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50b0df814b
Up until now this driver only worked with data cache disabled. To make it work with enabled data cache following changes were required: * Flush Tx/Rx buffer descriptors their modification * Invalidate Tx/Rx buffer descriptors before reading its values * Flush cache for data passed from CPU to GMAC * Invalidate cache for data passed from GMAC to CPU Cc: Joe Hershberger <joe.hershberger@ni.com> Cc: Vipin Kumar <vipin.kumar@st.com> Cc: Stefan Roese <sr@denx.de> Cc: Mischa Jonker <mjonker@synopsys.com> Cc: Shiraz Hashim <shiraz.hashim@st.com> Cc: Albert ARIBAUD <albert.u.boot@aribaud.net> Cc: Amit Virdi <amit.virdi@st.com> Cc: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>