USB: New functions to check endpoints info.
These functions makes USB driver's code simpler when dealing with endpoints by avoiding them from accessing the endpoint's descriptor structure directly when they only need to know the endpoint's transfer type and/or direction. Please, read each functions' documentation in order to know how to use them. Signed-off-by: NLuiz Fernando N. Capitulino <lcapitulino@mandriva.com.br> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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