Re: [PATCH 1/4] mmc: mmci: avoid fake busy polling

2019-04-25 Thread Ulf Hansson
On Thu, 25 Apr 2019 at 16:09, Ludovic BARRE wrote: > > > On 4/25/19 12:08 PM, Ulf Hansson wrote: > > On Thu, 25 Apr 2019 at 11:22, Ludovic BARRE wrote: > >> > >> hi Ulf > >> > >> On 4/23/19 3:39 PM, Ulf Hansson wrote: > >>> On Tue, 5 Mar 2019 at 17:10, Ludovic Barre wrote: > > From: Lu

Re: [PATCH 1/4] mmc: mmci: avoid fake busy polling

2019-04-25 Thread Ludovic BARRE
On 4/25/19 12:08 PM, Ulf Hansson wrote: On Thu, 25 Apr 2019 at 11:22, Ludovic BARRE wrote: hi Ulf On 4/23/19 3:39 PM, Ulf Hansson wrote: On Tue, 5 Mar 2019 at 17:10, Ludovic Barre wrote: From: Ludovic Barre The busy status bit could occurred even if no busy response is expected (examp

Re: [PATCH 1/4] mmc: mmci: avoid fake busy polling

2019-04-25 Thread Ulf Hansson
On Thu, 25 Apr 2019 at 11:22, Ludovic BARRE wrote: > > hi Ulf > > On 4/23/19 3:39 PM, Ulf Hansson wrote: > > On Tue, 5 Mar 2019 at 17:10, Ludovic Barre wrote: > >> > >> From: Ludovic Barre > >> > >> The busy status bit could occurred even if no busy response is > >> expected (example cmd11). On

Re: [PATCH 1/4] mmc: mmci: avoid fake busy polling

2019-04-25 Thread Ludovic BARRE
hi Ulf On 4/23/19 3:39 PM, Ulf Hansson wrote: On Tue, 5 Mar 2019 at 17:10, Ludovic Barre wrote: From: Ludovic Barre The busy status bit could occurred even if no busy response is expected (example cmd11). On sdmmc variant, the busy_detect_flag reflects inverted value of d0 state, it's sampl

Re: [PATCH 1/4] mmc: mmci: avoid fake busy polling

2019-04-23 Thread Ulf Hansson
On Tue, 5 Mar 2019 at 17:10, Ludovic Barre wrote: > > From: Ludovic Barre > > The busy status bit could occurred even if no busy response is > expected (example cmd11). On sdmmc variant, the busy_detect_flag > reflects inverted value of d0 state, it's sampled at the end of a > CMD response and a

Re: [PATCH 1/4] mmc: mmci: avoid fake busy polling

2019-03-07 Thread Linus Walleij
On Wed, Mar 6, 2019 at 11:09 AM Ludovic BARRE wrote: > I could have a snowball board, I don't remember if it a ux500v1 or v2? I think they are all v2. > This board has been removed of u-boot mainline, do you have a specific > repository for snowball or what branch do you advise? > do you have a

Re: [PATCH 1/4] mmc: mmci: avoid fake busy polling

2019-03-06 Thread Ludovic BARRE
Hi Ulf I could have a snowball board, I don't remember if it a ux500v1 or v2? This board has been removed of u-boot mainline, do you have a specific repository for snowball or what branch do you advise? do you have a snowball wiki (up-to-date) for flashing... BR Ludo On 3/6/19 10:49 AM, Ulf Hans

Re: [PATCH 1/4] mmc: mmci: avoid fake busy polling

2019-03-06 Thread Ulf Hansson
On Wed, 6 Mar 2019 at 10:04, Ludovic BARRE wrote: > > Hi Ulf > > On 3/6/19 10:00 AM, Ulf Hansson wrote: > > On Tue, 5 Mar 2019 at 17:10, Ludovic Barre wrote: > >> > >> From: Ludovic Barre > >> > >> The busy status bit could occurred even if no busy response is > >> expected (example cmd11). On s

Re: [PATCH 1/4] mmc: mmci: avoid fake busy polling

2019-03-06 Thread Ludovic BARRE
Hi Ulf On 3/6/19 10:00 AM, Ulf Hansson wrote: On Tue, 5 Mar 2019 at 17:10, Ludovic Barre wrote: From: Ludovic Barre The busy status bit could occurred even if no busy response is expected (example cmd11). On sdmmc variant, the busy_detect_flag reflects inverted value of d0 state, it's sampl

Re: [PATCH 1/4] mmc: mmci: avoid fake busy polling

2019-03-06 Thread Ulf Hansson
On Tue, 5 Mar 2019 at 17:10, Ludovic Barre wrote: > > From: Ludovic Barre > > The busy status bit could occurred even if no busy response is > expected (example cmd11). On sdmmc variant, the busy_detect_flag > reflects inverted value of d0 state, it's sampled at the end of a > CMD response and a