Dear krzysztof: > >>> + int dma_int_threshold; > >>> + struct sg_mapping_iter sg_miter; /* for pio mode to access sglist */ > >>> + int dma_use_int; /* should raise irq when dma done */ > >>> + struct spmmc_tuning_info emmc_tuning_info; > >>> + struct spsdc_tuning_info sd_tuning_info; > >>> + int restore_4bit_sdio_bus; > >>> + const struct spmmc_compatible *dev_comp; }; > >>> + > >>> +struct spsdc_host { > >> > >> Where is this used? > >> > > > > struct spmmc_host{} for emmc. > > struct spsdc_host{} for SD card. > > The register base address and offset address of emmc and sd cards are > different. > > eMMC and sdcard are their respective hardware settings. > > > This is a weird answer. I asked where is this used (struct spsdc_host). > There is no single reference of this type. Your answer does not cover it all. I > know that eMMC and SD are different. That was not the question. > The question is: point me to the code which uses this type. > Sorry, I will remove struct spsdc_host {}.