From 0102c8c7fdfc4bd700971daff2b94470f4eafae4 Mon Sep 17 00:00:00 2001 From: Dapeng Mi Date: Thu, 17 Sep 2026 09:52:33 +0800 Subject: perf/x86/intel: Rename DMR offcore_rsp attribute to offmodule_rsp DMR introduces Offmodule Response events in place of the legacy Offcore Response events, but it still exposes the inherited offcore_rsp PMU attribute for programming the corresponding MSR data. Rename the DMR PMU attribute to offmodule_rsp so the sysfs interface matches the underlying event name and avoids user & tooling confusion. Signed-off-by: Dapeng Mi Signed-off-by: Peter Zijlstra (Intel) Signed-off-by: Ingo Molnar Link: https://patch.msgid.link/20260917015234.981153-12-dapeng1.mi@linux.intel.com --- drivers/clk/qcom/clk-regmap-divider.c | 82 +++++++++++++++++++++++++++++++++++ 1 file changed, 82 insertions(+) create mode 100644 drivers/clk/qcom/clk-regmap-divider.c (limited to 'drivers/clk/qcom/clk-regmap-divider.c') diff --git a/drivers/clk/qcom/clk-regmap-divider.c b/drivers/clk/qcom/clk-regmap-divider.c new file mode 100644 index 000000000..672e82caf --- /dev/null +++ b/drivers/clk/qcom/clk-regmap-divider.c @@ -0,0 +1,82 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2014, The Linux Foundation. All rights reserved. + */ + +#include +#include +#include +#include + +#include "clk-regmap-divider.h" + +static inline struct clk_regmap_div *to_clk_regmap_div(struct clk_hw *hw) +{ + return container_of(to_clk_regmap(hw), struct clk_regmap_div, clkr); +} + +static int div_ro_determine_rate(struct clk_hw *hw, + struct clk_rate_request *req) +{ + struct clk_regmap_div *divider = to_clk_regmap_div(hw); + struct clk_regmap *clkr = ÷r->clkr; + u32 val; + + regmap_read(clkr->regmap, divider->reg, &val); + val >>= divider->shift; + val &= BIT(divider->width) - 1; + + return divider_ro_determine_rate(hw, req, NULL, divider->width, + CLK_DIVIDER_ROUND_CLOSEST, val); +} + +static int div_determine_rate(struct clk_hw *hw, struct clk_rate_request *req) +{ + struct clk_regmap_div *divider = to_clk_regmap_div(hw); + + return divider_determine_rate(hw, req, NULL, divider->width, + CLK_DIVIDER_ROUND_CLOSEST); +} + +static int div_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) +{ + struct clk_regmap_div *divider = to_clk_regmap_div(hw); + struct clk_regmap *clkr = ÷r->clkr; + u32 div; + + div = divider_get_val(rate, parent_rate, NULL, divider->width, + CLK_DIVIDER_ROUND_CLOSEST); + + return regmap_update_bits(clkr->regmap, divider->reg, + (BIT(divider->width) - 1) << divider->shift, + div << divider->shift); +} + +static unsigned long div_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct clk_regmap_div *divider = to_clk_regmap_div(hw); + struct clk_regmap *clkr = ÷r->clkr; + u32 div; + + regmap_read(clkr->regmap, divider->reg, &div); + div >>= divider->shift; + div &= BIT(divider->width) - 1; + + return divider_recalc_rate(hw, parent_rate, div, NULL, + CLK_DIVIDER_ROUND_CLOSEST, divider->width); +} + +const struct clk_ops clk_regmap_div_ops = { + .determine_rate = div_determine_rate, + .set_rate = div_set_rate, + .recalc_rate = div_recalc_rate, +}; +EXPORT_SYMBOL_GPL(clk_regmap_div_ops); + +const struct clk_ops clk_regmap_div_ro_ops = { + .determine_rate = div_ro_determine_rate, + .recalc_rate = div_recalc_rate, +}; +EXPORT_SYMBOL_GPL(clk_regmap_div_ro_ops); -- cgit v1.3.1