Hi Clemens, On Mon, Sep 14, 2015 at 4:24 AM, Clemens Ladisch <clemens@xxxxxxxxxx> wrote: > The "fsl_usb2_udc" driver (if that is what you're using) uses a coherent > DMA pool for "TD management". I see no obvious problem with how it > calls dma_pool_alloc()/dma_pool_free(). Are there any messages in the > system log? You might want to modify the kernel to check how often > it calls these functions. The udc driver used by mx6 is drivers/usb/chipidea/udc.c. Regards, Fabio Estevam -- 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
