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From: Miquel Raynal <miquel.raynal@bootlin.com>
To: Clark Wang <xiaoning.wang@nxp.com>
Cc: conor.culhane@silvaco.com, alexandre.belloni@bootlin.com,
	linux-i3c@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] i3c: master: svc: fix i3c suspend/resume issue
Date: Mon, 22 May 2023 10:31:58 +0200	[thread overview]
Message-ID: <20230522103158.016ae674@xps-13> (raw)
In-Reply-To: <20230517033030.3068085-1-xiaoning.wang@nxp.com>

Hi Clark,

xiaoning.wang@nxp.com wrote on Wed, 17 May 2023 11:30:28 +0800:

> When system suspends, if i3c module is powered down, register
> value will lose.
> Need to save the key registers before system suspend.
> So save these registers value in runtime pm suspend, and restore them
> if these register's value is different with the saved values
> when runtime pm resume.
> 
> Signed-off-by: Clark Wang <xiaoning.wang@nxp.com>

Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>

Thanks,
Miquèl

-- 
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WARNING: multiple messages have this Message-ID (diff)
From: Miquel Raynal <miquel.raynal@bootlin.com>
To: Clark Wang <xiaoning.wang@nxp.com>
Cc: conor.culhane@silvaco.com, alexandre.belloni@bootlin.com,
	linux-i3c@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] i3c: master: svc: fix i3c suspend/resume issue
Date: Mon, 22 May 2023 10:31:58 +0200	[thread overview]
Message-ID: <20230522103158.016ae674@xps-13> (raw)
In-Reply-To: <20230517033030.3068085-1-xiaoning.wang@nxp.com>

Hi Clark,

xiaoning.wang@nxp.com wrote on Wed, 17 May 2023 11:30:28 +0800:

> When system suspends, if i3c module is powered down, register
> value will lose.
> Need to save the key registers before system suspend.
> So save these registers value in runtime pm suspend, and restore them
> if these register's value is different with the saved values
> when runtime pm resume.
> 
> Signed-off-by: Clark Wang <xiaoning.wang@nxp.com>

Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>

Thanks,
Miquèl

  parent reply	other threads:[~2023-05-22  8:32 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-05-17  3:30 [PATCH] i3c: master: svc: fix i3c suspend/resume issue Clark Wang
2023-05-17  3:30 ` Clark Wang
2023-05-17  3:30 ` [PATCH] i3c: master: svc: fix cpu schedule in spin lock Clark Wang
2023-05-17  3:30   ` Clark Wang
2023-05-22  8:32   ` Miquel Raynal
2023-05-22  8:32     ` Miquel Raynal
2023-06-04 22:52   ` (subset) " Alexandre Belloni
2023-06-04 22:52     ` Alexandre Belloni
2023-05-17  3:30 ` [PATCH] i3c: master: svc: add NACK check after start byte sent Clark Wang
2023-05-17  3:30   ` Clark Wang
2023-05-22  8:33   ` Miquel Raynal
2023-05-22  8:33     ` Miquel Raynal
2023-05-22  8:31 ` Miquel Raynal [this message]
2023-05-22  8:31   ` [PATCH] i3c: master: svc: fix i3c suspend/resume issue Miquel Raynal
2023-06-04 22:52 ` (subset) " Alexandre Belloni
2023-06-04 22:52   ` Alexandre Belloni

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