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Message-Id: <20240612-cm_probe-v2-3-a5b55440563c@flygoat.com>
Date: Wed, 12 Jun 2024 11:08:55 +0100
From: Jiaxun Yang <jiaxun.yang@...goat.com>
To: Paul Burton <paulburton@...nel.org>,
Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>
Cc: Serge Semin <fancer.lancer@...il.com>, linux-mips@...r.kernel.org,
linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
Jiaxun Yang <jiaxun.yang@...goat.com>
Subject: [PATCH v2 3/6] MIPS: cm: Prefix probe functions with __init
Those functions are only used at boot time.
Prefix them with __init so they can be discarded after boot.
Signed-off-by: Jiaxun Yang <jiaxun.yang@...goat.com>
---
arch/mips/include/asm/mips-cm.h | 4 ++--
arch/mips/kernel/mips-cm.c | 8 ++++----
2 files changed, 6 insertions(+), 6 deletions(-)
diff --git a/arch/mips/include/asm/mips-cm.h b/arch/mips/include/asm/mips-cm.h
index c2930a75b7e4..5292b516d60b 100644
--- a/arch/mips/include/asm/mips-cm.h
+++ b/arch/mips/include/asm/mips-cm.h
@@ -30,7 +30,7 @@ extern void __iomem *mips_cm_l2sync_base;
* and may be overridden by platforms which determine this address in a
* different way by defining a function with the same prototype.
*/
-extern phys_addr_t mips_cm_phys_base(void);
+extern phys_addr_t __init mips_cm_phys_base(void);
/**
* mips_cm_l2sync_phys_base - retrieve the physical base address of the CM
@@ -43,7 +43,7 @@ extern phys_addr_t mips_cm_phys_base(void);
* determine this address in a different way by defining a function with the
* same prototype.
*/
-extern phys_addr_t mips_cm_l2sync_phys_base(void);
+extern phys_addr_t __init mips_cm_l2sync_phys_base(void);
/*
* mips_cm_is64 - determine CM register width
diff --git a/arch/mips/kernel/mips-cm.c b/arch/mips/kernel/mips-cm.c
index 3a115fab5573..dddc9428fe58 100644
--- a/arch/mips/kernel/mips-cm.c
+++ b/arch/mips/kernel/mips-cm.c
@@ -179,7 +179,7 @@ static char *cm3_causes[32] = {
static DEFINE_PER_CPU_ALIGNED(spinlock_t, cm_core_lock);
static DEFINE_PER_CPU_ALIGNED(unsigned long, cm_core_lock_flags);
-phys_addr_t __weak mips_cm_phys_base(void)
+phys_addr_t __init __weak mips_cm_phys_base(void)
{
unsigned long cmgcr;
@@ -198,7 +198,7 @@ phys_addr_t __weak mips_cm_phys_base(void)
return (cmgcr & MIPS_CMGCRF_BASE) << (36 - 32);
}
-phys_addr_t __weak mips_cm_l2sync_phys_base(void)
+phys_addr_t __init __weak mips_cm_l2sync_phys_base(void)
{
u32 base_reg;
@@ -214,7 +214,7 @@ phys_addr_t __weak mips_cm_l2sync_phys_base(void)
return mips_cm_phys_base() + MIPS_CM_GCR_SIZE;
}
-static void mips_cm_probe_l2sync(void)
+static void __init mips_cm_probe_l2sync(void)
{
unsigned major_rev;
phys_addr_t addr;
@@ -237,7 +237,7 @@ static void mips_cm_probe_l2sync(void)
mips_cm_l2sync_base = ioremap(addr, MIPS_CM_L2SYNC_SIZE);
}
-int mips_cm_probe(void)
+int __init mips_cm_probe(void)
{
phys_addr_t addr;
u32 base_reg;
--
2.43.0
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