Re: [RFC PATCH 2/2] mmc: sdhci: Quirk for AMD SDHC Device 0x7906

2019-06-03 Thread Raul Rangel
On Tue, May 28, 2019 at 09:41:07AM +0200, Ulf Hansson wrote: > On Wed, 1 May 2019 at 19:55, Raul E Rangel wrote: > > > > AMD SDHC 0x7906 requires a hard reset to clear all internal state. > > Otherwise it can get into a bad state where the DATA lines are always > > read as zeros. > > > > This chan

Re: [RFC PATCH 2/2] mmc: sdhci: Quirk for AMD SDHC Device 0x7906

2019-05-28 Thread Ulf Hansson
On Wed, 1 May 2019 at 19:55, Raul E Rangel wrote: > > AMD SDHC 0x7906 requires a hard reset to clear all internal state. > Otherwise it can get into a bad state where the DATA lines are always > read as zeros. > > This change requires firmware that can transition the device into > D3Cold for it to

Re: [RFC PATCH 2/2] mmc: sdhci: Quirk for AMD SDHC Device 0x7906

2019-05-12 Thread Adrian Hunter
On 12/05/19 8:04 PM, S-k, Shyam-sundar wrote: > On 5/2/2019 12:02 PM, Adrian Hunter wrote: >> Cc: some AMD people >> >> On 1/05/19 8:54 PM, Raul E Rangel wrote: >>> AMD SDHC 0x7906 requires a hard reset to clear all internal state. >>> Otherwise it can get into a bad state where the DATA lines are

Re: [RFC PATCH 2/2] mmc: sdhci: Quirk for AMD SDHC Device 0x7906

2019-05-12 Thread S-k, Shyam-sundar
On 5/2/2019 12:02 PM, Adrian Hunter wrote: > Cc: some AMD people > > On 1/05/19 8:54 PM, Raul E Rangel wrote: >> AMD SDHC 0x7906 requires a hard reset to clear all internal state. >> Otherwise it can get into a bad state where the DATA lines are always >> read as zeros. >> >> This change requires f

Re: [RFC PATCH 2/2] mmc: sdhci: Quirk for AMD SDHC Device 0x7906

2019-05-02 Thread Raul Rangel
Ou Thu, May 02, 2019 at 09:32:16AM +0300, Adrian Hunter wrote: Gene or Chris, Can you sign off on the patch. Thanks, Raul > Cc: some AMD people > > On 1/05/19 8:54 PM, Raul E Rangel wrote: > > AMD SDHC 0x7906 requires a hard reset to clear all internal state. > > Otherwise it can get into a bad

Re: [RFC PATCH 2/2] mmc: sdhci: Quirk for AMD SDHC Device 0x7906

2019-05-01 Thread Adrian Hunter
Cc: some AMD people On 1/05/19 8:54 PM, Raul E Rangel wrote: > AMD SDHC 0x7906 requires a hard reset to clear all internal state. > Otherwise it can get into a bad state where the DATA lines are always > read as zeros. > > This change requires firmware that can transition the device into > D3Cold