From 235d2aaa77325b5db58c69b586a3c3f35897baa9 Mon Sep 17 00:00:00 2001 From: Stephen Boyd Date: Wed, 1 Jun 2016 16:15:09 -0700 Subject: clk: axm5516: Migrate to clk_hw based OF and registration APIs Now that we have clk_hw based provider APIs to register clks, we can get rid of struct clk pointers while registering clks in these drivers, allowing us to move closer to a clear split of consumer and provider clk APIs. Make thing simple by using the existing clk_hw array and implementing a custom DT clk provider get function to map the clk spec id to a clk_hw pointer. Cc: Anders Berg Signed-off-by: Stephen Boyd Signed-off-by: Stephen Boyd --- drivers/clk/clk-axm5516.c | 39 +++++++++++++++++---------------------- 1 file changed, 17 insertions(+), 22 deletions(-) (limited to 'drivers/clk/clk-axm5516.c') diff --git a/drivers/clk/clk-axm5516.c b/drivers/clk/clk-axm5516.c index c7c91a5ecf8b..5d7ae333257e 100644 --- a/drivers/clk/clk-axm5516.c +++ b/drivers/clk/clk-axm5516.c @@ -516,6 +516,19 @@ static struct axxia_clk *axmclk_clocks[] = { [AXXIA_CLK_MMC] = &clk_mmc_mux.aclk, }; +static struct clk_hw * +of_clk_axmclk_get(struct of_phandle_args *clkspec, void *unused) +{ + unsigned int idx = clkspec->args[0]; + + if (idx >= ARRAY_SIZE(axmclk_clocks)) { + pr_err("%s: invalid index %u\n", __func__, idx); + return ERR_PTR(-EINVAL); + } + + return &axmclk_clocks[idx]->hw; +} + static const struct regmap_config axmclk_regmap_config = { .reg_bits = 32, .reg_stride = 4, @@ -530,21 +543,14 @@ static const struct of_device_id axmclk_match_table[] = { }; MODULE_DEVICE_TABLE(of, axmclk_match_table); -struct axmclk_priv { - struct clk_onecell_data onecell; - struct clk *clks[]; -}; - static int axmclk_probe(struct platform_device *pdev) { void __iomem *base; struct resource *res; int i, ret; struct device *dev = &pdev->dev; - struct clk *clk; struct regmap *regmap; size_t num_clks; - struct axmclk_priv *priv; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); base = devm_ioremap_resource(dev, res); @@ -557,29 +563,18 @@ static int axmclk_probe(struct platform_device *pdev) num_clks = ARRAY_SIZE(axmclk_clocks); pr_info("axmclk: supporting %zu clocks\n", num_clks); - priv = devm_kzalloc(dev, sizeof(*priv) + sizeof(*priv->clks) * num_clks, - GFP_KERNEL); - if (!priv) - return -ENOMEM; - - priv->onecell.clks = priv->clks; - priv->onecell.clk_num = num_clks; /* Update each entry with the allocated regmap and register the clock * with the common clock framework */ for (i = 0; i < num_clks; i++) { axmclk_clocks[i]->regmap = regmap; - clk = devm_clk_register(dev, &axmclk_clocks[i]->hw); - if (IS_ERR(clk)) - return PTR_ERR(clk); - priv->clks[i] = clk; + ret = devm_clk_hw_register(dev, &axmclk_clocks[i]->hw); + if (ret) + return ret; } - ret = of_clk_add_provider(dev->of_node, - of_clk_src_onecell_get, &priv->onecell); - - return ret; + return of_clk_add_hw_provider(dev->of_node, of_clk_axmclk_get, NULL); } static int axmclk_remove(struct platform_device *pdev) -- cgit v1.2.3