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Dylan Hung bf00edd9e6 mdio: aspeed: Fix "Link is Down" issue 
commit 9dbe33cf371bd70330858370bdbc35c7668f00c3 upstream.

The issue happened randomly in runtime.  The message "Link is Down" is
popped but soon it recovered to "Link is Up".

The "Link is Down" results from the incorrect read data for reading the
PHY register via MDIO bus.  The correct sequence for reading the data
shall be:
1. fire the command
2. wait for command done (this step was missing)
3. wait for data idle
4. read data from data register

Cc: stable@vger.kernel.org
Fixes: f160e99462 ("net: phy: Add mdio-aspeed")
Reviewed-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Dylan Hung <dylan_hung@aspeedtech.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Link: https://lore.kernel.org/r/20211125024432.15809-1-dylan_hung@aspeedtech.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 		2021-12-01 09:19:01 +01:00
..
accessibility
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acpi ACPI: Get acpi_device's parent from the parent field 2021-12-01 09:18:58 +01:00
amba ARM: 9120/1: Revert "amba: make use of -1 IRQs warn" 2021-11-06 14:10:09 +01:00
android binder: fix test regression due to sender_euid change 2021-12-01 09:18:59 +01:00
ata libata: fix checking of DMA state 2021-11-18 14:03:46 +01:00
atm
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auxdisplay auxdisplay: ht16k33: Fix frame buffer device blanking 2021-11-18 14:04:24 +01:00
base firmware_loader: fix pre-allocated buf built-in firmware use 2021-11-26 10:39:10 +01:00
bcma bcma: Fix memory leak for internally-handled cores 2021-09-15 09:50:45 +02:00
block loop: Use blk_validate_block_size() to validate block size 2021-11-21 13:46:35 +01:00
bluetooth Bluetooth: btmtkuart: fix a memleak in mtk_hci_wmt_sync 2021-11-18 14:04:03 +01:00
bus bus: ti-sysc: Use context lost quirk for otg 2021-11-26 10:39:08 +01:00
cdrom
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char tpm_tis_spi: Add missing SPI ID 2021-11-18 14:04:11 +01:00
clk clk: qcom: gcc-msm8996: Drop (again) gcc_aggre1_pnoc_ahb_clk 2021-11-26 10:39:13 +01:00
clocksource clocksource/drivers/timer-ti-dm: Select TIMER_OF 2021-11-18 14:04:09 +01:00
connector
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counter counter: 104-quad-8: Return error when invalid mode during ceiling_write 2021-09-15 09:50:38 +02:00
cpufreq cpufreq: schedutil: Destroy mutex before kobject_put() frees the memory 2021-10-06 15:55:46 +02:00
cpuidle cpuidle: Fix kobject memory leaks in error paths 2021-11-18 14:04:05 +01:00
crypto crypto: qat - disregard spurious PFVF interrupts 2021-11-18 14:04:06 +01:00
dax
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dca
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devfreq
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dio
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dma dmaengine: dmaengine_desc_callback_valid(): Check for `callback_result` 2021-11-18 14:04:24 +01:00
dma-buf dma-buf: WARN on dmabuf release with pending attachments 2021-11-18 14:03:52 +01:00
edac EDAC/amd64: Handle three rank interleaving mode 2021-11-18 14:04:06 +01:00
eisa
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extcon
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firewire
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firmware firmware: qcom_scm: Fix error retval in __qcom_scm_is_call_available() 2021-11-18 14:04:20 +01:00
fpga fpga: machxo2-spi: Fix missing error code in machxo2_write_complete() 2021-09-30 10:11:04 +02:00
fsi
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gnss
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gpio gpio: mlxbf2.c: Add check for bgpio_init failure 2021-11-18 14:03:42 +01:00
gpu drm/amdgpu: fix set scaling mode Full/Full aspect/Center not works on vga and dvi connectors 2021-11-26 10:39:21 +01:00
greybus
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hid HID: wacom: Use "Confidence" flag to prevent reporting invalid contacts 2021-12-01 09:19:00 +01:00
hsi
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hv hyperv/vmbus: include linux/bitops.h 2021-11-18 14:03:42 +01:00
hwmon hwmon: (pmbus/lm25066) Let compiler determine outer dimension of lm25066_coeff 2021-11-18 14:04:07 +01:00
hwspinlock
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hwtracing coresight: cti: Correct the parameter for pm_runtime_put 2021-11-18 14:03:51 +01:00
i2c i2c: xlr: Fix a resource leak in the error handling path of 'xlr_i2c_probe()' 2021-11-18 14:04:25 +01:00
i3c
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ide
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idle
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iio iio: imu: st_lsm6dsx: Avoid potential array overflow in st_lsm6dsx_set_odr() 2021-11-26 10:39:11 +01:00
infiniband RDMA/bnxt_re: Check if the vlan is valid before reporting 2021-11-26 10:39:08 +01:00
input Input: i8042 - Add quirk for Fujitsu Lifebook T725 2021-11-18 14:03:36 +01:00
interconnect treewide: Change list_sort to use const pointers 2021-09-30 10:11:04 +02:00
iommu iommu/amd: Relocate GAMSup check to early_enable_iommus 2021-09-26 14:08:59 +02:00
ipack ipack: ipoctal: fix module reference leak 2021-10-06 15:56:01 +02:00
irqchip irqchip/sifive-plic: Fixup EOI failed when masked 2021-11-18 14:04:29 +01:00
isdn mISDN: Fix return values of the probe function 2021-11-18 14:03:41 +01:00
leds leds: trigger: audio: Add an activate callback to ensure the initial brightness is set 2021-09-15 09:50:36 +02:00
lightnvm
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macintosh
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mailbox soc: mediatek: cmdq: add address shift in jump 2021-09-18 13:40:16 +02:00
mcb mcb: fix error handling in mcb_alloc_bus() 2021-09-30 10:11:00 +02:00
md md: update superblock after changing rdev flags in state_store 2021-11-18 14:03:57 +01:00
media media: cec: copy sequence field for the reply 2021-12-01 09:19:00 +01:00
memory memory: fsl_ifc: fix leak of irq and nand_irq in fsl_ifc_ctrl_probe 2021-11-18 14:04:16 +01:00
memstick memstick: jmb38x_ms: use appropriate free function in jmb38x_ms_alloc_host() 2021-11-18 14:04:07 +01:00
message
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mfd mfd: dln2: Add cell for initializing DLN2 ADC 2021-11-18 14:04:30 +01:00
misc misc: fastrpc: Add missing lock before accessing find_vma() 2021-10-20 11:45:01 +02:00
mmc mmc: sdhci: Fix ADMA for PAGE_SIZE >= 64KiB 2021-12-01 09:19:01 +01:00
most most: fix control-message timeouts 2021-11-18 14:03:51 +01:00
mtd mtd: rawnand: au1550nd: Keep the driver compatible with on-die ECC engines 2021-11-18 14:04:31 +01:00
mux
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net mdio: aspeed: Fix "Link is Down" issue 2021-12-01 09:19:01 +01:00
nfc nfc: pn533: Fix double free when pn533_fill_fragment_skbs() fails 2021-11-18 14:04:27 +01:00
ntb NTB: perf: Fix an error code in perf_setup_inbuf() 2021-09-22 12:28:02 +02:00
nubus
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nvdimm libnvdimm/pmem: Fix crash triggered when I/O in-flight during unbind 2021-09-18 13:40:36 +02:00
nvme nvme-rdma: fix error code in nvme_rdma_setup_ctrl 2021-11-18 14:04:09 +01:00
nvmem nvmem: Fix shift-out-of-bound (UBSAN) with byte size cells 2021-10-20 11:45:01 +02:00
of of: unittest: fix EXPECT text for gpio hog errors 2021-11-18 14:04:13 +01:00
opp opp: Fix return in _opp_add_static_v2() 2021-11-18 14:04:22 +01:00
oprofile
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parisc parisc: Move pci_dev_is_behind_card_dino to where it is used 2021-09-26 14:08:59 +02:00
parport parport: remove non-zero check on count 2021-09-18 13:40:34 +02:00
pci PCI: Add MSI masking quirk for Nvidia ION AHCI 2021-11-21 13:46:37 +01:00
pcmcia
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perf
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phy phy: qcom-snps: Correct the FSEL_MASK 2021-11-18 14:04:20 +01:00
pinctrl pinctrl: qcom: sdm845: Enable dual edge errata 2021-11-26 10:39:18 +01:00
platform platform/x86: hp_accel: Fix an error handling path in 'lis3lv02d_probe()' 2021-11-26 10:39:16 +01:00
pnp
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power power: supply: bq27xxx: Fix kernel crash on IRQ handler register error 2021-11-18 14:04:21 +01:00
powercap
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pps
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ps3
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ptp ptp_pch: Load module automatically if ID matches 2021-10-13 10:04:27 +02:00
pwm pwm: stm32-lp: Don't modify HW state in .remove() callback 2021-09-26 14:09:01 +02:00
rapidio
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ras
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regulator regulator: s5m8767: do not use reset value as DVS voltage if GPIO DVS is disabled 2021-11-18 14:03:45 +01:00
remoteproc remoteproc: Fix a memory leak in an error handling path in 'rproc_handle_vdev()' 2021-11-18 14:04:23 +01:00
reset reset: socfpga: add empty driver allowing consumers to probe 2021-11-18 14:03:42 +01:00
rpmsg
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rtc rtc: rv3032: fix error handling in rv3032_clkout_set_rate() 2021-11-18 14:04:23 +01:00
s390 s390/cio: make ccw_device_dma_* more robust 2021-11-18 14:04:30 +01:00
sbus
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scsi scsi: ufs: core: Fix task management completion timeout race 2021-11-26 10:39:21 +01:00
sfi
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sh maple: fix wrong return value of maple_bus_init(). 2021-11-26 10:39:12 +01:00
siox
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slimbus slimbus: ngd: reset dma setup during runtime pm 2021-08-26 08:35:55 -04:00
soc soc/tegra: pmc: Fix imbalanced clock disabling in error code path 2021-11-18 14:04:33 +01:00
soundwire soundwire: debugfs: use controller id and link_id for debugfs 2021-11-18 14:04:16 +01:00
spi spi: spi-rpc-if: Check return value of rpcif_sw_init() 2021-11-18 14:04:11 +01:00
spmi
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ssb
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staging staging: rtl8192e: Fix use after free in _rtl92e_pci_disconnect() 2021-12-01 09:19:00 +01:00
target scsi: target: Fix alua_tg_pt_gps_count tracking 2021-11-26 10:39:11 +01:00
tc
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tee tee: optee: Fix missing devices unregister during optee_remove 2021-10-20 11:45:02 +02:00
thermal thermal: Fix NULL pointer dereferences in of_thermal_ functions 2021-11-21 13:46:37 +01:00
thunderbolt thunderbolt: Fix port linking by checking all adapters 2021-09-18 13:40:27 +02:00
tty tty: tty_buffer: Fix the softlockup issue in flush_to_ldisc 2021-11-26 10:39:10 +01:00
uio
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usb usb: hub: Fix locking issues with address0_mutex 2021-12-01 09:18:59 +01:00
vdpa vdpa/mlx5: Avoid destroying MR on empty iotlb 2021-08-26 08:35:42 -04:00
vfio vfio: Use config not menuconfig for VFIO_NOIOMMU 2021-09-18 13:40:12 +02:00
vhost vhost-vdpa: Fix the wrong input in config_cb 2021-10-20 11:45:04 +02:00
video parisc/sticon: fix reverse colors 2021-11-26 10:39:20 +01:00
virt
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virtio virtio_ring: check desc == NULL when using indirect with packed 2021-11-18 14:04:21 +01:00
visorbus
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vlynq
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vme
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w1
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watchdog ar7: fix kernel builds for compiler test 2021-11-18 14:04:24 +01:00
xen xen: detect uninitialized xenbus in xenbus_init 2021-12-01 09:19:01 +01:00
zorro
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Kconfig
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Makefile
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