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-rw-r--r--drivers/clk/at91/clk-main.c1
-rw-r--r--drivers/clk/at91/clk-smd.c29
-rw-r--r--drivers/clk/at91/sckc.c1
3 files changed, 19 insertions, 12 deletions
diff --git a/drivers/clk/at91/clk-main.c b/drivers/clk/at91/clk-main.c
index 8601b27c1ae0..4966e0f9e92c 100644
--- a/drivers/clk/at91/clk-main.c
+++ b/drivers/clk/at91/clk-main.c
@@ -533,6 +533,7 @@ static const struct clk_ops sam9x5_main_ops = {
.prepare = clk_sam9x5_main_prepare,
.is_prepared = clk_sam9x5_main_is_prepared,
.recalc_rate = clk_sam9x5_main_recalc_rate,
+ .determine_rate = clk_hw_determine_rate_no_reparent,
.set_parent = clk_sam9x5_main_set_parent,
.get_parent = clk_sam9x5_main_get_parent,
.save_context = clk_sam9x5_main_save_context,
diff --git a/drivers/clk/at91/clk-smd.c b/drivers/clk/at91/clk-smd.c
index 160378438f1b..09c649c8598e 100644
--- a/drivers/clk/at91/clk-smd.c
+++ b/drivers/clk/at91/clk-smd.c
@@ -36,26 +36,31 @@ static unsigned long at91sam9x5_clk_smd_recalc_rate(struct clk_hw *hw,
return parent_rate / (smddiv + 1);
}
-static long at91sam9x5_clk_smd_round_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long *parent_rate)
+static int at91sam9x5_clk_smd_determine_rate(struct clk_hw *hw,
+ struct clk_rate_request *req)
{
unsigned long div;
unsigned long bestrate;
unsigned long tmp;
- if (rate >= *parent_rate)
- return *parent_rate;
+ if (req->rate >= req->best_parent_rate) {
+ req->rate = req->best_parent_rate;
+ return 0;
+ }
- div = *parent_rate / rate;
- if (div > SMD_MAX_DIV)
- return *parent_rate / (SMD_MAX_DIV + 1);
+ div = req->best_parent_rate / req->rate;
+ if (div > SMD_MAX_DIV) {
+ req->rate = req->best_parent_rate / (SMD_MAX_DIV + 1);
+ return 0;
+ }
- bestrate = *parent_rate / div;
- tmp = *parent_rate / (div + 1);
- if (bestrate - rate > rate - tmp)
+ bestrate = req->best_parent_rate / div;
+ tmp = req->best_parent_rate / (div + 1);
+ if (bestrate - req->rate > req->rate - tmp)
bestrate = tmp;
- return bestrate;
+ req->rate = bestrate;
+ return 0;
}
static int at91sam9x5_clk_smd_set_parent(struct clk_hw *hw, u8 index)
@@ -98,7 +103,7 @@ static int at91sam9x5_clk_smd_set_rate(struct clk_hw *hw, unsigned long rate,
static const struct clk_ops at91sam9x5_smd_ops = {
.recalc_rate = at91sam9x5_clk_smd_recalc_rate,
- .round_rate = at91sam9x5_clk_smd_round_rate,
+ .determine_rate = at91sam9x5_clk_smd_determine_rate,
.get_parent = at91sam9x5_clk_smd_get_parent,
.set_parent = at91sam9x5_clk_smd_set_parent,
.set_rate = at91sam9x5_clk_smd_set_rate,
diff --git a/drivers/clk/at91/sckc.c b/drivers/clk/at91/sckc.c
index fdc9b669f8a7..a2d86c377827 100644
--- a/drivers/clk/at91/sckc.c
+++ b/drivers/clk/at91/sckc.c
@@ -310,6 +310,7 @@ static u8 clk_sam9x5_slow_get_parent(struct clk_hw *hw)
}
static const struct clk_ops sam9x5_slow_ops = {
+ .determine_rate = clk_hw_determine_rate_no_reparent,
.set_parent = clk_sam9x5_slow_set_parent,
.get_parent = clk_sam9x5_slow_get_parent,
};