From 645e752c5a84baeb21015cdc85fc05b7d16312c8 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 11 May 2024 01:13:52 +0000
Subject: [PATCH] disable i2c1
---
kernel/drivers/clk/clk.c | 11 +++++++++++
1 files changed, 11 insertions(+), 0 deletions(-)
diff --git a/kernel/drivers/clk/clk.c b/kernel/drivers/clk/clk.c
index 3d82193..672eb93 100644
--- a/kernel/drivers/clk/clk.c
+++ b/kernel/drivers/clk/clk.c
@@ -253,6 +253,17 @@
}
}
+ /*
+ * This could be called with the enable lock held, or from atomic
+ * context. If the parent isn't enabled already, we can't do
+ * anything here. We can also assume this clock isn't enabled.
+ */
+ if ((core->flags & CLK_OPS_PARENT_ENABLE) && core->parent)
+ if (!clk_core_is_enabled(core->parent)) {
+ ret = false;
+ goto done;
+ }
+
ret = core->ops->is_enabled(core->hw);
done:
if (core->rpm_enabled)
--
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