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From: "Peng Fan (OSS)" <peng.fan@oss.nxp.com>
To: Fabio Estevam <festevam@gmail.com>, Bough Chen <haibo.chen@nxp.com>
Cc: Peng Fan <peng.fan@nxp.com>,
	"u-boot@lists.denx.de" <u-boot@lists.denx.de>,
	"tharvey@gateworks.com" <tharvey@gateworks.com>
Subject: Re: [PATCH v2] Revert "mmc: fsl_esdhc_imx: use VENDORSPEC_FRC_SDCLK_ON to control card clock output"
Date: Tue, 15 Jun 2021 08:23:38 +0800	[thread overview]
Message-ID: <0bd9562e-0644-fc75-22a3-e74deb3c45e8@oss.nxp.com> (raw)
In-Reply-To: <CAOMZO5CBdocbmmnG3Dd06PhOFoMHSc15cYwP=sGEvu3=79HVeg@mail.gmail.com>

Hi Fabio

On 2021/6/8 10:07, Fabio Estevam wrote:
> Hi Haibo,
> 
> On Mon, Jun 7, 2021 at 10:57 PM Bough Chen <haibo.chen@nxp.com> wrote:
> 
>> Hi Fabio,
>>
>> Force clock on did help us fix some issue, like voltage switch for UHS card.
>> According to your commit log, seems this patch affect the booting time, do
>> you mean
>> the API readx_poll_timeout() cost a lot time? Can you show us the detail
>> info about
>> booting time effected by this patch?
> 
> If I revert the patch SPL/U-Boot boot in one second.
> 
> With this patch, it takes around 20 seconds, which is unacceptable.

Do you have a chance to see where it consumes so much time?

Thanks,
Peng.

> 
> Thanks
> 

  parent reply	other threads:[~2021-06-15  0:23 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-07 20:40 [PATCH v2] Revert "mmc: fsl_esdhc_imx: use VENDORSPEC_FRC_SDCLK_ON to control card clock output" Fabio Estevam
2021-06-08  1:57 ` Bough Chen
2021-06-08  2:07   ` Fabio Estevam
2021-06-08  2:50     ` Jaehoon Chung
2021-06-08 21:47       ` Fabio Estevam
2021-06-08 23:35         ` Jaehoon Chung
2021-06-09 10:44           ` Bough Chen
2021-06-14 15:15             ` Fabio Estevam
2021-06-15  0:23     ` Peng Fan (OSS) [this message]
2021-06-17 19:19       ` Fabio Estevam
2021-06-17 21:42         ` Jaehoon Chung
2021-06-20 16:45 ` Pierre-Jean Texier
2021-06-21 20:19   ` Fabio Estevam
2021-06-22  3:35 ` Peng Fan (OSS)

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