linux-kernel - [PATCH 2/3] cpufreq: update headers to use STUB

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Date:   Fri, 18 Jan 2019 16:00:29 +0000
From:   Andrew Murray <andrew.murray@....com>
To:     Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Arnd Bergmann <arnd@...db.de>,
        Kees Cook <keescook@...omium.org>,
        Andrew Morton <akpm@...ux-foundation.org>
Cc:     Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will.deacon@....com>,
        linux-arm-kernel@...ts.infradead.org, rjw@...ysocki.net,
        linux-kernel@...r.kernel.org, Grant Likely <Grant.Likely@....com>,
        Steven Price <Steven.Price@....com>,
        Dave P Martin <Dave.Martin@....com>
Subject: [PATCH 2/3] cpufreq: update headers to use STUB_UNLESS macro

Use the STUB_UNLESS macro to simplify function declaration.

Signed-off-by: Andrew Murray <andrew.murray@....com>
---
 include/linux/cpufreq.h | 21 ++++++---------------
 1 file changed, 6 insertions(+), 15 deletions(-)

diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h
index c86d6d8..2c53cae 100644
--- a/include/linux/cpufreq.h
+++ b/include/linux/cpufreq.h
@@ -159,21 +159,12 @@ struct cpufreq_policy {
 #define CPUFREQ_SHARED_TYPE_ALL	 (2) /* All dependent CPUs should set freq */
 #define CPUFREQ_SHARED_TYPE_ANY	 (3) /* Freq can be set from any dependent CPU*/
 
-#ifdef CONFIG_CPU_FREQ
-struct cpufreq_policy *cpufreq_cpu_get_raw(unsigned int cpu);
-struct cpufreq_policy *cpufreq_cpu_get(unsigned int cpu);
-void cpufreq_cpu_put(struct cpufreq_policy *policy);
-#else
-static inline struct cpufreq_policy *cpufreq_cpu_get_raw(unsigned int cpu)
-{
-	return NULL;
-}
-static inline struct cpufreq_policy *cpufreq_cpu_get(unsigned int cpu)
-{
-	return NULL;
-}
-static inline void cpufreq_cpu_put(struct cpufreq_policy *policy) { }
-#endif
+STUB_UNLESS(CONFIG_CPU_FREQ, return NULL,
+struct cpufreq_policy *cpufreq_cpu_get_raw(unsigned int cpu));
+STUB_UNLESS(CONFIG_CPU_FREQ, return NULL,
+struct cpufreq_policy *cpufreq_cpu_get(unsigned int cpu));
+STUB_UNLESS(CONFIG_CPU_FREQ,
+void cpufreq_cpu_put(struct cpufreq_policy *policy));
 
 static inline bool policy_is_shared(struct cpufreq_policy *policy)
 {
-- 
2.7.4