[PATCH v3 30/35] efi: Mention that efi_info_get() is only used in the stub

Simon Glass sjg at chromium.org
Tue Oct 26 05:30:53 CEST 2021

This provides access to EFI tables after U-Boot has exited boot services.
It is not needed in the app since boot services remain alive and we can
just call them whenever needed.

Add a comment to explain this.

Signed-off-by: Simon Glass <sjg at chromium.org>

(no changes since v2)

Changes in v2:
- Fix 'as' typo

 include/efi.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/include/efi.h b/include/efi.h
index ed28c204140..69321cc5cc4 100644
--- a/include/efi.h
+++ b/include/efi.h
@@ -578,6 +578,10 @@ void efi_putc(struct efi_priv *priv, const char ch);
  * efi_info_get() - get an entry from an EFI table
+ * This is called from U-Boot proper to read information set up by the EFI stub.
+ * It can only be used when running from the EFI stuff, not when U-Boot is
+ * running as an app.
+ *
  * @type:	Entry type to search for
  * @datap:	Returns pointer to entry data
  * @sizep:	Returns pointer to entry size

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