openwrt/target/linux/bcm27xx/patches-5.10/950-0073-raspberrypi-firmware-Export-the-general-transaction-.patch
Rui Salvaterra 3a2c16d1d2 kernel: bump 5.10 to 5.10.65
Manually refreshed:
generic/pending-5.10/800-bcma-get-SoC-device-struct-copy-its-DMA-params-to-th.patch
bcm27xx/patches-5.10/950-0053-firmware-bcm2835-Support-ARCH_BCM270x.patch
bcm27xx/patches-5.10/950-0087-firmware-raspberrypi-Add-backward-compatible-get_thr.patch

Signed-off-by: Rui Salvaterra <rsalvaterra@gmail.com>
2021-09-30 22:29:33 +01:00

33 lines
1009 B
Diff

From 9cf689eda644ccba0c80982cbd821c9163f5de39 Mon Sep 17 00:00:00 2001
From: Eric Anholt <eric@anholt.net>
Date: Wed, 14 Sep 2016 09:16:19 +0100
Subject: [PATCH] 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);
@@ -71,6 +71,7 @@ rpi_firmware_transaction(struct rpi_firm
return ret;
}
+EXPORT_SYMBOL_GPL(rpi_firmware_transaction);
/**
* rpi_firmware_property_list - Submit firmware property list