spl_fit. add hook to make fixes after fit header is loaded

add hook function spl_load_simple_fit_fix_load()
which is called after fit image header is loaded.

Signed-off-by: Heiko Schocher <hs@denx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>

diff --git a/common/spl/spl_fit.c b/common/spl/spl_fit.c
index f41abca..849e01a 100644 (file)
--- a/common/spl/spl_fit.c
+++ b/common/spl/spl_fit.c
@@ -548,6 +548,15 @@ __weak bool spl_load_simple_fit_skip_processing(void)
        return false;
 }
 
+/*
+ * Weak default function to allow fixes after fit header
+ * is loaded.
+ */
+__weak void *spl_load_simple_fit_fix_load(const void *fit)
+{
+       return (void *)fit;
+}
+
 static void warn_deprecated(const char *msg)
 {
        printf("DEPRECATED: %s\n", msg);
@@ -685,6 +694,8 @@ int spl_load_simple_fit(struct spl_image_info *spl_image,
        if (spl_load_simple_fit_skip_processing())
                return 0;
 
+       ctx.fit = spl_load_simple_fit_fix_load(ctx.fit);
+
        ret = spl_simple_fit_parse(&ctx);
        if (ret < 0)
                return ret;

diff --git a/include/spl.h b/include/spl.h
index afbf39b..7ddb2ab 100644 (file)
--- a/include/spl.h
+++ b/include/spl.h
@@ -305,6 +305,14 @@ ulong spl_get_image_text_base(void);
 bool spl_load_simple_fit_skip_processing(void);
 
 /**
+ * spl_load_simple_fit_fix_load() - Hook to make fixes
+ * after fit image header is loaded
+ *
+ * Returns pointer to fit
+ */
+void *spl_load_simple_fit_fix_load(const void *fit);
+
+/**
  * spl_load_simple_fit() - Loads a fit image from a device.
  * @spl_image: Image description to set up
  * @info:      Structure containing the information required to load data.