MSDC_PATCH_BIT1
writel(pb1_val, host->base + MSDC_PATCH_BIT1);
sdr_set_field(host->base + MSDC_PATCH_BIT1, MSDC_PATCH_BIT1_CMDTA, 2);
sdr_set_bits(host->base + MSDC_PATCH_BIT1, MSDC_PB1_BUSY_CHECK_SEL);
sdr_clr_bits(host->base + MSDC_PATCH_BIT1, MSDC_PB1_BUSY_CHECK_SEL);
host->save_para.patch_bit1 = readl(host->base + MSDC_PATCH_BIT1);
writel(host->save_para.patch_bit1, host->base + MSDC_PATCH_BIT1);