[PATCH 1/1] clk: meson: meson8b: mark clk81 as critical
From: martin.blumenstingl@googlemail.com (Martin Blumenstingl)
Date: 2017-05-04 18:32:01
Also in:
linux-amlogic, linux-clk
Subsystem:
arm/amlogic meson soc clock framework, common clk framework, the rest · Maintainers:
Neil Armstrong, Jerome Brunet, Michael Turquette, Stephen Boyd, Linus Torvalds
Disabling clk81 results in an immediate freeze of the whole system. This can happen "accidentally" when the last child-clock of clk81 is disabled (in this case the common clock framework also disables clk81, even if it was only enabled indirectly before). Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> --- drivers/clk/meson/meson8b.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/clk/meson/meson8b.c b/drivers/clk/meson/meson8b.c
index e9985503165c..bfd1690724de 100644
--- a/drivers/clk/meson/meson8b.c
+++ b/drivers/clk/meson/meson8b.c@@ -399,7 +399,7 @@ struct clk_gate meson8b_clk81 = { .ops = &clk_gate_ops, .parent_names = (const char *[]){ "mpeg_clk_div" }, .num_parents = 1, - .flags = (CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED), + .flags = (CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED | CLK_IS_CRITICAL), }, };
--
2.12.2