linux-kernel - [PATCH v4 3/6] ACPI: CPPC: Add macros to generally implement registers getting and setting functions

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20250113122104.3870673-4-zhenglifeng1@huawei.com>
Date: Mon, 13 Jan 2025 20:21:01 +0800
From: Lifeng Zheng <zhenglifeng1@...wei.com>
To: <rafael@...nel.org>, <lenb@...nel.org>, <robert.moore@...el.com>,
	<viresh.kumar@...aro.org>, <mario.limonciello@....com>,
	<gautham.shenoy@....com>, <ray.huang@....com>, <pierre.gondois@....com>
CC: <acpica-devel@...ts.linux.dev>, <linux-acpi@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <linux-pm@...r.kernel.org>,
	<linuxarm@...wei.com>, <jonathan.cameron@...wei.com>,
	<zhanjie9@...ilicon.com>, <lihuisong@...wei.com>, <zhenglifeng1@...wei.com>,
	<hepeng68@...wei.com>, <fanghao11@...wei.com>
Subject: [PATCH v4 3/6] ACPI: CPPC: Add macros to generally implement registers getting and setting functions

Add CPPC_REG_VAL_READ() to implement registers getting functions.

Add CPPC_REG_VAL_WRITE() to implement registers setting functions.

Signed-off-by: Lifeng Zheng <zhenglifeng1@...wei.com>
---
 drivers/acpi/cppc_acpi.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/drivers/acpi/cppc_acpi.c b/drivers/acpi/cppc_acpi.c
index 571f94855dce..6326a1536cda 100644
--- a/drivers/acpi/cppc_acpi.c
+++ b/drivers/acpi/cppc_acpi.c
@@ -1279,6 +1279,20 @@ static int cppc_set_reg_val(int cpu, enum cppc_regs reg_idx, u64 val)
 	return cpc_write(cpu, reg, val);
 }
 
+#define CPPC_REG_VAL_READ(reg_name, reg_idx)		\
+int cppc_get_##reg_name(int cpu, u64 *val)		\
+{							\
+	return cppc_get_reg_val(cpu, reg_idx, val);	\
+}							\
+EXPORT_SYMBOL_GPL(cppc_get_##reg_name)
+
+#define CPPC_REG_VAL_WRITE(reg_name, reg_idx)		\
+int cppc_set_##reg_name(int cpu, u64 val)		\
+{							\
+	return cppc_set_reg_val(cpu, reg_idx, val);	\
+}							\
+EXPORT_SYMBOL_GPL(cppc_set_##reg_name)
+
 /**
  * cppc_get_desired_perf - Get the desired performance register value.
  * @cpunum: CPU from which to get desired performance.
-- 
2.33.0