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authorPeng Fan <peng.fan@nxp.com>2020-02-19 08:59:49 +0100
committerShawn Guo <shawnguo@kernel.org>2020-03-10 07:02:16 +0100
commitd678d83c583dd6d00b7e3e0c5c78e8441e1a9131 (patch)
tree0594dd99c899388c8187de7c18cd9dd50dae011f /drivers/clk/imx
parentclk: imx: pfdv2: determine best parent rate (diff)
downloadlinux-d678d83c583dd6d00b7e3e0c5c78e8441e1a9131.tar.xz
linux-d678d83c583dd6d00b7e3e0c5c78e8441e1a9131.zip
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>
Diffstat (limited to 'drivers/clk/imx')
-rw-r--r--drivers/clk/imx/clk-pllv4.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/clk/imx/clk-pllv4.c b/drivers/clk/imx/clk-pllv4.c
index f51a800c268c..a49450431855 100644
--- a/drivers/clk/imx/clk-pllv4.c
+++ b/drivers/clk/imx/clk-pllv4.c
@@ -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,