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From: Peter Korsgaard <peter@korsgaard.com>
To: Samuel Holland <samuel.holland@sifive.com>
Cc: Andrew Lunn <andrew@lunn.ch>,  Andi Shyti <andi.shyti@kernel.org>,
	linux-i2c@vger.kernel.org,  linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2] i2c: ocores: Move system PM hooks to the NOIRQ phase
Date: Mon, 13 Nov 2023 08:50:13 +0100	[thread overview]
Message-ID: <87r0kuf5xm.fsf@48ers.dk> (raw)
In-Reply-To: <20231113023249.1185682-1-samuel.holland@sifive.com> (Samuel Holland's message of "Sun, 12 Nov 2023 18:32:45 -0800")

>>>>> "Samuel" == Samuel Holland <samuel.holland@sifive.com> writes:

 > When an I2C device contains a wake IRQ subordinate to a regmap-irq chip,
 > the regmap-irq code must be able to perform I2C transactions during
 > suspend_device_irqs() and resume_device_irqs(). Therefore, the bus must
 > be suspended/resumed during the NOIRQ phase.

 > Signed-off-by: Samuel Holland <samuel.holland@sifive.com>

Acked-by: Peter Korsgaard <peter@korsgaard.com>

> ---

 > Changes in v2:
 >  - Rebase on v6.7-rc1

 >  drivers/i2c/busses/i2c-ocores.c | 4 ++--
 >  1 file changed, 2 insertions(+), 2 deletions(-)

 > diff --git a/drivers/i2c/busses/i2c-ocores.c b/drivers/i2c/busses/i2c-ocores.c
 > index 041a76f71a49..e106af83cef4 100644
 > --- a/drivers/i2c/busses/i2c-ocores.c
 > +++ b/drivers/i2c/busses/i2c-ocores.c
 > @@ -771,8 +771,8 @@ static int ocores_i2c_resume(struct device *dev)
 >  	return ocores_init(dev, i2c);
 >  }
 
 > -static DEFINE_SIMPLE_DEV_PM_OPS(ocores_i2c_pm,
 > -				ocores_i2c_suspend, ocores_i2c_resume);
 > +static DEFINE_NOIRQ_DEV_PM_OPS(ocores_i2c_pm,
 > +			       ocores_i2c_suspend, ocores_i2c_resume);
 
 >  static struct platform_driver ocores_i2c_driver = {
 >  	.probe   = ocores_i2c_probe,
 > -- 

 > 2.42.0


-- 
Bye, Peter Korsgaard

  reply	other threads:[~2023-11-13  7:50 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-11-13  2:32 [PATCH v2] i2c: ocores: Move system PM hooks to the NOIRQ phase Samuel Holland
2023-11-13  7:50 ` Peter Korsgaard [this message]
2023-11-13 17:45 ` Wolfram Sang

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