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clk: imx: pllv4: use prepare/unprepare 

It is not good to use enable/disable for PLLv4 which needs time to
lock, because enable/disable is expected to be able run in
interrupt context. So use prepare/unprepare.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This commit is contained in:
Peng Fan 2020-02-19 15:59:49 +08:00 committed by Shawn Guo
parent c88a4c797a
commit d678d83c58
1 changed files with 6 additions and 6 deletions
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12
drivers/clk/imx/clk-pllv4.c
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@ -54,7 +54,7 @@ static inline int clk_pllv4_wait_lock(struct clk_pllv4 *pll)
csr, csr & PLL_VLD, 0, LOCK_TIMEOUT_US);
}
static int clk_pllv4_is_enabled(struct clk_hw *hw)
static int clk_pllv4_is_prepared(struct clk_hw *hw)
{
struct clk_pllv4 *pll = to_clk_pllv4(hw);
@ -175,7 +175,7 @@ static int clk_pllv4_set_rate(struct clk_hw *hw, unsigned long rate,
return 0;
}
static int clk_pllv4_enable(struct clk_hw *hw)
static int clk_pllv4_prepare(struct clk_hw *hw)
{
u32 val;
struct clk_pllv4 *pll = to_clk_pllv4(hw);
@ -187,7 +187,7 @@ static int clk_pllv4_enable(struct clk_hw *hw)
return clk_pllv4_wait_lock(pll);
}
static void clk_pllv4_disable(struct clk_hw *hw)
static void clk_pllv4_unprepare(struct clk_hw *hw)
{
u32 val;
struct clk_pllv4 *pll = to_clk_pllv4(hw);
@ -201,9 +201,9 @@ static const struct clk_ops clk_pllv4_ops = {
.recalc_rate = clk_pllv4_recalc_rate,
.round_rate = clk_pllv4_round_rate,
.set_rate = clk_pllv4_set_rate,
.enable = clk_pllv4_enable,
.disable = clk_pllv4_disable,
.is_enabled = clk_pllv4_is_enabled,
.prepare = clk_pllv4_prepare,
.unprepare = clk_pllv4_unprepare,
.is_prepared = clk_pllv4_is_prepared,
};
struct clk_hw *imx_clk_hw_pllv4(const char *name, const char *parent_name,