Indeed i should probably either use pointer or pass the values, i will do some more testing and update this. Thanks On Thu, 26 Jul 2018 at 19:31, Joe Perches <joe@xxxxxxxxxxx> wrote: > > On Thu, 2018-07-26 at 18:41 +0300, Georgios Tsotsos wrote: > > In order to make this function more clear a new function created that controls > > channels halt on no DMA mode. > [] > > diff --git a/drivers/staging/octeon-usb/octeon-hcd.c b/drivers/staging/octeon-usb/octeon-hcd.c > [] > > @@ -2585,6 +2585,52 @@ static void cvmx_usb_transfer_isoc(struct octeon_hcd *usb, > > } > > } > > > > +/** > > + * Handles channels halt in non DMA mode > > + * @usbc_hcchar: Host Channel-n Characteristics Register (HCCHAR) > > + * @usbc_hcint: Host Channel-n Interrupt Register > > + * @usb: USB device > > + * @channel: Channel to poll > > + * > > + * In non DMA mode the channels don't halt themselves. We need > > + * to manually disable channels that are left running > > + * > > + * Returns: -1 on halt > > + */ > > +static int cvmx_usb_dma_halt(union cvmx_usbcx_hccharx usbc_hcchar, > > + union cvmx_usbcx_hcintx usbc_hcint, > > It looks very suspect to pass unions on the stack. > > Are you sure these aren't used after this function > is called? > > Likely these should be pointers to unions. > -- Best regards! Georgios Tsotsos Greece-Evia-Chalkida tsotsos@xxxxxxxxx skype: tsotsos ------------------------------------ Georgios Tsotsos *Greece - Evia - Chalkida* tsotsos[at]linux.com skype: tsotsos _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel