ANSEL_REG
writel(mask, bank->reg_base + PIC32_CLR(ANSEL_REG));
arg = !(readl(bank->reg_base + ANSEL_REG) & mask);
arg = !!(readl(bank->reg_base + ANSEL_REG) & mask);
writel(mask, bank->reg_base + PIC32_CLR(ANSEL_REG));
writel(mask, bank->reg_base + PIC32_SET(ANSEL_REG));