[PATCH v6 07/12] bootstd: Add debugging for efi bootmeth

[Simon Glass]

Add a little debugging so we can see what is happening.

Signed-off-by: Simon Glass <sjg at chromium.org>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas at linaro.org>
---

Changes in v6:
- Expand the debug messages to be more descriptive

 boot/bootmeth_efi.c | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/boot/bootmeth_efi.c b/boot/bootmeth_efi.c
index 6b41c0999f1..2ad6d3b4ace 100644
--- a/boot/bootmeth_efi.c
+++ b/boot/bootmeth_efi.c
@@ -162,8 +162,10 @@ static int distro_efi_try_bootflow_files(struct udevice *dev,
 	int ret, seq;
 
 	/* We require a partition table */
-	if (!bflow->part)
+	if (!bflow->part) {
+		log_debug("no partitions\n");
 		return -ENOENT;
+	}
 
 	strcpy(fname, EFI_DIRNAME);
 	strcat(fname, BOOTEFI_NAME);
@@ -171,8 +173,10 @@ static int distro_efi_try_bootflow_files(struct udevice *dev,
 	if (bflow->blk)
 		 desc = dev_get_uclass_plat(bflow->blk);
 	ret = bootmeth_try_file(bflow, desc, NULL, fname);
-	if (ret)
+	if (ret) {
+		log_debug("File '%s' not found\n", fname);
 		return log_msg_ret("try", ret);
+	}
 
 	/* Since we can access the file, let's call it ready */
 	bflow->state = BOOTFLOWST_READY;
@@ -307,6 +311,8 @@ static int distro_efi_read_bootflow(struct udevice *dev, struct bootflow *bflow)
 {
 	int ret;
 
+	log_debug("dev='%s', part=%d\n", bflow->dev->name, bflow->part);
+
 	/*
 	 * bootmeth_efi doesn't allocate any buffer neither for blk nor net device
 	 * set flag to avoid freeing static buffer.
@@ -332,6 +338,7 @@ static int distro_efi_boot(struct udevice *dev, struct bootflow *bflow)
 	ulong kernel, fdt;
 	int ret;
 
+	log_debug("distro EFI boot\n");
 	kernel = env_get_hex("kernel_addr_r", 0);
 	if (!bootmeth_uses_network(bflow)) {
 		ret = efiload_read_file(bflow, kernel);
-- 
2.43.0