diff options
Diffstat (limited to 'arch/powerpc/platforms/powernv/opal-call.c')
| -rw-r--r-- | arch/powerpc/platforms/powernv/opal-call.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/powernv/opal-call.c b/arch/powerpc/platforms/powernv/opal-call.c index 01401e3da7ca..f812c74c61e5 100644 --- a/arch/powerpc/platforms/powernv/opal-call.c +++ b/arch/powerpc/platforms/powernv/opal-call.c @@ -1,6 +1,7 @@ // SPDX-License-Identifier: GPL-2.0 #include <linux/percpu.h> #include <linux/jump_label.h> +#include <asm/interrupt.h> #include <asm/opal-api.h> #include <asm/trace.h> #include <asm/asm-prototypes.h> @@ -100,6 +101,9 @@ static int64_t opal_call(int64_t a0, int64_t a1, int64_t a2, int64_t a3, bool mmu = (msr & (MSR_IR|MSR_DR)); int64_t ret; + /* OPAL call / firmware may use SRR and/or HSRR */ + srr_regs_clobbered(); + msr &= ~MSR_EE; if (unlikely(!mmu)) |