diff options
Diffstat (limited to 'drivers/clk/rockchip/clk-cpu.c')
| -rw-r--r-- | drivers/clk/rockchip/clk-cpu.c | 28 |
1 files changed, 20 insertions, 8 deletions
diff --git a/drivers/clk/rockchip/clk-cpu.c b/drivers/clk/rockchip/clk-cpu.c index 47288197c9d7..11aa2259b532 100644 --- a/drivers/clk/rockchip/clk-cpu.c +++ b/drivers/clk/rockchip/clk-cpu.c @@ -166,10 +166,16 @@ static int rockchip_cpuclk_pre_rate_change(struct rockchip_cpuclk *cpuclk, } } /* select alternate parent */ - writel(HIWORD_UPDATE(reg_data->mux_core_alt, - reg_data->mux_core_mask, - reg_data->mux_core_shift), - cpuclk->reg_base + reg_data->core_reg[0]); + if (reg_data->mux_core_reg) + writel(HIWORD_UPDATE(reg_data->mux_core_alt, + reg_data->mux_core_mask, + reg_data->mux_core_shift), + cpuclk->reg_base + reg_data->mux_core_reg); + else + writel(HIWORD_UPDATE(reg_data->mux_core_alt, + reg_data->mux_core_mask, + reg_data->mux_core_shift), + cpuclk->reg_base + reg_data->core_reg[0]); spin_unlock_irqrestore(cpuclk->lock, flags); return 0; @@ -202,10 +208,16 @@ static int rockchip_cpuclk_post_rate_change(struct rockchip_cpuclk *cpuclk, * primary parent by the extra dividers that were needed for the alt. */ - writel(HIWORD_UPDATE(reg_data->mux_core_main, - reg_data->mux_core_mask, - reg_data->mux_core_shift), - cpuclk->reg_base + reg_data->core_reg[0]); + if (reg_data->mux_core_reg) + writel(HIWORD_UPDATE(reg_data->mux_core_main, + reg_data->mux_core_mask, + reg_data->mux_core_shift), + cpuclk->reg_base + reg_data->mux_core_reg); + else + writel(HIWORD_UPDATE(reg_data->mux_core_main, + reg_data->mux_core_mask, + reg_data->mux_core_shift), + cpuclk->reg_base + reg_data->core_reg[0]); /* remove dividers */ for (i = 0; i < reg_data->num_cores; i++) { |