The branch main has been updated by jhibbits: URL: https://cgit.FreeBSD.org/src/commit/?id=e2f492a9ac651a27e447acfd681a128a66292309
commit e2f492a9ac651a27e447acfd681a128a66292309 Author: Amit Kumar Gupta <[email protected]> AuthorDate: 2025-08-29 17:55:11 +0000 Commit: Justin Hibbits <[email protected]> CommitDate: 2025-08-29 17:56:25 +0000 TPM: Add hint check to skip TPM IRQ configuration Added use_polling hint check in tpm tis driver attach routine to skip TPM IRQ configuration and to use TPM poll method to get TPM operation status Reviewed by: imp Sponsored by: Juniper Networks, Inc. Differential Revision: https://reviews.freebsd.org/D52048 --- sys/dev/tpm/tpm_tis_core.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/sys/dev/tpm/tpm_tis_core.c b/sys/dev/tpm/tpm_tis_core.c index d8421f8156c9..4159de4daf3b 100644 --- a/sys/dev/tpm/tpm_tis_core.c +++ b/sys/dev/tpm/tpm_tis_core.c @@ -97,6 +97,7 @@ tpmtis_attach(device_t dev) { struct tpm_sc *sc; int result; + int poll = 0; sc = device_get_softc(dev); sc->dev = dev; @@ -105,6 +106,12 @@ tpmtis_attach(device_t dev) sx_init(&sc->dev_lock, "TPM driver lock"); sc->buf = malloc(TPM_BUFSIZE, M_TPM20, M_WAITOK); + resource_int_value("tpm", device_get_unit(dev), "use_polling", &poll); + if (poll != 0) { + device_printf(dev, "Using poll method to get TPM operation status \n"); + goto skip_irq; + } + sc->irq_rid = 0; sc->irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &sc->irq_rid, RF_ACTIVE | RF_SHAREABLE);
