USB: musb: dereferencing an iomem pointer
"tx_ram" points to io memory. We can't dereference it directly. Sparse complains about this: "drivers/usb/musb/cppi_dma.c:1205:25: warning: dereference of noderef expression" Signed-off-by: Dan Carpenter <error27@gmail.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
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