-static int wait_for_bit(void *reg, const uint32_t mask, bool set)
-{
- unsigned int timeout = 1000000;
- uint32_t val;
-
- while (--timeout) {
- val = readl(reg);
- if (!set)
- val = ~val;
-
- if ((val & mask) == mask)
- return 0;
-
- udelay(1);
- }
-
- debug("%s: Timeout (reg=%p mask=%08x wait_set=%i)\n",
- __func__, reg, mask, set);
-
- return -ETIMEDOUT;
-}