diff options
Diffstat (limited to 'drivers/clk/clk-gemini.c')
| -rw-r--r-- | drivers/clk/clk-gemini.c | 25 |
1 files changed, 12 insertions, 13 deletions
diff --git a/drivers/clk/clk-gemini.c b/drivers/clk/clk-gemini.c index b51069e794ff..e94589c38568 100644 --- a/drivers/clk/clk-gemini.c +++ b/drivers/clk/clk-gemini.c @@ -50,7 +50,7 @@ static DEFINE_SPINLOCK(gemini_clk_lock); #define PCI_DLL_TAP_SEL_MASK 0x1f /** - * struct gemini_data_data - Gemini gated clocks + * struct gemini_gate_data - Gemini gated clocks * @bit_idx: the bit used to gate this clock in the clock register * @name: the clock name * @parent_name: the name of the parent clock @@ -67,12 +67,10 @@ struct gemini_gate_data { * struct clk_gemini_pci - Gemini PCI clock * @hw: corresponding clock hardware entry * @map: regmap to access the registers - * @rate: current rate */ struct clk_gemini_pci { struct clk_hw hw; struct regmap *map; - unsigned long rate; }; /** @@ -128,13 +126,16 @@ static unsigned long gemini_pci_recalc_rate(struct clk_hw *hw, return 33000000; } -static long gemini_pci_round_rate(struct clk_hw *hw, unsigned long rate, - unsigned long *prate) +static int gemini_pci_determine_rate(struct clk_hw *hw, + struct clk_rate_request *req) { /* We support 33 and 66 MHz */ - if (rate < 48000000) - return 33000000; - return 66000000; + if (req->rate < 48000000) + req->rate = 33000000; + else + req->rate = 66000000; + + return 0; } static int gemini_pci_set_rate(struct clk_hw *hw, unsigned long rate, @@ -181,7 +182,7 @@ static int gemini_pci_is_enabled(struct clk_hw *hw) static const struct clk_ops gemini_pci_clk_ops = { .recalc_rate = gemini_pci_recalc_rate, - .round_rate = gemini_pci_round_rate, + .determine_rate = gemini_pci_determine_rate, .set_rate = gemini_pci_set_rate, .enable = gemini_pci_enable, .disable = gemini_pci_disable, @@ -276,7 +277,6 @@ static int gemini_clk_probe(struct platform_device *pdev) struct device *dev = &pdev->dev; struct device_node *np = dev->of_node; unsigned int mult, div; - struct resource *res; u32 val; int ret; int i; @@ -286,8 +286,7 @@ static int gemini_clk_probe(struct platform_device *pdev) return -ENOMEM; /* Remap the system controller for the exclusive register */ - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - base = devm_ioremap_resource(dev, res); + base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(base)) return PTR_ERR(base); @@ -404,6 +403,7 @@ static void __init gemini_cc_init(struct device_node *np) GFP_KERNEL); if (!gemini_clk_data) return; + gemini_clk_data->num = GEMINI_NUM_CLKS; /* * This way all clock fetched before the platform device probes, @@ -457,7 +457,6 @@ static void __init gemini_cc_init(struct device_node *np) gemini_clk_data->hws[GEMINI_CLK_APB] = hw; /* Register the clocks to be accessed by the device tree */ - gemini_clk_data->num = GEMINI_NUM_CLKS; of_clk_add_hw_provider(np, of_clk_hw_onecell_get, gemini_clk_data); } CLK_OF_DECLARE_DRIVER(gemini_cc, "cortina,gemini-syscon", gemini_cc_init); |