leds: leds-ns2: fix private driver data storage
dev_set_drvdata() can't be used to set the driver private data pointer. This would overwrite the led classdev object previously registered by led_classdev_register(). Note that despite this mistake, the driver work fine because led_dat and led_dat->cdev are at the same memory address. Signed-off-by: NSimon Guinot <sguinot@lacie.com> Signed-off-by: NNicolas Pitre <nico@fluxnic.net>
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