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Subject[PATCH v3 0/1] platform/x86: Add Slim Bootloader firmware update support
v3 addresses review comment from Andy Shevchenko to v2.

Changes in v3
- Renamed the driver file to intel-wmi-sbl-fw-update.c. This resulted in
various changes like:
- renaming, reordering the driver entry in Makefile and Kconfig
- renaming, reordering the MAINTAINERS file entry
- renamed the ABI file
- renaming few data structures and wmi_driver entries to reflect the
new name

v2 Upstream submission is available here:

From v2 submission:

v1 Upstream submission is available here:

v2 primarily addresses review comments from Andy Shevchenko to v1.

Changes in v2
- Rebased on top of tag: v5.7-rc2
- Added ABI documentation file
- Changed the ordering of SBL entry in Makefile and Kconfig
- Replaced kstrtobool() with kstrtouint() for user input processing
- Added DocLink: tag to annottate weblink in commit message
- Minor edits to commit message in p1/1
- Style related changes

From v1 submission:

Slim Bootloader(SBL) [see link below] is a small open-source boot
firmware, designed for running on certain Intel platforms. SBL can be
thought-of as fulfilling the role of a minimal BIOS
implementation, i.e initializing the hardware and booting
Operating System.

This driver creates sysfs interfaces which allows user space entities
to trigger update of SBL firmware.

Acknowledgment: Initial draft of the driver code was authored by
Maurice Ma <>


Jithu Joseph (1):
platform/x86: Add Slim Bootloader firmware update signaling driver

.../sysfs-platform-intel-wmi-sbl-fw-update | 12 ++
drivers/platform/x86/Kconfig | 10 ++
drivers/platform/x86/Makefile | 1 +
.../platform/x86/intel-wmi-sbl-fw-update.c | 145 ++++++++++++++++++
5 files changed, 175 insertions(+)
create mode 100644 Documentation/ABI/testing/sysfs-platform-intel-wmi-sbl-fw-update
create mode 100644 drivers/platform/x86/intel-wmi-sbl-fw-update.c

base-commit: ae83d0b416db002fe95601e7f97f64b59514d936

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