usb: musb: do not change dev's dma_mask
Commit 8d2421e6 ("usb: musb: kill global and static for multi instance") removed the global dma_mask copy and replaced by parent's DMA mask. The problem here is that if the parent does not have a dma_mask then musb_remove() goes kaboom. Instead trying to fix this I was thinking we do we need to erase dma_mask in the first place? Signed-off-by: NSebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: NFelipe Balbi <balbi@ti.com>
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