linux-kernel - [PATCH v2 2/6] remoteproc: Export rproc_elf_get_boot

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Message-Id: <1504106024-23569-3-git-send-email-sricharan@codeaurora.org>
Date:   Wed, 30 Aug 2017 20:43:40 +0530
From:   Sricharan R <sricharan@...eaurora.org>
To:     bjorn.andersson@...aro.org, ohad@...ery.com, robh+dt@...nel.org,
        mark.rutland@....com, andy.gross@...aro.org,
        david.brown@...aro.org, linux-remoteproc@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, linux-soc@...r.kernel.org
Cc:     sricharan@...eaurora.org
Subject: [PATCH v2 2/6] remoteproc: Export rproc_elf_get_boot_addr

Export rproc_elf_get_boot_addr so that it can be
used by any remoteproc to get the bootaddr of the
elf type firmware images. This is used in the
subsequent patch by the q6v5 based remoteproc
while loading its elf based mdt type image.

Signed-off-by: Sricharan R <sricharan@...eaurora.org>
---
 drivers/remoteproc/remoteproc_elf_loader.c | 2 +-
 drivers/remoteproc/remoteproc_internal.h   | 3 +++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/remoteproc/remoteproc_elf_loader.c b/drivers/remoteproc/remoteproc_elf_loader.c
index c523983..f6d07d9 100644
--- a/drivers/remoteproc/remoteproc_elf_loader.c
+++ b/drivers/remoteproc/remoteproc_elf_loader.c
@@ -110,13 +110,13 @@
  * Note that the boot address is not a configurable property of all remote
  * processors. Some will always boot at a specific hard-coded address.
  */
-static
 u32 rproc_elf_get_boot_addr(struct rproc *rproc, const struct firmware *fw)
 {
 	struct elf32_hdr *ehdr  = (struct elf32_hdr *)fw->data;
 
 	return ehdr->e_entry;
 }
+EXPORT_SYMBOL(rproc_elf_get_boot_addr);
 
 /**
  * rproc_elf_load_segments() - load firmware segments to memory
diff --git a/drivers/remoteproc/remoteproc_internal.h b/drivers/remoteproc/remoteproc_internal.h
index 1e9e5b3..b898510 100644
--- a/drivers/remoteproc/remoteproc_internal.h
+++ b/drivers/remoteproc/remoteproc_internal.h
@@ -125,4 +125,7 @@ struct resource_table *rproc_find_loaded_rsc_table(struct rproc *rproc,
 
 extern const struct rproc_fw_ops rproc_elf_fw_ops;
 
+/* from remoteproc_elf_loader.c */
+u32 rproc_elf_get_boot_addr(struct rproc *rproc, const struct firmware *fw);
+
 #endif /* REMOTEPROC_INTERNAL_H */
-- 
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