From: Lee Jones <lee.jones@linaro.org>
To: Jeff LaBundy <jeff@labundy.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH 4/6] mfd: iqs62x: Increase interrupt handler return delay
Date: Thu, 14 Jan 2021 10:20:14 +0000 [thread overview]
Message-ID: <20210114102014.GQ3975472@dell> (raw)
In-Reply-To: <1609707369-11297-5-git-send-email-jeff@labundy.com>
On Sun, 03 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>
> ---
> drivers/mfd/iqs62x.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
For my own reference (apply this as-is to your sign-off block):
Acked-for-MFD-by: Lee Jones <lee.jones@linaro.org>
--
Lee Jones [李琼斯]
Senior Technical Lead - Developer Services
Linaro.org │ Open source software for Arm SoCs
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next prev parent reply other threads:[~2021-01-14 10:21 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-03 20:56 [PATCH 0/6] mfd: iqs62x: Minor cosmetic and functional improvements Jeff LaBundy
2021-01-03 20:56 ` [PATCH 1/6] mfd: iqs62x: Remove superfluous whitespace above fallthroughs Jeff LaBundy
2021-01-14 10:18 ` Lee Jones
2021-01-03 20:56 ` [PATCH 2/6] mfd: iqs62x: Remove unused bit mask Jeff LaBundy
2021-01-14 10:18 ` Lee Jones
2021-01-03 20:56 ` [PATCH 3/6] mfd: iqs62x: Rename regmap_config struct Jeff LaBundy
2021-01-14 10:19 ` Lee Jones
2021-01-03 20:56 ` [PATCH 4/6] mfd: iqs62x: Increase interrupt handler return delay Jeff LaBundy
2021-01-14 10:20 ` Lee Jones [this message]
2021-01-03 20:56 ` [PATCH 5/6] mfd: iqs62x: Do not poll during ATI Jeff LaBundy
2021-01-14 10:17 ` Lee Jones
2021-01-15 4:01 ` Jeff LaBundy
2021-01-03 20:56 ` [PATCH 6/6] mfd: iqs62x: Do not change clock frequency " Jeff LaBundy
2021-01-14 10:21 ` Lee Jones
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