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2018-08-02mt76x0: disable HW before probeStanislaw Gruszka
Disable HW before probe, otherwise after reboot we will fail to initialize MCU. Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-08-02mt76: Kconfig and Makefile for mt76x0 driverStanislaw Gruszka
Add Kconfig and Makefiles for mt76x0 driver. Now the driver can be build. Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-08-02mt76: add more statesStanislaw Gruszka
Add states needed for mt76x0 driver. Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-08-02mt76x0: main fileStanislaw Gruszka
Add main file of mt76x0 driver. Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-08-02mt76x0: dma and tx filesStanislaw Gruszka
Add dma and tx files of mt76x0 driver. Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-08-02mt76x0: trace and debugfs filesStanislaw Gruszka
Add trace and debugfs files of mt76x0 driver. Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-08-02mt76x0: eeprom filesStanislaw Gruszka
Add eeprom files of mt76x0 driver. Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-08-02mt76x0: init filesStanislaw Gruszka
Add init files of mt76x0 driver. Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-08-02mt76x0: phy filesStanislaw Gruszka
Add phy files of mt76x0 driver. Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-08-02mt76x0: mcu filesStanislaw Gruszka
Add mcu files of mt76x0 driver. Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-08-02mt76x0: usb filesStanislaw Gruszka
Add usb files of mt76x0 driver. Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-08-02mt76x0: mac filesStanislaw Gruszka
Add mac files of mt76x0 driver. Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-08-02mt76x0: core filesStanislaw Gruszka
Core files of mt76x0 driver. mt76x0 driver adds support for Mediatek MT7610U based USB Wi-Fi dongles. Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-08-02mt76: add driver code for MT76x2u based devicesLorenzo Bianconi
MT76x2u is a 2x2 USB 802.11ac chipset by MediaTek. This driver currently support station mode Tested-by: <cug_yangyuancong@hotmail.com> Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-08-02mt76: add usb support to mt76 layerLorenzo Bianconi
This will be used by drivers for MT76x2u based devices Tested-by: <cug_yangyuancong@hotmail.com> Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-08-02mt76: move mt76x2_debugfs in mt76-common moduleLorenzo Bianconi
Move mt76x2_debugfs code in mt76-common module since it is shared between mt76x2 and mt76x2u Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-08-02mt76: add mt76x2_phy_common to mt76x2-common moduleLorenzo Bianconi
Move phy related code shared between mt76x2 and mt76x2u in mt76x2-common module Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-08-02mt76: add mt76x2_common to mt76x2-common moduleLorenzo Bianconi
Move core related code shared between mt76x2 and mt76x2u in mt76x2-common module Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-08-02mt76: add mt76x2_init_common to mt76x2-common moduleLorenzo Bianconi
Move init related code shared between mt76x2 and mt76x2u in mt76x2-common module Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-08-02mt76: add mt76x2_mac_common to mt76x2-common moduleLorenzo Bianconi
Move mac related code shared between mt76x2 and mt76x2u in mt76x2-common module Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-08-02mt76: add mt76x2_tx_common to mt76x2-common moduleLorenzo Bianconi
Move tx related code shared between mt76x2 and mt76x2u in mt76x2-common module Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-08-02mt76: introduce mt76x2-common moduleLorenzo Bianconi
In order to remove usb dependency from pcie code, add mt76x2-common as a container of shared code between mt76x2 and mt76x2u. Add eeprom code to mt76x2-common module Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-08-02mt76: introduce tx_queue_skb function pointer in mt76_bus_opsLorenzo Bianconi
Add tx_queue_skb function pointer in mt76_bus_ops since mt76x2u based devices do not map mt76x2_txwi on dma buffers and it is not possible to reuse mt76_dma_tx_queue_skb() routine to enqueue tx frames to hw buffers Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-08-02mt76: rename mt76_tx_queue_skb in mt76_dma_tx_queue_skbLorenzo Bianconi
Move mt76_dma_tx_queue_skb routine in dma.c. Remove static qualifier from mt76_get_txwi definition Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-08-02mt76x2: add buffer len to mt76x2_mac_write_txwi signatureLorenzo Bianconi
Add frame length to mt76x2_mac_write_txwi routine signature and do not fetch it from skb since txwi data structure is added at the beginning of the skb for usb based devices and mt76x2_mac_write_txwi will be shared between pci and usb related code Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-08-02mt76x2: add napi struct to mt76_rx_poll_complete/mt76_rx_complete signaturesLorenzo Bianconi
in order to reuse mt76_rx_complete routine supporting mt76x2u based devices add napi struct to mt76_rx_poll_complete and mt76_rx_complete routine signatures and do not fetch it according to the rx queue index Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-08-02mt76x2: introduce mt76x2_mac_load_tx_status routineLorenzo Bianconi
Add mt76x2_mac_load_tx_status routine since tx stats register map is shared between usb and pci based devices but usb devices do not have a tx stat irq line as pcie ones and it is necessary to load tx statistics using a workqueue Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-08-02mt76x2: move interface_modes definition in mt76x2_initLorenzo Bianconi
Move wiphy interface_modes definition in mt76x2_init in order to reuse mt76_register_device routine supporting mt76x2u based chipsets since mt76x2u currently supports just sta mode Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-08-02mt76x2: introduce mt76x2_init_device routineLorenzo Bianconi
Add mt76x2_init_device routine in order to reuse common pcie/usb mac80211 initialization code supporting mt76x2u based device Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-08-02mt76x2: move utility routines in mt76x2.hLorenzo Bianconi
In order to reuse them supporting mt76x2u based devices, move mt76x2_wait_for_mac, wait_for_wpdma and mt76x2_channel_silent in mt76x2.h Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-08-02mt76x2: move mt76x2_fw_header and mt76x2_patch_header definitions in mcu.hLorenzo Bianconi
move mt76x2_fw_header and mt76x2_patch_header definitions in mcu.h in order to reuse them in mt76x2u mcu related code Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-08-02mt76: move MT_TXD_INFO, MT_MCU_MSG and MT_RX_FCE_INFO defs in dma.hLorenzo Bianconi
Since MT_TXD_INFO, MT_MCU_MSG and MT_RX_FCE_INFO definitions are in common between mt76x2u, mt76x2 and mt76x0u move them in dma.h in order to reuse usb code supporting mt76x2u and mt76x0u based devices Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-08-02Merge branch 'rppt' into docs-nextJonathan Corbet
This contains a set of early-boot memory-management docs from Mike Rapoport. It's been circulating on linux-mm for a long time; I finally picked it up even though it changes a lot of .c files under mm/ (comments only).
2018-08-02docs/mm: add description of boot time memory managementMike Rapoport
Both bootmem and memblock are have pretty good internal documentation coverage. With addition of some overview we get a nice description of the early memory management. Signed-off-by: Mike Rapoport <rppt@linux.vnet.ibm.com> Acked-by: Michal Hocko <mhocko@suse.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2018-08-02Merge tag 'iwlwifi-next-for-kalle-2018-08-02' of ↵Kalle Valo
git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next More iwlwifi patches for 4.19 * New PCI IDs for 22000 and 22560; * Some fixes and an improvement in debug dumps and recording; * Remove some old dead code; * Fix compilation when only IPv6 is not enabled; * Continued work on 22560 devices;
2018-08-02md/raid5: fix data corruption of replacements after originals droppedBingJing Chang
During raid5 replacement, the stripes can be marked with R5_NeedReplace flag. Data can be read from being-replaced devices and written to replacing spares without reading all other devices. (It's 'replace' mode. s.replacing = 1) If a being-replaced device is dropped, the replacement progress will be interrupted and resumed with pure recovery mode. However, existing stripes before being interrupted cannot read from the dropped device anymore. It prints lots of WARN_ON messages. And it results in data corruption because existing stripes write problematic data into its replacement device and update the progress. \# Erase disks (1MB + 2GB) dd if=/dev/zero of=/dev/sda bs=1MB count=2049 dd if=/dev/zero of=/dev/sdb bs=1MB count=2049 dd if=/dev/zero of=/dev/sdc bs=1MB count=2049 dd if=/dev/zero of=/dev/sdd bs=1MB count=2049 mdadm -C /dev/md0 -amd -R -l5 -n3 -x0 /dev/sd[abc] -z 2097152 \# Ensure array stores non-zero data dd if=/root/data_4GB.iso of=/dev/md0 bs=1MB \# Start replacement mdadm /dev/md0 -a /dev/sdd mdadm /dev/md0 --replace /dev/sda Then, Hot-plug out /dev/sda during recovery, and wait for recovery done. echo check > /sys/block/md0/md/sync_action cat /sys/block/md0/md/mismatch_cnt # it will be greater than 0. Soon after you hot-plug out /dev/sda, you will see many WARN_ON messages. The replacement recovery will be interrupted shortly. After the recovery finishes, it will result in data corruption. Actually, it's just an unhandled case of replacement. In commit <f94c0b6658c7> (md/raid5: fix interaction of 'replace' and 'recovery'.), if a NeedReplace device is not UPTODATE then that is an error, the commit just simply print WARN_ON but also mark these corrupted stripes with R5_WantReplace. (it means it's ready for writes.) To fix this case, we can leverage 'sync and replace' mode mentioned in commit <9a3e1101b827> (md/raid5: detect and handle replacements during recovery.). We can add logics to detect and use 'sync and replace' mode for these stripes. Reported-by: Alex Chen <alexchen@synology.com> Reviewed-by: Alex Wu <alexwu@synology.com> Reviewed-by: Chung-Chiang Cheng <cccheng@synology.com> Signed-off-by: BingJing Chang <bingjingc@synology.com> Signed-off-by: Shaohua Li <shli@fb.com>
2018-08-02media: dvb_ca_en50221: off by one in dvb_ca_en50221_io_do_ioctl()Dan Carpenter
The > should be >= so we don't read one element beyond the end of the ca->slot_info[] array. The array is allocated in dvb_ca_en50221_init(). Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Acked-by: Jasmin Jessich <jasmin@anw.at> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-08-02docs/mm: memblock: add overview documentationMike Rapoport
Signed-off-by: Mike Rapoport <rppt@linux.vnet.ibm.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2018-08-02docs/mm: memblock: add kernel-doc description for memblock typesMike Rapoport
Signed-off-by: Mike Rapoport <rppt@linux.vnet.ibm.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2018-08-02docs/mm: memblock: add kernel-doc comments for memblock_add[_node]Mike Rapoport
Signed-off-by: Mike Rapoport <rppt@linux.vnet.ibm.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2018-08-02docs/mm: memblock: update kernel-doc commentsMike Rapoport
* make memblock_discard description kernel-doc compatible * add brief description for memblock_setclr_flag and describe its parameters * fixup return value descriptions Signed-off-by: Mike Rapoport <rppt@linux.vnet.ibm.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2018-08-02mm/memblock: add a name for memblock flags enumerationMike Rapoport
Since kernel-doc does not like anonymous enums the name is required for adding documentation. While on it, I've also updated all the function declarations to use 'enum memblock_flags' instead of unsigned long. Signed-off-by: Mike Rapoport <rppt@linux.vnet.ibm.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2018-08-02docs/mm: bootmem: add overview documentationMike Rapoport
Signed-off-by: Mike Rapoport <rppt@linux.vnet.ibm.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2018-08-02docs/mm: bootmem: add kernel-doc description of 'struct bootmem_data'Mike Rapoport
Signed-off-by: Mike Rapoport <rppt@linux.vnet.ibm.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2018-08-02docs/mm: bootmem: fix kernel-doc warningsMike Rapoport
Add descriptions of the return value where they were missing and fixup the syntax for present ones. Signed-off-by: Mike Rapoport <rppt@linux.vnet.ibm.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2018-08-02docs/mm: nobootmem: fixup kernel-doc commentsMike Rapoport
* add kernel-doc marking to free_bootmem_late() description * add return value descriptions * mention that address parameter of free_bootmem{_node} is a physical address Signed-off-by: Mike Rapoport <rppt@linux.vnet.ibm.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2018-08-02mm/bootmem: drop duplicated kernel-doc commentsMike Rapoport
Parts of the bootmem interfaces are duplicated in nobootmem.c along with the kernel-doc comments. There is no point to keep two copies of the comments, so let's drop the bootmem.c copy. Signed-off-by: Mike Rapoport <rppt@linux.vnet.ibm.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2018-08-02media: usbtv: use irqsave() in USB's complete callbackSebastian Andrzej Siewior
The USB completion callback does not disable interrupts while acquiring the lock. We want to remove the local_irq_disable() invocation from __usb_hcd_giveback_urb() and therefore it is required for the callback handler to disable the interrupts while acquiring the lock. The callback may be invoked either in IRQ or BH context depending on the USB host controller. Use the _irqsave() variant of the locking primitives. Cc: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-08-02Merge tag 'pci-v4.18-fixes-5' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci Pull PCI fixes from Bjorn Helgaas: - Fix integer overflow in new mobiveil driver (Dan Carpenter) - Fix race during NVMe removal/rescan (Hari Vyas) * tag 'pci-v4.18-fixes-5' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: PCI: Fix is_added/is_busmaster race condition PCI: mobiveil: Avoid integer overflow in IB_WIN_SIZE
2018-08-02Merge ra.kernel.org:/pub/scm/linux/kernel/git/davem/netDavid S. Miller
The BTF conflicts were simple overlapping changes. The virtio_net conflict was an overlap of a fix of statistics counter, happening alongisde a move over to a bonafide statistics structure rather than counting value on the stack. Signed-off-by: David S. Miller <davem@davemloft.net>
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