Re: [U-Boot] [PATCH v2] zynq-gem: Flush cache before handing RX packet to receive handler

Hi Stefan,

On Thu, Dec 13, 2018 at 10:00 PM Stefan Theil stefan.theil@mixed-mode.de wrote:

Please include the commit message. Also the commit tile should read 'invalidate' instead of 'flush'

Signed-off-by: Stefan Theil stefan.theil@mixed-mode.de

---

Changes for v2: - Use invalidate_dcache_range instead of flush_dcache_range

---

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..32a0ff392f 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;

•   invalidate_dcache_range(addr, addr + roundup(PKTSIZE_ALIGN, ARCH_DMA_MINALIGN));
  

•   barrier();
  

•   return frame_len;
  

}

Regards, Bin