On Mon, Aug 06, 2018 at 09:03:35AM -0700, Guenter Roeck wrote: > Yes, I can confirm that the warning is gone in -next. Problem solved, > except of course there are still the warnings about the missing > coherent_dma_mask. > > sm501-usb sm501-usb: SM501 OHCI > sm501-usb sm501-usb: new USB bus registered, assigned bus number 1 > WARNING: CPU: 0 PID: 1 at ./include/linux/dma-mapping.h:516 ohci_init+0x194/0x2d8 > > Is that warning also not warranted for the given use case, or is > the missing mask indeed necessary ? It is easy to add - see > https://lore.kernel.org/patchwork/patch/971411/ - but I do wonder > if that change is appropriate. Yes, every driver using dma coherent functions should set a coherent mask. -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
