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From: Andy Shevchenko <andy.shevchenko@gmail.com>
To: Jonathan Cameron <jic23@kernel.org>
Cc: linux-iio <linux-iio@vger.kernel.org>,
	Barry Song <song.bao.hua@hisilicon.com>,
	Jonathan Cameron <Jonathan.Cameron@huawei.com>
Subject: Re: [PATCH 0/7] iio: Use IRQF_NO_AUTOEN
Date: Fri, 2 Apr 2021 22:00:17 +0300	[thread overview]
Message-ID: <CAHp75VcG7OQy-vmsOLXpamrkT_LBP6RoXRJ_vkCmxwG6eRS8DQ@mail.gmail.com> (raw)
In-Reply-To: <20210402184544.488862-1-jic23@kernel.org>

On Fri, Apr 2, 2021 at 9:48 PM Jonathan Cameron <jic23@kernel.org> wrote:
>
> From: Jonathan Cameron <Jonathan.Cameron@huawei.com>
>
> This series is dependant on
> cbe16f35bee68 ("genirq: Add IRQF_NO_AUTOEN for request_irq/nmi()")
> which is available in an immutable tag in the tip tree.
> https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/tag/?h=irq-no-autoen-2021-03-25
> which I'll merge in to the IIO tree if we need it before it's available
> upstream.
>
> That patch introduces a new IRQF_NO_AUTOEN flag for irq requests to avoid
> the current dance where we either mark an irq as not to be autoenabled before
> we know if we can actually request it succesfully, or (as IIO drivers seem to

successfully

> have gone with) we disable the interrupt just after requesting it.
> In short the flag stops the interrupt being autoenabled in the first place.
>
> So this series applies this magic to IIO :)
>
> Note these are all just compile tested and some of them aren't entirely
> trivial because of other aspects of the irq flag handling.

I have looked at them and indeed in all cases it's clearer now what is going on.
FWIW,
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>

> Jonathan Cameron (7):
>   iio:adc:ad7766: Use new IRQF_NO_AUTOEN to reduce boilerplate
>   iio:adc:exynos-adc: Use new IRQF_NO_AUTOEN flag rather than separate
>     irq_disable()
>   iio:adc:nau7802: Use IRQF_NO_AUTOEN instead of request then disable
>   iio:adc:sun4i-gpadc: Use new IRQF_NO_AUTOEN flag instead of request
>     then disable
>   iio:chemical:scd30: Use IRQF_NO_AUTOEN to avoid irq request then
>     disable
>   iio:imu:adis: Use IRQF_NO_AUTOEN instead of irq request then disable
>   iio:adc:ad_sigma_delta: Use IRQF_NO_AUTOEN rather than request and
>     disable
>
>  drivers/iio/adc/ad7766.c          | 15 +++++++--------
>  drivers/iio/adc/ad_sigma_delta.c  |  7 ++-----
>  drivers/iio/adc/exynos_adc.c      |  4 ++--
>  drivers/iio/adc/nau7802.c         |  6 +++---
>  drivers/iio/adc/sun4i-gpadc-iio.c |  4 ++--
>  drivers/iio/chemical/scd30_core.c | 16 ++++++++--------
>  drivers/iio/imu/adis16460.c       |  4 ++--
>  drivers/iio/imu/adis16475.c       |  5 +++--
>  drivers/iio/imu/adis_trigger.c    | 11 ++++++-----
>  9 files changed, 35 insertions(+), 37 deletions(-)
>
> --
> 2.31.1
>


-- 
With Best Regards,
Andy Shevchenko

  parent reply	other threads:[~2021-04-02 19:00 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-02 18:45 [PATCH 0/7] iio: Use IRQF_NO_AUTOEN Jonathan Cameron
2021-04-02 18:45 ` [PATCH 1/7] iio:adc:ad7766: Use new IRQF_NO_AUTOEN to reduce boilerplate Jonathan Cameron
2021-04-02 20:10   ` Song Bao Hua (Barry Song)
2021-04-05 14:27     ` Jonathan Cameron
2021-04-02 18:45 ` [PATCH 2/7] iio:adc:exynos-adc: Use new IRQF_NO_AUTOEN flag rather than separate irq_disable() Jonathan Cameron
2021-04-02 20:11   ` Song Bao Hua (Barry Song)
2021-04-04 19:20   ` Krzysztof Kozlowski
2021-04-05 14:29     ` Jonathan Cameron
2021-04-02 18:45 ` [PATCH 3/7] iio:adc:nau7802: Use IRQF_NO_AUTOEN instead of request then disable Jonathan Cameron
2021-04-02 20:12   ` Song Bao Hua (Barry Song)
2021-04-05 14:33     ` Jonathan Cameron
2021-04-02 18:45 ` [PATCH 4/7] iio:adc:sun4i-gpadc: Use new IRQF_NO_AUTOEN flag " Jonathan Cameron
2021-04-02 20:13   ` Song Bao Hua (Barry Song)
2021-04-05 14:35     ` Jonathan Cameron
2021-04-02 18:45 ` [PATCH 5/7] iio:chemical:scd30: Use IRQF_NO_AUTOEN to avoid irq " Jonathan Cameron
2021-04-02 20:14   ` Song Bao Hua (Barry Song)
2021-04-05 14:36     ` Jonathan Cameron
2021-04-02 18:45 ` [PATCH 6/7] iio:imu:adis: Use IRQF_NO_AUTOEN instead of " Jonathan Cameron
2021-04-02 20:37   ` Song Bao Hua (Barry Song)
2021-04-05 14:40     ` Jonathan Cameron
2021-04-06 11:48       ` Sa, Nuno
2021-04-02 18:45 ` [PATCH 7/7] iio:adc:ad_sigma_delta: Use IRQF_NO_AUTOEN rather than request and disable Jonathan Cameron
2021-04-02 20:30   ` Song Bao Hua (Barry Song)
2021-04-05 14:51     ` Jonathan Cameron
2021-04-05 22:56       ` Song Bao Hua (Barry Song)
2021-04-02 19:00 ` Andy Shevchenko [this message]
2021-04-03 11:45 ` [PATCH 0/7] iio: Use IRQF_NO_AUTOEN Lars-Peter Clausen

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