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- From d80f8d5336690bb4b8ee3b5b374d63062ca2a1cc 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 ++-
- include/soc/bcm2835/raspberrypi-firmware.h | 1 +
- 2 files changed, 3 insertions(+), 1 deletion(-)
- --- a/drivers/firmware/raspberrypi.c
- +++ b/drivers/firmware/raspberrypi.c
- @@ -42,7 +42,7 @@ 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);
- @@ -63,6 +63,7 @@ rpi_firmware_transaction(struct rpi_firm
-
- return ret;
- }
- +EXPORT_SYMBOL_GPL(rpi_firmware_transaction);
-
- /**
- * rpi_firmware_property_list - Submit firmware property list
- --- a/include/soc/bcm2835/raspberrypi-firmware.h
- +++ b/include/soc/bcm2835/raspberrypi-firmware.h
- @@ -129,5 +129,6 @@ int rpi_firmware_property(struct rpi_fir
- int rpi_firmware_property_list(struct rpi_firmware *fw,
- void *data, size_t tag_size);
- struct rpi_firmware *rpi_firmware_get(struct device_node *firmware_node);
- +int rpi_firmware_transaction(struct rpi_firmware *fw, u32 chan, u32 data);
-
- #endif /* __SOC_RASPBERRY_FIRMWARE_H__ */
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