From 9abde0ff52268580501b3120629f3c92f0e5d589 Mon Sep 17 00:00:00 2001 From: Dave Stevenson Date: Thu, 10 Jan 2019 18:48:54 +0000 Subject: [PATCH] firmware: raspberrypi: Report the fw git hash during probe The firmware can now report the git hash from which it was built via the mailbox, so report it during probe. Signed-off-by: Dave Stevenson --- drivers/firmware/raspberrypi.c | 17 +++++++++++++++++ include/soc/bcm2835/raspberrypi-firmware.h | 1 + 2 files changed, 18 insertions(+) --- a/drivers/firmware/raspberrypi.c +++ b/drivers/firmware/raspberrypi.c @@ -263,6 +263,22 @@ rpi_firmware_print_firmware_revision(str } static void +rpi_firmware_print_firmware_hash(struct rpi_firmware *fw) +{ + u32 hash[5]; + int ret = rpi_firmware_property(fw, + RPI_FIRMWARE_GET_FIRMWARE_HASH, + hash, sizeof(hash)); + + if (ret) + return; + + dev_info(fw->cl.dev, + "Firmware hash is %08x%08x%08x%08x%08x\n", + hash[0], hash[1], hash[2], hash[3], hash[4]); +} + +static void rpi_register_hwmon_driver(struct device *dev, struct rpi_firmware *fw) { u32 packet; @@ -308,6 +324,7 @@ static int rpi_firmware_probe(struct pla g_pdev = pdev; rpi_firmware_print_firmware_revision(fw); + rpi_firmware_print_firmware_hash(fw); rpi_register_hwmon_driver(dev, fw); return 0; --- a/include/soc/bcm2835/raspberrypi-firmware.h +++ b/include/soc/bcm2835/raspberrypi-firmware.h @@ -42,6 +42,7 @@ enum rpi_firmware_property_tag { RPI_FIRMWARE_PROPERTY_END = 0, RPI_FIRMWARE_GET_FIRMWARE_REVISION = 0x00000001, RPI_FIRMWARE_GET_FIRMWARE_VARIANT = 0x00000002, + RPI_FIRMWARE_GET_FIRMWARE_HASH = 0x00000003, RPI_FIRMWARE_SET_CURSOR_INFO = 0x00008010, RPI_FIRMWARE_SET_CURSOR_STATE = 0x00008011,