diff options
Diffstat (limited to 'drivers/clk/visconti/pll.c')
| -rw-r--r-- | drivers/clk/visconti/pll.c | 31 |
1 files changed, 18 insertions, 13 deletions
diff --git a/drivers/clk/visconti/pll.c b/drivers/clk/visconti/pll.c index 1f3234f22667..681721d85032 100644 --- a/drivers/clk/visconti/pll.c +++ b/drivers/clk/visconti/pll.c @@ -100,20 +100,25 @@ static unsigned long visconti_get_pll_rate_from_data(struct visconti_pll *pll, return rate_table[0].rate; } -static long visconti_pll_round_rate(struct clk_hw *hw, - unsigned long rate, unsigned long *prate) +static int visconti_pll_determine_rate(struct clk_hw *hw, + struct clk_rate_request *req) { struct visconti_pll *pll = to_visconti_pll(hw); const struct visconti_pll_rate_table *rate_table = pll->rate_table; int i; - /* Assumming rate_table is in descending order */ + /* Assuming rate_table is in descending order */ for (i = 0; i < pll->rate_count; i++) - if (rate >= rate_table[i].rate) - return rate_table[i].rate; + if (req->rate >= rate_table[i].rate) { + req->rate = rate_table[i].rate; + + return 0; + } /* return minimum supported value */ - return rate_table[i - 1].rate; + req->rate = rate_table[i - 1].rate; + + return 0; } static unsigned long visconti_pll_recalc_rate(struct clk_hw *hw, @@ -232,7 +237,7 @@ static const struct clk_ops visconti_pll_ops = { .enable = visconti_pll_enable, .disable = visconti_pll_disable, .is_enabled = visconti_pll_is_enabled, - .round_rate = visconti_pll_round_rate, + .determine_rate = visconti_pll_determine_rate, .recalc_rate = visconti_pll_recalc_rate, .set_rate = visconti_pll_set_rate, }; @@ -262,9 +267,9 @@ static struct clk_hw *visconti_register_pll(struct visconti_pll_provider *ctx, for (len = 0; rate_table[len].rate != 0; ) len++; pll->rate_count = len; - pll->rate_table = kmemdup(rate_table, - pll->rate_count * sizeof(struct visconti_pll_rate_table), - GFP_KERNEL); + pll->rate_table = kmemdup_array(rate_table, + pll->rate_count, sizeof(*pll->rate_table), + GFP_KERNEL); WARN(!pll->rate_table, "%s: could not allocate rate table for %s\n", __func__, name); init.ops = &visconti_pll_ops; @@ -329,12 +334,12 @@ struct visconti_pll_provider * __init visconti_init_pll(struct device_node *np, if (!ctx) return ERR_PTR(-ENOMEM); - for (i = 0; i < nr_plls; ++i) - ctx->clk_data.hws[i] = ERR_PTR(-ENOENT); - ctx->node = np; ctx->reg_base = base; ctx->clk_data.num = nr_plls; + for (i = 0; i < nr_plls; ++i) + ctx->clk_data.hws[i] = ERR_PTR(-ENOENT); + return ctx; } |
