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910990a607
[ Upstream commit de5d7adb89367bbc87b4e5ce7afe7ae9bd86dc12 ]
Consider an amba driver with a .probe but without a .remove callback (e.g.
pl061_gpio_driver). The function amba_probe() is called to bind a device
and so dev_pm_domain_attach() and others are called. As there is no remove
callback amba_remove() isn't called at unbind time however and so calling
dev_pm_domain_detach() is missed and the pm domain keeps active.
To fix this always use the core driver callbacks and handle missing amba
callbacks there. For probe refuse registration as a driver without probe
doesn't make sense.
Fixes:
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.. | ||
bus.c | ||
Kconfig | ||
Makefile | ||
tegra-ahb.c |