linux-kernel - Re: [PATCH v2 4/6] mfd: iqs62x: Increase interrupt handler return delay

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Message-ID: <20210120084332.GQ4903@dell>
Date:   Wed, 20 Jan 2021 08:43:32 +0000
From:   Lee Jones <lee.jones@...aro.org>
To:     Jeff LaBundy <jeff@...undy.com>
Cc:     linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 4/6] mfd: iqs62x: Increase interrupt handler return
 delay

On Sun, 17 Jan 2021, Jeff LaBundy wrote:

> The time the device takes to deassert its RDY output following an
> I2C stop condition scales with the core clock frequency.
> 
> To prevent level-triggered interrupts from being reasserted after
> the interrupt handler returns, increase the time before returning
> to account for the worst-case delay (~90 us) plus margin.
> 
> Signed-off-by: Jeff LaBundy <jeff@...undy.com>
> Acked-for-MFD-by: Lee Jones <lee.jones@...aro.org>
> ---
> Changes in v2:
>   - Added Acked-for-MFD-by trailer
> 
>  drivers/mfd/iqs62x.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Applied, thanks.

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