diff options
| author | Tomeu Vizoso <tomeu.vizoso@collabora.com> | 2014-12-02 08:54:22 +0100 |
|---|---|---|
| committer | Michael Turquette <mturquette@linaro.org> | 2014-12-03 16:21:37 -0800 |
| commit | 646cafc6aa4d6004d189de1cdc267ab562069ba9 (patch) | |
| tree | 6d2f85aecfe37696c0930b1dce17722e863cc804 /drivers/clk/clk.c | |
| parent | 61c7cddfad266ebb86176723f9c679f25cf705fe (diff) | |
| download | linux-646cafc6aa4d6004d189de1cdc267ab562069ba9.tar.bz2 | |
clk: Change clk_ops->determine_rate to return a clk_hw as the best parent
This is in preparation for clock providers to not have to deal with struct clk.
Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Michael Turquette <mturquette@linaro.org>
Diffstat (limited to 'drivers/clk/clk.c')
| -rw-r--r-- | drivers/clk/clk.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c index f549e8b1d5ed..44cdc47a6cc5 100644 --- a/drivers/clk/clk.c +++ b/drivers/clk/clk.c @@ -702,7 +702,7 @@ struct clk *__clk_lookup(const char *name) */ long __clk_mux_determine_rate(struct clk_hw *hw, unsigned long rate, unsigned long *best_parent_rate, - struct clk **best_parent_p) + struct clk_hw **best_parent_p) { struct clk *clk = hw->clk, *parent, *best_parent = NULL; int i, num_parents; @@ -738,7 +738,7 @@ long __clk_mux_determine_rate(struct clk_hw *hw, unsigned long rate, out: if (best_parent) - *best_parent_p = best_parent; + *best_parent_p = best_parent->hw; *best_parent_rate = best; return best; @@ -946,6 +946,7 @@ unsigned long __clk_round_rate(struct clk *clk, unsigned long rate) { unsigned long parent_rate = 0; struct clk *parent; + struct clk_hw *parent_hw; if (!clk) return 0; @@ -954,10 +955,11 @@ unsigned long __clk_round_rate(struct clk *clk, unsigned long rate) if (parent) parent_rate = parent->rate; - if (clk->ops->determine_rate) + if (clk->ops->determine_rate) { + parent_hw = parent ? parent->hw : NULL; return clk->ops->determine_rate(clk->hw, rate, &parent_rate, - &parent); - else if (clk->ops->round_rate) + &parent_hw); + } else if (clk->ops->round_rate) return clk->ops->round_rate(clk->hw, rate, &parent_rate); else if (clk->flags & CLK_SET_RATE_PARENT) return __clk_round_rate(clk->parent, rate); @@ -1345,6 +1347,7 @@ static struct clk *clk_calc_new_rates(struct clk *clk, unsigned long rate) { struct clk *top = clk; struct clk *old_parent, *parent; + struct clk_hw *parent_hw; unsigned long best_parent_rate = 0; unsigned long new_rate; int p_index = 0; @@ -1360,9 +1363,11 @@ static struct clk *clk_calc_new_rates(struct clk *clk, unsigned long rate) /* find the closest rate and parent clk/rate */ if (clk->ops->determine_rate) { + parent_hw = parent ? parent->hw : NULL; new_rate = clk->ops->determine_rate(clk->hw, rate, &best_parent_rate, - &parent); + &parent_hw); + parent = parent_hw->clk; } else if (clk->ops->round_rate) { new_rate = clk->ops->round_rate(clk->hw, rate, &best_parent_rate); |