From: Stephen Boyd Date: Fri, 31 Jul 2015 00:20:57 +0000 (-0700) Subject: clk: mmp: Convert to clk_hw based provider APIs X-Git-Tag: firefly_0821_release~176^2~908^2~54 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=aef28cb6b3b22fb5a6718650340d2efcfe10dd20;p=firefly-linux-kernel-4.4.55.git clk: mmp: Convert to clk_hw based provider APIs We're removing struct clk from the clk provider API, so switch this code to using the clk_hw based provider APIs. Cc: Chao Xie Signed-off-by: Stephen Boyd --- diff --git a/drivers/clk/mmp/clk-gate.c b/drivers/clk/mmp/clk-gate.c index adbd9d64ded2..d20cd3431ac2 100644 --- a/drivers/clk/mmp/clk-gate.c +++ b/drivers/clk/mmp/clk-gate.c @@ -27,7 +27,6 @@ static int mmp_clk_gate_enable(struct clk_hw *hw) { struct mmp_clk_gate *gate = to_clk_mmp_gate(hw); - struct clk *clk = hw->clk; unsigned long flags = 0; unsigned long rate; u32 tmp; @@ -44,7 +43,7 @@ static int mmp_clk_gate_enable(struct clk_hw *hw) spin_unlock_irqrestore(gate->lock, flags); if (gate->flags & MMP_CLK_GATE_NEED_DELAY) { - rate = __clk_get_rate(clk); + rate = clk_hw_get_rate(hw); /* Need delay 2 cycles. */ udelay(2000000/rate); } diff --git a/drivers/clk/mmp/clk-mix.c b/drivers/clk/mmp/clk-mix.c index 264882180bd3..c554833cffc5 100644 --- a/drivers/clk/mmp/clk-mix.c +++ b/drivers/clk/mmp/clk-mix.c @@ -113,15 +113,15 @@ static void _filter_clk_table(struct mmp_clk_mix *mix, { int i; struct mmp_clk_mix_clk_table *item; - struct clk *parent, *clk; + struct clk_hw *parent, *hw; unsigned long parent_rate; - clk = mix->hw.clk; + hw = &mix->hw; for (i = 0; i < table_size; i++) { item = &table[i]; - parent = clk_get_parent_by_index(clk, item->parent_index); - parent_rate = __clk_get_rate(parent); + parent = clk_hw_get_parent_by_index(hw, item->parent_index); + parent_rate = clk_hw_get_rate(parent); if (parent_rate % item->rate) { item->valid = 0; } else { @@ -181,7 +181,7 @@ static int _set_rate(struct mmp_clk_mix *mix, u32 mux_val, u32 div_val, if (timeout == 0) { pr_err("%s:%s cannot do frequency change\n", - __func__, __clk_get_name(mix->hw.clk)); + __func__, clk_hw_get_name(&mix->hw)); ret = -EBUSY; goto error; } @@ -206,16 +206,14 @@ static int mmp_clk_mix_determine_rate(struct clk_hw *hw, { struct mmp_clk_mix *mix = to_clk_mix(hw); struct mmp_clk_mix_clk_table *item; - struct clk *parent, *parent_best, *mix_clk; + struct clk_hw *parent, *parent_best; unsigned long parent_rate, mix_rate, mix_rate_best, parent_rate_best; unsigned long gap, gap_best; u32 div_val_max; unsigned int div; int i, j; - mix_clk = hw->clk; - parent = NULL; mix_rate_best = 0; parent_rate_best = 0; gap_best = ULONG_MAX; @@ -226,9 +224,9 @@ static int mmp_clk_mix_determine_rate(struct clk_hw *hw, item = &mix->table[i]; if (item->valid == 0) continue; - parent = clk_get_parent_by_index(mix_clk, + parent = clk_hw_get_parent_by_index(hw, item->parent_index); - parent_rate = __clk_get_rate(parent); + parent_rate = clk_hw_get_rate(parent); mix_rate = parent_rate / item->divisor; gap = abs(mix_rate - req->rate); if (parent_best == NULL || gap < gap_best) { @@ -242,8 +240,8 @@ static int mmp_clk_mix_determine_rate(struct clk_hw *hw, } } else { for (i = 0; i < clk_hw_get_num_parents(hw); i++) { - parent = clk_get_parent_by_index(mix_clk, i); - parent_rate = __clk_get_rate(parent); + parent = clk_hw_get_parent_by_index(hw, i); + parent_rate = clk_hw_get_rate(parent); div_val_max = _get_maxdiv(mix); for (j = 0; j < div_val_max; j++) { div = _get_div(mix, j); @@ -266,7 +264,7 @@ found: return -EINVAL; req->best_parent_rate = parent_rate_best; - req->best_parent_hw = __clk_get_hw(parent_best); + req->best_parent_hw = parent_best; req->rate = mix_rate_best; return 0; @@ -382,20 +380,19 @@ static int mmp_clk_set_rate(struct clk_hw *hw, unsigned long rate, struct mmp_clk_mix_clk_table *item; unsigned long parent_rate; unsigned int best_divisor; - struct clk *mix_clk, *parent; + struct clk_hw *parent; int i; best_divisor = best_parent_rate / rate; - mix_clk = hw->clk; if (mix->table) { for (i = 0; i < mix->table_size; i++) { item = &mix->table[i]; if (item->valid == 0) continue; - parent = clk_get_parent_by_index(mix_clk, + parent = clk_hw_get_parent_by_index(hw, item->parent_index); - parent_rate = __clk_get_rate(parent); + parent_rate = clk_hw_get_rate(parent); if (parent_rate == best_parent_rate && item->divisor == best_divisor) break; @@ -409,8 +406,8 @@ static int mmp_clk_set_rate(struct clk_hw *hw, unsigned long rate, return -EINVAL; } else { for (i = 0; i < clk_hw_get_num_parents(hw); i++) { - parent = clk_get_parent_by_index(mix_clk, i); - parent_rate = __clk_get_rate(parent); + parent = clk_hw_get_parent_by_index(hw, i); + parent_rate = clk_hw_get_rate(parent); if (parent_rate == best_parent_rate) break; }