diff options
Diffstat (limited to 'drivers')
35 files changed, 228 insertions, 110 deletions
diff --git a/drivers/clk/Kconfig b/drivers/clk/Kconfig index 45653a0e6ecd..a48e326f4ef7 100644 --- a/drivers/clk/Kconfig +++ b/drivers/clk/Kconfig @@ -27,7 +27,7 @@ config COMMON_CLK_WM831X tristate "Clock driver for WM831x/2x PMICs" depends on MFD_WM831X ---help--- - Supports the clocking subsystem of the WM831x/2x series of + Supports the clocking subsystem of the WM831x/2x series of PMICs from Wolfson Microelectronics. source "drivers/clk/versatile/Kconfig" diff --git a/drivers/clk/at91/at91sam9260.c b/drivers/clk/at91/at91sam9260.c index 0aabe49aed09..a9d4234758d7 100644 --- a/drivers/clk/at91/at91sam9260.c +++ b/drivers/clk/at91/at91sam9260.c @@ -348,7 +348,7 @@ static void __init at91sam926x_pmc_setup(struct device_node *np, return; mainxtal_name = of_clk_get_parent_name(np, i); - regmap = syscon_node_to_regmap(np); + regmap = device_node_to_regmap(np); if (IS_ERR(regmap)) return; diff --git a/drivers/clk/at91/at91sam9rl.c b/drivers/clk/at91/at91sam9rl.c index 0ac34cdaa106..77fe83a73bf4 100644 --- a/drivers/clk/at91/at91sam9rl.c +++ b/drivers/clk/at91/at91sam9rl.c @@ -83,7 +83,7 @@ static void __init at91sam9rl_pmc_setup(struct device_node *np) return; mainxtal_name = of_clk_get_parent_name(np, i); - regmap = syscon_node_to_regmap(np); + regmap = device_node_to_regmap(np); if (IS_ERR(regmap)) return; diff --git a/drivers/clk/at91/at91sam9x5.c b/drivers/clk/at91/at91sam9x5.c index 0855f3a80cc7..086cf0b4955c 100644 --- a/drivers/clk/at91/at91sam9x5.c +++ b/drivers/clk/at91/at91sam9x5.c @@ -146,7 +146,7 @@ static void __init at91sam9x5_pmc_setup(struct device_node *np, return; mainxtal_name = of_clk_get_parent_name(np, i); - regmap = syscon_node_to_regmap(np); + regmap = device_node_to_regmap(np); if (IS_ERR(regmap)) return; diff --git a/drivers/clk/at91/clk-sam9x60-pll.c b/drivers/clk/at91/clk-sam9x60-pll.c index 34b817825b22..dfb354a5ff18 100644 --- a/drivers/clk/at91/clk-sam9x60-pll.c +++ b/drivers/clk/at91/clk-sam9x60-pll.c @@ -25,7 +25,8 @@ #define PMC_PLL_CTRL1_MUL_MSK GENMASK(30, 24) #define PMC_PLL_ACR 0x18 -#define PMC_PLL_ACR_DEFAULT 0x1b040010UL +#define PMC_PLL_ACR_DEFAULT_UPLL 0x12020010UL +#define PMC_PLL_ACR_DEFAULT_PLLA 0x00020010UL #define PMC_PLL_ACR_UTMIVR BIT(12) #define PMC_PLL_ACR_UTMIBG BIT(13) #define PMC_PLL_ACR_LOOP_FILTER_MSK GENMASK(31, 24) @@ -88,7 +89,10 @@ static int sam9x60_pll_prepare(struct clk_hw *hw) } /* Recommended value for PMC_PLL_ACR */ - val = PMC_PLL_ACR_DEFAULT; + if (pll->characteristics->upll) + val = PMC_PLL_ACR_DEFAULT_UPLL; + else + val = PMC_PLL_ACR_DEFAULT_PLLA; regmap_write(regmap, PMC_PLL_ACR, val); regmap_write(regmap, PMC_PLL_CTRL1, diff --git a/drivers/clk/at91/pmc.c b/drivers/clk/at91/pmc.c index 0b03cfae3a9d..b71515acdec1 100644 --- a/drivers/clk/at91/pmc.c +++ b/drivers/clk/at91/pmc.c @@ -275,7 +275,7 @@ static int __init pmc_register_ops(void) np = of_find_matching_node(NULL, sama5d2_pmc_dt_ids); - pmcreg = syscon_node_to_regmap(np); + pmcreg = device_node_to_regmap(np); if (IS_ERR(pmcreg)) return PTR_ERR(pmcreg); diff --git a/drivers/clk/at91/sam9x60.c b/drivers/clk/at91/sam9x60.c index 86238d5ecb4d..77398aefeb6d 100644 --- a/drivers/clk/at91/sam9x60.c +++ b/drivers/clk/at91/sam9x60.c @@ -47,6 +47,7 @@ static const struct clk_programmable_layout sam9x60_programmable_layout = { .pres_shift = 8, .css_mask = 0x1f, .have_slck_mck = 0, + .is_pres_direct = 1, }; static const struct clk_pcr_layout sam9x60_pcr_layout = { diff --git a/drivers/clk/at91/sama5d2.c b/drivers/clk/at91/sama5d2.c index 0de1108737db..ff7e3f727082 100644 --- a/drivers/clk/at91/sama5d2.c +++ b/drivers/clk/at91/sama5d2.c @@ -162,7 +162,7 @@ static void __init sama5d2_pmc_setup(struct device_node *np) return; mainxtal_name = of_clk_get_parent_name(np, i); - regmap = syscon_node_to_regmap(np); + regmap = device_node_to_regmap(np); if (IS_ERR(regmap)) return; diff --git a/drivers/clk/at91/sama5d4.c b/drivers/clk/at91/sama5d4.c index 25b156d4e645..a6dee4a3b6e4 100644 --- a/drivers/clk/at91/sama5d4.c +++ b/drivers/clk/at91/sama5d4.c @@ -136,7 +136,7 @@ static void __init sama5d4_pmc_setup(struct device_node *np) return; mainxtal_name = of_clk_get_parent_name(np, i); - regmap = syscon_node_to_regmap(np); + regmap = device_node_to_regmap(np); if (IS_ERR(regmap)) return; diff --git a/drivers/clk/clk-bm1880.c b/drivers/clk/clk-bm1880.c index 4cd175afce9b..e6d6599d310a 100644 --- a/drivers/clk/clk-bm1880.c +++ b/drivers/clk/clk-bm1880.c @@ -474,11 +474,10 @@ static struct bm1880_composite_clock bm1880_composite_clks[] = { static unsigned long bm1880_pll_rate_calc(u32 regval, unsigned long parent_rate) { u64 numerator; - u32 fbdiv, fref, refdiv; + u32 fbdiv, refdiv; u32 postdiv1, postdiv2, denominator; fbdiv = (regval >> 16) & 0xfff; - fref = parent_rate; refdiv = regval & 0x1f; postdiv1 = (regval >> 8) & 0x7; postdiv2 = (regval >> 12) & 0x7; diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c index b68e200829f2..fa99d0b42ccb 100644 --- a/drivers/clk/clk.c +++ b/drivers/clk/clk.c @@ -3249,6 +3249,34 @@ static inline void clk_debug_unregister(struct clk_core *core) } #endif +static void clk_core_reparent_orphans_nolock(void) +{ + struct clk_core *orphan; + struct hlist_node *tmp2; + + /* + * walk the list of orphan clocks and reparent any that newly finds a + * parent. + */ + hlist_for_each_entry_safe(orphan, tmp2, &clk_orphan_list, child_node) { + struct clk_core *parent = __clk_init_parent(orphan); + + /* + * We need to use __clk_set_parent_before() and _after() to + * to properly migrate any prepare/enable count of the orphan + * clock. This is important for CLK_IS_CRITICAL clocks, which + * are enabled during init but might not have a parent yet. + */ + if (parent) { + /* update the clk tree topology */ + __clk_set_parent_before(orphan, parent); + __clk_set_parent_after(orphan, parent, NULL); + __clk_recalc_accuracies(orphan); + __clk_recalc_rates(orphan, 0); + } + } +} + /** * __clk_core_init - initialize the data structures in a struct clk_core * @core: clk_core being initialized @@ -3259,8 +3287,6 @@ static inline void clk_debug_unregister(struct clk_core *core) static int __clk_core_init(struct clk_core *core) { int ret; - struct clk_core *orphan; - struct hlist_node *tmp2; unsigned long rate; if (!core) @@ -3312,6 +3338,26 @@ static int __clk_core_init(struct clk_core *core) goto out; } + /* + * optional platform-specific magic + * + * The .init callback is not used by any of the basic clock types, but + * exists for weird hardware that must perform initialization magic for + * CCF to get an accurate view of clock for any other callbacks. It may + * also be used needs to perform dynamic allocations. Such allocation + * must be freed in the terminate() callback. + * This callback shall not be used to initialize the parameters state, + * such as rate, parent, etc ... + * + * If it exist, this callback should called before any other callback of + * the clock + */ + if (core->ops->init) { + ret = core->ops->init(core->hw); + if (ret) + goto out; + } + core->parent = __clk_init_parent(core); /* @@ -3337,17 +3383,6 @@ static int __clk_core_init(struct clk_core *core) } /* - * optional platform-specific magic - * - * The .init callback is not used by any of the basic clock types, but - * exists for weird hardware that must perform initialization magic. - * Please consider other ways of solving initialization problems before - * using this callback, as its use is discouraged. - */ - if (core->ops->init) - core->ops->init(core->hw); - - /* * Set clk's accuracy. The preferred method is to use * .recalc_accuracy. For simple clocks and lazy developers the default * fallback is to use the parent's accuracy. If a clock doesn't have a @@ -3400,34 +3435,26 @@ static int __clk_core_init(struct clk_core *core) if (core->flags & CLK_IS_CRITICAL) { unsigned long flags; - clk_core_prepare(core); + ret = clk_core_prepare(core); + if (ret) { + pr_warn("%s: critical clk '%s' failed to prepare\n", + __func__, core->name); + goto out; + } flags = clk_enable_lock(); - clk_core_enable(core); + ret = clk_core_enable(core); clk_enable_unlock(flags); + if (ret) { + pr_warn("%s: critical clk '%s' failed to enable\n", + __func__, core->name); + clk_core_unprepare(core); + goto out; + } } - /* - * walk the list of orphan clocks and reparent any that newly finds a - * parent. - */ - hlist_for_each_entry_safe(orphan, tmp2, &clk_orphan_list, child_node) { - struct clk_core *parent = __clk_init_parent(orphan); + clk_core_reparent_orphans_nolock(); - /* - * We need to use __clk_set_parent_before() and _after() to - * to properly migrate any prepare/enable count of the orphan - * clock. This is important for CLK_IS_CRITICAL clocks, which - * are enabled during init but might not have a parent yet. - */ - if (parent) { - /* update the clk tree topology */ - __clk_set_parent_before(orphan, parent); - __clk_set_parent_after(orphan, parent, NULL); - __clk_recalc_accuracies(orphan); - __clk_recalc_rates(orphan, 0); - } - } kref_init(&core->ref); out: @@ -3720,6 +3747,28 @@ fail_out: } /** + * dev_or_parent_of_node() - Get device node of @dev or @dev's parent + * @dev: Device to get device node of + * + * Return: device node pointer of @dev, or the device node pointer of + * @dev->parent if dev doesn't have a device node, or NULL if neither + * @dev or @dev->parent have a device node. + */ +static struct device_node *dev_or_parent_of_node(struct device *dev) +{ + struct device_node *np; + + if (!dev) + return NULL; + + np = dev_of_node(dev); + if (!np) + np = dev_of_node(dev->parent); + + return np; +} + +/** * clk_register - allocate a new clock, register it and return an opaque cookie * @dev: device that is registering this clock * @hw: link to hardware-specific clock data @@ -3734,7 +3783,7 @@ fail_out: */ struct clk *clk_register(struct device *dev, struct clk_hw *hw) { - return __clk_register(dev, dev_of_node(dev), hw); + return __clk_register(dev, dev_or_parent_of_node(dev), hw); } EXPORT_SYMBOL_GPL(clk_register); @@ -3750,7 +3799,8 @@ EXPORT_SYMBOL_GPL(clk_register); */ int clk_hw_register(struct device *dev, struct clk_hw *hw) { - return PTR_ERR_OR_ZERO(__clk_register(dev, dev_of_node(dev), hw)); + return PTR_ERR_OR_ZERO(__clk_register(dev, dev_or_parent_of_node(dev), + hw)); } EXPORT_SYMBOL_GPL(clk_hw_register); @@ -3853,6 +3903,7 @@ static void clk_core_evict_parent_cache(struct clk_core *core) void clk_unregister(struct clk *clk) { unsigned long flags; + const struct clk_ops *ops; if (!clk || WARN_ON_ONCE(IS_ERR(clk))) return; @@ -3861,7 +3912,8 @@ void clk_unregister(struct clk *clk) clk_prepare_lock(); - if (clk->core->ops == &clk_nodrv_ops) { + ops = clk->core->ops; + if (ops == &clk_nodrv_ops) { pr_err("%s: unregistered clock: %s\n", __func__, clk->core->name); goto unlock; @@ -3874,6 +3926,9 @@ void clk_unregister(struct clk *clk) clk->core->ops = &clk_nodrv_ops; clk_enable_unlock(flags); + if (ops->terminate) + ops->terminate(clk->core->hw); + if (!hlist_empty(&clk->core->children)) { struct clk_core *child; struct hlist_node *t; @@ -4179,6 +4234,13 @@ int clk_notifier_unregister(struct clk *clk, struct notifier_block *nb) EXPORT_SYMBOL_GPL(clk_notifier_unregister); #ifdef CONFIG_OF +static void clk_core_reparent_orphans(void) +{ + clk_prepare_lock(); + clk_core_reparent_orphans_nolock(); + clk_prepare_unlock(); +} + /** * struct of_clk_provider - Clock provider registration structure * @link: Entry in global list of clock providers @@ -4274,6 +4336,8 @@ int of_clk_add_provider(struct device_node *np, mutex_unlock(&of_clk_mutex); pr_debug("Added clock from %pOF\n", np); + clk_core_reparent_orphans(); + ret = of_clk_set_defaults(np, true); if (ret < 0) of_clk_del_provider(np); @@ -4309,6 +4373,8 @@ int of_clk_add_hw_provider(struct device_node *np, mutex_unlock(&of_clk_mutex); pr_debug("Added clk_hw provider from %pOF\n", np); + clk_core_reparent_orphans(); + ret = of_clk_set_defaults(np, true); if (ret < 0) of_clk_del_provider(np); diff --git a/drivers/clk/imx/clk-composite-8m.c b/drivers/clk/imx/clk-composite-8m.c index 388bdb94f841..d3486ee79ab5 100644 --- a/drivers/clk/imx/clk-composite-8m.c +++ b/drivers/clk/imx/clk-composite-8m.c @@ -142,6 +142,7 @@ struct clk *imx8m_clk_composite_flags(const char *name, mux->reg = reg; mux->shift = PCG_PCS_SHIFT; mux->mask = PCG_PCS_MASK; + mux->lock = &imx_ccm_lock; div = kzalloc(sizeof(*div), GFP_KERNEL); if (!div) @@ -161,6 +162,7 @@ struct clk *imx8m_clk_composite_flags(const char *name, gate_hw = &gate->hw; gate->reg = reg; gate->bit_idx = PCG_CGC_SHIFT; + gate->lock = &imx_ccm_lock; hw = clk_hw_register_composite(NULL, name, parent_names, num_parents, mux_hw, &clk_mux_ops, div_hw, diff --git a/drivers/clk/imx/clk-imx7ulp.c b/drivers/clk/imx/clk-imx7ulp.c index 3fdf3d494f0a..281191b55b3a 100644 --- a/drivers/clk/imx/clk-imx7ulp.c +++ b/drivers/clk/imx/clk-imx7ulp.c @@ -40,6 +40,7 @@ static const struct clk_div_table ulp_div_table[] = { { .val = 5, .div = 16, }, { .val = 6, .div = 32, }, { .val = 7, .div = 64, }, + { /* sentinel */ }, }; static const int pcc2_uart_clk_ids[] __initconst = { diff --git a/drivers/clk/imx/clk-pll14xx.c b/drivers/clk/imx/clk-pll14xx.c index 5c458199060a..3636c8035c7d 100644 --- a/drivers/clk/imx/clk-pll14xx.c +++ b/drivers/clk/imx/clk-pll14xx.c @@ -159,7 +159,7 @@ static int clk_pll14xx_wait_lock(struct clk_pll14xx *pll) { u32 val; - return readl_poll_timeout(pll->base, val, val & LOCK_TIMEOUT_US, 0, + return readl_poll_timeout(pll->base, val, val & LOCK_STATUS, 0, LOCK_TIMEOUT_US); } diff --git a/drivers/clk/mediatek/Kconfig b/drivers/clk/mediatek/Kconfig index 7efc3617bbd5..ea3c70d1307e 100644 --- a/drivers/clk/mediatek/Kconfig +++ b/drivers/clk/mediatek/Kconfig @@ -174,36 +174,36 @@ config COMMON_CLK_MT6779_AUDSYS This driver supports Mediatek MT6779 audsys clocks. config COMMON_CLK_MT6797 - bool "Clock driver for MediaTek MT6797" - depends on (ARCH_MEDIATEK && ARM64) || COMPILE_TEST - select COMMON_CLK_MEDIATEK - default ARCH_MEDIATEK && ARM64 - ---help--- - This driver supports MediaTek MT6797 basic clocks. + bool "Clock driver for MediaTek MT6797" + depends on (ARCH_MEDIATEK && ARM64) || COMPILE_TEST + select COMMON_CLK_MEDIATEK + default ARCH_MEDIATEK && ARM64 + ---help--- + This driver supports MediaTek MT6797 basic clocks. config COMMON_CLK_MT6797_MMSYS - bool "Clock driver for MediaTek MT6797 mmsys" - depends on COMMON_CLK_MT6797 - ---help--- - This driver supports MediaTek MT6797 mmsys clocks. + bool "Clock driver for MediaTek MT6797 mmsys" + depends on COMMON_CLK_MT6797 + ---help--- + This driver supports MediaTek MT6797 mmsys clocks. config COMMON_CLK_MT6797_IMGSYS - bool "Clock driver for MediaTek MT6797 imgsys" - depends on COMMON_CLK_MT6797 - ---help--- - This driver supports MediaTek MT6797 imgsys clocks. + bool "Clock driver for MediaTek MT6797 imgsys" + depends on COMMON_CLK_MT6797 + ---help--- + This driver supports MediaTek MT6797 imgsys clocks. config COMMON_CLK_MT6797_VDECSYS - bool "Clock driver for MediaTek MT6797 vdecsys" - depends on COMMON_CLK_MT6797 - ---help--- - This driver supports MediaTek MT6797 vdecsys clocks. + bool "Clock driver for MediaTek MT6797 vdecsys" + depends on COMMON_CLK_MT6797 + ---help--- + This driver supports MediaTek MT6797 vdecsys clocks. config COMMON_CLK_MT6797_VENCSYS - bool "Clock driver for MediaTek MT6797 vencsys" - depends on COMMON_CLK_MT6797 - ---help--- - This driver supports MediaTek MT6797 vencsys clocks. + bool "Clock driver for MediaTek MT6797 vencsys" + depends on COMMON_CLK_MT6797 + ---help--- + This driver supports MediaTek MT6797 vencsys clocks. config COMMON_CLK_MT7622 bool "Clock driver for MediaTek MT7622" diff --git a/drivers/clk/meson/clk-mpll.c b/drivers/clk/meson/clk-mpll.c index 2d39a8bc367c..fc9df4860872 100644 --- a/drivers/clk/meson/clk-mpll.c +++ b/drivers/clk/meson/clk-mpll.c @@ -129,7 +129,7 @@ static int mpll_set_rate(struct clk_hw *hw, return 0; } -static void mpll_init(struct clk_hw *hw) +static int mpll_init(struct clk_hw *hw) { struct clk_regmap *clk = to_clk_regmap(hw); struct meson_clk_mpll_data *mpll = meson_clk_mpll_data(clk); @@ -151,6 +151,8 @@ static void mpll_init(struct clk_hw *hw) /* Set the magic misc bit if required */ if (MESON_PARM_APPLICABLE(&mpll->misc)) meson_parm_write(clk->map, &mpll->misc, 1); + + return 0; } const struct clk_ops meson_clk_mpll_ro_ops = { diff --git a/drivers/clk/meson/clk-phase.c b/drivers/clk/meson/clk-phase.c index 80c3ada193a4..fe22e171121a 100644 --- a/drivers/clk/meson/clk-phase.c +++ b/drivers/clk/meson/clk-phase.c @@ -78,7 +78,7 @@ meson_clk_triphase_data(struct clk_regmap *clk) return (struct meson_clk_triphase_data *)clk->data; } -static void meson_clk_triphase_sync(struct clk_hw *hw) +static int meson_clk_triphase_sync(struct clk_hw *hw) { struct clk_regmap *clk = to_clk_regmap(hw); struct meson_clk_triphase_data *tph = meson_clk_triphase_data(clk); @@ -88,6 +88,8 @@ static void meson_clk_triphase_sync(struct clk_hw *hw) val = meson_parm_read(clk->map, &tph->ph0); meson_parm_write(clk->map, &tph->ph1, val); meson_parm_write(clk->map, &tph->ph2, val); + + return 0; } static int meson_clk_triphase_get_phase(struct clk_hw *hw) diff --git a/drivers/clk/meson/clk-pll.c b/drivers/clk/meson/clk-pll.c index ddb1e5634739..489092dde3a6 100644 --- a/drivers/clk/meson/clk-pll.c +++ b/drivers/clk/meson/clk-pll.c @@ -277,7 +277,7 @@ static int meson_clk_pll_wait_lock(struct clk_hw *hw) return -ETIMEDOUT; } -static void meson_clk_pll_init(struct clk_hw *hw) +static int meson_clk_pll_init(struct clk_hw *hw) { struct clk_regmap *clk = to_clk_regmap(hw); struct meson_clk_pll_data *pll = meson_clk_pll_data(clk); @@ -288,6 +288,8 @@ static void meson_clk_pll_init(struct clk_hw *hw) pll->init_count); meson_parm_write(clk->map, &pll->rst, 0); } + + return 0; } static int meson_clk_pll_is_enabled(struct clk_hw *hw) diff --git a/drivers/clk/meson/sclk-div.c b/drivers/clk/meson/sclk-div.c index 3acf03780221..76d31c0a3342 100644 --- a/drivers/clk/meson/sclk-div.c +++ b/drivers/clk/meson/sclk-div.c @@ -216,7 +216,7 @@ static int sclk_div_is_enabled(struct clk_hw *hw) return 0; } -static void sclk_div_init(struct clk_hw *hw) +static int sclk_div_init(struct clk_hw *hw) { struct clk_regmap *clk = to_clk_regmap(hw); struct meson_sclk_div_data *sclk = meson_sclk_div_data(clk); @@ -231,6 +231,8 @@ static void sclk_div_init(struct clk_hw *hw) sclk->cached_div = val + 1; sclk_div_get_duty_cycle(hw, &sclk->cached_duty); + + return 0; } const struct clk_ops meson_sclk_div_ops = { diff --git a/drivers/clk/microchip/clk-core.c b/drivers/clk/microchip/clk-core.c index 567755d6f844..1b4f023cdc8b 100644 --- a/drivers/clk/microchip/clk-core.c +++ b/drivers/clk/microchip/clk-core.c @@ -266,10 +266,12 @@ static void roclk_disable(struct clk_hw *hw) writel(REFO_ON | REFO_OE, PIC32_CLR(refo->ctrl_reg)); } -static void roclk_init(struct clk_hw *hw) +static int roclk_init(struct clk_hw *hw) { /* initialize clock in disabled state */ roclk_disable(hw); + + return 0; } static u8 roclk_get_parent(struct clk_hw *hw) @@ -880,7 +882,7 @@ static int sclk_set_parent(struct clk_hw *hw, u8 index) return err; } -static void sclk_init(struct clk_hw *hw) +static int sclk_init(struct clk_hw *hw) { struct pic32_sys_clk *sclk = clkhw_to_sys_clk(hw); unsigned long flags; @@ -899,6 +901,8 @@ static void sclk_init(struct clk_hw *hw) writel(v, sclk->slew_reg); spin_unlock_irqrestore(&sclk->core->reg_lock, flags); } + + return 0; } /* sclk with post-divider */ diff --git a/drivers/clk/mmp/clk-frac.c b/drivers/clk/mmp/clk-frac.c index 90bf181f191a..fabc09aca6c4 100644 --- a/drivers/clk/mmp/clk-frac.c +++ b/drivers/clk/mmp/clk-frac.c @@ -109,7 +109,7 @@ static int clk_factor_set_rate(struct clk_hw *hw, unsigned long drate, return 0; } -static void clk_factor_init(struct clk_hw *hw) +static int clk_factor_init(struct clk_hw *hw) { struct mmp_clk_factor *factor = to_clk_factor(hw); struct mmp_clk_factor_masks *masks = factor->masks; @@ -146,6 +146,8 @@ static void clk_factor_init(struct clk_hw *hw) if (factor->lock) spin_unlock_irqrestore(factor->lock, flags); + + return 0; } static const struct clk_ops clk_factor_ops = { diff --git a/drivers/clk/mmp/clk-mix.c b/drivers/clk/mmp/clk-mix.c index 90814b2613c0..d2cd36c54474 100644 --- a/drivers/clk/mmp/clk-mix.c +++ b/drivers/clk/mmp/clk-mix.c @@ -419,12 +419,14 @@ static int mmp_clk_set_rate(struct clk_hw *hw, unsigned long rate, } } -static void mmp_clk_mix_init(struct clk_hw *hw) +static int mmp_clk_mix_init(struct clk_hw *hw) { struct mmp_clk_mix *mix = to_clk_mix(hw); if (mix->table) _filter_clk_table(mix, mix->table, mix->table_size); + + return 0; } const struct clk_ops mmp_clk_mix_ops = { diff --git a/drivers/clk/mvebu/Kconfig b/drivers/clk/mvebu/Kconfig index 415e6906a113..ded07b0bd0d5 100644 --- a/drivers/clk/mvebu/Kconfig +++ b/drivers/clk/mvebu/Kconfig @@ -29,7 +29,7 @@ config ARMADA_39X_CLK select MVEBU_CLK_COMMON config ARMADA_37XX_CLK - bool + bool config ARMADA_XP_CLK bool diff --git a/drivers/clk/qcom/Kconfig b/drivers/clk/qcom/Kconfig index 3b33ef129274..f37f3cd615f2 100644 --- a/drivers/clk/qcom/Kconfig +++ b/drivers/clk/qcom/Kconfig @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0-only config KRAIT_CLOCKS - bool - select KRAIT_L2_ACCESSORS + bool + select KRAIT_L2_ACCESSORS config QCOM_GDSC bool diff --git a/drivers/clk/qcom/clk-hfpll.c b/drivers/clk/qcom/clk-hfpll.c index 3c04805f2a55..e847d586a73a 100644 --- a/drivers/clk/qcom/clk-hfpll.c +++ b/drivers/clk/qcom/clk-hfpll.c @@ -196,7 +196,7 @@ static unsigned long clk_hfpll_recalc_rate(struct clk_hw *hw, return l_val * parent_rate; } -static void clk_hfpll_init(struct clk_hw *hw) +static int clk_hfpll_init(struct clk_hw *hw) { struct clk_hfpll *h = to_clk_hfpll(hw); struct hfpll_data const *hd = h->d; @@ -206,7 +206,7 @@ static void clk_hfpll_init(struct clk_hw *hw) regmap_read(regmap, hd->mode_reg, &mode); if (mode != (PLL_BYPASSNL | PLL_RESET_N | PLL_OUTCTRL)) { __clk_hfpll_init_once(hw); - return; + return 0; } if (hd->status_reg) { @@ -218,6 +218,8 @@ static void clk_hfpll_init(struct clk_hw *hw) __clk_hfpll_init_once(hw); } } + + return 0; } static int hfpll_is_enabled(struct clk_hw *hw) diff --git a/drivers/clk/qcom/gcc-sc7180.c b/drivers/clk/qcom/gcc-sc7180.c index 38424e63bcae..7f59fb8da033 100644 --- a/drivers/clk/qcom/gcc-sc7180.c +++ b/drivers/clk/qcom/gcc-sc7180.c @@ -2186,7 +2186,8 @@ static struct gdsc hlos1_vote_mmnoc_mmu_tbu_hf0_gdsc = { .pd = { .name = "hlos1_vote_mmnoc_mmu_tbu_hf0_gdsc", }, - .pwrsts = PWRSTS_OFF_ON | VOTABLE, + .pwrsts = PWRSTS_OFF_ON, + .flags = VOTABLE, }; static struct gdsc hlos1_vote_mmnoc_mmu_tbu_sf_gdsc = { @@ -2194,7 +2195,8 @@ static struct gdsc hlos1_vote_mmnoc_mmu_tbu_sf_gdsc = { .pd = { .name = "hlos1_vote_mmnoc_mmu_tbu_sf_gdsc", }, - .pwrsts = PWRSTS_OFF_ON | VOTABLE, + .pwrsts = PWRSTS_OFF_ON, + .flags = VOTABLE, }; static struct gdsc *gcc_sc7180_gdscs[] = { diff --git a/drivers/clk/qcom/gpucc-msm8998.c b/drivers/clk/qcom/gpucc-msm8998.c index e5e2492b20c5..9b3923af02a1 100644 --- a/drivers/clk/qcom/gpucc-msm8998.c +++ b/drivers/clk/qcom/gpucc-msm8998.c @@ -242,10 +242,12 @@ static struct clk_branch gfx3d_isense_clk = { static struct gdsc gpu_cx_gdsc = { .gdscr = 0x1004, + .gds_hw_ctrl = 0x1008, .pd = { .name = "gpu_cx", }, .pwrsts = PWRSTS_OFF_ON, + .flags = VOTABLE, }; static struct gdsc gpu_gx_gdsc = { diff --git a/drivers/clk/rockchip/clk-pll.c b/drivers/clk/rockchip/clk-pll.c index 198417d56300..10560d963baf 100644 --- a/drivers/clk/rockchip/clk-pll.c +++ b/drivers/clk/rockchip/clk-pll.c @@ -282,7 +282,7 @@ static int rockchip_rk3036_pll_is_enabled(struct clk_hw *hw) return !(pllcon & RK3036_PLLCON1_PWRDOWN); } -static void rockchip_rk3036_pll_init(struct clk_hw *hw) +static int rockchip_rk3036_pll_init(struct clk_hw *hw) { struct rockchip_clk_pll *pll = to_rockchip_clk_pll(hw); const struct rockchip_pll_rate_table *rate; @@ -290,14 +290,14 @@ static void rockchip_rk3036_pll_init(struct clk_hw *hw) unsigned long drate; if (!(pll->flags & ROCKCHIP_PLL_SYNC_RATE)) - return; + return 0; drate = clk_hw_get_rate(hw); rate = rockchip_get_pll_settings(pll, drate); /* when no rate setting for the current rate, rely on clk_set_rate */ if (!rate) - return; + return 0; rockchip_rk3036_pll_get_params(pll, &cur); @@ -319,13 +319,15 @@ static void rockchip_rk3036_pll_init(struct clk_hw *hw) if (!parent) { pr_warn("%s: parent of %s not available\n", __func__, __clk_get_name(hw->clk)); - return; + return 0; } pr_debug("%s: pll %s: rate params do not match rate table, adjusting\n", __func__, __clk_get_name(hw->clk)); rockchip_rk3036_pll_set_params(pll, rate); } + + return 0; } static const struct clk_ops rockchip_rk3036_pll_clk_norate_ops = { @@ -515,7 +517,7 @@ static int rockchip_rk3066_pll_is_enabled(struct clk_hw *hw) return !(pllcon & RK3066_PLLCON3_PWRDOWN); } -static void rockchip_rk3066_pll_init(struct clk_hw *hw) +static int rockchip_rk3066_pll_init(struct clk_hw *hw) { struct rockchip_clk_pll *pll = to_rockchip_clk_pll(hw); const struct rockchip_pll_rate_table *rate; @@ -523,14 +525,14 @@ static void rockchip_rk3066_pll_init(struct clk_hw *hw) unsigned long drate; if (!(pll->flags & ROCKCHIP_PLL_SYNC_RATE)) - return; + return 0; drate = clk_hw_get_rate(hw); rate = rockchip_get_pll_settings(pll, drate); /* when no rate setting for the current rate, rely on clk_set_rate */ if (!rate) - return; + return 0; rockchip_rk3066_pll_get_params(pll, &cur); @@ -543,6 +545,8 @@ static void rockchip_rk3066_pll_init(struct clk_hw *hw) __func__, clk_hw_get_name(hw)); rockchip_rk3066_pll_set_params(pll, rate); } + + return 0; } static const struct clk_ops rockchip_rk3066_pll_clk_norate_ops = { @@ -761,7 +765,7 @@ static int rockchip_rk3399_pll_is_enabled(struct clk_hw *hw) return !(pllcon & RK3399_PLLCON3_PWRDOWN); } -static void rockchip_rk3399_pll_init(struct clk_hw *hw) +static int rockchip_rk3399_pll_init(struct clk_hw *hw) { struct rockchip_clk_pll *pll = to_rockchip_clk_pll(hw); const struct rockchip_pll_rate_table *rate; @@ -769,14 +773,14 @@ static void rockchip_rk3399_pll_init(struct clk_hw *hw) unsigned long drate; if (!(pll->flags & ROCKCHIP_PLL_SYNC_RATE)) - return; + return 0; drate = clk_hw_get_rate(hw); rate = rockchip_get_pll_settings(pll, drate); /* when no rate setting for the current rate, rely on clk_set_rate */ if (!rate) - return; + return 0; rockchip_rk3399_pll_get_params(pll, &cur); @@ -798,13 +802,15 @@ static void rockchip_rk3399_pll_init(struct clk_hw *hw) if (!parent) { pr_warn("%s: parent of %s not available\n", __func__, __clk_get_name(hw->clk)); - return; + return 0; } pr_debug("%s: pll %s: rate params do not match rate table, adjusting\n", __func__, __clk_get_name(hw->clk)); rockchip_rk3399_pll_set_params(pll, rate); } + + return 0; } static const struct clk_ops rockchip_rk3399_pll_clk_norate_ops = { diff --git a/drivers/clk/samsung/clk-exynos5420.c b/drivers/clk/samsung/clk-exynos5420.c index 3a991ca1ee36..c9e5a1fb6653 100644 --- a/drivers/clk/samsung/clk-exynos5420.c +++ b/drivers/clk/samsung/clk-exynos5420.c @@ -12,6 +12,7 @@ #include <linux/clk-provider.h> #include <linux/of.h> #include <linux/of_address.h> +#include <linux/clk.h> #include "clk.h" #include "clk-cpu.h" @@ -1646,6 +1647,13 @@ static void __init exynos5x_clk_init(struct device_node *np, exynos5x_subcmus); } + /* + * Keep top part of G3D clock path enabled permanently to ensure + * that the internal busses get their clock regardless of the + * main G3D clock enablement status. + */ + clk_prepare_enable(__clk_lookup("mout_sw_aclk_g3d")); + samsung_clk_of_add_provider(np, ctx); } diff --git a/drivers/clk/tegra/clk.c b/drivers/clk/tegra/clk.c index e6bd6d1ea012..f6cdce441cf7 100644 --- a/drivers/clk/tegra/clk.c +++ b/drivers/clk/tegra/clk.c @@ -231,8 +231,10 @@ struct clk ** __init tegra_clk_init(void __iomem *regs, int num, int banks) periph_banks = banks; clks = kcalloc(num, sizeof(struct clk *), GFP_KERNEL); - if (!clks) + if (!clks) { kfree(periph_clk_enb_refcnt); + return NULL; + } clk_num = num; diff --git a/drivers/clk/ti/clock.h b/drivers/clk/ti/clock.h index e6995c04001e..f1dd62de2bfc 100644 --- a/drivers/clk/ti/clock.h +++ b/drivers/clk/ti/clock.h @@ -253,7 +253,7 @@ extern const struct clk_ops omap_gate_clk_ops; extern struct ti_clk_features ti_clk_features; -void omap2_init_clk_clkdm(struct clk_hw *hw); +int omap2_init_clk_clkdm(struct clk_hw *hw); int omap2_clkops_enable_clkdm(struct clk_hw *hw); void omap2_clkops_disable_clkdm(struct clk_hw *hw); diff --git a/drivers/clk/ti/clockdomain.c b/drivers/clk/ti/clockdomain.c index 423a99b9f10c..ee56306f79d5 100644 --- a/drivers/clk/ti/clockdomain.c +++ b/drivers/clk/ti/clockdomain.c @@ -101,16 +101,16 @@ void omap2_clkops_disable_clkdm(struct clk_hw *hw) * * Convert a clockdomain name stored in a struct clk 'clk' into a * clockdomain pointer, and save it into the struct clk. Intended to be - * called during clk_register(). No return value. + * called during clk_register(). Returns 0 on success, -EERROR otherwise. */ -void omap2_init_clk_clkdm(struct clk_hw *hw) +int omap2_init_clk_clkdm(struct clk_hw *hw) { struct clk_hw_omap *clk = to_clk_hw_omap(hw); struct clockdomain *clkdm; const char *clk_name; if (!clk->clkdm_name) - return; + return 0; clk_name = __clk_get_name(hw->clk); @@ -123,6 +123,8 @@ void omap2_init_clk_clkdm(struct clk_hw *hw) pr_debug("clock: could not associate clk %s to clkdm %s\n", clk_name, clk->clkdm_name); } + + return 0; } static void __init of_ti_clockdomain_setup(struct device_node *node) diff --git a/drivers/clk/uniphier/clk-uniphier-peri.c b/drivers/clk/uniphier/clk-uniphier-peri.c index 9caa52944b1c..3e32db9dad81 100644 --- a/drivers/clk/uniphier/clk-uniphier-peri.c +++ b/drivers/clk/uniphier/clk-uniphier-peri.c @@ -18,8 +18,8 @@ #define UNIPHIER_PERI_CLK_FI2C(idx, ch) \ UNIPHIER_CLK_GATE("i2c" #ch, (idx), "i2c", 0x24, 24 + (ch)) -#define UNIPHIER_PERI_CLK_SCSSI(idx) \ - UNIPHIER_CLK_GATE("scssi", (idx), "spi", 0x20, 17) +#define UNIPHIER_PERI_CLK_SCSSI(idx, ch) \ + UNIPHIER_CLK_GATE("scssi" #ch, (idx), "spi", 0x20, 17 + (ch)) #define UNIPHIER_PERI_CLK_MCSSI(idx) \ UNIPHIER_CLK_GATE("mcssi", (idx), "spi", 0x24, 14) @@ -35,7 +35,7 @@ const struct uniphier_clk_data uniphier_ld4_peri_clk_data[] = { UNIPHIER_PERI_CLK_I2C(6, 2), UNIPHIER_PERI_CLK_I2C(7, 3), UNIPHIER_PERI_CLK_I2C(8, 4), - UNIPHIER_PERI_CLK_SCSSI(11), + UNIPHIER_PERI_CLK_SCSSI(11, 0), { /* sentinel */ } }; @@ -51,7 +51,10 @@ const struct uniphier_clk_data uniphier_pro4_peri_clk_data[] = { UNIPHIER_PERI_CLK_FI2C(8, 4), UNIPHIER_PERI_CLK_FI2C(9, 5), UNIPHIER_PERI_CLK_FI2C(10, 6), - UNIPHIER_PERI_CLK_SCSSI(11), - UNIPHIER_PERI_CLK_MCSSI(12), + UNIPHIER_PERI_CLK_SCSSI(11, 0), + UNIPHIER_PERI_CLK_SCSSI(12, 1), + UNIPHIER_PERI_CLK_SCSSI(13, 2), + UNIPHIER_PERI_CLK_SCSSI(14, 3), + UNIPHIER_PERI_CLK_MCSSI(15), { /* sentinel */ } }; diff --git a/drivers/clk/versatile/Kconfig b/drivers/clk/versatile/Kconfig index ac766855ba16..c2618f1477a2 100644 --- a/drivers/clk/versatile/Kconfig +++ b/drivers/clk/versatile/Kconfig @@ -9,7 +9,7 @@ config COMMON_CLK_VERSATILE COMPILE_TEST select REGMAP_MMIO ---help--- - Supports clocking on ARM Reference designs: + Supports clocking on ARM Reference designs: - Integrator/AP and Integrator/CP - RealView PB1176, EB, PB11MP and PBX - Versatile Express diff --git a/drivers/net/phy/mdio-mux-meson-g12a.c b/drivers/net/phy/mdio-mux-meson-g12a.c index 7a9ad54582e1..bf86c9c7a288 100644 --- a/drivers/net/phy/mdio-mux-meson-g12a.c +++ b/drivers/net/phy/mdio-mux-meson-g12a.c @@ -123,7 +123,7 @@ static int g12a_ephy_pll_is_enabled(struct clk_hw *hw) return (val & PLL_CTL0_LOCK_DIG) ? 1 : 0; } -static void g12a_ephy_pll_init(struct clk_hw *hw) +static int g12a_ephy_pll_init(struct clk_hw *hw) { struct g12a_ephy_pll *pll = g12a_ephy_pll_to_dev(hw); @@ -136,6 +136,8 @@ static void g12a_ephy_pll_init(struct clk_hw *hw) writel(0x20200000, pll->base + ETH_PLL_CTL5); writel(0x0000c002, pll->base + ETH_PLL_CTL6); writel(0x00000023, pll->base + ETH_PLL_CTL7); + + return 0; } static const struct clk_ops g12a_ephy_pll_ops = { |