[PATCH v3 1/4] pwm: meson: switch to using struct clk_parent_data for mux parents
Heiner Kallweit
hkallweit1 at gmail.com
Wed Apr 12 12:20:17 PDT 2023
We'll use struct clk_parent_data for mux/div/gate initialization in the
follow-up patches. As a first step switch the mux from using
parent_names to clk_parent_data.
Suggested-by: Martin Blumenstingl <martin.blumenstingl at googlemail.com>
Signed-off-by: Heiner Kallweit <hkallweit1 at gmail.com>
---
v3:
- move setting mux parent data out of the loop
---
drivers/pwm/pwm-meson.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/drivers/pwm/pwm-meson.c b/drivers/pwm/pwm-meson.c
index 4e5605c9d..6a66d5d58 100644
--- a/drivers/pwm/pwm-meson.c
+++ b/drivers/pwm/pwm-meson.c
@@ -61,6 +61,7 @@
#define MISC_A_EN BIT(0)
#define MESON_NUM_PWMS 2
+#define MESON_MAX_MUX_PARENTS 4
static struct meson_pwm_channel_data {
u8 reg_offset;
@@ -484,21 +485,27 @@ MODULE_DEVICE_TABLE(of, meson_pwm_matches);
static int meson_pwm_init_channels(struct meson_pwm *meson)
{
+ struct clk_parent_data mux_parent_data[MESON_MAX_MUX_PARENTS] = {};
struct device *dev = meson->chip.dev;
- struct clk_init_data init;
unsigned int i;
char name[255];
int err;
+ for (i = 0; i < meson->data->num_parents; i++) {
+ mux_parent_data[i].index = -1;
+ mux_parent_data[i].name = meson->data->parent_names[i];
+ }
+
for (i = 0; i < meson->chip.npwm; i++) {
struct meson_pwm_channel *channel = &meson->channels[i];
+ struct clk_init_data init = {};
snprintf(name, sizeof(name), "%s#mux%u", dev_name(dev), i);
init.name = name;
init.ops = &clk_mux_ops;
init.flags = 0;
- init.parent_names = meson->data->parent_names;
+ init.parent_data = mux_parent_data;
init.num_parents = meson->data->num_parents;
channel->mux.reg = meson->base + REG_MISC_AB;
--
2.40.0
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