commit a704490034c94b87bfe3fa992cc50b9a017b9d2b
author Simon Glass <sjg@chromium.org> Mon Jan 16 07:03:27 2017 -0700
committer Bin Meng <bmeng.cn@gmail.com> Mon Feb 06 11:38:46 2017 +0800
tree a2ab97aa2b32850e336ea16792b02feb58540374
parent b0265429469dde300e3dc2a2c1dce789014c7208

spl: spi: Add a debug message if loading fails

This currently fails silently. Add a debug message to aid debugging.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>

common/spl/spl_spi.c

diff --git a/common/spl/spl_spi.c b/common/spl/spl_spi.c
index cd1d6b2..925a1b1 100644
--- a/common/spl/spl_spi.c
+++ b/common/spl/spl_spi.c
@@ -96,8 +96,11 @@
 		/* Load u-boot, mkimage header is 64 bytes. */
 		err = spi_flash_read(flash, CONFIG_SYS_SPI_U_BOOT_OFFS, 0x40,
 				     (void *)header);
-		if (err)
+		if (err) {
+			debug("%s: Failed to read from SPI flash (err=%d)\n",
+			      __func__, err);
 			return err;
+		}
 
 		if (IS_ENABLED(CONFIG_SPL_LOAD_FIT) &&
 			image_get_magic(header) == FDT_MAGIC) {