On Fri, 26 Apr 2019 at 09:46, Ludovic Barre <ludovic.Barre@xxxxxx> wrote: > > From: Ludovic Barre <ludovic.barre@xxxxxx> > > 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. > > V2: > -mmci_cmd_irq cleanup in separate patch. > -simplify the busy_detect_flag exclude > -replace sdmmc specific comment in > "mmc: mmci: avoid fake busy polling in mmci_irq" > to focus on common behavior > > Ludovic Barre (5): > mmc: mmci: cleanup mmci_cmd_irq for busy detect feature > mmc: mmci: avoid fake busy polling in mmci_irq > 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 | 61 ++++++++++++++++++++++++++++++++++++++----------- > drivers/mmc/host/mmci.h | 3 +++ > 2 files changed, 51 insertions(+), 13 deletions(-) > > -- > 2.7.4 > Ludovic, just wanted to let you know that I am reviewing and testing this series. However, while running some tests on Ux500 for validating the busy detection code, even without your series applied, I encounter some odd behaviors. I am looking into the problem to understand better and will let you know as soon as I have some more data to share. Kind regards Uffe
