diff options
Diffstat (limited to 'drivers/clk/at91/clk-generated.c')
| -rw-r--r-- | drivers/clk/at91/clk-generated.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/clk/at91/clk-generated.c b/drivers/clk/at91/clk-generated.c index 23cc8297ec4c..943ea67bf135 100644 --- a/drivers/clk/at91/clk-generated.c +++ b/drivers/clk/at91/clk-generated.c @@ -117,6 +117,10 @@ static void clk_generated_best_diff(struct clk_rate_request *req, tmp_rate = parent_rate; else tmp_rate = parent_rate / div; + + if (tmp_rate < req->min_rate || tmp_rate > req->max_rate) + return; + tmp_diff = abs(req->rate - tmp_rate); if (*best_diff < 0 || *best_diff >= tmp_diff) { @@ -132,7 +136,6 @@ static int clk_generated_determine_rate(struct clk_hw *hw, { struct clk_generated *gck = to_clk_generated(hw); struct clk_hw *parent = NULL; - struct clk_rate_request req_parent = *req; long best_rate = -EINVAL; unsigned long min_rate, parent_rate; int best_diff = -1; @@ -188,7 +191,9 @@ static int clk_generated_determine_rate(struct clk_hw *hw, goto end; for (div = 1; div < GENERATED_MAX_DIV + 2; div++) { - req_parent.rate = req->rate * div; + struct clk_rate_request req_parent; + + clk_hw_forward_rate_request(hw, req, parent, &req_parent, req->rate * div); if (__clk_determine_rate(parent, &req_parent)) continue; clk_generated_best_diff(req, parent, req_parent.rate, div, |