From: Daniel Beer <dlbeer@gmail.com>
To: Ben Chuang <benchuanggli@gmail.com>
Cc: adrian.hunter@intel.com, ben.chuang@genesyslogic.com.tw,
linux-kernel@vger.kernel.org, linux-mmc@vger.kernel.org,
ulf.hansson@linaro.org
Subject: Re: [PATCH] mmc: sdhci-pci-gli: increase 1.8V regulator wait
Date: Mon, 26 Apr 2021 20:25:26 +1200 [thread overview]
Message-ID: <20210426082526.GA16240@nyquist.nev> (raw)
In-Reply-To: <20210426073251.7726-1-benchuanggli@gmail.com>
On Mon, Apr 26, 2021 at 03:32:51PM +0800, Ben Chuang wrote:
> > The driver currently waits 5ms after switching on the 1.8V regulator for
> > it to become stable. Increasing this to 10ms gets rid of the warning
> > about stability, but most cards still fail. Increasing it to 20ms gets
> > some cards working (a 32GB Samsung micro SD works, a 128GB ADATA
> > doesn't). At 50ms, the ADATA works most of the time, and at 100ms both
> > cards work reliably.
>
> If it is convenient, can you provide the appearance pictures and product
> links of these two cards? We want to buy them.
Hi Ben,
The first is a Samsung EVO microSDXC 32GB:
https://www.samsung.com/nz/memory-storage/memory-card/evo-plus-microsd-card-95-mbs-sd-adapter-32gb-mb-mc32ga-apc/
The second is an ADATA Premier Pro SDXC UHS-I U3 Class 10 (V30S) 128GB:
https://www.adata.com/us/consumer/289
The images on those two pages match what I have in front of me here.
Cheers,
Daniel
--
Daniel Beer <dlbeer@gmail.com> http://dlbeer.co.nz/
PGP: BA6E 0B26 1F89 246C E3F3 C910 1E58 C43A 160A 553B
next prev parent reply other threads:[~2021-04-26 8:25 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-24 8:16 [PATCH] mmc: sdhci-pci-gli: increase 1.8V regulator wait Daniel Beer
2021-04-26 7:32 ` Ben Chuang
2021-04-26 8:25 ` Daniel Beer [this message]
2021-05-11 10:56 ` Ulf Hansson
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