powerpc/irq: Add stub irq_soft_mask_return() for PPC32

To allow building syscall_64.c smoothly on PPC32, add stub version
of irq_soft_mask_return().

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Reviewed-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/9b9f62c5e2e63cc121fd749a923aaaee92ee0da4.1612796617.git.christophe.leroy@csgroup.eu

diff --git a/arch/powerpc/include/asm/hw_irq.h b/arch/powerpc/include/asm/hw_irq.h
index 4739f61e632c7a31a9c289ea4437ad57969af1fa..56a98936a6a93734c4993133cdf6060b7bc3ee79 100644 (file)
--- a/arch/powerpc/include/asm/hw_irq.h
+++ b/arch/powerpc/include/asm/hw_irq.h
@@ -330,6 +330,11 @@ static inline void irq_soft_mask_regs_set_state(struct pt_regs *regs, unsigned l
 }
 #else /* CONFIG_PPC64 */
 
+static inline notrace unsigned long irq_soft_mask_return(void)
+{
+       return 0;
+}
+
 static inline unsigned long arch_local_save_flags(void)
 {
        return mfmsr();