2021-08-21 08:54:34 +00:00
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From 9cf689eda644ccba0c80982cbd821c9163f5de39 Mon Sep 17 00:00:00 2001
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From: Eric Anholt <eric@anholt.net>
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Date: Wed, 14 Sep 2016 09:16:19 +0100
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Subject: [PATCH] raspberrypi-firmware: Export the general transaction
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function.
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The vc4-firmware-kms module is going to be doing the MBOX FB call.
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Signed-off-by: Eric Anholt <eric@anholt.net>
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---
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drivers/firmware/raspberrypi.c | 3 ++-
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1 file changed, 2 insertions(+), 1 deletion(-)
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--- a/drivers/firmware/raspberrypi.c
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+++ b/drivers/firmware/raspberrypi.c
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2021-09-15 09:31:37 +00:00
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@@ -46,7 +46,7 @@ static void response_callback(struct mbo
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2021-08-21 08:54:34 +00:00
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* Sends a request to the firmware through the BCM2835 mailbox driver,
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* and synchronously waits for the reply.
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*/
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-static int
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+int
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rpi_firmware_transaction(struct rpi_firmware *fw, u32 chan, u32 data)
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{
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u32 message = MBOX_MSG(chan, data);
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2021-09-15 09:31:37 +00:00
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@@ -71,6 +71,7 @@ rpi_firmware_transaction(struct rpi_firm
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2021-08-21 08:54:34 +00:00
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return ret;
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}
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+EXPORT_SYMBOL_GPL(rpi_firmware_transaction);
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/**
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* rpi_firmware_property_list - Submit firmware property list
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