linux-kernel - Re: [PATCH] mfd: mt6397: Don't call irq_dispose

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Date:   Sun, 24 Mar 2019 14:39:34 +0100
From:   Alexandre Belloni <alexandre.belloni@...tlin.com>
To:     Pi-Hsun Shih <pihsun@...omium.org>
Cc:     Eddie Huang <eddie.huang@...iatek.com>,
        Sean Wang <sean.wang@...iatek.com>,
        Alessandro Zummo <a.zummo@...ertech.it>,
        Matthias Brugger <matthias.bgg@...il.com>,
        "moderated list:ARM/Mediatek RTC DRIVER" 
        <linux-arm-kernel@...ts.infradead.org>,
        "moderated list:ARM/Mediatek RTC DRIVER" 
        <linux-mediatek@...ts.infradead.org>,
        "open list:REAL TIME CLOCK (RTC) SUBSYSTEM" 
        <linux-rtc@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] mfd: mt6397: Don't call irq_dispose_mapping.

On 11/03/2019 15:55:40+0800, Pi-Hsun Shih wrote:
> The IRQ mapping was changed to not being created in the rtc-mt6397
> driver, so the irq_dispose_mapping is no longer needed.
> Also the dev_id passed to free_irq should be the same as the last
> argument passed to request_threaded_irq.
> This prevents a "Trying to free already-free IRQ 274" warning when
> unbinding the driver.
> 
> Fixes: e695d3a0b3b3 ("mfd: mt6397: Create irq mappings in mfd core driver")
> Signed-off-by: Pi-Hsun Shih <pihsun@...omium.org>
> 
> ---
>  drivers/rtc/rtc-mt6397.c | 9 +++------
>  1 file changed, 3 insertions(+), 6 deletions(-)
> 
Applied, thanks.

-- 
Alexandre Belloni, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com