[U-Boot] [PATCH v2] zynq-gem: Flush cache before handing RX packet to receive handler
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; }
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
participants (2)
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Bin Meng -
Stefan Theil