writel/readl work now

static int setup_mio_pin_and_reset_usb(void){

static int setup_mio_pin_and_reset_usb(void){

	u32 reg_value;

	u32 reg_value;

	void __iomem* emio_ptr = ioremap(0xe000a000, 0x00000300);

	if (!emio_ptr) {

		pr_err("Failed to get a pointer to the EMIO registers");

		return -1;

	}

	const u32 newvalue = 0x1<<17;

	const u32 newvalue = 0x1<<17;

	reg_value = readl(0xe000a244);

	reg_value = readl(emio_ptr+0x244);

	writel(reg_value|newvalue,0xe000a244);

	pr_debug("read DIR reg: 0x%08x\n",reg_value);

	writel(reg_value|newvalue,emio_ptr+0x244);

	udelay(10);

	udelay(10);

	reg_value = readl(0xe000a248);

	reg_value = readl(emio_ptr+0x248);

	writel(reg_value|newvalue,0xe000a248);

	pr_debug("read EN reg: 0x%08x\n",reg_value);

	writel(reg_value|newvalue,emio_ptr+0x248);

	udelay(10);

	udelay(10);

	reg_value = readl(0xe000a044);

	reg_value = readl(emio_ptr+0x44);

	writel(reg_value&(~newvalue),0xe000a044);

	pr_debug("read OUT reg: 0x%08x\n",reg_value);

	writel(reg_value&(~newvalue),emio_ptr+0x44);

	udelay(10);

	udelay(10);

	writel(reg_value|newvalue,0xe000a044);

	writel(reg_value|newvalue,emio_ptr+0x44);

	reg_value = readl(0xe000a064);

	reg_value = readl(emio_ptr+0x64);

	pr_debug("read IN reg (correct value: 0x00020000): 0x%08x\n",reg_value);

	iounmap(emio_ptr);

	return 0;

	return 0;

}

}