Jisheng Zhang <Jisheng.Zhang@xxxxxxxxxxxxx> 于2019年12月3日周二 上午10:47写道： > > On Mon, 2 Dec 2019 22:41:04 +0800 Jun Nie wrote: > > > > > > > > DMA memory cannot cross specific boundary for some SDHCI controller, > > such as DesignWare SDHCI controller. Add DMA memory boundary dt > > property and workaround the limitation. > > IMHO, the workaround could be implemented in each SDHCI host driver. > > eg. drivers/mmc/host/sdhci-of-dwcmshc.c > Thanks for the suggestion! Christoph's suggestion can prevent the the issue from the block layer, thus the code can be shared across all controllers. I prefer his suggestions. Jun
