n = reg >> nkm->n.shift;
n &= (1 << nkm->n.width) - 1;
+ n += nkm->n.offset;
+ if (!n)
+ n++;
k = reg >> nkm->k.shift;
k &= (1 << nkm->k.width) - 1;
+ k += nkm->k.offset;
+ if (!k)
+ k++;
m = reg >> nkm->m.shift;
m &= (1 << nkm->m.width) - 1;
+ m += nkm->m.offset;
+ if (!m)
+ m++;
- return parent_rate * (n + 1) * (k + 1) / (m + 1);
+ return parent_rate * n * k / m;
}
static unsigned long ccu_nkm_round_rate(struct ccu_mux_internal *mux,
struct _ccu_nkm _nkm;
_nkm.min_n = nkm->n.min;
- _nkm.max_n = 1 << nkm->n.width;
+ _nkm.max_n = nkm->n.max ?: 1 << nkm->n.width;
_nkm.min_k = nkm->k.min;
- _nkm.max_k = 1 << nkm->k.width;
+ _nkm.max_k = nkm->k.max ?: 1 << nkm->k.width;
_nkm.min_m = 1;
_nkm.max_m = nkm->m.max ?: 1 << nkm->m.width;
u32 reg;
_nkm.min_n = nkm->n.min;
- _nkm.max_n = 1 << nkm->n.width;
+ _nkm.max_n = nkm->n.max ?: 1 << nkm->n.width;
_nkm.min_k = nkm->k.min;
- _nkm.max_k = 1 << nkm->k.width;
+ _nkm.max_k = nkm->k.max ?: 1 << nkm->k.width;
_nkm.min_m = 1;
_nkm.max_m = nkm->m.max ?: 1 << nkm->m.width;
reg &= ~GENMASK(nkm->k.width + nkm->k.shift - 1, nkm->k.shift);
reg &= ~GENMASK(nkm->m.width + nkm->m.shift - 1, nkm->m.shift);
- reg |= (_nkm.n - 1) << nkm->n.shift;
- reg |= (_nkm.k - 1) << nkm->k.shift;
- reg |= (_nkm.m - 1) << nkm->m.shift;
-
+ reg |= (_nkm.n - nkm->n.offset) << nkm->n.shift;
+ reg |= (_nkm.k - nkm->k.offset) << nkm->k.shift;
+ reg |= (_nkm.m - nkm->m.offset) << nkm->m.shift;
writel(reg, nkm->common.base + nkm->common.reg);
spin_unlock_irqrestore(nkm->common.lock, flags);