[U-Boot] [PATCH 1/2] spi_flash: Add error message when lock operations are not supported

[Fabio Estevam]

From: Fabio Estevam <fabio.estevam at freescale.com>

In the case of lock operations not being supported, we should better let
the user know instead of failing silently.

Signed-off-by: Fabio Estevam <fabio.estevam at freescale.com>
---
 include/spi_flash.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/include/spi_flash.h b/include/spi_flash.h
index 0ae0062..ff51c50 100644
--- a/include/spi_flash.h
+++ b/include/spi_flash.h
@@ -237,8 +237,10 @@ static inline int spi_flash_erase(struct spi_flash *flash, u32 offset,
 static inline int spi_flash_protect(struct spi_flash *flash, u32 ofs, u32 len,
 					bool prot)
 {
-	if (!flash->flash_lock)
+	if (!flash->flash_lock) {
+		printf("Protect operation not supported for this flash\n");
 		return -EOPNOTSUPP;
+	}
 
 	if (prot)
 		return flash->flash_lock(flash, ofs, len);
-- 
1.9.1