brcm2708: add kernel 4.14 support

Patch generation process:
- rebase rpi/rpi-4.14.y on v4.14.89 from linux-stable
- git format-patch v4.14.89

Patches skipped during rebase:
- lan78xx: Read MAC address from DT if present
- lan78xx: Enable LEDs and auto-negotiation
- Revert "softirq: Let ksoftirqd do its job"
- sc16is7xx: Fix for multi-channel stall
- lan78xx: Ignore DT MAC address if already valid
- lan78xx: Simple patch to prevent some crashes
- tcp_write_queue_purge clears all the SKBs in the write queue
- Revert "lan78xx: Simple patch to prevent some crashes"
- lan78xx: Connect phy early
- Arm: mm: ftrace: Only set text back to ro after kernel has been marked ro
- Revert "Revert "softirq: Let ksoftirqd do its job""
- ASoC: cs4265: SOC_SINGLE register value error fix
- Revert "ASoC: cs4265: SOC_SINGLE register value error fix"
- Revert "net: pskb_trim_rcsum() and CHECKSUM_COMPLETE are friends"
- Revert "Revert "net: pskb_trim_rcsum() and CHECKSUM_COMPLETE are friends""

Patches dropped after rebase:
- net: Add non-mainline source for rtl8192cu wlan
- net: Fix rtl8192cu build errors on other platforms
- brcm: adds support for BCM43341 wifi
- brcmfmac: Mute expected startup 'errors'
- ARM64: Fix build break for RTL8187/RTL8192CU wifi
- ARM64: Enable RTL8187/RTL8192CU wifi in build config
- This is the driver for Sony CXD2880 DVB-T2/T tuner + demodulator
- brcmfmac: add CLM download support
- brcmfmac: request_firmware_direct is quieter
- Sets the BCDC priority to constant 0
- brcmfmac: Disable ARP offloading when promiscuous
- brcmfmac: Avoid possible out-of-bounds read
- brcmfmac: Delete redundant length check
- net: rtl8192cu: Normalize indentation
- net: rtl8192cu: Fix implicit fallthrough warnings
- Revert "Sets the BCDC priority to constant 0"
- media: cxd2880: Bump to match 4.18.y version
- media: cxd2880-spi: Bump to match 4.18.y version
- Revert "mm: alloc_contig: re-allow CMA to compact FS pages"
- Revert "Revert "mm: alloc_contig: re-allow CMA to compact FS pages""
- cxd2880: CXD2880_SPI_DRV should select DVB_CXD2880 with
  MEDIA_SUBDRV_AUTOSELECT
- 950-0421-HID-hid-bigbenff-driver-for-BigBen-Interactive-PS3OF.patch
- 950-0453-Add-hid-bigbenff-to-list-of-have_special_driver-for-.patch

Make I2C built-in instead of modular as in upstream defconfig; also the
easiest way to get MFD_ARIZONA enabled, which is required by
kmod-sound-soc-rpi-cirrus.
Add missing compatible strings from
4.9/960-add-rasbperrypi-compatible.patch, using upstream names for
compute modules.
Add extra patch to enable the LEDs on lan78xx.

Compile-tested: bcm2708, bcm2709, bcm2710 (with CONFIG_ALL_KMODS=y)
Runtime-tested: bcm2708, bcm2710

Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>

1 files changed, 84 insertions, 0 deletions

diff --git a/target/linux/brcm2708/patches-4.14/950-0303-firmware-raspberrypi-Notify-firmware-of-a-reboot.patch b/target/linux/brcm2708/patches-4.14/950-0303-firmware-raspberrypi-Notify-firmware-of-a-reboot.patch
new file mode 100644
index 0000000000..09a2f68c15
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.14/950-0303-firmware-raspberrypi-Notify-firmware-of-a-reboot.patch
@@ -0,0 +1,84 @@
+From ae200d1bf8417e24ae3445092d75fc10dd7319b7 Mon Sep 17 00:00:00 2001
+From: Phil Elwell <phil@raspberrypi.org>
+Date: Sat, 12 May 2018 21:35:43 +0100
+Subject: [PATCH 303/454] firmware/raspberrypi: Notify firmware of a reboot
+
+Register for reboot notifications, sending RPI_FIRMWARE_NOTIFY_REBOOT
+over the mailbox interface on reception.
+
+Signed-off-by: Phil Elwell <phil@raspberrypi.org>
+---
+ drivers/firmware/raspberrypi.c | 40 +++++++++++++++++++++++++++++++++-
+ 1 file changed, 39 insertions(+), 1 deletion(-)
+
+--- a/drivers/firmware/raspberrypi.c
++++ b/drivers/firmware/raspberrypi.c
+@@ -14,6 +14,7 @@
+ #include <linux/module.h>
+ #include <linux/of_platform.h>
+ #include <linux/platform_device.h>
++#include <linux/reboot.h>
+ #include <linux/workqueue.h>
+ #include <soc/bcm2835/raspberrypi-firmware.h>
+ 
+@@ -275,6 +276,26 @@ static int rpi_firmware_get_throttled(st
+ 	return 0;
+ }
+ 
++static int rpi_firmware_notify_reboot(struct notifier_block *nb,
++				      unsigned long action,
++				      void *data)
++{
++	struct rpi_firmware *fw;
++	struct platform_device *pdev = g_pdev;
++
++	if (!pdev)
++		return 0;
++
++	fw = platform_get_drvdata(pdev);
++	if (!fw)
++		return 0;
++
++	(void)rpi_firmware_property(fw, RPI_FIRMWARE_NOTIFY_REBOOT,
++				    0, 0);
++
++	return 0;
++}
++
+ static void get_throttled_poll(struct work_struct *work)
+ {
+ 	struct rpi_firmware *fw = container_of(work, struct rpi_firmware,
+@@ -416,15 +437,32 @@ static struct platform_driver rpi_firmwa
+ 	.remove		= rpi_firmware_remove,
+ };
+ 
++static struct notifier_block rpi_firmware_reboot_notifier = {
++	.notifier_call = rpi_firmware_notify_reboot,
++};
++
+ static int __init rpi_firmware_init(void)
+ {
+-	return platform_driver_register(&rpi_firmware_driver);
++	int ret = register_reboot_notifier(&rpi_firmware_reboot_notifier);
++	if (ret)
++		goto out1;
++	ret = platform_driver_register(&rpi_firmware_driver);
++	if (ret)
++		goto out2;
++
++	return 0;
++
++out2:
++	unregister_reboot_notifier(&rpi_firmware_reboot_notifier);
++out1:
++	return ret;
+ }
+ subsys_initcall(rpi_firmware_init);
+ 
+ static void __init rpi_firmware_exit(void)
+ {
+ 	platform_driver_unregister(&rpi_firmware_driver);
++	unregister_reboot_notifier(&rpi_firmware_reboot_notifier);
+ }
+ module_exit(rpi_firmware_exit);
+