[PATCH RESEND v4 7/9] clk: cs2000-cp: make clock skip setting configurable
From: Daniel Mack <daniel@zonque.org>
Date: 2021-12-14 12:19:00
Also in:
linux-clk
Subsystem:
common clk framework, the rest · Maintainers:
Michael Turquette, Stephen Boyd, Linus Torvalds
The clock skip function of this chip is not necessarily desirable in all hardware appliances. This patch makes the feature configurable through a device-tree property. Signed-off-by: Daniel Mack <daniel@zonque.org> --- drivers/clk/clk-cs2000-cp.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/clk/clk-cs2000-cp.c b/drivers/clk/clk-cs2000-cp.c
index bd030e156d65..9f99e39b41f2 100644
--- a/drivers/clk/clk-cs2000-cp.c
+++ b/drivers/clk/clk-cs2000-cp.c@@ -81,6 +81,7 @@ struct cs2000_priv { bool dynamic_mode; bool lf_ratio; + bool clk_skip; /* suspend/resume */ unsigned long saved_rate;
@@ -133,7 +134,7 @@ static int cs2000_enable_dev_config(struct cs2000_priv *priv, bool enable) return ret; ret = cs2000_bset(priv, FUNC_CFG1, CLKSKIPEN, - enable ? CLKSKIPEN : 0); + (enable && priv->clk_skip) ? CLKSKIPEN : 0); if (ret < 0) return ret;
@@ -464,6 +465,8 @@ static int cs2000_clk_register(struct cs2000_priv *priv) if (ret < 0) return ret; + priv->clk_skip = of_property_read_bool(np, "cirrus,clock-skip"); + ref_clk_rate = clk_get_rate(priv->ref_clk); ret = cs2000_ref_clk_bound_rate(priv, ref_clk_rate); if (ret < 0)
--
2.31.1