MSDC_PATCH_BIT2
pb2_val = readl(host->base + MSDC_PATCH_BIT2);
writel(pb2_val, host->base + MSDC_PATCH_BIT2);
sdr_set_field(host->base + MSDC_PATCH_BIT2, MSDC_PB2_CFGCRCSTSEDGE, value);
sdr_clr_bits(host->base + MSDC_PATCH_BIT2, MSDC_PATCH_BIT2_CFGCRCSTS);
host->save_para.patch_bit2 = readl(host->base + MSDC_PATCH_BIT2);
writel(host->save_para.patch_bit2, host->base + MSDC_PATCH_BIT2);