Commit 1a2804652279828055ca99d84ec2819977a98f6e
2014-06-26T12:22:11
KnC: Limit SPI transfers to 4KB. Beaglebone SPI kernel driver doesn't handle bigger transfers
diff --git a/driver-knc.c b/driver-knc.c
index a360c11..269df9e 100644
--- a/driver-knc.c
+++ b/driver-knc.c
@@ -92,7 +92,7 @@ struct knc_die {
struct knc_core_state *core;
};
-#define MAX_SPI_SIZE (65536)
+#define MAX_SPI_SIZE (4096)
#define MAX_SPI_RESPONSES (MAX_SPI_SIZE / (2 + 4 + 1 + 1 + 1 + 4))
#define MAX_SPI_MESSAGE (128)
#define KNC_SPI_BUFFERS (2)