[PATCH 1/3] mem: spi-mem: define spi_mem_default_supports_op

[Mathew McBride <matt@traverse.com.au>]

spi_mem_default_supports_op is used internally by controller
drivers to verify operation semantics are correct.

Signed-off-by: Mathew McBride <matt@traverse.com.au>
---
 include/spi-mem.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/include/spi-mem.h b/include/spi-mem.h
index ca0f55c8fd..92c640dabe 100644
--- a/include/spi-mem.h
+++ b/include/spi-mem.h
@@ -216,6 +216,10 @@ int spi_controller_dma_map_mem_op_data(struct spi_controller *ctlr,
 void spi_controller_dma_unmap_mem_op_data(struct spi_controller *ctlr,
 					  const struct spi_mem_op *op,
 					  struct sg_table *sg);
+
+bool spi_mem_default_supports_op(struct spi_mem *mem,
+				 const struct spi_mem_op *op);
+
 #else
 static inline int
 spi_controller_dma_map_mem_op_data(struct spi_controller *ctlr,
@@ -231,6 +235,12 @@ spi_controller_dma_unmap_mem_op_data(struct spi_controller *ctlr,
 				     struct sg_table *sg)
 {
 }
+
+bool spi_mem_default_supports_op(struct spi_mem *mem,
+				 const struct spi_mem_op *op)
+{
+	return false;
+}
 #endif /* CONFIG_SPI_MEM */
 #endif /* __UBOOT__ */
 
-- 
2.30.0