diff options
| -rw-r--r-- | arch/mips/alchemy/common/clock.c | 4 | ||||
| -rw-r--r-- | drivers/clk/clk-composite.c | 3 | ||||
| -rw-r--r-- | drivers/clk/clk.c | 3 | ||||
| -rw-r--r-- | drivers/clk/hisilicon/clk-hi3620.c | 2 | ||||
| -rw-r--r-- | drivers/clk/mmp/clk-mix.c | 5 | ||||
| -rw-r--r-- | drivers/clk/sunxi/clk-factors.c | 6 | ||||
| -rw-r--r-- | drivers/clk/sunxi/clk-sun6i-ar100.c | 3 | ||||
| -rw-r--r-- | drivers/clk/sunxi/clk-sunxi.c | 6 |
8 files changed, 24 insertions, 8 deletions
diff --git a/arch/mips/alchemy/common/clock.c b/arch/mips/alchemy/common/clock.c index 0b4cf3e..7cc3eed 100644 --- a/arch/mips/alchemy/common/clock.c +++ b/arch/mips/alchemy/common/clock.c @@ -469,9 +469,13 @@ static int alchemy_clk_fgcs_detr(struct clk_hw *hw, } } + if (br < 0) + return br; + req->best_parent_rate = bpr; req->best_parent_hw = __clk_get_hw(bpc); req->rate = br; + return 0; } diff --git a/drivers/clk/clk-composite.c b/drivers/clk/clk-composite.c index 9e69f34..35ac062 100644 --- a/drivers/clk/clk-composite.c +++ b/drivers/clk/clk-composite.c @@ -125,8 +125,7 @@ static int clk_composite_determine_rate(struct clk_hw *hw, return mux_ops->determine_rate(mux_hw, req); } else { pr_err("clk: clk_composite_determine_rate function called, but no mux or rate callback set!\n"); - req->rate = 0; - return 0; + return -EINVAL; } } diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c index 4e9ff92..c907289 100644 --- a/drivers/clk/clk.c +++ b/drivers/clk/clk.c @@ -487,6 +487,9 @@ clk_mux_determine_rate_flags(struct clk_hw *hw, struct clk_rate_request *req, } } + if (!best_parent) + return -EINVAL; + out: if (best_parent) req->best_parent_hw = best_parent->hw; diff --git a/drivers/clk/hisilicon/clk-hi3620.c b/drivers/clk/hisilicon/clk-hi3620.c index a0674ba..c84ec86 100644 --- a/drivers/clk/hisilicon/clk-hi3620.c +++ b/drivers/clk/hisilicon/clk-hi3620.c @@ -316,7 +316,7 @@ static int mmc_clk_determine_rate(struct clk_hw *hw, req->rate = 180000000; req->best_parent_rate = 1440000000; } - return 0; + return -EINVAL; } static u32 mmc_clk_delay(u32 val, u32 para, u32 off, u32 len) diff --git a/drivers/clk/mmp/clk-mix.c b/drivers/clk/mmp/clk-mix.c index 7a37432..665cb67 100644 --- a/drivers/clk/mmp/clk-mix.c +++ b/drivers/clk/mmp/clk-mix.c @@ -218,7 +218,7 @@ static int mmp_clk_mix_determine_rate(struct clk_hw *hw, parent = NULL; mix_rate_best = 0; parent_rate_best = 0; - gap_best = req->rate; + gap_best = ULONG_MAX; parent_best = NULL; if (mix->table) { @@ -262,6 +262,9 @@ static int mmp_clk_mix_determine_rate(struct clk_hw *hw, } found: + if (!parent_best) + return -EINVAL; + req->best_parent_rate = parent_rate_best; req->best_parent_hw = __clk_get_hw(parent_best); req->rate = mix_rate_best; diff --git a/drivers/clk/sunxi/clk-factors.c b/drivers/clk/sunxi/clk-factors.c index 7a48587..94e2570 100644 --- a/drivers/clk/sunxi/clk-factors.c +++ b/drivers/clk/sunxi/clk-factors.c @@ -107,8 +107,10 @@ static int clk_factors_determine_rate(struct clk_hw *hw, } } - if (best_parent) - req->best_parent_hw = __clk_get_hw(best_parent); + if (!best_parent) + return -EINVAL; + + req->best_parent_hw = __clk_get_hw(best_parent); req->best_parent_rate = best; req->rate = best_child_rate; diff --git a/drivers/clk/sunxi/clk-sun6i-ar100.c b/drivers/clk/sunxi/clk-sun6i-ar100.c index d70c1ea..21b076e 100644 --- a/drivers/clk/sunxi/clk-sun6i-ar100.c +++ b/drivers/clk/sunxi/clk-sun6i-ar100.c @@ -105,6 +105,9 @@ static int ar100_determine_rate(struct clk_hw *hw, } } + if (best_rate < 0) + return best_rate; + req->rate = best_rate; return 0; diff --git a/drivers/clk/sunxi/clk-sunxi.c b/drivers/clk/sunxi/clk-sunxi.c index d0f72a1..0e15165 100644 --- a/drivers/clk/sunxi/clk-sunxi.c +++ b/drivers/clk/sunxi/clk-sunxi.c @@ -146,8 +146,10 @@ static int sun6i_ahb1_clk_determine_rate(struct clk_hw *hw, } } - if (best_parent) - req->best_parent_hw = __clk_get_hw(best_parent); + if (!best_parent) + return -EINVAL; + + req->best_parent_hw = __clk_get_hw(best_parent); req->best_parent_rate = best; req->rate = best_child_rate; |
