openwrt/target/linux/brcm2708/patches-4.19/950-0110-raspberrypi-firmware-Export-the-general-transaction-.patch
Koen Vandeputte e115fa478f kernel: bump 4.19 to 4.19.90
Refreshed all patches.

Remove upstreamed:
- 010-dmaengine-dw-dmac-implement-dma-prot.patch
- 950-0148-Increase-firmware-call-buffer-size-to-48-bytes.patch
- 950-0206-Mailbox-firmware-calls-now-use-kmalloc-2749.patch
- 402-leds-trigger-netdev-fix-handling-on-interface-rename.patch

Fixes:
- CVE-2019-19332

Compile-tested on: cns3xxx
Runtime-tested on: cns3xxx

Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com>
[Add 010-dt-bindings-dmaengine-dw-dmac-add-protection-control.patch]
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
2019-12-24 15:34:43 +01:00

33 lines
1017 B
Diff

From 79d09be78f74e3c81ff25f1f78fb17a2f112e3cd Mon Sep 17 00:00:00 2001
From: Eric Anholt <eric@anholt.net>
Date: Wed, 14 Sep 2016 09:16:19 +0100
Subject: [PATCH 110/806] 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
@@ -45,7 +45,7 @@ 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);
@@ -66,6 +66,7 @@ rpi_firmware_transaction(struct rpi_firm
return ret;
}
+EXPORT_SYMBOL_GPL(rpi_firmware_transaction);
/**
* rpi_firmware_property_list - Submit firmware property list