[PATCH 08/23] pbl: decomp: add pbl_dtbz_uncompress helper

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

Add a pbl 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  | 12 ++++++++++++
 2 files changed, 13 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..4d50ea15555ba96bdc2fcac4c48708c6e1261d4d 100644
--- a/pbl/decomp.c
+++ b/pbl/decomp.c
@@ -51,6 +51,12 @@ static void noinline errorfn(char *error)
 	while (1);
 }
 
+static noinline void errorfn_nohang(char *error)
+{
+	puts_ll("ERROR: ");
+	puts_ll(error);
+}
+
 extern unsigned char sha_sum[];
 extern unsigned char sha_sum_end[];
 
@@ -110,3 +116,9 @@ 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_nohang);
+}

-- 
2.47.3