
> convert that into -EINVAL, even at probe time rather than later on.
> So it might be better to check just now.
> 
> Fixes: 4b45efe85263 ("mfd: Add support for Intel Sunrisepoint LPSS devices")
> Signed-off-by: Jiasheng Jiang <jiasheng@...as.ac.cn>
> ---
>  drivers/mfd/intel-lpss-acpi.c | 8 +++++++-
>  1 file changed, 7 insertions(+), 1 deletion(-)

This patch no longer seems to apply.

Please rebase it and resubmit with this applied:

For my own reference (apply this as-is to your sign-off block):

  Acked-for-MFD-by: Lee Jones <lee.jones@...aro.org>

-- 
Lee Jones [李琼斯]
Principal Technical Lead - Developer Services
Linaro.org │ Open source software for Arm SoCs
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