[PATCH v3 7/9] clk: cs2000-cp: make clock skip setting configurable
From: Daniel Mack <daniel@zonque.org>
Date: 2021-06-17 19:09:29
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 791f088ec9aa..f3093d99c639 100644
--- a/drivers/clk/clk-cs2000-cp.c
+++ b/drivers/clk/clk-cs2000-cp.c@@ -80,6 +80,7 @@ struct cs2000_priv { struct clk *ref_clk; bool lf_ratio; + bool clk_skip; /* suspend/resume */ unsigned long saved_rate;
@@ -132,7 +133,7 @@ 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;
@@ -462,6 +463,8 @@ 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