> +static int ulpi_poll(void __iomem *view, u32 bit)
> +{
> + uint32_t data;
> + int timeout = 10000;
> +
> + data = __raw_readl(view);
> + while (data & bit) {
> + if (!timeout--) {
> + printk(KERN_WARNING
> + "timeout polling for ULPI device\n");
> + return -ETIMEDOUT;
> + }
> +
> + udelay(10);
> + data = __raw_readl(view);
> + }
> +
> + return (data >> ULPIVW_RDATA_SHIFT) & ULPIVW_RDATA_MASK;
> +}
> +
Hi Daniel, I have seen couple of code snippets using the same method
of timing out in 10000 iterations for ulpi polling;
is it specified in ulpi spec, or controller spec to use this method?
How do you say 10000 iterations are sufficient?
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