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| author | Zeng Chi <zengchi@kylinos.cn> | 2026-09-21 18:24:42 +0800 |
|---|---|---|
| committer | Sean Christopherson <seanjc@google.com> | 2026-09-22 08:36:16 -0700 |
| commit | 119e9db233ad0f4cbd4cfb9f9385a7bca378b37d (patch) | |
| tree | 660d50d4139cb750fbde1ae3432452c20726c99d /drivers/clk/sprd/common.h | |
| download | linux-stable-119e9db233ad0f4cbd4cfb9f9385a7bca378b37d.tar.gz linux-stable-119e9db233ad0f4cbd4cfb9f9385a7bca378b37d.zip | |
KVM: Don't pre-reserve xarray entries when storing empty/NULL attributesgrafted
Skip the xarray reservation loop when clearing all memory attributes, as
storing NULL only erases the entry and never needs to allocate, so no
reservation (and no cleanup of a failed one) is required in that case.
Suggested-by: Sean Christopherson <seanjc@google.com>
Cc: David Ballesteros <davimaba.v@proton.me>
Signed-off-by: Zeng Chi <zengchi@kylinos.cn>
Link: https://patch.msgid.link/20260921102442.1232375-1-zeng_chi911@163.com
[sean: split to separate patch]
Signed-off-by: Sean Christopherson <seanjc@google.com>
Diffstat (limited to 'drivers/clk/sprd/common.h')
| -rw-r--r-- | drivers/clk/sprd/common.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/drivers/clk/sprd/common.h b/drivers/clk/sprd/common.h new file mode 100644 index 000000000..1d077b39c --- /dev/null +++ b/drivers/clk/sprd/common.h @@ -0,0 +1,38 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +// +// Spreadtrum clock infrastructure +// +// Copyright (C) 2017 Spreadtrum, Inc. +// Author: Chunyan Zhang <chunyan.zhang@spreadtrum.com> + +#ifndef _SPRD_CLK_COMMON_H_ +#define _SPRD_CLK_COMMON_H_ + +#include <linux/clk-provider.h> +#include <linux/of_platform.h> +#include <linux/regmap.h> + +struct device_node; + +struct sprd_clk_common { + struct regmap *regmap; + u32 reg; + struct clk_hw hw; +}; + +struct sprd_clk_desc { + struct sprd_clk_common **clk_clks; + unsigned long num_clk_clks; + struct clk_hw_onecell_data *hw_clks; +}; + +static inline struct sprd_clk_common * + hw_to_sprd_clk_common(const struct clk_hw *hw) +{ + return container_of(hw, struct sprd_clk_common, hw); +} +int sprd_clk_regmap_init(struct platform_device *pdev, + const struct sprd_clk_desc *desc); +int sprd_clk_probe(struct device *dev, struct clk_hw_onecell_data *clkhw); + +#endif /* _SPRD_CLK_COMMON_H_ */ |