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Viresh Kumar 04f0e6ebd1 greybus: fw-management: Add ioctl to initiate mode-switch 
Once the interface firmware is loaded successfully to a module,
userspace can ask it to mode switch to the newly loaded firmware.

This patch provides a new ioctl to initiate mode switch.

Userspace can initiate a mode switch if it has previously loaded the
interface firmware successfully, otherwise the firmware core rejects it.

Also, once the mode-switch is initiated, disallow any more interactions
from the userspace.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Tested-by: Karthik Ravi Shankar <karthikrs@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
History 2016-05-15 00:23:52 +02:00
drivers/staging/greybus greybus: fw-management: Add ioctl to initiate mode-switch 2016-05-15 00:23:52 +02:00