[U-Boot] [PATCH v3 1/2] usb: zynqmp: Add XHCI driver support

[Marek Vasut <marex@denx.de>]

On Thursday, September 03, 2015 at 11:19:01 AM, Siva Durga Prasad Paladugu 
wrote:
> Added USB XHCI driver support for zynqmp.
> 
> Signed-off-by: Siva Durga Prasad Paladugu <sivadur@xilinx.com>

Hi,

is this V3 in any way different from the previous V3 ?

[...]

> +int xhci_hcd_init(int index, struct xhci_hccr **hccr, struct xhci_hcor
> **hcor) +{
> +	struct zynqmp_xhci *ctx = &zynqmp_xhci;
> +	int ret = 0;

You should sanitize the index here:

if (index < 0 || index > ARRAY_SIZE(ctr_addr))
	return -EINVAL;

> +	ctx->hcd = (struct xhci_hccr *)ctr_addr[index];
> +	ctx->dwc3_reg = (struct dwc3 *)((char *)(ctx->hcd) + DWC3_REG_OFFSET);
> +
> +	ret = board_usb_init(index, USB_INIT_HOST);
> +	if (ret != 0) {
> +		puts("Failed to initialize board for USB\n");
> +		return ret;
> +	}
> +
> +	ret = zynqmp_xhci_core_init(ctx);
> +	if (ret < 0) {
> +		puts("Failed to initialize xhci\n");
> +		return ret;
> +	}
> +
> +	*hccr = (struct xhci_hccr *)ctx->hcd;
> +	*hcor = (struct xhci_hcor *)((uint32_t) *hccr
> +				+ HC_LENGTH(xhci_readl(&(*hccr)->cr_capbase)));
> +
> +	debug("zynqmp-xhci: init hccr %x and hcor %x hc_length %d\n",
> +	      (uint32_t)*hccr, (uint32_t)*hcor,
> +	      (uint32_t)HC_LENGTH(xhci_readl(&(*hccr)->cr_capbase)));
> +
> +	return ret;
> +}
Otherwise,

Acked-by: Marek Vasut <marex@denx.de>

Best regards,
Marek Vasut