Add CONFIG_VIRTIO_MMIO_POLL_RESET to as an option to enable
synchronous reset for the MMIO based transport for virtio.
Change-Id: Ifa7e29b4c0cfa26922535f921c6ab69eacdc4cfc
Signed-off-by: Jianguo Sun <quic_jiang...@quicinc.com>
Signed-off-by: Anant Goel <quic_ana...@quicinc.com>
---
drivers/virtio/Kconfig | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/drivers/virtio/Kconfig b/drivers/virtio/Kconfig
index 42a48ac763ee..fb17b1078d53 100644
--- a/drivers/virtio/Kconfig
+++ b/drivers/virtio/Kconfig
@@ -188,4 +188,12 @@ config VIRTIO_DEBUG
If unsure, say N.
+config VIRTIO_MMIO_POLL_RESET
+ bool "Virti-mmio device synchronous reset support"
+ depends on VIRTIO_MMIO
+ help
+ Say y here to enable synchronous reset for the MMIO transport based
+ virtio device. After writing 0 to device_status, the driver must
+ wait for a read of device_status to return 0 before reinitializing
+ the device.
endif # VIRTIO_MENU
--
2.17.1
