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clk: sunxi-ng: use 1 as fallback for minimum multiplier

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A zero multiplier does not make sense for clocks.

Use 1 as the minimum when a multiplier minimum isn't specified.

Fixes: 2beaa601c8 ("clk: sunxi-ng: Implement minimum for multipliers")
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
This commit is contained in:
Chen-Yu Tsai 2017-03-24 16:33:05 +08:00 committed by Maxime Ripard
parent 266061b763
commit 4162c5ce52
4 changed files with 11 additions and 11 deletions
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8
drivers/clk/sunxi-ng/ccu_nk.c
View File

@ -102,9 +102,9 @@ static long ccu_nk_round_rate(struct clk_hw *hw, unsigned long rate,
if (nk->common.features & CCU_FEATURE_FIXED_POSTDIV)
rate *= nk->fixed_post_div;
_nk.min_n = nk->n.min;
_nk.min_n = nk->n.min ?: 1;
_nk.max_n = nk->n.max ?: 1 << nk->n.width;
_nk.min_k = nk->k.min;
_nk.min_k = nk->k.min ?: 1;
_nk.max_k = nk->k.max ?: 1 << nk->k.width;
ccu_nk_find_best(*parent_rate, rate, &_nk);
@ -127,9 +127,9 @@ static int ccu_nk_set_rate(struct clk_hw *hw, unsigned long rate,
if (nk->common.features & CCU_FEATURE_FIXED_POSTDIV)
rate = rate * nk->fixed_post_div;
_nk.min_n = nk->n.min;
_nk.min_n = nk->n.min ?: 1;
_nk.max_n = nk->n.max ?: 1 << nk->n.width;
_nk.min_k = nk->k.min;
_nk.min_k = nk->k.min ?: 1;
_nk.max_k = nk->k.max ?: 1 << nk->k.width;
ccu_nk_find_best(parent_rate, rate, &_nk);

8
drivers/clk/sunxi-ng/ccu_nkm.c
View File

@ -109,9 +109,9 @@ static unsigned long ccu_nkm_round_rate(struct ccu_mux_internal *mux,
struct ccu_nkm *nkm = data;
struct _ccu_nkm _nkm;
_nkm.min_n = nkm->n.min;
_nkm.min_n = nkm->n.min ?: 1;
_nkm.max_n = nkm->n.max ?: 1 << nkm->n.width;
_nkm.min_k = nkm->k.min;
_nkm.min_k = nkm->k.min ?: 1;
_nkm.max_k = nkm->k.max ?: 1 << nkm->k.width;
_nkm.min_m = 1;
_nkm.max_m = nkm->m.max ?: 1 << nkm->m.width;
@ -138,9 +138,9 @@ static int ccu_nkm_set_rate(struct clk_hw *hw, unsigned long rate,
unsigned long flags;
u32 reg;
_nkm.min_n = nkm->n.min;
_nkm.min_n = nkm->n.min ?: 1;
_nkm.max_n = nkm->n.max ?: 1 << nkm->n.width;
_nkm.min_k = nkm->k.min;
_nkm.min_k = nkm->k.min ?: 1;
_nkm.max_k = nkm->k.max ?: 1 << nkm->k.width;
_nkm.min_m = 1;
_nkm.max_m = nkm->m.max ?: 1 << nkm->m.width;

4
drivers/clk/sunxi-ng/ccu_nkmp.c
View File

@ -116,9 +116,9 @@ static long ccu_nkmp_round_rate(struct clk_hw *hw, unsigned long rate,
struct ccu_nkmp *nkmp = hw_to_ccu_nkmp(hw);
struct _ccu_nkmp _nkmp;
_nkmp.min_n = nkmp->n.min;
_nkmp.min_n = nkmp->n.min ?: 1;
_nkmp.max_n = nkmp->n.max ?: 1 << nkmp->n.width;
_nkmp.min_k = nkmp->k.min;
_nkmp.min_k = nkmp->k.min ?: 1;
_nkmp.max_k = nkmp->k.max ?: 1 << nkmp->k.width;
_nkmp.min_m = 1;
_nkmp.max_m = nkmp->m.max ?: 1 << nkmp->m.width;

2
drivers/clk/sunxi-ng/ccu_nm.c
View File

@ -99,7 +99,7 @@ static long ccu_nm_round_rate(struct clk_hw *hw, unsigned long rate,
struct ccu_nm *nm = hw_to_ccu_nm(hw);
struct _ccu_nm _nm;
_nm.min_n = nm->n.min;
_nm.min_n = nm->n.min ?: 1;
_nm.max_n = nm->n.max ?: 1 << nm->n.width;
_nm.min_m = 1;
_nm.max_m = nm->m.max ?: 1 << nm->m.width;