spi: dw: fix multiple slaves with different baudrates

Add current master clock to dws struct and compare it against the
requestedtransfer speed. Update clock divider only if necessary.

Signed-off-by: Matthias Seidel <kernel@mseidel.net>
Signed-off-by: Mark Brown <broonie@kernel.org>

path: root/epoll2.h

#ifndef __EPOLL_H
#define __EPOLL_H

extern void set_epoll_descriptor(int fd_epoll, int action, int fd_toadd, int events);
extern int set_epoll_descriptor2(int fd_epoll, int action, int fd_toadd, int events);

#endif /* __EPOLL_H */