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Diffstat (limited to 'hw/tpm/tpm_tis.c')
-rw-r--r--hw/tpm/tpm_tis.c34
1 files changed, 12 insertions, 22 deletions
diff --git a/hw/tpm/tpm_tis.c b/hw/tpm/tpm_tis.c
index 4670287f82..95d3afca1d 100644
--- a/hw/tpm/tpm_tis.c
+++ b/hw/tpm/tpm_tis.c
@@ -76,7 +76,6 @@ typedef struct TPMState {
ISADevice busdev;
MemoryRegion mmio;
- QEMUBH *bh;
uint32_t offset;
uint8_t buf[TPM_TIS_BUFFER_MAX];
@@ -410,10 +409,20 @@ static void tpm_tis_prep_abort(TPMState *s, uint8_t locty, uint8_t newlocty)
tpm_tis_abort(s, locty);
}
-static void tpm_tis_receive_bh(void *opaque)
+/*
+ * Callback from the TPM to indicate that the response was received.
+ */
+static void tpm_tis_request_completed(TPMIf *ti)
{
- TPMState *s = opaque;
+ TPMState *s = TPM(ti);
uint8_t locty = s->cmd.locty;
+ uint8_t l;
+
+ if (s->cmd.selftest_done) {
+ for (l = 0; l < TPM_TIS_NUM_LOCALITIES; l++) {
+ s->loc[locty].sts |= TPM_TIS_STS_SELFTEST_DONE;
+ }
+ }
tpm_tis_sts_set(&s->loc[locty],
TPM_TIS_STS_VALID | TPM_TIS_STS_DATA_AVAILABLE);
@@ -431,23 +440,6 @@ static void tpm_tis_receive_bh(void *opaque)
TPM_TIS_INT_DATA_AVAILABLE | TPM_TIS_INT_STS_VALID);
}
-static void tpm_tis_request_completed(TPMIf *ti)
-{
- TPMState *s = TPM(ti);
-
- bool is_selftest_done = s->cmd.selftest_done;
- uint8_t locty = s->cmd.locty;
- uint8_t l;
-
- if (is_selftest_done) {
- for (l = 0; l < TPM_TIS_NUM_LOCALITIES; l++) {
- s->loc[locty].sts |= TPM_TIS_STS_SELFTEST_DONE;
- }
- }
-
- qemu_bh_schedule(s->bh);
-}
-
/*
* Read a byte of response data
*/
@@ -1094,8 +1086,6 @@ static void tpm_tis_realizefn(DeviceState *dev, Error **errp)
return;
}
- s->bh = qemu_bh_new(tpm_tis_receive_bh, s);
-
isa_init_irq(&s->busdev, &s->irq, s->irq_num);
memory_region_add_subregion(isa_address_space(ISA_DEVICE(dev)),