[Linux-stm32] [PATCH 0/4] mmc: mmci: add busy detect for stm32 sdmmc variant

Ludovic BARRE ludovic.barre at st.com
Thu Apr 11 12:37:17 UTC 2019


Hi Ulf

Just a gentleman ping about this series.
I sent this series at same time of dt_mode
(no dependence between both).

BR
Ludo

On 3/5/19 5:10 PM, Ludovic Barre wrote:
> From: Ludovic Barre <ludovic.barre at st.com>
> 
> This patch series adds busy detect for stm32 sdmmc variant.
> Some adaptations are required:
> -Avoid to check and poll busy status when is not expected.
> -Clear busy status bit if busy_detect_flag and busy_detect_mask are
>   different.
> -Add hardware busy timeout with MMCIDATATIMER register.
> 
> Ludovic Barre (4):
>    mmc: mmci: avoid fake busy polling
>    mmc: mmci: fix clear of busy detect status
>    mmc: mmci: add hardware busy timeout feature
>    mmc: mmci: add busy detect for stm32 sdmmc variant
> 
>   drivers/mmc/host/mmci.c | 67 +++++++++++++++++++++++++++++++++++++++----------
>   drivers/mmc/host/mmci.h |  3 +++
>   2 files changed, 57 insertions(+), 13 deletions(-)
> 



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