On Fri, Jun 28, 2024 at 05:38:50PM +0800, Jacky Chou wrote: > The TX/RX descriptor size is 16 byte. > When the cache line size is larger than 16 bytes, descriptors > flushed to RAM will flush more than one descriptor. > It is possible that it may mistakenly flush to other descriptor > that has been updated by MAC in RAM. > > To avoid this issue, align the descriptors to cache line size. > Only one desc will be flushed or invalidated at a time. > > Signed-off-by: Jacky Chou <[email protected]> > --- > drivers/net/ftgmac100.c | 13 ++++++++++++- > drivers/net/ftgmac100.h | 5 +++-- > 2 files changed, 15 insertions(+), 3 deletions(-)
Acked-by: Leo Yu-Chi Liang <[email protected]>
