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-rw-r--r--drivers/clk/ingenic/cgu.c3
-rw-r--r--drivers/clk/ingenic/cgu.h4
2 files changed, 7 insertions, 0 deletions
diff --git a/drivers/clk/ingenic/cgu.c b/drivers/clk/ingenic/cgu.c
index 75524c606a90..1f7ba30f5a1b 100644
--- a/drivers/clk/ingenic/cgu.c
+++ b/drivers/clk/ingenic/cgu.c
@@ -232,6 +232,9 @@ ingenic_pll_set_rate(struct clk_hw *hw, unsigned long req_rate,
writel(ctl, cgu->base + pll_info->reg);
+ if (pll_info->set_rate_hook)
+ pll_info->set_rate_hook(pll_info, rate, parent_rate);
+
/* If the PLL is enabled, verify that it's stable */
if (pll_info->enable_bit >= 0 && (ctl & BIT(pll_info->enable_bit)))
ret = ingenic_pll_check_stable(cgu, pll_info);
diff --git a/drivers/clk/ingenic/cgu.h b/drivers/clk/ingenic/cgu.h
index a5e44ca7f969..99da9bd86e63 100644
--- a/drivers/clk/ingenic/cgu.h
+++ b/drivers/clk/ingenic/cgu.h
@@ -46,6 +46,8 @@
* -1 if there is no enable bit (ie, the PLL is always on)
* @stable_bit: the index of the stable bit in the PLL control register, or
* -1 if there is no stable bit
+ * @set_rate_hook: hook called immediately after updating the CGU register,
+ * before releasing the spinlock
*/
struct ingenic_cgu_pll_info {
unsigned reg;
@@ -61,6 +63,8 @@ struct ingenic_cgu_pll_info {
void (*calc_m_n_od)(const struct ingenic_cgu_pll_info *pll_info,
unsigned long rate, unsigned long parent_rate,
unsigned int *m, unsigned int *n, unsigned int *od);
+ void (*set_rate_hook)(const struct ingenic_cgu_pll_info *pll_info,
+ unsigned long rate, unsigned long parent_rate);
};
/**