diff options
Diffstat (limited to 'drivers/clk/renesas/renesas-cpg-mssr.c')
| -rw-r--r-- | drivers/clk/renesas/renesas-cpg-mssr.c | 25 |
1 files changed, 9 insertions, 16 deletions
diff --git a/drivers/clk/renesas/renesas-cpg-mssr.c b/drivers/clk/renesas/renesas-cpg-mssr.c index 082d0bf12ea7..52bbb9ce3807 100644 --- a/drivers/clk/renesas/renesas-cpg-mssr.c +++ b/drivers/clk/renesas/renesas-cpg-mssr.c @@ -112,14 +112,15 @@ static const u16 srcr[] = { * @dev: CPG/MSSR device * @base: CPG/MSSR register block base address * @rmw_lock: protects RMW register accesses - * @clks: Array containing all Core and Module Clocks + * @np: Device node in DT for this CPG/MSSR module * @num_core_clks: Number of Core Clocks in clks[] * @num_mod_clks: Number of Module Clocks in clks[] * @last_dt_core_clk: ID of the last Core Clock exported to DT + * @stbyctrl: This device has Standby Control Registers * @notifiers: Notifier chain to save/restore clock state for system resume * @smstpcr_saved[].mask: Mask of SMSTPCR[] bits under our control * @smstpcr_saved[].val: Saved values of SMSTPCR[] - * @stbyctrl: This device has Standby Control Registers + * @clks: Array containing all Core and Module Clocks */ struct cpg_mssr_priv { #ifdef CONFIG_RESET_CONTROLLER @@ -130,7 +131,6 @@ struct cpg_mssr_priv { spinlock_t rmw_lock; struct device_node *np; - struct clk **clks; unsigned int num_core_clks; unsigned int num_mod_clks; unsigned int last_dt_core_clk; @@ -141,6 +141,8 @@ struct cpg_mssr_priv { u32 mask; u32 val; } smstpcr_saved[ARRAY_SIZE(smstpcr)]; + + struct clk *clks[]; }; static struct cpg_mssr_priv *cpg_mssr_priv; @@ -448,7 +450,7 @@ fail: struct cpg_mssr_clk_domain { struct generic_pm_domain genpd; unsigned int num_core_pm_clks; - unsigned int core_pm_clks[0]; + unsigned int core_pm_clks[]; }; static struct cpg_mssr_clk_domain *cpg_mssr_clk_domain; @@ -890,7 +892,6 @@ static int __init cpg_mssr_common_init(struct device *dev, const struct cpg_mssr_info *info) { struct cpg_mssr_priv *priv; - struct clk **clks = NULL; unsigned int nclks, i; int error; @@ -900,7 +901,8 @@ static int __init cpg_mssr_common_init(struct device *dev, return error; } - priv = kzalloc(sizeof(*priv), GFP_KERNEL); + nclks = info->num_total_core_clks + info->num_hw_mod_clks; + priv = kzalloc(struct_size(priv, clks, nclks), GFP_KERNEL); if (!priv) return -ENOMEM; @@ -914,15 +916,7 @@ static int __init cpg_mssr_common_init(struct device *dev, goto out_err; } - nclks = info->num_total_core_clks + info->num_hw_mod_clks; - clks = kmalloc_array(nclks, sizeof(*clks), GFP_KERNEL); - if (!clks) { - error = -ENOMEM; - goto out_err; - } - cpg_mssr_priv = priv; - priv->clks = clks; priv->num_core_clks = info->num_total_core_clks; priv->num_mod_clks = info->num_hw_mod_clks; priv->last_dt_core_clk = info->last_dt_core_clk; @@ -930,7 +924,7 @@ static int __init cpg_mssr_common_init(struct device *dev, priv->stbyctrl = info->stbyctrl; for (i = 0; i < nclks; i++) - clks[i] = ERR_PTR(-ENOENT); + priv->clks[i] = ERR_PTR(-ENOENT); error = of_clk_add_provider(np, cpg_mssr_clk_src_twocell_get, priv); if (error) @@ -939,7 +933,6 @@ static int __init cpg_mssr_common_init(struct device *dev, return 0; out_err: - kfree(clks); if (priv->base) iounmap(priv->base); kfree(priv); |