From ddbb0c19fe8ea90e33ad47299c7edd6305d0eaea Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 30 May 2024 05:35:39 +0200 Subject: Merging upstream version 6.8.11. Signed-off-by: Daniel Baumann --- drivers/clk/clk.c | 12 +++++------- drivers/clk/qcom/clk-smd-rpm.c | 1 + drivers/clk/samsung/clk-exynos-clkout.c | 13 ++++++++++--- drivers/clk/sunxi-ng/ccu-sun50i-a64.c | 2 ++ drivers/clk/sunxi-ng/ccu-sun50i-h6.c | 19 +++++++++++++++++-- drivers/clk/sunxi-ng/ccu_common.c | 19 +++++++++++++++++++ drivers/clk/sunxi-ng/ccu_common.h | 3 +++ 7 files changed, 57 insertions(+), 12 deletions(-) (limited to 'drivers/clk') diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c index cf1fc0edfd..260e901d0b 100644 --- a/drivers/clk/clk.c +++ b/drivers/clk/clk.c @@ -4552,7 +4552,8 @@ void clk_unregister(struct clk *clk) if (ops == &clk_nodrv_ops) { pr_err("%s: unregistered clock: %s\n", __func__, clk->core->name); - goto unlock; + clk_prepare_unlock(); + return; } /* * Assign empty clock ops for consumers that might still hold @@ -4586,11 +4587,10 @@ void clk_unregister(struct clk *clk) if (clk->core->protect_count) pr_warn("%s: unregistering protected clock: %s\n", __func__, clk->core->name); + clk_prepare_unlock(); kref_put(&clk->core->ref, __clk_release); free_clk(clk); -unlock: - clk_prepare_unlock(); } EXPORT_SYMBOL_GPL(clk_unregister); @@ -4749,13 +4749,11 @@ void __clk_put(struct clk *clk) if (clk->min_rate > 0 || clk->max_rate < ULONG_MAX) clk_set_rate_range_nolock(clk, 0, ULONG_MAX); - owner = clk->core->owner; - kref_put(&clk->core->ref, __clk_release); - clk_prepare_unlock(); + owner = clk->core->owner; + kref_put(&clk->core->ref, __clk_release); module_put(owner); - free_clk(clk); } diff --git a/drivers/clk/qcom/clk-smd-rpm.c b/drivers/clk/qcom/clk-smd-rpm.c index 8602c02047..45c5255bcd 100644 --- a/drivers/clk/qcom/clk-smd-rpm.c +++ b/drivers/clk/qcom/clk-smd-rpm.c @@ -768,6 +768,7 @@ static struct clk_smd_rpm *msm8976_clks[] = { static const struct rpm_smd_clk_desc rpm_clk_msm8976 = { .clks = msm8976_clks, + .num_clks = ARRAY_SIZE(msm8976_clks), .icc_clks = bimc_pcnoc_snoc_smmnoc_icc_clks, .num_icc_clks = ARRAY_SIZE(bimc_pcnoc_snoc_smmnoc_icc_clks), }; diff --git a/drivers/clk/samsung/clk-exynos-clkout.c b/drivers/clk/samsung/clk-exynos-clkout.c index 3484e6cc80..503c6f5b20 100644 --- a/drivers/clk/samsung/clk-exynos-clkout.c +++ b/drivers/clk/samsung/clk-exynos-clkout.c @@ -13,9 +13,9 @@ #include #include #include +#include #include #include -#include #define EXYNOS_CLKOUT_NR_CLKS 1 #define EXYNOS_CLKOUT_PARENTS 32 @@ -84,17 +84,24 @@ MODULE_DEVICE_TABLE(of, exynos_clkout_ids); static int exynos_clkout_match_parent_dev(struct device *dev, u32 *mux_mask) { const struct exynos_clkout_variant *variant; + const struct of_device_id *match; if (!dev->parent) { dev_err(dev, "not instantiated from MFD\n"); return -EINVAL; } - variant = device_get_match_data(dev->parent); - if (!variant) { + /* + * 'exynos_clkout_ids' arrays is not the ids array matched by + * the dev->parent driver, so of_device_get_match_data() or + * device_get_match_data() cannot be used here. + */ + match = of_match_device(exynos_clkout_ids, dev->parent); + if (!match) { dev_err(dev, "cannot match parent device\n"); return -EINVAL; } + variant = match->data; *mux_mask = variant->mux_mask; diff --git a/drivers/clk/sunxi-ng/ccu-sun50i-a64.c b/drivers/clk/sunxi-ng/ccu-sun50i-a64.c index 8951ffc14f..6a4b2b9ef3 100644 --- a/drivers/clk/sunxi-ng/ccu-sun50i-a64.c +++ b/drivers/clk/sunxi-ng/ccu-sun50i-a64.c @@ -182,6 +182,8 @@ static struct ccu_nkm pll_mipi_clk = { &ccu_nkm_ops, CLK_SET_RATE_UNGATE | CLK_SET_RATE_PARENT), .features = CCU_FEATURE_CLOSEST_RATE, + .min_rate = 500000000, + .max_rate = 1400000000, }, }; diff --git a/drivers/clk/sunxi-ng/ccu-sun50i-h6.c b/drivers/clk/sunxi-ng/ccu-sun50i-h6.c index 42568c6161..892df80727 100644 --- a/drivers/clk/sunxi-ng/ccu-sun50i-h6.c +++ b/drivers/clk/sunxi-ng/ccu-sun50i-h6.c @@ -1181,11 +1181,18 @@ static const u32 usb2_clk_regs[] = { SUN50I_H6_USB3_CLK_REG, }; +static struct ccu_mux_nb sun50i_h6_cpu_nb = { + .common = &cpux_clk.common, + .cm = &cpux_clk.mux, + .delay_us = 1, + .bypass_index = 0, /* index of 24 MHz oscillator */ +}; + static int sun50i_h6_ccu_probe(struct platform_device *pdev) { void __iomem *reg; + int i, ret; u32 val; - int i; reg = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(reg)) @@ -1252,7 +1259,15 @@ static int sun50i_h6_ccu_probe(struct platform_device *pdev) val |= BIT(24); writel(val, reg + SUN50I_H6_HDMI_CEC_CLK_REG); - return devm_sunxi_ccu_probe(&pdev->dev, reg, &sun50i_h6_ccu_desc); + ret = devm_sunxi_ccu_probe(&pdev->dev, reg, &sun50i_h6_ccu_desc); + if (ret) + return ret; + + /* Reparent CPU during PLL CPUX rate changes */ + ccu_mux_notifier_register(pll_cpux_clk.common.hw.clk, + &sun50i_h6_cpu_nb); + + return 0; } static const struct of_device_id sun50i_h6_ccu_ids[] = { diff --git a/drivers/clk/sunxi-ng/ccu_common.c b/drivers/clk/sunxi-ng/ccu_common.c index 8babce5530..ac0091b4ce 100644 --- a/drivers/clk/sunxi-ng/ccu_common.c +++ b/drivers/clk/sunxi-ng/ccu_common.c @@ -44,6 +44,16 @@ bool ccu_is_better_rate(struct ccu_common *common, unsigned long current_rate, unsigned long best_rate) { + unsigned long min_rate, max_rate; + + clk_hw_get_rate_range(&common->hw, &min_rate, &max_rate); + + if (current_rate > max_rate) + return false; + + if (current_rate < min_rate) + return false; + if (common->features & CCU_FEATURE_CLOSEST_RATE) return abs(current_rate - target_rate) < abs(best_rate - target_rate); @@ -122,6 +132,7 @@ static int sunxi_ccu_probe(struct sunxi_ccu *ccu, struct device *dev, for (i = 0; i < desc->hw_clks->num ; i++) { struct clk_hw *hw = desc->hw_clks->hws[i]; + struct ccu_common *common = hw_to_ccu_common(hw); const char *name; if (!hw) @@ -136,6 +147,14 @@ static int sunxi_ccu_probe(struct sunxi_ccu *ccu, struct device *dev, pr_err("Couldn't register clock %d - %s\n", i, name); goto err_clk_unreg; } + + if (common->max_rate) + clk_hw_set_rate_range(hw, common->min_rate, + common->max_rate); + else + WARN(common->min_rate, + "No max_rate, ignoring min_rate of clock %d - %s\n", + i, name); } ret = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, diff --git a/drivers/clk/sunxi-ng/ccu_common.h b/drivers/clk/sunxi-ng/ccu_common.h index 942a72c094..329734f8cf 100644 --- a/drivers/clk/sunxi-ng/ccu_common.h +++ b/drivers/clk/sunxi-ng/ccu_common.h @@ -31,6 +31,9 @@ struct ccu_common { u16 lock_reg; u32 prediv; + unsigned long min_rate; + unsigned long max_rate; + unsigned long features; spinlock_t *lock; struct clk_hw hw; -- cgit v1.2.3