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From: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
To: Mark Brown <broonie@kernel.org>
Cc: "ulf.hansson@linaro.org" <ulf.hansson@linaro.org>,
	"lgirdwood@gmail.com" <lgirdwood@gmail.com>,
	"geert+renesas@glider.be" <geert+renesas@glider.be>,
	"magnus.damm@gmail.com" <magnus.damm@gmail.com>,
	"linux-mmc@vger.kernel.org" <linux-mmc@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"linux-renesas-soc@vger.kernel.org" 
	<linux-renesas-soc@vger.kernel.org>
Subject: RE: [PATCH/RFC v4 3/4] mmc: core: Call mmc_poweroff_nofity() if regulators are disabled
Date: Mon, 29 Jun 2020 02:49:30 +0000	[thread overview]
Message-ID: <TY2PR01MB36925C9FF9C023C9FAD63D13D86E0@TY2PR01MB3692.jpnprd01.prod.outlook.com> (raw)
In-Reply-To: <20200626151342.GF5289@sirena.org.uk>

Hi Mark,

> From: Mark Brown, Sent: Saturday, June 27, 2020 12:14 AM
> 
> On Fri, Jun 26, 2020 at 06:32:21PM +0900, Yoshihiro Shimoda wrote:
> > Note that this is possible to happen when the regulator-fixed driver
> > turns the vmmc and vqmmc off by firmware like PSCI while the system
> > is suspended.
> 
> This is not a good interface, if there's a need to query the state over
> suspend then we should query the state over suspend rather than trying
> to somehow shoehorn it via the runtime enable state which is going to
> break any other users and relies on the regulator driver doing dodgy
> stuff representing the enable state.

I understood it.
So, as I mentioned other email thread, I'm thinking adding a new property
into MMC is better.

Best regards,
Yoshihiro Shimoda


  reply	other threads:[~2020-06-29  2:49 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-26  9:32 [PATCH/RFC v4 0/4] treewide: add regulator condition on _mmc_suspend() Yoshihiro Shimoda
2020-06-26  9:32 ` [PATCH/RFC v4 1/4] regulator: core: add prepare and resume_early Yoshihiro Shimoda
2020-06-26 13:51   ` kernel test robot
2020-06-26 14:30   ` Mark Brown
2020-06-29  2:12     ` Yoshihiro Shimoda
2020-06-26  9:32 ` [PATCH/RFC v4 2/4] regulator: fixed: add regulator_ops members for suspend/resume Yoshihiro Shimoda
2020-06-26 14:39   ` Mark Brown
2020-06-29  2:42     ` Yoshihiro Shimoda
2020-06-29 12:57       ` Mark Brown
2020-06-29 13:40         ` Sudeep Holla
2020-06-29 14:15           ` Geert Uytterhoeven
2020-06-29 15:07             ` Sudeep Holla
2020-06-29 16:14               ` Mark Brown
2020-06-29 16:42                 ` Sudeep Holla
2020-06-29 17:26                   ` Mark Brown
2020-06-29 17:42                     ` Sudeep Holla
2020-06-30  8:29         ` Yoshihiro Shimoda
2020-06-26  9:32 ` [PATCH/RFC v4 3/4] mmc: core: Call mmc_poweroff_nofity() if regulators are disabled Yoshihiro Shimoda
2020-06-26 15:13   ` Mark Brown
2020-06-29  2:49     ` Yoshihiro Shimoda [this message]
2020-06-26 15:53   ` Sergei Shtylyov
2020-06-29  5:16     ` Yoshihiro Shimoda
2020-06-26  9:32 ` [PATCH/RFC v4 4/4] arm64: dts: renesas: add regulator-off-in-suspend property for eMMC Yoshihiro Shimoda
2020-06-26 10:13 ` [PATCH/RFC v4 0/4] treewide: add regulator condition on _mmc_suspend() Geert Uytterhoeven
2020-06-29 10:04   ` Yoshihiro Shimoda
2020-06-29 11:49     ` Geert Uytterhoeven
2020-06-30 13:19       ` Geert Uytterhoeven
2020-07-03 11:10         ` Yoshihiro Shimoda
2020-07-06 11:14           ` Geert Uytterhoeven
2020-08-11 13:50             ` E1000 s2idle crash (was: Re: [PATCH/RFC v4 0/4] treewide: add regulator condition on _mmc_suspend()) Geert Uytterhoeven
2020-08-17 12:00               ` Yoshihiro Shimoda
2020-08-27  9:15                 ` Geert Uytterhoeven
2020-08-27  9:16                   ` Geert Uytterhoeven

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