From: Eric Anholt <eric@anholt.net>
Date: Wed, 14 Sep 2016 08:16:19 +0000 (+0100)
Subject: raspberrypi-firmware: Export the general transaction function.
X-Git-Tag: Ubuntu-raspi2-4.10.0-1019.22~156
X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=b1d531440284336e4931c174f7e42655e5369418;p=mirror_ubuntu-zesty-kernel.git

raspberrypi-firmware: Export the general transaction function.

The vc4-firmware-kms module is going to be doing the MBOX FB call.

Signed-off-by: Eric Anholt <eric@anholt.net>
---

diff --git a/drivers/firmware/raspberrypi.c b/drivers/firmware/raspberrypi.c
index 3f070bd38a91..f261b64d1657 100644
--- a/drivers/firmware/raspberrypi.c
+++ b/drivers/firmware/raspberrypi.c
@@ -42,7 +42,7 @@ static void response_callback(struct mbox_client *cl, void *msg)
  * Sends a request to the firmware through the BCM2835 mailbox driver,
  * and synchronously waits for the reply.
  */
-static int
+int
 rpi_firmware_transaction(struct rpi_firmware *fw, u32 chan, u32 data)
 {
 	u32 message = MBOX_MSG(chan, data);
@@ -63,6 +63,7 @@ rpi_firmware_transaction(struct rpi_firmware *fw, u32 chan, u32 data)
 
 	return ret;
 }
+EXPORT_SYMBOL_GPL(rpi_firmware_transaction);
 
 /**
  * rpi_firmware_property_list - Submit firmware property list
diff --git a/include/soc/bcm2835/raspberrypi-firmware.h b/include/soc/bcm2835/raspberrypi-firmware.h
index 7f0da0727422..280791fb9656 100644
--- a/include/soc/bcm2835/raspberrypi-firmware.h
+++ b/include/soc/bcm2835/raspberrypi-firmware.h
@@ -152,5 +152,6 @@ static inline struct rpi_firmware *rpi_firmware_get(struct device_node *firmware
 	return NULL;
 }
 #endif
+int rpi_firmware_transaction(struct rpi_firmware *fw, u32 chan, u32 data);
 
 #endif /* __SOC_RASPBERRY_FIRMWARE_H__ */