From: Udit Kumar Date: Thu, 21 Sep 2023 17:03:43 +0000 (+0530) Subject: clk: ti: clk-sci: Notify AVS driver based upon clock rate X-Git-Url: http://git.dujemihanovic.xyz/%22http:/www.sics.se/static/git-favicon.png?a=commitdiff_plain;h=d55249e15348db8c4d9a6eeac1a5712a8060bf3b;p=u-boot.git clk: ti: clk-sci: Notify AVS driver based upon clock rate AVS driver needs to be notified before or after clock change, depending upon new rate is greater or less than current clock rate. Fixes: 1e0aa873bc7cd ("clk: clk-ti-sci: Notify AVS driver upon setting clock rate") Cc: Keerthy Signed-off-by: Udit Kumar --- diff --git a/drivers/clk/ti/clk-sci.c b/drivers/clk/ti/clk-sci.c index 74df5a397b..8fc3254c99 100644 --- a/drivers/clk/ti/clk-sci.c +++ b/drivers/clk/ti/clk-sci.c @@ -91,12 +91,12 @@ static ulong ti_sci_clk_set_rate(struct clk *clk, ulong rate) const struct ti_sci_handle *sci = data->sci; const struct ti_sci_clk_ops *cops = &sci->ops.clk_ops; int ret; + int freq_scale_up = rate >= ti_sci_clk_get_rate(clk) ? 1 : 0; debug("%s(clk=%p, rate=%lu)\n", __func__, clk, rate); -#ifdef CONFIG_K3_AVS0 - k3_avs_notify_freq(clk->id, clk->data, rate); -#endif + if (IS_ENABLED(CONFIG_K3_AVS0) && freq_scale_up) + k3_avs_notify_freq(clk->id, clk->data, rate); ret = cops->set_freq(sci, clk->id, clk->data, 0, rate, ULONG_MAX); if (ret) { @@ -104,6 +104,9 @@ static ulong ti_sci_clk_set_rate(struct clk *clk, ulong rate) return ret; } + if (IS_ENABLED(CONFIG_K3_AVS0) && !freq_scale_up) + k3_avs_notify_freq(clk->id, clk->data, rate); + return rate; }