[PATCH v4] FlexRM support in VFIO platform

From: Anup Patel
Date: Wed Aug 02 2017 - 01:38:59 EST

This patchset primarily adds Broadcom FlexRM reset module for
VFIO platform driver.

The patches are based on Linux-4.13-rc3 and can also be
found at flexrm-vfio-v4 branch of

Changes since v3:
- Improve "depends on" for Kconfig option
- Fix typo in pr_warn() called by
- Return error from vfio_platform_bcmflexrm_shutdown()
when FlexRM ring flush timeout happens

Changes since v2:
- Remove PATCH1 because fixing VFIO no-IOMMU mode is
a separate topic

Changes since v1:
- Remove iommu_present() check in vfio_iommu_group_get()
- Drop PATCH1-to-PATCH3 because IOMMU_CAP_BYPASS is not
- Move additional comments out of license header in

Anup Patel (1):
vfio: platform: reset: Add Broadcom FlexRM reset module

drivers/vfio/platform/reset/Kconfig | 8 ++
drivers/vfio/platform/reset/Makefile | 1 +
.../vfio/platform/reset/vfio_platform_bcmflexrm.c | 100 +++++++++++++++++++++
3 files changed, 109 insertions(+)
create mode 100644 drivers/vfio/platform/reset/vfio_platform_bcmflexrm.c