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From: Lee Jones <lee.jones@linaro.org>
To: Jeff LaBundy <jeff@labundy.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 4/6] mfd: iqs62x: Increase interrupt handler return delay
Date: Wed, 20 Jan 2021 08:43:32 +0000	[thread overview]
Message-ID: <20210120084332.GQ4903@dell> (raw)
In-Reply-To: <1610942228-7275-5-git-send-email-jeff@labundy.com>

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@labundy.com>
> Acked-for-MFD-by: Lee Jones <lee.jones@linaro.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
Follow Linaro: Facebook | Twitter | Blog

  reply	other threads:[~2021-01-20  8:45 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-18  3:57 [PATCH v2 0/6] mfd: iqs62x: Minor cosmetic and functional improvements Jeff LaBundy
2021-01-18  3:57 ` [PATCH v2 1/6] mfd: iqs62x: Remove superfluous whitespace above fallthroughs Jeff LaBundy
2021-01-20  8:41   ` Lee Jones
2021-01-18  3:57 ` [PATCH v2 2/6] mfd: iqs62x: Remove unused bit mask Jeff LaBundy
2021-01-20  8:42   ` Lee Jones
2021-01-18  3:57 ` [PATCH v2 3/6] mfd: iqs62x: Rename regmap_config struct Jeff LaBundy
2021-01-20  8:43   ` Lee Jones
2021-01-18  3:57 ` [PATCH v2 4/6] mfd: iqs62x: Increase interrupt handler return delay Jeff LaBundy
2021-01-20  8:43   ` Lee Jones [this message]
2021-01-18  3:57 ` [PATCH v2 5/6] mfd: iqs62x: Do not poll during ATI Jeff LaBundy
2021-01-20  8:43   ` Lee Jones
2021-01-18  3:57 ` [PATCH v2 6/6] mfd: iqs62x: Do not change clock frequency " Jeff LaBundy
2021-01-20  8:48   ` Lee Jones

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