Merge 4.19.260 into android-4.19-stable

Changes in 4.19.260
	of: fdt: fix off-by-one error in unflatten_dt_nodes()
	gpio: mpc8xxx: Fix support for IRQ_TYPE_LEVEL_LOW flow_type in mpc85xx
	drm/meson: Correct OSD1 global alpha value
	parisc: ccio-dma: Add missing iounmap in error path in ccio_probe()
	nvmet: fix a use-after-free
	mvpp2: no need to check return value of debugfs_create functions
	cifs: don't send down the destination address to sendmsg for a SOCK_STREAM
	ASoC: nau8824: Fix semaphore unbalance at error paths
	regulator: pfuze100: Fix the global-out-of-bounds access in pfuze100_regulator_probe()
	rxrpc: Fix local destruction being repeated
	ALSA: hda/sigmatel: Keep power up while beep is enabled
	net: usb: qmi_wwan: add Quectel RM520N
	MIPS: OCTEON: irq: Fix octeon_irq_force_ciu_mapping()
	mksysmap: Fix the mismatch of 'L0' symbols in System.map
	video: fbdev: pxa3xx-gcu: Fix integer overflow in pxa3xx_gcu_write
	ALSA: hda/sigmatel: Fix unused variable warning for beep power change
	usb: dwc3: pci: Add Support for Intel Elkhart Lake Devices
	usb: dwc3: pci: add support for TigerLake Devices
	usb: dwc3: pci: add support for the Intel Tiger Lake PCH -H variant
	usb: dwc3: pci: add support for the Intel Jasper Lake
	usb: dwc3: pci: add support for the Intel Alder Lake-S
	wifi: mac80211: Fix UAF in ieee80211_scan_rx()
	USB: core: Fix RST error in hub.c
	USB: serial: option: add Quectel BG95 0x0203 composition
	USB: serial: option: add Quectel RM520N
	ALSA: hda/tegra: set depop delay for tegra
	ALSA: hda: add Intel 5 Series / 3400 PCI DID
	ALSA: hda/realtek: Enable 4-speaker output Dell Precision 5530 laptop
	efi: libstub: check Shim mode using MokSBStateRT
	mm/slub: fix to return errno if kmalloc() fails
	arm64: dts: rockchip: Set RK3399-Gru PCLK_EDP to 24 MHz
	arm64: dts: rockchip: Remove 'enable-active-low' from rk3399-puma
	netfilter: nf_conntrack_sip: fix ct_sip_walk_headers
	netfilter: nf_conntrack_irc: Tighten matching on DCC message
	iavf: Fix cached head and tail value for iavf_get_tx_pending
	ipvlan: Fix out-of-bound bugs caused by unset skb->mac_header
	net: team: Unsync device addresses on ndo_stop
	MIPS: lantiq: export clk_get_io() for lantiq_wdt.ko
	i40e: Fix VF set max MTU size
	i40e: Fix set max_tx_rate when it is lower than 1 Mbps
	of: mdio: Add of_node_put() when breaking out of for_each_xx
	netfilter: ebtables: fix memory leak when blob is malformed
	can: gs_usb: gs_can_open(): fix race dev->can.state condition
	perf jit: Include program header in ELF files
	perf kcore_copy: Do not check /proc/modules is unchanged
	net: sunhme: Fix packet reception for len < RX_COPY_THRESHOLD
	serial: Create uart_xmit_advance()
	serial: tegra: Use uart_xmit_advance(), fixes icount.tx accounting
	s390/dasd: fix Oops in dasd_alias_get_start_dev due to missing pavgroup
	Drivers: hv: Never allocate anything besides framebuffer from framebuffer memory region
	drm/amd/display: Limit user regamma to a valid value
	drm/rockchip: Fix return type of cdn_dp_connector_mode_valid
	workqueue: don't skip lockdep work dependency in cancel_work_sync()
	usb: dwc3: pci: Allow Elkhart Lake to utilize DSM method for PM functionality
	ext4: make directory inode spreading reflect flexbg size
	Linux 4.19.260

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: If1ae526556d6ba20a452243e4a6bce84c0831d49

drivers/gpio/gpio-mpc8xxx.c

@@ -168,6 +168,7 @@ static int mpc8xxx_irq_set_type(struct irq_data *d, unsigned int flow_type)
 
 	switch (flow_type) {
 	case IRQ_TYPE_EDGE_FALLING:
+	case IRQ_TYPE_LEVEL_LOW:
 		raw_spin_lock_irqsave(&mpc8xxx_gc->lock, flags);
 		gc->write_reg(mpc8xxx_gc->regs + GPIO_ICR,
 			gc->read_reg(mpc8xxx_gc->regs + GPIO_ICR)