openwrt/target/linux/brcm2708/patches-4.19/950-0110-raspberrypi-firmware-Export-the-general-transaction-.patch
Álvaro Fernández Rojas 4295485719 brcm2708: add linux 4.19 support
Boot tested on Raspberry Pi B+ (BCM2708) and Raspberry Pi 2 (BCM2709)

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2019-07-14 12:44:14 +02:00

33 lines
1017 B
Diff

From 48ce2d8a89c63f31a63b636b119a98c3ddbc66e1 Mon Sep 17 00:00:00 2001
From: Eric Anholt <eric@anholt.net>
Date: Wed, 14 Sep 2016 09:16:19 +0100
Subject: [PATCH 110/703] 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>
---
drivers/firmware/raspberrypi.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/drivers/firmware/raspberrypi.c
+++ b/drivers/firmware/raspberrypi.c
@@ -46,7 +46,7 @@ static void response_callback(struct mbo
* 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);
@@ -67,6 +67,7 @@ rpi_firmware_transaction(struct rpi_firm
return ret;
}
+EXPORT_SYMBOL_GPL(rpi_firmware_transaction);
/**
* rpi_firmware_property_list - Submit firmware property list