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Matthew Howell c5123797b8 serial: exar: Fix GPIO configuration for Sealevel cards based on XR17V35X 
[ Upstream commit 5fdbe136ae19ab751daaa4d08d9a42f3e30d17f9 ]

Sealevel XR17V35X based devices are inoperable on kernel versions
4.11 and above due to a change in the GPIO preconfiguration introduced in
commit
7dea8165f1d. This patch fixes this by preconfiguring the GPIO on Sealevel
cards to the value (0x00) used prior to commit 7dea8165f1d

With GPIOs preconfigured as per commit 7dea8165f1d all ports on
Sealevel XR17V35X based devices become stuck in high impedance
mode, regardless of dip-switch or software configuration. This
causes the device to become effectively unusable. This patch (in
various forms) has been distributed to our customers and no issues
related to it have been reported.

Fixes: 7dea8165f1d6 ("serial: exar: Preconfigure xr17v35x MPIOs as output")
Signed-off-by: Matthew Howell <matthew.howell@sealevel.com>
Link: https://lore.kernel.org/r/alpine.DEB.2.21.2007221605270.13247@tstest-VirtualBox
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
 		2021-03-16 16:32:28 +08:00
..
accessibility Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
acpi ACPI: video: Use native backlight on Acer TravelMate 5735Z 2021-03-16 16:31:56 +08:00
amba Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
android binder: fix null deref of proc->context 2021-03-16 16:30:50 +08:00
ata ata/libata: Fix usage of page address by page_address in ata_scsi_mode_select_xlat function 2021-03-16 16:31:03 +08:00
atm Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
auxdisplay Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
base regmap: debugfs: Don't sleep while atomic for fast_io regmaps 2021-03-16 16:32:01 +08:00
bcma Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
block Revert "zram: convert remaining CLASS_ATTR() to CLASS_ATTR_RO()" 2021-03-16 16:32:11 +08:00
bluetooth Bluetooth: hci_bcm: fix freeing not-requested IRQ 2021-03-16 16:29:45 +08:00
bus bus: ti-sysc: Do not disable on suspend for no-idle 2021-03-16 16:31:58 +08:00
cdrom Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
char virtio: virtio_console: add missing MODULE_DEVICE_TABLE() for rproc serial 2021-03-16 16:32:09 +08:00
clk clk: qcom: gcc: Add missing UFS clocks for SM8150 2021-03-16 16:32:05 +08:00
clocksource arm64: arch_timer: Disable the compat vdso for cores affected by ARM64_WORKAROUND_1418040 2021-03-16 16:31:46 +08:00
connector Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
counter counter: 104-quad-8: Add lock guards - generic interface 2021-03-16 16:27:07 +08:00
cpufreq cpufreq: Fix up cpufreq_boost_set_sw() 2021-03-16 16:29:08 +08:00
cpuidle cpuidle: Fix three reference count leaks 2021-03-16 16:29:37 +08:00
crypto crypto: atmel - Fix build error of CRYPTO_AUTHENC 2021-03-16 16:31:42 +08:00
dax device-dax: don't leak kernel memory to user space after unloading kmem 2021-03-16 16:28:19 +08:00
dca Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
devfreq PM / devfreq: Add missing locking while setting suspend_freq 2021-03-16 16:27:31 +08:00
dio Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
dma dmaengine: fsl-edma-common: correct DSIZE_32BYTE 2021-03-16 16:32:14 +08:00
dma-buf dmabuf: use spinlock to access dmabuf->name 2021-03-16 16:32:21 +08:00
edac EDAC/amd64: Read back the scrub rate PCI register on F15h 2021-03-16 16:31:13 +08:00
eisa Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
extcon extcon: adc-jack: Fix an error handling path in 'adc_jack_probe()' 2021-03-16 16:30:26 +08:00
firewire Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
firmware drivers/firmware/psci: Fix memory leakage in alloc_init_cpu_groups() 2021-03-16 16:32:20 +08:00
fpga fpga: dfl: fix bug in port reset handshake 2021-03-16 16:32:23 +08:00
fsi Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
gnss gnss: sirf: fix error return code in sirf_probe() 2021-03-16 16:29:47 +08:00
gpio gpio: arizona: put pm_runtime in case of failure 2021-03-16 16:32:18 +08:00
gpu drm: sun4i: hdmi: Fix inverted HPD result 2021-03-16 16:32:25 +08:00
greybus Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
hid HID: quirks: Ignore Simply Automated UPB PIM 2021-03-16 16:32:06 +08:00
hsi Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
hv Drivers: hv: vmbus: Always handle the VMBus messages on CPU0 2021-03-16 16:29:25 +08:00
hwmon hwmon: (emc2103) fix unable to change fan pwm1_enable attribute 2021-03-16 16:32:12 +08:00
hwspinlock Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
hwtracing intel_th: Fix a NULL dereference when hub driver is not loaded 2021-03-16 16:32:13 +08:00
i2c i2c: i2c-qcom-geni: Fix DMA transfer race 2021-03-16 16:32:28 +08:00
i3c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
ide Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
idle Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
iio iio: adc: ad7780: Fix a resource handling path in 'ad7780_probe()' 2021-03-16 16:31:58 +08:00
infiniband RDMA/mlx5: Use xa_lock_irq when access to SRQ table 2021-03-16 16:32:24 +08:00
input Input: i8042 - add Lenovo XiaoXin Air 12 to i8042 nomux list 2021-03-16 16:32:11 +08:00
interconnect Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
iommu irqdomain/treewide: Keep firmware node unconditionally allocated 2021-03-16 16:32:20 +08:00
ipack ipack: tpci200: fix error return code in tpci200_register() 2021-03-16 16:28:19 +08:00
irqchip irqchip/gic: Atomically update affinity 2021-03-16 16:31:22 +08:00
isdn Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
leds leds: core: Fix warning message when init_data 2021-03-16 16:26:37 +08:00
lightnvm Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
macintosh drivers/macintosh: Fix memleak in windfarm_pm112 driver 2021-03-16 16:29:49 +08:00
mailbox mailbox: zynqmp-ipi: Fix NULL vs IS_ERR() check in zynqmp_ipi_mbox_probe() 2021-03-16 16:30:27 +08:00
mcb Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
md dm: use bio_uninit instead of bio_disassociate_blkg 2021-03-16 16:32:20 +08:00
media media: ov5640: fix use of destroyed mutex 2021-03-16 16:29:45 +08:00
memory Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
memstick Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
message scsi: mptscsih: Fix read sense data size 2021-03-16 16:31:28 +08:00
mfd mfd: stmfx: Disable IRQ in suspend to avoid spurious interrupt 2021-03-16 16:30:24 +08:00
misc misc: atmel-ssc: lock with mutex instead of spinlock 2021-03-16 16:32:14 +08:00
mmc mmc: sdhci: do not enable card detect interrupt for gpio cd type 2021-03-16 16:31:55 +08:00
mtd mtd: rawnand: oxnas: Release all devices in the _remove() path 2021-03-16 16:32:05 +08:00
mux Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
net geneve: fix an uninitialized value in geneve_changelink() 2021-03-16 16:32:28 +08:00
nfc NFC: st21nfca: add missed kfree_skb() in an error path 2021-03-16 16:28:49 +08:00
ntb NTB: perf: Fix race condition when run with ntb_test 2021-03-16 16:30:32 +08:00
nubus Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
nvdimm libnvdimm: Out of bounds read in __nd_ioctl() 2021-03-16 16:26:40 +08:00
nvme nvme-rdma: assign completion vector correctly 2021-03-16 16:31:28 +08:00
nvmem nvmem: qfprom: remove incorrect write support 2021-03-16 16:28:52 +08:00
of of: of_mdio: Correct loop scanning logic 2021-03-16 16:31:51 +08:00
opp Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
oprofile Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
parisc Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
parport Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
pci Revert "PCI/PM: Assume ports without DLL Link Active train links in 100 ms" 2021-03-16 16:32:27 +08:00
pcmcia Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
perf drivers/perf: hisi: Fix wrong value for all counters enable 2021-03-16 16:30:32 +08:00
phy phy: sun4i-usb: fix dereference of pointer phy0 before it is null checked 2021-03-16 16:31:57 +08:00
pinctrl pinctrl: amd: fix npins for uart0 in kerncz_groups 2021-03-16 16:32:18 +08:00
platform platform/x86: asus_wmi: Reserve more space for struct bias_args 2021-03-16 16:29:37 +08:00
pnp Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
power power: supply: smb347-charger: IRQSTAT_D is volatile 2021-03-16 16:30:14 +08:00
powercap Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
pps Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
ps3 Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
ptp Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
pwm pwm: jz4740: Fix build failure 2021-03-16 16:31:41 +08:00
rapidio rapidio: fix an error in get_user_pages_fast() error handling 2021-03-16 16:28:19 +08:00
ras Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
regulator regualtor: pfuze100: correct sw1a/sw2 on pfuze3000 2021-03-16 16:30:56 +08:00
remoteproc remoteproc: qcom_q6v5_mss: map/unmap mpss segments before/after use 2021-03-16 16:29:59 +08:00
reset Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
rpmsg Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
rtc rtc: rv3028: Add missed check for devm_regmap_init_i2c() 2021-03-16 16:30:27 +08:00
s390 s390/qeth: fix error handling for isolation mode cmds 2021-03-16 16:30:59 +08:00
sbus Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
scsi scsi: dh: Add Fujitsu device to devinfo and dh lists 2021-03-16 16:32:20 +08:00
sfi Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
sh Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
siox Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
slimbus slimbus: core: Fix mismatch in of_node_get/put 2021-03-16 16:32:05 +08:00
soc soc: qcom: rpmh: Dirt can only make you dirtier, not cleaner 2021-03-16 16:32:18 +08:00
soundwire soundwire: intel: fix memory leak with devm_kasprintf 2021-03-16 16:31:57 +08:00
spi spi: sprd: switch the sequence of setting WDG_LOAD_LOW and _HIGH 2021-03-16 16:32:17 +08:00
spmi Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
ssb Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
staging staging: comedi: verify array index is correct before using it 2021-03-16 16:31:59 +08:00
target scsi: target: tcmu: Fix a use after free in tcmu_check_expired_queue_cmd() 2021-03-16 16:30:24 +08:00
tc Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
tee Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
thermal thermal/drivers/cpufreq_cooling: Fix wrong frequency converted from power 2021-03-16 16:32:15 +08:00
thunderbolt Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
tty serial: exar: Fix GPIO configuration for Sealevel cards based on XR17V35X 2021-03-16 16:32:28 +08:00
uio uio_pdrv_genirq: fix use without device tree and no interrupt 2021-03-16 16:32:12 +08:00
usb USB: serial: option: add Quectel EG95 LTE modem 2021-03-16 16:32:09 +08:00
vfio vfio/mdev: Fix reference count leak in add_mdev_supported_type 2021-03-16 16:30:27 +08:00
vhost scsi: vhost: Notify TCM about the maximum sg entries supported per command 2021-03-16 16:30:04 +08:00
video backlight: lp855x: Ensure regulators are disabled on probe failure 2021-03-16 16:29:56 +08:00
virt virt: vbox: Fix guest capabilities mask check 2021-03-16 16:32:09 +08:00
virtio Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
visorbus Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
vlynq Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
vme Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
w1 w1: omap-hdq: cleanup to add missing newline for some dev_dbg 2021-03-16 16:29:53 +08:00
watchdog watchdog: da9062: No need to ping manually before setting timeout 2021-03-16 16:30:22 +08:00
xen xen/pvcalls-back: test for errors when calling backend_connect() 2021-03-16 16:29:13 +08:00
zorro Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
Kconfig Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
Makefile Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00