Re: [PATCH 2/2] mmc: fsl_esdhc: make sure delay chain locked for HS400

2020-10-20 Thread Jaehoon Chung
On 10/20/20 12:20 PM, Y.b. Lu wrote: > Hi Jaehoon, > >> -Original Message- >> From: Jaehoon Chung >> Sent: Tuesday, October 20, 2020 5:52 AM >> To: Y.b. Lu ; u-boot@lists.denx.de; Peng Fan >> >> Subject: Re: [PATCH 2/2] mmc: fsl_esdhc:

RE: [PATCH 2/2] mmc: fsl_esdhc: make sure delay chain locked for HS400

2020-10-19 Thread Y.b. Lu
Hi Jaehoon, > -Original Message- > From: Jaehoon Chung > Sent: Tuesday, October 20, 2020 5:52 AM > To: Y.b. Lu ; u-boot@lists.denx.de; Peng Fan > > Subject: Re: [PATCH 2/2] mmc: fsl_esdhc: make sure delay chain locked for > HS400 > > Dear Yangbo, > >

Re: [PATCH 2/2] mmc: fsl_esdhc: make sure delay chain locked for HS400

2020-10-19 Thread Jaehoon Chung
Dear Yangbo, On 10/16/20 12:13 PM, Yangbo Lu wrote: > For eMMC HS400 mode, the DLL reset is a required step for mmc rescan. > This step has not been documented in reference manual, but the RM will > be fixed sooner or later. > > This patch is to add the step of DLL reset, and make sure delay

[PATCH 2/2] mmc: fsl_esdhc: make sure delay chain locked for HS400

2020-10-15 Thread Yangbo Lu
For eMMC HS400 mode, the DLL reset is a required step for mmc rescan. This step has not been documented in reference manual, but the RM will be fixed sooner or later. This patch is to add the step of DLL reset, and make sure delay chain locked for HS400. Fixes: db8f93672b42 ("mmc: fsl_esdhc: