zynqmp: zcu102: Add qspi driver support for ZynqMP zcu102 boards

[u-boot] / doc / README.log

diff --git a/doc/README.log b/doc/README.log
index 54d9a8e1b90ea4f13418390522c49a6b86ed113d..2ee1b753bc776865c8923a3e12cca102f51ed473 100644 (file)
--- a/doc/README.log
+++ b/doc/README.log
@@ -51,6 +51,7 @@ The following main categories are defined:
    LOGC_BOARD  - Related to board-specific code
    LOGC_CORE   - Related to core driver-model support
    LOGC_DT     - Related to device tree control
+   LOGC_EFI    - Related to EFI implementation
 
 
 Enabling logging
@@ -148,12 +149,21 @@ Also debug() and error() will generate log records  - these use LOG_CATEGORY
 as the category, so you should #define this right at the top of the source
 file to ensure the category is correct.
 
+You can also define CONFIG_LOG_ERROR_RETURN to enable the log_ret() macro. This
+can be used whenever your function returns an error value:
+
+   return log_ret(uclass_first_device(UCLASS_MMC, &dev));
+
+This will write a log record when an error code is detected (a value < 0). This
+can make it easier to trace errors that are generated deep in the call stack.
+
 
 Code size
 ---------
 
 Code size impact depends largely on what is enabled. The following numbers are
-for snow, which is a Thumb-2 board:
+generated by 'buildman -S' for snow, which is a Thumb-2 board (all units in
+bytes):
 
 This series: adds bss +20.0 data +4.0 rodata +4.0 text +44.0
 CONFIG_LOG: bss -52.0 data +92.0 rodata -635.0 text +1048.0