On Thu, 11 Dec 2008 19:39:21 +0100 Matteo Fortini <m.fort...@selcomgroup.com> wrote:
> > This patch is to avoid breaking some drivers, in my case the ADS7846 > touchscreen one, which use 1 char messages. > If you put the dummy byte after the 1 char message, you get part of the > answer to the message in the rxbuf of the message, which is thrown away. > > The solution is to put the dummy byte before the message, so that the > slave doesn't respond. > > It also optimizes the interrupt handling, by using the alarm function of > the FIFO, to wait until the rx FIFO has received enough bytes, instead > of waiting until the tx FIFO is empty. > > > > Signed-off-by: Matteo Fortini <m.fort...@selcomgroup.com> > --- > drivers/spi/mpc512x_psc_spi.c | 50 > +++++++++++++++++++++++----------------- > 1 files changed, 29 insertions(+), 21 deletions(-) This still seems to be whitespace corrupted. Also, that file doesn't even exist in any upstream kernel I can find. What tree did you diff this from? josh _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
