The patch "[usb: musb: Ensure that cppi41 timer gets armed on premature DMA TX irq](https://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/commit/drivers/usb/musb/musb_cppi41.c?h=linux-3.14.y&id=a5d6bd2499fb860e7eaa537973fddcc9d8157491)" is missing for musb_cppi41.c in the 3.14 branch, while newer and older patches have been applied.