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From: Wolfram Sang <wsa+renesas@sang-engineering.com>
To: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Cc: "linux-mmc@vger.kernel.org" <linux-mmc@vger.kernel.org>,
	"linux-renesas-soc@vger.kernel.org" 
	<linux-renesas-soc@vger.kernel.org>
Subject: Re: [PATCH 2/2] mmc: renesas_sdhi: keep SCC clock active when tuning
Date: Mon, 8 Jun 2020 23:27:02 +0200	[thread overview]
Message-ID: <20200608212702.GD917@ninjato> (raw)
In-Reply-To: <TY2PR01MB36923A1D7091431CE3F73195D8850@TY2PR01MB3692.jpnprd01.prod.outlook.com>

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> > +	/* Tuning done, no special handling for SCC clock needed anymore */
> > +	priv->keep_scc_freq = false;
> > +
> 
> Setting keep_scc_freq to false is only here. But, I'm thinking
> we should set it in some error paths like below somehow too:
>  - error paths before hs400_complete() in mmc_select_hs400().
>  - error path of mmc_execute_tuning() in mmc_retune().

Hmm, I guess you are right. That would kind of spoil my approach taken
here. Maybe we need another flag in the core like 'doing_tune' to
supplement 'doing_retune', so or driver knows when any kind of tuning is
going on?


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  reply	other threads:[~2020-06-08 21:27 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-04 11:20 [PATCH 0/2] renesas_sdhi: fix hang when SCC loses its clock Wolfram Sang
2020-06-04 11:20 ` [PATCH 1/2] mmc: core: when downgrading HS400, callback into drivers earlier Wolfram Sang
2020-06-08  6:02   ` Yoshihiro Shimoda
2020-06-08 20:41     ` Wolfram Sang
2020-06-09 10:35       ` Yoshihiro Shimoda
2020-06-04 11:20 ` [PATCH 2/2] mmc: renesas_sdhi: keep SCC clock active when tuning Wolfram Sang
2020-06-08  6:35   ` Yoshihiro Shimoda
2020-06-08 21:27     ` Wolfram Sang [this message]
2020-06-09 10:41       ` Yoshihiro Shimoda
2020-08-14  7:15         ` Wolfram Sang
2020-08-28  0:51           ` Yoshihiro Shimoda
2020-09-01 10:24             ` Wolfram Sang
2020-09-01 13:39               ` Wolfram Sang

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