usb: musb: Add PM runtime support for MUSB DSPS glue layer
We can now just use PM runtime autoidle support as musb core keeps things enabled when the devctl session bit is set. And there's no need for dsps_musb_try_idle() so let's just remove it. Note that as cppi41 dma is clocked by musb, this only makes PM work for dsps glue layer if CONFIG_MUSB_PIO_ONLY=y and cppi41.ko is unloaded. This will get fixed when cppi41.c has PM runtime implemented. Signed-off-by:Tony Lindgren <tony@atomide.com> Signed-off-by:
Bin Liu <b-liu@ti.com> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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