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authorUwe Kleine-König <[email protected]>2023-11-06 16:48:10 +0100
committerWim Van Sebroeck <[email protected]>2023-12-17 16:14:19 +0100
commitde81f74b11e9ffdf5362961c2efea13bef11aefd (patch)
treec92d262cb6adab6f9a37fa52e7b8c596e5c29ab1 /tools/perf/scripts/python/powerpc-hcalls.py
parent86aa2919f1ae4ee7f90260d028f7572263d1c715 (diff)
watchdog: txx9: Stop using module_platform_driver_probe()
On today's platforms the benefit of platform_driver_probe() isn't that relevant any more. It allows to drop some code after booting (or module loading) for .probe() and discard the .remove() function completely if the driver is built-in. This typically saves a few 100k. The downside of platform_driver_probe() is that the driver cannot be bound and unbound at runtime which is ancient and also slightly complicates testing. There are also thoughts to deprecate platform_driver_probe() because it adds some complexity in the driver core for little gain. Also many drivers don't use it correctly. This driver for example misses to mark the driver struct with __refdata which is needed to suppress a (W=1) modpost warning: WARNING: modpost: drivers/watchdog/txx9wdt: section mismatch in reference: txx9wdt_driver+0x4 (section: .data) -> txx9wdt_remove (section: .exit.text) Signed-off-by: Uwe Kleine-König <[email protected]> Reviewed-by: Guenter Roeck <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Guenter Roeck <[email protected]> Signed-off-by: Wim Van Sebroeck <[email protected]>
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