From: Ivan T. Ivanov <iivanov@suse.de>
To: linux-arm-kernel@lists.infradead.org
Cc: f.fainelli@gmail.com, phil@raspberrypi.com,
tim.gover@raspberrypi.com, alcooperx@gmail.com,
linux-kernel@vger.kernel.org, robh@kernel.org
Subject: Re: [PATCH 2/3] mmc: sdhci-iproc: Cap min clock frequency on BCM2711
Date: Fri, 30 Jul 2021 09:44:46 +0300 [thread overview]
Message-ID: <162762748622.3125.137344719218385028@localhost> (raw)
In-Reply-To: <25e9fc3bedd8f97dd151b1f36d752f032c6ec628.camel@suse.de>
Hi Nicolas,
Quoting Nicolas Saenz Julienne (2021-04-07 11:44:39)
> On Tue, 2021-04-06 at 19:59 +0200, Stefan Wahren wrote:
> > Hi Nicolas,
> >
> > Am 06.04.21 um 12:48 schrieb Nicolas Saenz Julienne:
> > > There is a known bug on BCM2711's SDHCI core integration where the
> > > controller will hang when the difference between the core clock and the
> > > bus clock is too great. Specifically this can be reproduced under the
> > > following conditions:
> > >
> > > - No SD card plugged in, polling thread is running, probing cards at
> > > 100KHz.
> > > - BCM2711's core clock configured at 500MHz or more.
> > >
> > > So set 200MHz as the minimum clock frequency available for that board.
> > i think it should be 200 kHz?
>
> Of course... Sorry for that.
>
What is the plan for this patch?
Thanks,
Ivan
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next prev parent reply other threads:[~2021-07-30 6:46 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-06 10:47 [PATCH 0/3] BCM2711 sdhci-iproc improvements Nicolas Saenz Julienne
2021-04-06 10:48 ` [PATCH 1/3] dt-bindings: mmc: iproc-sdhci: Convert to json-schema Nicolas Saenz Julienne
2021-04-09 16:18 ` Rob Herring
2021-04-12 7:52 ` Ulf Hansson
2021-04-12 8:13 ` nicolas saenz julienne
2021-04-06 10:48 ` [PATCH 2/3] mmc: sdhci-iproc: Cap min clock frequency on BCM2711 Nicolas Saenz Julienne
2021-04-06 17:59 ` Stefan Wahren
2021-04-07 8:44 ` Nicolas Saenz Julienne
2021-07-30 6:44 ` Ivan T. Ivanov [this message]
2021-04-06 10:48 ` [PATCH 3/3] mmc: sdhci-iproc: Set SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN " Nicolas Saenz Julienne
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