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-rw-r--r--src/include/spi-generic.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/include/spi-generic.h b/src/include/spi-generic.h
index bd0020f5d2..4de138cf09 100644
--- a/src/include/spi-generic.h
+++ b/src/include/spi-generic.h
@@ -43,11 +43,16 @@
* bus: ID of the bus that the slave is attached to.
* cs: ID of the chip select connected to the slave.
* rw: Read or Write flag
+ * max_transfer_size: maximum amount of bytes which can be sent in a single
+ * read or write transaction, usually this is a controller
+ * property, kept in the slave structure for convenience. Zero in
+ * this field means 'unlimited'.
*/
struct spi_slave {
unsigned int bus;
unsigned int cs;
unsigned int rw;
+ unsigned int max_transfer_size;
int force_programmer_specific;
struct spi_flash * (*programmer_specific_probe) (struct spi_slave *spi);
};