Commit c9744843 authored by Maxime Ripard's avatar Maxime Ripard Committed by Stephen Boyd

clk: Add clk_drop_range

In order to reset the range on a clock, we need to call
clk_set_rate_range with a minimum of 0 and a maximum of ULONG_MAX. Since
it's fairly inconvenient, let's introduce a clk_drop_range() function
that will do just this.
Suggested-by: default avatarStephen Boyd <sboyd@kernel.org>
Signed-off-by: default avatarMaxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20220225143534.405820-8-maxime@cerno.techSigned-off-by: default avatarStephen Boyd <sboyd@kernel.org>
parent c80ac50c
......@@ -645,7 +645,7 @@ static void clk_range_test_multiple_set_range_rate_maximized(struct kunit *test)
KUNIT_EXPECT_EQ(test, rate, DUMMY_CLOCK_RATE_1);
KUNIT_ASSERT_EQ(test,
clk_set_rate_range(user2, 0, ULONG_MAX),
clk_drop_range(user2),
0);
rate = clk_get_rate(clk);
......@@ -762,7 +762,7 @@ static void clk_range_test_multiple_set_range_rate_minimized(struct kunit *test)
KUNIT_EXPECT_EQ(test, rate, DUMMY_CLOCK_RATE_2);
KUNIT_ASSERT_EQ(test,
clk_set_rate_range(user2, 0, ULONG_MAX),
clk_drop_range(user2),
0);
rate = clk_get_rate(clk);
......
......@@ -986,6 +986,17 @@ static inline void clk_bulk_disable_unprepare(int num_clks,
clk_bulk_unprepare(num_clks, clks);
}
/**
* clk_drop_range - Reset any range set on that clock
* @clk: clock source
*
* Returns success (0) or negative errno.
*/
static inline int clk_drop_range(struct clk *clk)
{
return clk_set_rate_range(clk, 0, ULONG_MAX);
}
/**
* clk_get_optional - lookup and obtain a reference to an optional clock
* producer.
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment