riscv: add a forward declaration for cpuinfo_op

Add a forward declaration for cpuinfo_op to resolve a sparse warning.

Link: https://lore.kernel.org/r/b831f349-5d0c-f7ac-8362-acb20bc6221a@kernel.org
Signed-off-by: Paul Walmsley <pjw@kernel.org>

diff --git a/arch/riscv/include/asm/cpufeature.h b/arch/riscv/include/asm/cpufeature.h
index fbd0e4306c93478470daf270dfeec8bd7a024437..62837fa981e8ea102c1d6706631fdb1e887194ee 100644 (file)
--- a/arch/riscv/include/asm/cpufeature.h
+++ b/arch/riscv/include/asm/cpufeature.h
@@ -31,6 +31,8 @@ struct riscv_isainfo {
 
 DECLARE_PER_CPU(struct riscv_cpuinfo, riscv_cpuinfo);
 
+extern const struct seq_operations cpuinfo_op;
+
 /* Per-cpu ISA extensions. */
 extern struct riscv_isainfo hart_isa[NR_CPUS];