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[MiNT] [PATCH] EHCI flush data cache
Commit message:
Flush data cache before filling buffer addresses in transfer descriptor.
Contributed by David Galvez.
diff -r 3cd8ce205219 -r f5c9b8a420d3 sys/usb/src.km/ucd/ehci/ehci-hcd.c
--- a/sys/usb/src.km/ucd/ehci/ehci-hcd.c Fri Nov 21 18:01:40 2014 +0100
+++ b/sys/usb/src.km/ucd/ehci/ehci-hcd.c Fri Nov 21 18:25:03 2014 +0100
@@ -354,6 +354,8 @@
if (addr & (M68K_CACHE_LINE_SIZE - 1))
DEBUG(("EHCI-HCD: Misaligned buffer address (0x%08lx)\n", buf));
+ cpush(buf, ALIGN((unsigned long)buf + sz, M68K_CACHE_LINE_SIZE));
+
idx = 0;
while(idx < 5)
{