diff options
Diffstat (limited to 'drivers/clk')
-rw-r--r-- | drivers/clk/clk-s2mps11.c | 7 | ||||
-rw-r--r-- | drivers/clk/sunxi/clk-sun6i-apb0-gates.c | 2 | ||||
-rw-r--r-- | drivers/clk/ti/apll.c | 8 | ||||
-rw-r--r-- | drivers/clk/ti/clk-43xx.c | 16 | ||||
-rw-r--r-- | drivers/clk/ti/dpll.c | 5 | ||||
-rw-r--r-- | drivers/clk/ti/mux.c | 2 |
6 files changed, 26 insertions, 14 deletions
diff --git a/drivers/clk/clk-s2mps11.c b/drivers/clk/clk-s2mps11.c index 9b7b5859a420..3757e9e72d37 100644 --- a/drivers/clk/clk-s2mps11.c +++ b/drivers/clk/clk-s2mps11.c @@ -230,16 +230,13 @@ static int s2mps11_clk_probe(struct platform_device *pdev) goto err_reg; } - s2mps11_clk->lookup = devm_kzalloc(&pdev->dev, - sizeof(struct clk_lookup), GFP_KERNEL); + s2mps11_clk->lookup = clkdev_alloc(s2mps11_clk->clk, + s2mps11_name(s2mps11_clk), NULL); if (!s2mps11_clk->lookup) { ret = -ENOMEM; goto err_lup; } - s2mps11_clk->lookup->con_id = s2mps11_name(s2mps11_clk); - s2mps11_clk->lookup->clk = s2mps11_clk->clk; - clkdev_add(s2mps11_clk->lookup); } diff --git a/drivers/clk/sunxi/clk-sun6i-apb0-gates.c b/drivers/clk/sunxi/clk-sun6i-apb0-gates.c index 44cd27c5c401..670f90d629d7 100644 --- a/drivers/clk/sunxi/clk-sun6i-apb0-gates.c +++ b/drivers/clk/sunxi/clk-sun6i-apb0-gates.c @@ -29,7 +29,7 @@ static int sun6i_a31_apb0_gates_clk_probe(struct platform_device *pdev) r = platform_get_resource(pdev, IORESOURCE_MEM, 0); reg = devm_ioremap_resource(&pdev->dev, r); - if (!reg) + if (IS_ERR(reg)) return PTR_ERR(reg); clk_parent = of_clk_get_parent_name(np, 0); diff --git a/drivers/clk/ti/apll.c b/drivers/clk/ti/apll.c index 5428c9c547cd..72d97279eae1 100644 --- a/drivers/clk/ti/apll.c +++ b/drivers/clk/ti/apll.c @@ -77,13 +77,11 @@ static int dra7_apll_enable(struct clk_hw *hw) if (i == MAX_APLL_WAIT_TRIES) { pr_warn("clock: %s failed transition to '%s'\n", clk_name, (state) ? "locked" : "bypassed"); - } else { + r = -EBUSY; + } else pr_debug("clock: %s transition to '%s' in %d loops\n", clk_name, (state) ? "locked" : "bypassed", i); - r = 0; - } - return r; } @@ -338,7 +336,7 @@ static void __init of_omap2_apll_setup(struct device_node *node) const char *parent_name; u32 val; - ad = kzalloc(sizeof(*clk_hw), GFP_KERNEL); + ad = kzalloc(sizeof(*ad), GFP_KERNEL); clk_hw = kzalloc(sizeof(*clk_hw), GFP_KERNEL); init = kzalloc(sizeof(*init), GFP_KERNEL); diff --git a/drivers/clk/ti/clk-43xx.c b/drivers/clk/ti/clk-43xx.c index 527a43da3d33..3795fce8a830 100644 --- a/drivers/clk/ti/clk-43xx.c +++ b/drivers/clk/ti/clk-43xx.c @@ -116,9 +116,25 @@ static struct ti_dt_clk am43xx_clks[] = { int __init am43xx_dt_clk_init(void) { + struct clk *clk1, *clk2; + ti_dt_clocks_register(am43xx_clks); omap2_clk_disable_autoidle_all(); + /* + * cpsw_cpts_rft_clk has got the choice of 3 clocksources + * dpll_core_m4_ck, dpll_core_m5_ck and dpll_disp_m2_ck. + * By default dpll_core_m4_ck is selected, witn this as clock + * source the CPTS doesnot work properly. It gives clockcheck errors + * while running PTP. + * clockcheck: clock jumped backward or running slower than expected! + * By selecting dpll_core_m5_ck as the clocksource fixes this issue. + * In AM335x dpll_core_m5_ck is the default clocksource. + */ + clk1 = clk_get_sys(NULL, "cpsw_cpts_rft_clk"); + clk2 = clk_get_sys(NULL, "dpll_core_m5_ck"); + clk_set_parent(clk1, clk2); + return 0; } diff --git a/drivers/clk/ti/dpll.c b/drivers/clk/ti/dpll.c index abd956d5f838..79791e1bf282 100644 --- a/drivers/clk/ti/dpll.c +++ b/drivers/clk/ti/dpll.c @@ -161,7 +161,8 @@ cleanup: } #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5) || \ - defined(CONFIG_SOC_DRA7XX) || defined(CONFIG_SOC_AM33XX) + defined(CONFIG_SOC_DRA7XX) || defined(CONFIG_SOC_AM33XX) || \ + defined(CONFIG_SOC_AM43XX) /** * ti_clk_register_dpll_x2 - Registers a DPLLx2 clock * @node: device node for this clock @@ -322,7 +323,7 @@ CLK_OF_DECLARE(ti_omap4_dpll_x2_clock, "ti,omap4-dpll-x2-clock", of_ti_omap4_dpll_x2_setup); #endif -#ifdef CONFIG_SOC_AM33XX +#if defined(CONFIG_SOC_AM33XX) || defined(CONFIG_SOC_AM43XX) static void __init of_ti_am3_dpll_x2_setup(struct device_node *node) { ti_clk_register_dpll_x2(node, &dpll_x2_ck_ops, NULL); diff --git a/drivers/clk/ti/mux.c b/drivers/clk/ti/mux.c index 0197a478720c..e9d650e51287 100644 --- a/drivers/clk/ti/mux.c +++ b/drivers/clk/ti/mux.c @@ -160,7 +160,7 @@ static void of_mux_clk_setup(struct device_node *node) u8 clk_mux_flags = 0; u32 mask = 0; u32 shift = 0; - u32 flags = 0; + u32 flags = CLK_SET_RATE_NO_REPARENT; num_parents = of_clk_get_parent_count(node); if (num_parents < 2) { |