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-rw-r--r--hw/tpm/tpm_tis.c12
1 files changed, 2 insertions, 10 deletions
diff --git a/hw/tpm/tpm_tis.c b/hw/tpm/tpm_tis.c
index db101b61d4..97cd7f5026 100644
--- a/hw/tpm/tpm_tis.c
+++ b/hw/tpm/tpm_tis.c
@@ -86,7 +86,6 @@ typedef struct TPMState {
TPMBackendCmd cmd;
- char *backend;
TPMBackend *be_driver;
TPMVersion be_tpm_version;
} TPMState;
@@ -1053,7 +1052,7 @@ static const VMStateDescription vmstate_tpm_tis = {
static Property tpm_tis_properties[] = {
DEFINE_PROP_UINT32("irq", TPMState, irq_num, TPM_TIS_IRQ),
- DEFINE_PROP_STRING("tpmdev", TPMState, backend),
+ DEFINE_PROP_TPMBE("tpmdev", TPMState, be_driver),
DEFINE_PROP_END_OF_LIST(),
};
@@ -1066,17 +1065,10 @@ static void tpm_tis_realizefn(DeviceState *dev, Error **errp)
return;
}
- s->be_driver = qemu_find_tpm_be(s->backend);
if (!s->be_driver) {
- error_setg(errp, "backend driver with id %s could not be found",
- s->backend);
+ error_setg(errp, "'tpmdev' property is required");
return;
}
-
- if (tpm_backend_init(s->be_driver, TPM_IF(s), errp)) {
- return;
- }
-
if (s->irq_num > 15) {
error_setg(errp, "IRQ %d is outside valid range of 0 to 15",
s->irq_num);