net/designware: align DMA buffer descriptors to D$ line

It's important to have ability to flush/invalidate each DMA buffer descriptor individually to prevent incoherency of adjacent BDs. Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com> Cc: Vineet Gupta <vgupta@synopsys.com> Cc: Joe Hershberger <joe.hershberger@ni.com> Cc: Vipin Kumar <vipin.kumar@st.com> Cc: Stefan Roese <sr@denx.de> 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>

net/designware: align DMA buffer descriptors to D$ line
It's important to have ability to flush/invalidate each DMA buffer descriptor individually to prevent incoherency of adjacent BDs. Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com> Cc: Vineet Gupta <vgupta@synopsys.com> Cc: Joe Hershberger <joe.hershberger@ni.com> Cc: Vipin Kumar <vipin.kumar@st.com> Cc: Stefan Roese <sr@denx.de> 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>
Alexey Brodkin · Tom Rini
1 parent 028d65fb92
Showing 1 changed file with 1 additions and 1 deletions Side-by-side Diff
drivers/net/designware.h
@@ -110,7 +110,7 @@
 	u32 dmamac_cntl;
 	void *dmamac_addr;
 	struct dmamacdescr *dmamac_next;
-} __aligned(16);
+} __aligned(ARCH_DMA_MINALIGN);
  
 /*
  * txrx_status definitions
...	...	@@ -110,7 +110,7 @@
110	110	u32 dmamac_cntl;
111	111	void *dmamac_addr;
112	112	struct dmamacdescr *dmamac_next;
113		-} __aligned(16);
	113	+} __aligned(ARCH_DMA_MINALIGN);
114	114
115	115	/*
116	116	* txrx_status definitions