diff options
Diffstat (limited to 'drivers/clk/mediatek/clk-pll.c')
-rw-r--r-- | drivers/clk/mediatek/clk-pll.c | 64 |
1 files changed, 30 insertions, 34 deletions
diff --git a/drivers/clk/mediatek/clk-pll.c b/drivers/clk/mediatek/clk-pll.c index ccaa2085ab4d..54e6cfd29dfc 100644 --- a/drivers/clk/mediatek/clk-pll.c +++ b/drivers/clk/mediatek/clk-pll.c @@ -243,7 +243,6 @@ static int mtk_pll_prepare(struct clk_hw *hw) { struct mtk_clk_pll *pll = to_mtk_clk_pll(hw); u32 r; - u32 div_en_mask; r = readl(pll->pwr_addr) | CON0_PWR_ON; writel(r, pll->pwr_addr); @@ -256,9 +255,8 @@ static int mtk_pll_prepare(struct clk_hw *hw) r = readl(pll->en_addr) | BIT(pll->data->pll_en_bit); writel(r, pll->en_addr); - div_en_mask = pll->data->en_mask & ~CON0_BASE_EN; - if (div_en_mask) { - r = readl(pll->base_addr + REG_CON0) | div_en_mask; + if (pll->data->en_mask) { + r = readl(pll->base_addr + REG_CON0) | pll->data->en_mask; writel(r, pll->base_addr + REG_CON0); } @@ -279,7 +277,6 @@ static void mtk_pll_unprepare(struct clk_hw *hw) { struct mtk_clk_pll *pll = to_mtk_clk_pll(hw); u32 r; - u32 div_en_mask; if (pll->data->flags & HAVE_RST_BAR) { r = readl(pll->base_addr + REG_CON0); @@ -289,9 +286,8 @@ static void mtk_pll_unprepare(struct clk_hw *hw) __mtk_pll_tuner_disable(pll); - div_en_mask = pll->data->en_mask & ~CON0_BASE_EN; - if (div_en_mask) { - r = readl(pll->base_addr + REG_CON0) & ~div_en_mask; + if (pll->data->en_mask) { + r = readl(pll->base_addr + REG_CON0) & ~pll->data->en_mask; writel(r, pll->base_addr + REG_CON0); } @@ -314,12 +310,12 @@ static const struct clk_ops mtk_pll_ops = { .set_rate = mtk_pll_set_rate, }; -static struct clk *mtk_clk_register_pll(const struct mtk_pll_data *data, +static struct clk_hw *mtk_clk_register_pll(const struct mtk_pll_data *data, void __iomem *base) { struct mtk_clk_pll *pll; struct clk_init_data init = {}; - struct clk *clk; + int ret; const char *parent_name = "clk26m"; pll = kzalloc(sizeof(*pll), GFP_KERNEL); @@ -354,36 +350,36 @@ static struct clk *mtk_clk_register_pll(const struct mtk_pll_data *data, init.parent_names = &parent_name; init.num_parents = 1; - clk = clk_register(NULL, &pll->hw); + ret = clk_hw_register(NULL, &pll->hw); - if (IS_ERR(clk)) + if (ret) { kfree(pll); + return ERR_PTR(ret); + } - return clk; + return &pll->hw; } -static void mtk_clk_unregister_pll(struct clk *clk) +static void mtk_clk_unregister_pll(struct clk_hw *hw) { - struct clk_hw *hw; struct mtk_clk_pll *pll; - hw = __clk_get_hw(clk); if (!hw) return; pll = to_mtk_clk_pll(hw); - clk_unregister(clk); + clk_hw_unregister(hw); kfree(pll); } int mtk_clk_register_plls(struct device_node *node, const struct mtk_pll_data *plls, int num_plls, - struct clk_onecell_data *clk_data) + struct clk_hw_onecell_data *clk_data) { void __iomem *base; int i; - struct clk *clk; + struct clk_hw *hw; base = of_iomap(node, 0); if (!base) { @@ -394,20 +390,21 @@ int mtk_clk_register_plls(struct device_node *node, for (i = 0; i < num_plls; i++) { const struct mtk_pll_data *pll = &plls[i]; - if (!IS_ERR_OR_NULL(clk_data->clks[pll->id])) { + if (!IS_ERR_OR_NULL(clk_data->hws[pll->id])) { pr_warn("%pOF: Trying to register duplicate clock ID: %d\n", node, pll->id); continue; } - clk = mtk_clk_register_pll(pll, base); + hw = mtk_clk_register_pll(pll, base); - if (IS_ERR(clk)) { - pr_err("Failed to register clk %s: %pe\n", pll->name, clk); + if (IS_ERR(hw)) { + pr_err("Failed to register clk %s: %pe\n", pll->name, + hw); goto err; } - clk_data->clks[pll->id] = clk; + clk_data->hws[pll->id] = hw; } return 0; @@ -416,27 +413,26 @@ err: while (--i >= 0) { const struct mtk_pll_data *pll = &plls[i]; - mtk_clk_unregister_pll(clk_data->clks[pll->id]); - clk_data->clks[pll->id] = ERR_PTR(-ENOENT); + mtk_clk_unregister_pll(clk_data->hws[pll->id]); + clk_data->hws[pll->id] = ERR_PTR(-ENOENT); } iounmap(base); - return PTR_ERR(clk); + return PTR_ERR(hw); } EXPORT_SYMBOL_GPL(mtk_clk_register_plls); -static __iomem void *mtk_clk_pll_get_base(struct clk *clk, +static __iomem void *mtk_clk_pll_get_base(struct clk_hw *hw, const struct mtk_pll_data *data) { - struct clk_hw *hw = __clk_get_hw(clk); struct mtk_clk_pll *pll = to_mtk_clk_pll(hw); return pll->base_addr - data->reg; } void mtk_clk_unregister_plls(const struct mtk_pll_data *plls, int num_plls, - struct clk_onecell_data *clk_data) + struct clk_hw_onecell_data *clk_data) { __iomem void *base = NULL; int i; @@ -447,7 +443,7 @@ void mtk_clk_unregister_plls(const struct mtk_pll_data *plls, int num_plls, for (i = num_plls; i > 0; i--) { const struct mtk_pll_data *pll = &plls[i - 1]; - if (IS_ERR_OR_NULL(clk_data->clks[pll->id])) + if (IS_ERR_OR_NULL(clk_data->hws[pll->id])) continue; /* @@ -456,10 +452,10 @@ void mtk_clk_unregister_plls(const struct mtk_pll_data *plls, int num_plls, * pointer to the I/O region base address. We have to fetch * it from one of the registered clks. */ - base = mtk_clk_pll_get_base(clk_data->clks[pll->id], pll); + base = mtk_clk_pll_get_base(clk_data->hws[pll->id], pll); - mtk_clk_unregister_pll(clk_data->clks[pll->id]); - clk_data->clks[pll->id] = ERR_PTR(-ENOENT); + mtk_clk_unregister_pll(clk_data->hws[pll->id]); + clk_data->hws[pll->id] = ERR_PTR(-ENOENT); } iounmap(base); |