On Thu, Dec 13, 2018 at 6:18 PM Stefan Theil <[email protected]> wrote: > > The cache was only flushed before *transmitting* packets, but not > when receiving them, leading to an issue where new packets were > handed to the receive handler with old contents in cache. This > only happens when a lot of packets are received without sending > packages every now and then. > > Signed-off-by: Stefan Theil <[email protected]> > --- > drivers/net/zynq_gem.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/drivers/net/zynq_gem.c b/drivers/net/zynq_gem.c > index 9bd79b198a..5825b6dd99 100644 > --- a/drivers/net/zynq_gem.c > +++ b/drivers/net/zynq_gem.c > @@ -621,6 +621,9 @@ static int zynq_gem_recv(struct udevice *dev, int flags, > uchar **packetp) > > *packetp = (uchar *)(uintptr_t)addr; > > + flush_dcache_range(addr, addr + roundup(PKTSIZE_ALIGN, > ARCH_DMA_MINALIGN));
Shouldn't it be invalidate_dcache_range()? > + barrier(); > + > return frame_len; > } > Regards, Bin _______________________________________________ U-Boot mailing list [email protected] https://lists.denx.de/listinfo/u-boot
