Pin-yen Lin 5eb9a43140
drm/bridge: it6505: Guard bridge power in IRQ handler
Add a pair of pm_runtime_get_if_in_use and pm_runtime_put_sync in the
interrupt handler to make sure the bridge won't be powered off during
the interrupt handlings. Also remove the irq_lock mutex because it's not
guarding anything now.

Fixes: ab28896f1a83 ("drm/bridge: it6505: Improve synchronization between extcon subsystem")
Signed-off-by: Pin-yen Lin <treapking@chromium.org>
Reviewed-by: Robert Foss <robert.foss@linaro.org>
Signed-off-by: Robert Foss <robert.foss@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20221109095227.3320919-1-treapking@chromium.org
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