@@ -51,24 +51,13 @@ struct mpfs_msspll_hw_clock {
#define to_mpfs_msspll_clk(_hw) container_of(_hw, struct mpfs_msspll_hw_clock, hw)
-struct mpfs_cfg_clock {
- void __iomem *reg;
- const struct clk_div_table *table;
- u8 shift;
- u8 width;
- u8 flags;
-};
-
struct mpfs_cfg_hw_clock {
- struct mpfs_cfg_clock cfg;
- struct clk_hw hw;
+ struct clk_divider cfg;
struct clk_init_data init;
unsigned int id;
u32 reg_offset;
};
-#define to_mpfs_cfg_clk(_hw) container_of(_hw, struct mpfs_cfg_hw_clock, hw)
-
struct mpfs_periph_clock {
void __iomem *reg;
u8 shift;
@@ -228,56 +217,6 @@ static int mpfs_clk_register_mssplls(struct device *dev, struct mpfs_msspll_hw_c
* "CFG" clocks
*/
-static unsigned long mpfs_cfg_clk_recalc_rate(struct clk_hw *hw, unsigned long prate)
-{
- struct mpfs_cfg_hw_clock *cfg_hw = to_mpfs_cfg_clk(hw);
- struct mpfs_cfg_clock *cfg = &cfg_hw->cfg;
- u32 val;
-
- val = readl_relaxed(cfg->reg) >> cfg->shift;
- val &= clk_div_mask(cfg->width);
-
- return divider_recalc_rate(hw, prate, val, cfg->table, cfg->flags, cfg->width);
-}
-
-static long mpfs_cfg_clk_round_rate(struct clk_hw *hw, unsigned long rate, unsigned long *prate)
-{
- struct mpfs_cfg_hw_clock *cfg_hw = to_mpfs_cfg_clk(hw);
- struct mpfs_cfg_clock *cfg = &cfg_hw->cfg;
-
- return divider_round_rate(hw, rate, prate, cfg->table, cfg->width, 0);
-}
-
-static int mpfs_cfg_clk_set_rate(struct clk_hw *hw, unsigned long rate, unsigned long prate)
-{
- struct mpfs_cfg_hw_clock *cfg_hw = to_mpfs_cfg_clk(hw);
- struct mpfs_cfg_clock *cfg = &cfg_hw->cfg;
- unsigned long flags;
- u32 val;
- int divider_setting;
-
- divider_setting = divider_get_val(rate, prate, cfg->table, cfg->width, 0);
-
- if (divider_setting < 0)
- return divider_setting;
-
- spin_lock_irqsave(&mpfs_clk_lock, flags);
- val = readl_relaxed(cfg->reg);
- val &= ~(clk_div_mask(cfg->width) << cfg_hw->cfg.shift);
- val |= divider_setting << cfg->shift;
- writel_relaxed(val, cfg->reg);
-
- spin_unlock_irqrestore(&mpfs_clk_lock, flags);
-
- return 0;
-}
-
-static const struct clk_ops mpfs_clk_cfg_ops = {
- .recalc_rate = mpfs_cfg_clk_recalc_rate,
- .round_rate = mpfs_cfg_clk_round_rate,
- .set_rate = mpfs_cfg_clk_set_rate,
-};
-
#define CLK_CFG(_id, _name, _parent, _shift, _width, _table, _flags, _offset) { \
.id = _id, \
.cfg.shift = _shift, \
@@ -285,7 +224,8 @@ static const struct clk_ops mpfs_clk_cfg_ops = {
.cfg.table = _table, \
.reg_offset = _offset, \
.cfg.flags = _flags, \
- .hw.init = CLK_HW_INIT(_name, _parent, &mpfs_clk_cfg_ops, 0), \
+ .cfg.hw.init = CLK_HW_INIT(_name, _parent, &clk_divider_ops, 0), \
+ .cfg.lock = &mpfs_clk_lock, \
}
static struct mpfs_cfg_hw_clock mpfs_cfg_clks[] = {
@@ -302,8 +242,8 @@ static struct mpfs_cfg_hw_clock mpfs_cfg_clks[] = {
.cfg.table = mpfs_div_rtcref_table,
.reg_offset = REG_RTC_CLOCK_CR,
.cfg.flags = CLK_DIVIDER_ONE_BASED,
- .hw.init =
- CLK_HW_INIT_PARENTS_DATA("clk_rtcref", mpfs_ext_ref, &mpfs_clk_cfg_ops, 0),
+ .cfg.hw.init =
+ CLK_HW_INIT_PARENTS_DATA("clk_rtcref", mpfs_ext_ref, &clk_divider_ops, 0),
}
};
@@ -317,13 +257,13 @@ static int mpfs_clk_register_cfgs(struct device *dev, struct mpfs_cfg_hw_clock *
struct mpfs_cfg_hw_clock *cfg_hw = &cfg_hws[i];
cfg_hw->cfg.reg = data->base + cfg_hw->reg_offset;
- ret = devm_clk_hw_register(dev, &cfg_hw->hw);
+ ret = devm_clk_hw_register(dev, &cfg_hw->cfg.hw);
if (ret)
return dev_err_probe(dev, ret, "failed to register clock id: %d\n",
cfg_hw->id);
id = cfg_hw->id;
- data->hw_data.hws[id] = &cfg_hw->hw;
+ data->hw_data.hws[id] = &cfg_hw->cfg.hw;
}
return 0;
@@ -393,7 +333,7 @@ static const struct clk_ops mpfs_periph_clk_ops = {
_flags), \
}
-#define PARENT_CLK(PARENT) (&mpfs_cfg_clks[CLK_##PARENT].hw)
+#define PARENT_CLK(PARENT) (&mpfs_cfg_clks[CLK_##PARENT].cfg.hw)
/*
* Critical clocks:
The cfg_clk struct is now just a redefinition of the clk_divider struct with custom implentations of the ops, that implement an extra level of redirection. Remove the custom struct and replace it with clk_divider. Signed-off-by: Conor Dooley <conor.dooley@microchip.com> --- drivers/clk/microchip/clk-mpfs.c | 76 ++++---------------------------- 1 file changed, 8 insertions(+), 68 deletions(-)