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authorPaolo Bonzini <pbonzini@redhat.com>2023-02-15 12:33:28 -0500
committerPaolo Bonzini <pbonzini@redhat.com>2023-02-15 12:33:28 -0500
commit33436335e93a1788a58443fc99c5ab320ce4b9d9 (patch)
treed92f88768c8dbd00f8b65164f47a8a091768b95a /drivers/firmware/psci/psci.c
parent27b025ebb0f6092d5c0a88de2ab73545bc1c496e (diff)
parentc39cea6f38eefe356d64d0bc1e1f2267e282cdd3 (diff)
Merge tag 'kvm-riscv-6.3-1' of https://github.com/kvm-riscv/linux into HEAD
KVM/riscv changes for 6.3 - Fix wrong usage of PGDIR_SIZE to check page sizes - Fix privilege mode setting in kvm_riscv_vcpu_trap_redirect() - Redirect illegal instruction traps to guest - SBI PMU support for guest
Diffstat (limited to 'drivers/firmware/psci/psci.c')
-rw-r--r--drivers/firmware/psci/psci.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/firmware/psci/psci.c b/drivers/firmware/psci/psci.c
index e7bcfca4159f..447ee4ea5c90 100644
--- a/drivers/firmware/psci/psci.c
+++ b/drivers/firmware/psci/psci.c
@@ -440,6 +440,9 @@ static const struct file_operations psci_debugfs_ops = {
static int __init psci_debugfs_init(void)
{
+ if (!invoke_psci_fn || !psci_ops.get_version)
+ return 0;
+
return PTR_ERR_OR_ZERO(debugfs_create_file("psci", 0444, NULL, NULL,
&psci_debugfs_ops));
}