summaryrefslogtreecommitdiff
path: root/drivers/platform/x86/amd/pmc/pmc.c
diff options
context:
space:
mode:
authorPaolo Bonzini <pbonzini@redhat.com>2024-11-14 07:06:24 -0500
committerPaolo Bonzini <pbonzini@redhat.com>2024-11-14 07:06:24 -0500
commit0586ade9e7f9491ccbe1e00975978cb9c2093006 (patch)
tree3dbb536e37d3e86086bd51dcee4bf81041bac087 /drivers/platform/x86/amd/pmc/pmc.c
parent7b541d557f705c7e5bcd874f3b960c8fb8dee562 (diff)
parent9899b8201025d00b23aee143594a30c55cc4cc35 (diff)
Merge tag 'loongarch-kvm-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson into HEAD
LoongArch KVM changes for v6.13 1. Add iocsr and mmio bus simulation in kernel. 2. Add in-kernel interrupt controller emulation. 3. Add virt extension support for eiointc irqchip.
Diffstat (limited to 'drivers/platform/x86/amd/pmc/pmc.c')
-rw-r--r--drivers/platform/x86/amd/pmc/pmc.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/platform/x86/amd/pmc/pmc.c b/drivers/platform/x86/amd/pmc/pmc.c
index bbb8edb62e00..5669f94c3d06 100644
--- a/drivers/platform/x86/amd/pmc/pmc.c
+++ b/drivers/platform/x86/amd/pmc/pmc.c
@@ -998,6 +998,11 @@ static int amd_pmc_s2d_init(struct amd_pmc_dev *dev)
amd_pmc_send_cmd(dev, S2D_PHYS_ADDR_LOW, &phys_addr_low, dev->s2d_msg_id, true);
amd_pmc_send_cmd(dev, S2D_PHYS_ADDR_HIGH, &phys_addr_hi, dev->s2d_msg_id, true);
+ if (!phys_addr_hi && !phys_addr_low) {
+ dev_err(dev->dev, "STB is not enabled on the system; disable enable_stb or contact system vendor\n");
+ return -EINVAL;
+ }
+
stb_phys_addr = ((u64)phys_addr_hi << 32 | phys_addr_low);
/* Clear msg_port for other SMU operation */