brcm2708: add linux 4.19 support
[oweals/openwrt.git] / target / linux / brcm2708 / patches-4.19 / 950-0110-raspberrypi-firmware-Export-the-general-transaction-.patch
1 From 48ce2d8a89c63f31a63b636b119a98c3ddbc66e1 Mon Sep 17 00:00:00 2001
2 From: Eric Anholt <eric@anholt.net>
3 Date: Wed, 14 Sep 2016 09:16:19 +0100
4 Subject: [PATCH 110/703] raspberrypi-firmware: Export the general transaction
5  function.
6
7 The vc4-firmware-kms module is going to be doing the MBOX FB call.
8
9 Signed-off-by: Eric Anholt <eric@anholt.net>
10 ---
11  drivers/firmware/raspberrypi.c | 3 ++-
12  1 file changed, 2 insertions(+), 1 deletion(-)
13
14 --- a/drivers/firmware/raspberrypi.c
15 +++ b/drivers/firmware/raspberrypi.c
16 @@ -46,7 +46,7 @@ static void response_callback(struct mbo
17   * Sends a request to the firmware through the BCM2835 mailbox driver,
18   * and synchronously waits for the reply.
19   */
20 -static int
21 +int
22  rpi_firmware_transaction(struct rpi_firmware *fw, u32 chan, u32 data)
23  {
24         u32 message = MBOX_MSG(chan, data);
25 @@ -67,6 +67,7 @@ rpi_firmware_transaction(struct rpi_firm
26  
27         return ret;
28  }
29 +EXPORT_SYMBOL_GPL(rpi_firmware_transaction);
30  
31  /**
32   * rpi_firmware_property_list - Submit firmware property list