From d80f8d5336690bb4b8ee3b5b374d63062ca2a1cc Mon Sep 17 00:00:00 2001 From: Eric Anholt 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 --- 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__ */