Since commit 2bdd5238e756 ("PCI: mt7621: Add MediaTek MT7621 PCIe host controller driver")
the MT7621 PCIe host controller driver is built as a module but modpost complains once these
drivers become modules.

ERROR: modpost: "mips_cm_unlock_other" [drivers/pci/controller/pcie-mt7621.ko] undefined!
ERROR: modpost: "mips_cpc_base" [drivers/pci/controller/pcie-mt7621.ko] undefined!
ERROR: modpost: "mips_cm_lock_other" [drivers/pci/controller/pcie-mt7621.ko] undefined!
ERROR: modpost: "mips_cm_is64" [drivers/pci/controller/pcie-mt7621.ko] undefined!
ERROR: modpost: "mips_gcr_base" [drivers/pci/controller/pcie-mt7621.ko] undefined!

Let's just export them.

Signed-off-by: Yanteng Si <redacted>
---
 arch/mips/kernel/mips-cm.c  | 5 +++++
 arch/mips/kernel/mips-cpc.c | 1 +
 2 files changed, 6 insertions(+)

diff --git a/arch/mips/kernel/mips-cm.c b/arch/mips/kernel/mips-cm.c
index 90f1c3df1f0e..892258760bf3 100644
--- a/arch/mips/kernel/mips-cm.c
+++ b/arch/mips/kernel/mips-cm.c

@@ -12,8 +12,11 @@
 #include <asm/mipsregs.h>
 
 void __iomem *mips_gcr_base;
+EXPORT_SYMBOL_GPL(mips_gcr_base);
+
 void __iomem *mips_cm_l2sync_base;
 int mips_cm_is64;
+EXPORT_SYMBOL_GPL(mips_cm_is64);
 
 static char *cm2_tr[8] = {
 	"mem",	"gcr",	"gic",	"mmio",

@@ -353,6 +356,7 @@ void mips_cm_lock_other(unsigned int cluster, unsigned int core,
 	 */
 	mb();
 }
+EXPORT_SYMBOL_GPL(mips_cm_lock_other);
 
 void mips_cm_unlock_other(void)
 {

@@ -369,6 +373,7 @@ void mips_cm_unlock_other(void)
 
 	preempt_enable();
 }
+EXPORT_SYMBOL_GPL(mips_cm_unlock_other);
 
 void mips_cm_error_report(void)
 {

diff --git a/arch/mips/kernel/mips-cpc.c b/arch/mips/kernel/mips-cpc.c
index 8d2535123f11..26392d18729c 100644
--- a/arch/mips/kernel/mips-cpc.c
+++ b/arch/mips/kernel/mips-cpc.c

@@ -13,6 +13,7 @@
 #include <asm/mips-cps.h>
 
 void __iomem *mips_cpc_base;
+EXPORT_SYMBOL_GPL(mips_cpc_base);
 
 static DEFINE_PER_CPU_ALIGNED(spinlock_t, cpc_core_lock);
 

-- 
2.27.0


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