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7d7aa2fd92
This change makes the names of Broadcom targets consistent by using the common notation based on SoC/CPU ID (which is used internally anyway), bcmXXXX instead of brcmXXXX. This is even used for target TITLE in make menuconfig already, only the short target name used brcm so far. Despite, since subtargets range from bcm2708 to bcm2711, it seems appropriate to use bcm27xx instead of bcm2708 (again, as already done for BOARDNAME). This also renames the packages brcm2708-userland and brcm2708-gpu-fw. Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de> Acked-by: Álvaro Fernández Rojas <noltari@gmail.com>
85 lines
2.2 KiB
Diff
85 lines
2.2 KiB
Diff
From 68aaa2f653c83f8fda6032153566b4f895dff524 Mon Sep 17 00:00:00 2001
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From: Phil Elwell <phil@raspberrypi.org>
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Date: Sat, 12 May 2018 21:35:43 +0100
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Subject: [PATCH] firmware/raspberrypi: Notify firmware of a reboot
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Register for reboot notifications, sending RPI_FIRMWARE_NOTIFY_REBOOT
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over the mailbox interface on reception.
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Signed-off-by: Phil Elwell <phil@raspberrypi.org>
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---
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drivers/firmware/raspberrypi.c | 40 +++++++++++++++++++++++++++++++++-
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1 file changed, 39 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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@@ -14,6 +14,7 @@
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#include <linux/module.h>
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#include <linux/of_platform.h>
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#include <linux/platform_device.h>
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+#include <linux/reboot.h>
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#include <linux/slab.h>
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#include <soc/bcm2835/raspberrypi-firmware.h>
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@@ -175,6 +176,26 @@ int rpi_firmware_property(struct rpi_fir
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}
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EXPORT_SYMBOL_GPL(rpi_firmware_property);
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+static int rpi_firmware_notify_reboot(struct notifier_block *nb,
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+ unsigned long action,
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+ void *data)
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+{
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+ struct rpi_firmware *fw;
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+ struct platform_device *pdev = g_pdev;
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+
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+ if (!pdev)
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+ return 0;
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+
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+ fw = platform_get_drvdata(pdev);
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+ if (!fw)
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+ return 0;
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+
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+ (void)rpi_firmware_property(fw, RPI_FIRMWARE_NOTIFY_REBOOT,
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+ 0, 0);
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+
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+ return 0;
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+}
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+
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static void
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rpi_firmware_print_firmware_revision(struct rpi_firmware *fw)
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{
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@@ -285,15 +306,32 @@ static struct platform_driver rpi_firmwa
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.remove = rpi_firmware_remove,
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};
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+static struct notifier_block rpi_firmware_reboot_notifier = {
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+ .notifier_call = rpi_firmware_notify_reboot,
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+};
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+
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static int __init rpi_firmware_init(void)
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{
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- return platform_driver_register(&rpi_firmware_driver);
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+ int ret = register_reboot_notifier(&rpi_firmware_reboot_notifier);
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+ if (ret)
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+ goto out1;
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+ ret = platform_driver_register(&rpi_firmware_driver);
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+ if (ret)
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+ goto out2;
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+
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+ return 0;
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+
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+out2:
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+ unregister_reboot_notifier(&rpi_firmware_reboot_notifier);
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+out1:
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+ return ret;
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}
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subsys_initcall(rpi_firmware_init);
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static void __init rpi_firmware_exit(void)
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{
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platform_driver_unregister(&rpi_firmware_driver);
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+ unregister_reboot_notifier(&rpi_firmware_reboot_notifier);
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}
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module_exit(rpi_firmware_exit);
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