{
unsigned long rate;
struct clk *clksrc = ourhost->clk_bus[src];
- int div;
+ int shift;
if (!clksrc)
return UINT_MAX;
rate = clk_get_rate(clksrc);
- for (div = 1; div < 256; div *= 2) {
- if ((rate / div) <= wanted)
+ for (shift = 0; shift < 8; ++shift) {
+ if ((rate >> shift) <= wanted)
break;
}
dev_dbg(&ourhost->pdev->dev, "clk %d: rate %ld, want %d, got %ld\n",
- src, rate, wanted, rate / div);
+ src, rate, wanted, rate >> shift);
- return wanted - (rate / div);
+ return wanted - (rate >> shift);
}
/**