[PATCH v3 04/14] pbl: decomp: add pbl_dtbz_uncompress helper

[Marco Felsch <m.felsch@pengutronix.de>]

Add a pbl dtbz uncompress helper since uncompress() can't be used
directly within pbl.

Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
---
 include/pbl.h | 1 +
 pbl/decomp.c  | 6 ++++++
 2 files changed, 7 insertions(+)

diff --git a/include/pbl.h b/include/pbl.h
index b330010562c4aba5fccbb4c421bb95291fa0bea1..9db4652e833bf5e82fd42a1cae19e94c4f2f868f 100644
--- a/include/pbl.h
+++ b/include/pbl.h
@@ -15,6 +15,7 @@ extern unsigned long free_mem_ptr;
 extern unsigned long free_mem_end_ptr;
 
 void pbl_barebox_uncompress(void *dest, void *compressed_start, unsigned int len);
+int pbl_dtbz_uncompress(void *dest, void *compressed_start, unsigned long len);
 
 void fdt_find_mem(const void *fdt, unsigned long *membase, unsigned long *memsize);
 int fdt_fixup_mem(void *fdt, unsigned long membase[], unsigned long memsize[], size_t num);
diff --git a/pbl/decomp.c b/pbl/decomp.c
index ebdf81ddfbe5af65a382b7221c7102dcc791e5b9..8609ea2a46d2bcad6be8ad97e234f3af52c2145e 100644
--- a/pbl/decomp.c
+++ b/pbl/decomp.c
@@ -110,3 +110,9 @@ void pbl_barebox_uncompress(void *dest, void *compressed_start, unsigned int len
 			NULL, NULL,
 			dest, NULL, errorfn);
 }
+
+int pbl_dtbz_uncompress(void *dest, void *compressed_start, unsigned long len)
+{
+	return decompress(compressed_start, len, NULL, NULL, dest, NULL,
+			  errorfn);
+}

-- 
2.47.3