diff options
Diffstat (limited to 'drivers/firmware/scmi/smt.c')
| -rw-r--r-- | drivers/firmware/scmi/smt.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/firmware/scmi/smt.c b/drivers/firmware/scmi/smt.c index 67d2f450024..3253f4211d6 100644 --- a/drivers/firmware/scmi/smt.c +++ b/drivers/firmware/scmi/smt.c @@ -20,6 +20,16 @@ #include "smt.h" +static void scmi_smt_enable_intr(struct scmi_smt *smt, bool enable) +{ + struct scmi_smt_header *hdr = (void *)smt->buf; + + if (enable) + hdr->flags |= SCMI_SHMEM_FLAG_INTR_ENABLED; + else + hdr->flags &= ~SCMI_SHMEM_FLAG_INTR_ENABLED; +} + /** * Get shared memory configuration defined by the referred DT phandle * Return with a errno compliant value. @@ -48,6 +58,9 @@ int scmi_dt_get_smt_buffer(struct udevice *dev, struct scmi_smt *smt) if (!smt->buf) return -ENOMEM; + if (device_is_compatible(dev, "arm,scmi") && ofnode_has_property(dev_ofnode(dev), "mboxes")) + scmi_smt_enable_intr(smt, true); + #ifdef CONFIG_ARM if (dcache_status()) mmu_set_region_dcache_behaviour(ALIGN_DOWN((uintptr_t)smt->buf, MMU_SECTION_SIZE), |