Re: [PATCH] mmc: xenon_sdhci: remove wait_dat0 SDHCI OP

2022-03-16 Thread Jaehoon Chung
On 3/15/22 21:22, Tom Rini wrote: > On Tue, Mar 15, 2022 at 10:47:57AM +0100, Robert Marko wrote: >> On Mon, Mar 14, 2022 at 2:10 PM Tom Rini wrote: >>> >>> On Mon, Mar 14, 2022 at 06:37:02PM +0900, Jaehoon Chung wrote: On 3/12/22 03:14, Robert Marko wrote: > Generic SDHCI driver received

Re: [PATCH] mmc: xenon_sdhci: remove wait_dat0 SDHCI OP

2022-03-15 Thread Tom Rini
On Tue, Mar 15, 2022 at 10:47:57AM +0100, Robert Marko wrote: > On Mon, Mar 14, 2022 at 2:10 PM Tom Rini wrote: > > > > On Mon, Mar 14, 2022 at 06:37:02PM +0900, Jaehoon Chung wrote: > > > On 3/12/22 03:14, Robert Marko wrote: > > > > Generic SDHCI driver received support for checking the busy sta

Re: [PATCH] mmc: xenon_sdhci: remove wait_dat0 SDHCI OP

2022-03-15 Thread Robert Marko
On Mon, Mar 14, 2022 at 2:10 PM Tom Rini wrote: > > On Mon, Mar 14, 2022 at 06:37:02PM +0900, Jaehoon Chung wrote: > > On 3/12/22 03:14, Robert Marko wrote: > > > Generic SDHCI driver received support for checking the busy status by > > > polling the DAT[0] level instead of waiting for the worst M

Re: [PATCH] mmc: xenon_sdhci: remove wait_dat0 SDHCI OP

2022-03-14 Thread Tom Rini
On Mon, Mar 14, 2022 at 06:37:02PM +0900, Jaehoon Chung wrote: > On 3/12/22 03:14, Robert Marko wrote: > > Generic SDHCI driver received support for checking the busy status by > > polling the DAT[0] level instead of waiting for the worst MMC switch time. > > > > Unfortunately, it appears that thi

Re: [PATCH] mmc: xenon_sdhci: remove wait_dat0 SDHCI OP

2022-03-14 Thread Stefan Roese
On 3/11/22 19:14, Robert Marko wrote: Generic SDHCI driver received support for checking the busy status by polling the DAT[0] level instead of waiting for the worst MMC switch time. Unfortunately, it appears that this does not work for Xenon controllers despite being a part of the standard SDHC

Re: [PATCH] mmc: xenon_sdhci: remove wait_dat0 SDHCI OP

2022-03-14 Thread Jaehoon Chung
On 3/12/22 03:14, Robert Marko wrote: > Generic SDHCI driver received support for checking the busy status by > polling the DAT[0] level instead of waiting for the worst MMC switch time. > > Unfortunately, it appears that this does not work for Xenon controllers > despite being a part of the stand

Re: [PATCH] mmc: xenon_sdhci: remove wait_dat0 SDHCI OP

2022-03-12 Thread Marek Behún
On Fri, 11 Mar 2022 19:52:40 +0100 Pali Rohár wrote: > + Marek > > Xenon eMMC is broken in U-Boot, could you check / verify it on A3720 eMMC > based board? I can confirm this. I also had to workaround this issue, I reverted the commit adding support for wait_dat0 in my internal repo. For now

Re: [PATCH] mmc: xenon_sdhci: remove wait_dat0 SDHCI OP

2022-03-11 Thread Pali Rohár
+ Marek Xenon eMMC is broken in U-Boot, could you check / verify it on A3720 eMMC based board? On Friday 11 March 2022 19:14:07 Robert Marko wrote: > Generic SDHCI driver received support for checking the busy status by > polling the DAT[0] level instead of waiting for the worst MMC switch time.

[PATCH] mmc: xenon_sdhci: remove wait_dat0 SDHCI OP

2022-03-11 Thread Robert Marko
Generic SDHCI driver received support for checking the busy status by polling the DAT[0] level instead of waiting for the worst MMC switch time. Unfortunately, it appears that this does not work for Xenon controllers despite being a part of the standard SDHCI registers and the Armada 3720 datashee