clk: en7523: Remove pcie prepare/unpreare callbacks for EN7581 SoC

Get rid of prepare and unpreare callbacks for PCIe clock since they can
be modeled as a reset line cosumed by the PCIe driver
(pcie-mediatek-gen3)

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Tested-by: Zhengping Zhang <zhengping.zhang@airoha.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://lore.kernel.org/r/16df149975514d3030499c48fc1c64f090093595.1719485847.git.lorenzo@kernel.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>

diff --git a/drivers/clk/clk-en7523.c b/drivers/clk/clk-en7523.c
index 5cd501b8655785a4b6edf09f39ba92bbf00876ea..b134821b23c17c32e0d477e6b077c717218cb691 100644 (file)
--- a/drivers/clk/clk-en7523.c
+++ b/drivers/clk/clk-en7523.c
@@ -361,9 +361,8 @@ static struct clk_hw *en7523_register_pcie_clk(struct device *dev,
        cg->base = np_base;
        cg->hw.init = &init;
 
-       if (init.ops->disable)
-               init.ops->disable(&cg->hw);
-       init.ops->unprepare(&cg->hw);
+       if (init.ops->unprepare)
+               init.ops->unprepare(&cg->hw);
 
        if (clk_hw_register(dev, &cg->hw))
                return NULL;
@@ -381,23 +380,6 @@ static int en7581_pci_is_enabled(struct clk_hw *hw)
        return (val & mask) == mask;
 }
 
-static int en7581_pci_prepare(struct clk_hw *hw)
-{
-       struct en_clk_gate *cg = container_of(hw, struct en_clk_gate, hw);
-       void __iomem *np_base = cg->base;
-       u32 val, mask;
-
-       mask = REG_RESET_CONTROL_PCIE1 | REG_RESET_CONTROL_PCIE2 |
-              REG_RESET_CONTROL_PCIEHB;
-       val = readl(np_base + REG_RESET_CONTROL1);
-       writel(val & ~mask, np_base + REG_RESET_CONTROL1);
-       val = readl(np_base + REG_RESET_CONTROL2);
-       writel(val & ~REG_RESET2_CONTROL_PCIE2, np_base + REG_RESET_CONTROL2);
-       usleep_range(5000, 10000);
-
-       return 0;
-}
-
 static int en7581_pci_enable(struct clk_hw *hw)
 {
        struct en_clk_gate *cg = container_of(hw, struct en_clk_gate, hw);
@@ -414,23 +396,6 @@ static int en7581_pci_enable(struct clk_hw *hw)
        return 0;
 }
 
-static void en7581_pci_unprepare(struct clk_hw *hw)
-{
-       struct en_clk_gate *cg = container_of(hw, struct en_clk_gate, hw);
-       void __iomem *np_base = cg->base;
-       u32 val, mask;
-
-       mask = REG_RESET_CONTROL_PCIE1 | REG_RESET_CONTROL_PCIE2 |
-              REG_RESET_CONTROL_PCIEHB;
-       val = readl(np_base + REG_RESET_CONTROL1);
-       writel(val | mask, np_base + REG_RESET_CONTROL1);
-       mask = REG_RESET_CONTROL_PCIE1 | REG_RESET_CONTROL_PCIE2;
-       writel(val | mask, np_base + REG_RESET_CONTROL1);
-       val = readl(np_base + REG_RESET_CONTROL2);
-       writel(val | REG_RESET_CONTROL_PCIE2, np_base + REG_RESET_CONTROL2);
-       msleep(100);
-}
-
 static void en7581_pci_disable(struct clk_hw *hw)
 {
        struct en_clk_gate *cg = container_of(hw, struct en_clk_gate, hw);
@@ -651,9 +616,7 @@ static const struct en_clk_soc_data en7523_data = {
 static const struct en_clk_soc_data en7581_data = {
        .pcie_ops = {
                .is_enabled = en7581_pci_is_enabled,
-               .prepare = en7581_pci_prepare,
                .enable = en7581_pci_enable,
-               .unprepare = en7581_pci_unprepare,
                .disable = en7581_pci_disable,
        },
        .reset = {