[PATCH v2] Revert "mmc: fsl_esdhc_imx: use VENDORSPEC_FRC_SDCLK_ON to control card clock output"

Bough Chen haibo.chen at nxp.com
Wed Jun 9 12:44:24 CEST 2021


> -----Original Message-----
> From: Jaehoon Chung [mailto:jh80.chung at samsung.com]
> Sent: 2021年6月9日 7:35
> To: Fabio Estevam <festevam at gmail.com>
> Cc: Bough Chen <haibo.chen at nxp.com>; Peng Fan <peng.fan at nxp.com>;
> u-boot at lists.denx.de; tharvey at gateworks.com
> Subject: Re: [PATCH v2] Revert "mmc: fsl_esdhc_imx: use
> VENDORSPEC_FRC_SDCLK_ON to control card clock output"
> 
> Hi Fabio,
> 
> On 6/9/21 6:47 AM, Fabio Estevam wrote:
> > Hi Jaehoon,
> >
> > On Mon, Jun 7, 2021 at 11:50 PM Jaehoon Chung
> <jh80.chung at samsung.com> wrote:
> >
> >> Is your target success to boot finally after 20sec?
> >
> > Yes, it boots fine after 20s.
> >
> >> I didn't have target to use fsl_esdhc_imx driver.
> >>
> >> If booted after 20sec, how about below code?
> >>
> >> #ifdef CONFIG_FSL_ESDHC_IMX_TIMEOUT
> >> #define FSL_ESDHC_IMX_TIMEOUT
> CONFIG_FSL_ESDHC_IMX_TIMEOUT
> >> #else
> >> #define FSL_ESDHC_IMX_TIMEOUT 0
> >> #endif
> >>
> >>
> >> ret = readx_poll_timeout(..., FSL_ESDHC_IMX_TIMEOUT); if
> >> (FSL_ESDHC_IMX_TIMEOUT && ret)
> >>         pr_warn("...");
> >
> > Thanks for the suggestion, but it didn't work.
> 
> If i find a board to use fs_esdhc_imx driver, I will check more.
> I hope that Bough will suggest better solution to satisfy both case.

Give me a few days, I'm busy these days, will do when I have time.

Best Regards
Bough
> 
> Best Regards,
> Jaehoon Chung
> 
> >

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