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* Merge tag 'v4.20-rc6' into for-4.21/blockJens Axboe2018-12-101-0/+1
|\ | | | | | | | | | | | | | | | | Pull in v4.20-rc6 to resolve the conflict in NVMe, but also to get the two corruption fixes. We're going to be overhauling the direct dispatch path, and we need to do that on top of the changes we made for that in mainline. Signed-off-by: Jens Axboe <axboe@kernel.dk>
| * libata: whitelist all SAMSUNG MZ7KM* solid-state disksJuha-Matti Tilli2018-12-031-0/+1
| | | | | | | | | | | | | | | | | | | | These devices support read zero after trim (RZAT), as they advertise to the OS. However, the OS doesn't believe the SSDs unless they are explicitly whitelisted. Acked-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Juha-Matti Tilli <juha-matti.tilli@iki.fi> Signed-off-by: Jens Axboe <axboe@kernel.dk>
* | Merge tag 'v4.20-rc3' into for-4.21/blockJens Axboe2018-11-182-6/+2
|\| | | | | | | | | | | | | | | | | Merge in -rc3 to resolve a few conflicts, but also to get a few important fixes that have gone into mainline since the block 4.21 branch was forked off (most notably the SCSI queue issue, which is both a conflict AND needed fix). Signed-off-by: Jens Axboe <axboe@kernel.dk>
| * libata: blacklist SAMSUNG MZ7TD256HAFV-000L9 SSDDiego Viola2018-11-121-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | med_power_with_dipm still causes freezes after updating the firmware to the latest version (DXT04L5Q). Set model_rev to NULL and blacklist the device. Cc: stable@vger.kernel.org Signed-off-by: Diego Viola <diego.viola@gmail.com> Reviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
| * sata_rcar: convert to SPDX identifiersKuninori Morimoto2018-11-081-5/+1
| | | | | | | | | | | | | | | | This patch updates license to use SPDX-License-Identifier instead of verbose license text. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
* | block: don't hold the queue_lock over blk_abort_requestChristoph Hellwig2018-11-151-4/+0
|/ | | | | | | | | There is nothing it could synchronize against, so don't go through the pains of acquiring the lock. Reviewed-by: Hannes Reinecke <hare@suse.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@kernel.dk>
* libata: Apply NOLPM quirk for SAMSUNG MZ7TD256HAFV-000L9Diego Viola2018-10-261-0/+1
| | | | | | | | | | | med_power_with_dipm causes my T450 to freeze with a SAMSUNG MZ7TD256HAFV-000L9 SSD (firmware DXT02L5Q). Switching the LPM to max_performance fixes this issue. Acked-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Diego Viola <diego.viola@gmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
* Merge tag 'pci-v4.20-changes' of ↵Linus Torvalds2018-10-251-1/+1
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci Pull PCI updates from Bjorn Helgaas: - Fix ASPM link_state teardown on removal (Lukas Wunner) - Fix misleading _OSC ASPM message (Sinan Kaya) - Make _OSC optional for PCI (Sinan Kaya) - Don't initialize ASPM link state when ACPI_FADT_NO_ASPM is set (Patrick Talbert) - Remove x86 and arm64 node-local allocation for host bridge structures (Punit Agrawal) - Pay attention to device-specific _PXM node values (Jonathan Cameron) - Support new Immediate Readiness bit (Felipe Balbi) - Differentiate between pciehp surprise and safe removal (Lukas Wunner) - Remove unnecessary pciehp includes (Lukas Wunner) - Drop pciehp hotplug_slot_ops wrappers (Lukas Wunner) - Tolerate PCIe Slot Presence Detect being hardwired to zero to workaround broken hardware, e.g., the Wilocity switch/wireless device (Lukas Wunner) - Unify pciehp controller & slot structs (Lukas Wunner) - Constify hotplug_slot_ops (Lukas Wunner) - Drop hotplug_slot_info (Lukas Wunner) - Embed hotplug_slot struct into users instead of allocating it separately (Lukas Wunner) - Initialize PCIe port service drivers directly instead of relying on initcall ordering (Keith Busch) - Restore PCI config state after a slot reset (Keith Busch) - Save/restore DPC config state along with other PCI config state (Keith Busch) - Reference count devices during AER handling to avoid race issue with concurrent hot removal (Keith Busch) - If an Upstream Port reports ERR_FATAL, don't try to read the Port's config space because it is probably unreachable (Keith Busch) - During error handling, use slot-specific reset instead of secondary bus reset to avoid link up/down issues on hotplug ports (Keith Busch) - Restore previous AER/DPC handling that does not remove and re-enumerate devices on ERR_FATAL (Keith Busch) - Notify all drivers that may be affected by error recovery resets (Keith Busch) - Always generate error recovery uevents, even if a driver doesn't have error callbacks (Keith Busch) - Make PCIe link active reporting detection generic (Keith Busch) - Support D3cold in PCIe hierarchies during system sleep and runtime, including hotplug and Thunderbolt ports (Mika Westerberg) - Handle hpmemsize/hpiosize kernel parameters uniformly, whether slots are empty or occupied (Jon Derrick) - Remove duplicated include from pci/pcie/err.c and unused variable from cpqphp (YueHaibing) - Remove driver pci_cleanup_aer_uncorrect_error_status() calls (Oza Pawandeep) - Uninline PCI bus accessors for better ftracing (Keith Busch) - Remove unused AER Root Port .error_resume method (Keith Busch) - Use kfifo in AER instead of a local version (Keith Busch) - Use threaded IRQ in AER bottom half (Keith Busch) - Use managed resources in AER core (Keith Busch) - Reuse pcie_port_find_device() for AER injection (Keith Busch) - Abstract AER interrupt handling to disconnect error injection (Keith Busch) - Refactor AER injection callbacks to simplify future improvments (Keith Busch) - Remove unused Netronome NFP32xx Device IDs (Jakub Kicinski) - Use bitmap_zalloc() for dma_alias_mask (Andy Shevchenko) - Add switch fall-through annotations (Gustavo A. R. Silva) - Remove unused Switchtec quirk variable (Joshua Abraham) - Fix pci.c kernel-doc warning (Randy Dunlap) - Remove trivial PCI wrappers for DMA APIs (Christoph Hellwig) - Add Intel GPU device IDs to spurious interrupt quirk (Bin Meng) - Run Switchtec DMA aliasing quirk only on NTB endpoints to avoid useless dmesg errors (Logan Gunthorpe) - Update Switchtec NTB documentation (Wesley Yung) - Remove redundant "default n" from Kconfig (Bartlomiej Zolnierkiewicz) - Avoid panic when drivers enable MSI/MSI-X twice (Tonghao Zhang) - Add PCI support for peer-to-peer DMA (Logan Gunthorpe) - Add sysfs group for PCI peer-to-peer memory statistics (Logan Gunthorpe) - Add PCI peer-to-peer DMA scatterlist mapping interface (Logan Gunthorpe) - Add PCI configfs/sysfs helpers for use by peer-to-peer users (Logan Gunthorpe) - Add PCI peer-to-peer DMA driver writer's documentation (Logan Gunthorpe) - Add block layer flag to indicate driver support for PCI peer-to-peer DMA (Logan Gunthorpe) - Map Infiniband scatterlists for peer-to-peer DMA if they contain P2P memory (Logan Gunthorpe) - Register nvme-pci CMB buffer as PCI peer-to-peer memory (Logan Gunthorpe) - Add nvme-pci support for PCI peer-to-peer memory in requests (Logan Gunthorpe) - Use PCI peer-to-peer memory in nvme (Stephen Bates, Steve Wise, Christoph Hellwig, Logan Gunthorpe) - Cache VF config space size to optimize enumeration of many VFs (KarimAllah Ahmed) - Remove unnecessary <linux/pci-ats.h> include (Bjorn Helgaas) - Fix VMD AERSID quirk Device ID matching (Jon Derrick) - Fix Cadence PHY handling during probe (Alan Douglas) - Signal Cadence Endpoint interrupts via AXI region 0 instead of last region (Alan Douglas) - Write Cadence Endpoint MSI interrupts with 32 bits of data (Alan Douglas) - Remove redundant controller tests for "device_type == pci" (Rob Herring) - Document R-Car E3 (R8A77990) bindings (Tho Vu) - Add device tree support for R-Car r8a7744 (Biju Das) - Drop unused mvebu PCIe capability code (Thomas Petazzoni) - Add shared PCI bridge emulation code (Thomas Petazzoni) - Convert mvebu to use shared PCI bridge emulation (Thomas Petazzoni) - Add aardvark Root Port emulation (Thomas Petazzoni) - Support 100MHz/200MHz refclocks for i.MX6 (Lucas Stach) - Add initial power management for i.MX7 (Leonard Crestez) - Add PME_Turn_Off support for i.MX7 (Leonard Crestez) - Fix qcom runtime power management error handling (Bjorn Andersson) - Update TI dra7xx unaligned access errata workaround for host mode as well as endpoint mode (Vignesh R) - Fix kirin section mismatch warning (Nathan Chancellor) - Remove iproc PAXC slot check to allow VF support (Jitendra Bhivare) - Quirk Keystone K2G to limit MRRS to 256 (Kishon Vijay Abraham I) - Update Keystone to use MRRS quirk for host bridge instead of open coding (Kishon Vijay Abraham I) - Refactor Keystone link establishment (Kishon Vijay Abraham I) - Simplify and speed up Keystone link training (Kishon Vijay Abraham I) - Remove unused Keystone host_init argument (Kishon Vijay Abraham I) - Merge Keystone driver files into one (Kishon Vijay Abraham I) - Remove redundant Keystone platform_set_drvdata() (Kishon Vijay Abraham I) - Rename Keystone functions for uniformity (Kishon Vijay Abraham I) - Add Keystone device control module DT binding (Kishon Vijay Abraham I) - Use SYSCON API to get Keystone control module device IDs (Kishon Vijay Abraham I) - Clean up Keystone PHY handling (Kishon Vijay Abraham I) - Use runtime PM APIs to enable Keystone clock (Kishon Vijay Abraham I) - Clean up Keystone config space access checks (Kishon Vijay Abraham I) - Get Keystone outbound window count from DT (Kishon Vijay Abraham I) - Clean up Keystone outbound window configuration (Kishon Vijay Abraham I) - Clean up Keystone DBI setup (Kishon Vijay Abraham I) - Clean up Keystone ks_pcie_link_up() (Kishon Vijay Abraham I) - Fix Keystone IRQ status checking (Kishon Vijay Abraham I) - Add debug messages for all Keystone errors (Kishon Vijay Abraham I) - Clean up Keystone includes and macros (Kishon Vijay Abraham I) - Fix Mediatek unchecked return value from devm_pci_remap_iospace() (Gustavo A. R. Silva) - Fix Mediatek endpoint/port matching logic (Honghui Zhang) - Change Mediatek Root Port Class Code to PCI_CLASS_BRIDGE_PCI (Honghui Zhang) - Remove redundant Mediatek PM domain check (Honghui Zhang) - Convert Mediatek to pci_host_probe() (Honghui Zhang) - Fix Mediatek MSI enablement (Honghui Zhang) - Add Mediatek system PM support for MT2712 and MT7622 (Honghui Zhang) - Add Mediatek loadable module support (Honghui Zhang) - Detach VMD resources after stopping root bus to prevent orphan resources (Jon Derrick) - Convert pcitest build process to that used by other tools (iio, perf, etc) (Gustavo Pimentel) * tag 'pci-v4.20-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (140 commits) PCI/AER: Refactor error injection fallbacks PCI/AER: Abstract AER interrupt handling PCI/AER: Reuse existing pcie_port_find_device() interface PCI/AER: Use managed resource allocations PCI: pcie: Remove redundant 'default n' from Kconfig PCI: aardvark: Implement emulated root PCI bridge config space PCI: mvebu: Convert to PCI emulated bridge config space PCI: mvebu: Drop unused PCI express capability code PCI: Introduce PCI bridge emulated config space common logic PCI: vmd: Detach resources after stopping root bus nvmet: Optionally use PCI P2P memory nvmet: Introduce helper functions to allocate and free request SGLs nvme-pci: Add support for P2P memory in requests nvme-pci: Use PCI p2pmem subsystem to manage the CMB IB/core: Ensure we map P2P memory correctly in rdma_rw_ctx_[init|destroy]() block: Add PCI P2P flag for request queue PCI/P2PDMA: Add P2P DMA driver writer's documentation docs-rst: Add a new directory for PCI documentation PCI/P2PDMA: Introduce configfs/sysfs enable attribute helpers PCI/P2PDMA: Add PCI p2pmem DMA mappings to adjust the bus offset ...
| * PCI: Remove pci_set_dma_max_seg_size()Christoph Hellwig2018-10-101-1/+1
| | | | | | | | | | | | The few callers can just use dma_set_max_seg_size ()directly. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
* | Merge tag 'for-4.20/libata-20181021' of git://git.kernel.dk/linux-blockLinus Torvalds2018-10-229-18/+83
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull libata updates from Jens Axboe: "Here are the libata changes queued up for 4.20: - %pOFn device_node.name conversion (Rob Herring) - Use LBAM/LBAH password defines instead of hardcoding (Linus Walleij) - Series adding support for the allwinner R40 AHCI controller (Corentin Labbe) - Disable ALPM for Ampere Computing device (Suman Tripathi) - ahci bcrm fixes (Florian Fainelli) - Redundant Kconfig defaults (Bartlomiej Zolnierkiewicz) - Code cleanups (Nathan Chancellor)" * tag 'for-4.20/libata-20181021' of git://git.kernel.dk/linux-block: ata: remove redundant 'default n' from Kconfig ata: ep93xx: Use proper enums for directions ata: ahci_brcm: Allow using driver or DSL SoCs ata: ahci_brcm: Match BCM63138 compatible strings ata: ahci_brcm: Allow optional reset controller to be used dt-bindings: ata: Document BCM63138 compatible string pata_atiixp: Remove unnecessary parentheses ata: Disable AHCI ALPM feature for Ampere Computing eMAG SATA dt-bindings: ata: update ahci_sunxi bindings ata: ahci_sunxi: add support for r40 dt-bindings: ata: ahci-platform: document phy-supply ata: ahci_platform: add support for PHY controller regulator dt-bindings: ata: ahci-platform: document ahci-supply ata: ahci_platform: add support for AHCI controller regulator dt-bindings: ata: ahci-platform: fix indentation of target-supply libata: Use SMART LBAM/LBAH password defines ata: ahci: Convert to using %pOFn instead of device_node.name
| * | ata: remove redundant 'default n' from KconfigBartlomiej Zolnierkiewicz2018-10-101-2/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 'default n' is the default value for any bool or tristate Kconfig setting so there is no need to write it explicitly. Also since commit f467c5640c29 ("kconfig: only write '# CONFIG_FOO is not set' for visible symbols") the Kconfig behavior is the same regardless of 'default n' being present or not: ... One side effect of (and the main motivation for) this change is making the following two definitions behave exactly the same: config FOO bool config FOO bool default n With this change, neither of these will generate a '# CONFIG_FOO is not set' line (assuming FOO isn't selected/implied). That might make it clearer to people that a bare 'default n' is redundant. ... Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
| * | ata: ep93xx: Use proper enums for directionsNathan Chancellor2018-10-041-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Clang warns when one enumerated type is implicitly converted to another. drivers/ata/pata_ep93xx.c:662:36: warning: implicit conversion from enumeration type 'enum dma_data_direction' to different enumeration type 'enum dma_transfer_direction' [-Wenum-conversion] drv_data->dma_rx_data.direction = DMA_FROM_DEVICE; ~ ^~~~~~~~~~~~~~~ drivers/ata/pata_ep93xx.c:670:36: warning: implicit conversion from enumeration type 'enum dma_data_direction' to different enumeration type 'enum dma_transfer_direction' [-Wenum-conversion] drv_data->dma_tx_data.direction = DMA_TO_DEVICE; ~ ^~~~~~~~~~~~~ drivers/ata/pata_ep93xx.c:681:19: warning: implicit conversion from enumeration type 'enum dma_data_direction' to different enumeration type 'enum dma_transfer_direction' [-Wenum-conversion] conf.direction = DMA_FROM_DEVICE; ~ ^~~~~~~~~~~~~~~ drivers/ata/pata_ep93xx.c:692:19: warning: implicit conversion from enumeration type 'enum dma_data_direction' to different enumeration type 'enum dma_transfer_direction' [-Wenum-conversion] conf.direction = DMA_TO_DEVICE; ~ ^~~~~~~~~~~~~ Use the equivalent valued enums from the expected type so that Clang no longer warns about a conversion. DMA_TO_DEVICE = DMA_MEM_TO_DEV = 1 DMA_FROM_DEVICE = DMA_DEV_TO_MEM = 2 Acked-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> Signed-off-by: Nathan Chancellor <natechancellor@gmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
| * | ata: ahci_brcm: Allow using driver or DSL SoCsFlorian Fainelli2018-10-021-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | The Broadcom STB AHCI controller is the same as the one found on DSL SoCs, so we will utilize the same driver on these systems as well. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
| * | ata: ahci_brcm: Match BCM63138 compatible stringsFlorian Fainelli2018-10-021-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | Match the "brcm,bcm63138-ahci" compatible string in order to allow this driver to probe on such platforms. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
| * | ata: ahci_brcm: Allow optional reset controller to be usedFlorian Fainelli2018-10-021-0/+7
| | | | | | | | | | | | | | | | | | | | | | | | On BCM63138, we need to reset the AHCI core prior to start utilizing it, grab the reset controller device cookie and do that. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
| * | pata_atiixp: Remove unnecessary parenthesesNathan Chancellor2018-09-121-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Clang warns when more than one set of parentheses is used for a single conditional statement: drivers/ata/pata_atiixp.c:282:19: warning: equality comparison with extraneous parentheses [-Wparentheses-equality] if((pdev->device == PCI_DEVICE_ID_ATI_IXP600_IDE)) ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/ata/pata_atiixp.c:282:19: note: remove extraneous parentheses around the comparison to silence this warning if((pdev->device == PCI_DEVICE_ID_ATI_IXP600_IDE)) ~ ^ ~ drivers/ata/pata_atiixp.c:282:19: note: use '=' to turn this equality comparison into an assignment if((pdev->device == PCI_DEVICE_ID_ATI_IXP600_IDE)) ^~ = 1 warning generated. Reported-by: Nick Desaulniers <ndesaulniers@google.com> Reviewed-by: Nick Desaulniers <ndesaulniers@google.com> Signed-off-by: Nathan Chancellor <natechancellor@gmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
| * | ata: Disable AHCI ALPM feature for Ampere Computing eMAG SATASuman Tripathi2018-09-071-1/+14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Due to hardware errata, Ampere Computing eMAG SATA can't support AHCI ALPM feature. This patch disables the AHCI ALPM feature for eMAG SATA. Signed-off-by: Suman Trpathi <stripathi@amperecomputing.com> Signed-off-by: Rameshwar Prasad Sahu <rameshwar.sahu@amperecomputing.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
| * | ata: ahci_sunxi: add support for r40Corentin Labbe2018-09-031-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch add the r40 compatible to the ahci_sunxi's supported list of compatible. Since R40 need ahci_platform to handle the reset controller, we also add the new AHCI_PLATFORM_GET_RESETS flag for ahci_platform_get_resources(). This has no consequence for older platform (a10, a20) since the reset is optional. Acked-by: Maxime Ripard <maxime.ripard@bootlin.com> Reviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
| * | ata: ahci_platform: add support for PHY controller regulatorCorentin Labbe2018-09-032-0/+21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The SoC R40 AHCI controller need a PHY regulator to work. But since the PHY is embedded in the controller, we cannot do a DT node for it, since phy-supply works only in node with a PHY compatible. So this patch adds a way to add an optional phy-supply regulator on AHCI controller node. Acked-by: Maxime Ripard <maxime.ripard@bootlin.com> Reviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
| * | ata: ahci_platform: add support for AHCI controller regulatorCorentin Labbe2018-09-032-2/+25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The SoC R40 AHCI controller need a regulator to work. So this patch add a way to add an optional regulator on AHCI controller. Acked-by: Maxime Ripard <maxime.ripard@bootlin.com> Reviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
| * | libata: Use SMART LBAM/LBAH password definesLinus Walleij2018-08-301-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | Instead of hardcoding magic values for the SMART password, use the defines in <linux/ata.h> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Jens Axboe <axboe@kernel.dk>
| * | ata: ahci: Convert to using %pOFn instead of device_node.nameRob Herring2018-08-281-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In preparation to remove the node name pointer from struct device_node, convert printf users to use the %pOFn format specifier. Cc: Hans de Goede <hdegoede@redhat.com> Cc: Jens Axboe <axboe@kernel.dk> Cc: linux-ide@vger.kernel.org Signed-off-by: Rob Herring <robh@kernel.org> Signed-off-by: Jens Axboe <axboe@kernel.dk>
* | | Merge tag 'for-linus-20180920' of git://git.kernel.dk/linux-blockGreg Kroah-Hartman2018-09-211-2/+12
|\ \ \ | |_|/ |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Jens writes: "Storage fixes for 4.19-rc5 - Fix for leaking kernel pointer in floppy ioctl (Andy Whitcroft) - NVMe pull request from Christoph, and a single ANA log page fix (Hannes) - Regression fix for libata qd32 support, where we trigger an illegal active command transition. This fixes a CD-ROM detection issue that was reported, but could also trigger premature completion of the internal tag (me)" * tag 'for-linus-20180920' of git://git.kernel.dk/linux-block: floppy: Do not copy a kernel pointer to user memory in FDGETPRM ioctl libata: mask swap internal and hardware tag nvme: count all ANA groups for ANA Log page
| * | libata: mask swap internal and hardware tagJens Axboe2018-09-201-2/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | hen we're comparing the hardware completion mask passed in from the driver with the internal tag pending mask, we need to account for the fact that the internal tag is different from the hardware tag. If not, then we can end up either prematurely completing the internal tag (since it's not set in the hw mask), or simply flag an error: ata2: illegal qc_active transition (100000000->00000001) If the internal tag is set, then swap that with the hardware tag in this case before comparing with what the hardware reports. Fixes: 28361c403683 ("libata: add extra internal command") Buglink: https://bugzilla.kernel.org/show_bug.cgi?id=201151 Cc: stable@vger.kernel.org Reported-by: Paul Sbarra <sbarra.paul@gmail.com> Tested-by: Paul Sbarra <sbarra.paul@gmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
* | | Merge tag 'scsi-fixes' of ↵Linus Torvalds2018-09-051-1/+1
|\ \ \ | |/ / |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi Pull SCSI fixes from James Bottomley: "A set of very minor fixes and a couple of reverts to fix a major problem (the attempt to change the busy count causes a hang when attempting to change the drive cache type)" * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: scsi: aacraid: fix a signedness bug Revert "scsi: core: avoid host-wide host_busy counter for scsi_mq" Revert "scsi: core: fix scsi_host_queue_ready" scsi: libata: Add missing newline at end of file scsi: target: iscsi: cxgbit: use pr_debug() instead of pr_info() scsi: hpsa: limit transfer length to 1MB, not 512kB scsi: lpfc: Correct MDS diag and nvmet configuration scsi: lpfc: Default fdmi_on to on scsi: csiostor: fix incorrect port capabilities scsi: csiostor: add a check for NULL pointer after kmalloc() scsi: documentation: add scsi_mod.use_blk_mq to scsi-parameters scsi: core: Update SCSI_MQ_DEFAULT help text to match default
| * | scsi: libata: Add missing newline at end of fileGeert Uytterhoeven2018-08-271-1/+1
| |/ | | | | | | | | | | | | | | | | | | With gcc 4.1.2: drivers/ata/libata-core.c:7396:33: warning: no newline at end of file Fixes: 2fa4a32613c9182b ("scsi: libsas: dynamically allocate and free ata host") Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
* / ata: ftide010: Add a quirk for SQ201Linus Walleij2018-08-271-10/+17
|/ | | | | | | | | | | | | | The DMA is broken on this specific device for some unknown reason (probably badly designed or plain broken interface electronics) and will only work with PIO. Other users of the same hardware does not have this problem. Add a specific quirk so that this Gemini device gets DMA turned off. Also fix up some code around passing the port information around in probe while we're at it. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Jens Axboe <axboe@kernel.dk>
* Merge branch 'for-4.19' of ↵Linus Torvalds2018-08-2430-120/+158
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata Pull libata updates from Tejun Heo: "Nothing too interesting. Mostly ahci and ahci_platform changes, many around power management" * 'for-4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata: (22 commits) ata: ahci_platform: enable to get and control reset ata: libahci_platform: add reset control support ata: add an extra argument to ahci_platform_get_resources() ata: sata_rcar: Add r8a77965 support ata: sata_rcar: exclude setting of PHY registers in Gen3 ata: sata_rcar: really mask all interrupts on Gen2 and later Revert "ata: ahci_platform: allow disabling of hotplug to save power" ata: libahci: Allow reconfigure of DEVSLP register ata: libahci: Correct setting of DEVSLP register ata: ahci: Enable DEVSLP by default on x86 with SLP_S0 ata: ahci: Support state with min power but Partial low power state Revert "ata: ahci_platform: convert kcalloc to devm_kcalloc" ata: sata_rcar: Add rudimentary Runtime PM support ata: sata_rcar: Provide a short-hand for &pdev->dev ata: Only output sg element mapped number in verbose debug ata: Guard ata_scsi_dump_cdb() by ATA_VERBOSE_DEBUG ata: ahci_platform: convert kcalloc to devm_kcalloc ata: ahci_platform: convert kzallloc to kcalloc ata: ahci_platform: correct parameter documentation for ahci_platform_shutdown libata: remove ata_sff_data_xfer_noirq() ...
| * ata: ahci_platform: enable to get and control resetKunihiko Hayashi2018-08-221-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Unlike SoC-specific driver, generic ahci_platform driver doesn't have any chances to control resets. This adds AHCI_PLATFORM_GET_RESETS to ahci_platform_get_resources() on the generic driver to enable reset control support. Suggested-by: Hans de Goede <hdegoede@redhat.com> Cc: Thierry Reding <thierry.reding@gmail.com> Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com> Reviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Tejun Heo <tj@kernel.org>
| * ata: libahci_platform: add reset control supportKunihiko Hayashi2018-08-222-5/+27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add support to get and control a list of resets for the device as optional and shared. These resets must be kept de-asserted until the device is enabled. This is specified as shared because some SoCs like UniPhier series have common reset controls with all ahci controller instances. However, according to Thierry's view, https://www.spinics.net/lists/linux-ide/msg55357.html some hardware-specific drivers already use their own resets, and the common reset make a path to occur double controls of resets. The ahci_platform_get_resources() can get and control the reset only when the second argument includes AHCI_PLATFORM_GET_RESETS bit. Suggested-by: Hans de Goede <hdegoede@redhat.com> Cc: Thierry Reding <thierry.reding@gmail.com> Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com> Reviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Tejun Heo <tj@kernel.org>
| * ata: add an extra argument to ahci_platform_get_resources()Kunihiko Hayashi2018-08-2215-15/+17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add an extra argument to ahci_platform_get_resources(), that is for the bitmap representing the resource to get in this function. Currently there is no resources to be defined, so all the callers set '0' to the argument. Suggested-by: Hans de Goede <hdegoede@redhat.com> Cc: Thierry Reding <thierry.reding@gmail.com> Cc: Matthias Brugger <matthias.bgg@gmail.com> Cc: Patrice Chotard <patrice.chotard@st.com> Cc: Maxime Ripard <maxime.ripard@free-electrons.com> Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com> Reviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Tejun Heo <tj@kernel.org>
| * ata: sata_rcar: exclude setting of PHY registers in Gen3Masaharu Hayakawa2018-08-061-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | According to documentation, setting of PHY registers is unnecessary with R-Car Gen3. The registers are not even described. So, don't initialize them. Signed-off-by: Masaharu Hayakawa <masaharu.hayakawa.ry@renesas.com> [wsa: updated commit message] Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Reviewed-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by: Tejun Heo <tj@kernel.org>
| * ata: sata_rcar: really mask all interrupts on Gen2 and laterWolfram Sang2018-08-061-7/+13
| | | | | | | | | | | | | | | | | | Since R-Car Gen2, a new bit has been introduced to the interrupt mask register. Update the code to handle it properly as well. Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Reviewed-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by: Tejun Heo <tj@kernel.org>
| * Revert "ata: ahci_platform: allow disabling of hotplug to save power"Tejun Heo2018-08-062-74/+19
| | | | | | | | | | | | | | | | | | | | This reverts commit aece27a2f01be4bb7683790f69cd1bed3a0929a2. Causes boot failure on some devices. http://lore.kernel.org/r/CA+G9fYuKW_jCFZPqG4tz=QY9ROfHO38KiCp9XTA+KaDOFVtcqQ@mail.gmail.com Signed-off-by: Tejun Heo <tj@kernel.org>
| * ata: libahci: Allow reconfigure of DEVSLP registerSrinivas Pandruvada2018-07-301-8/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There are two modes in which DEVSLP can be entered. The OS initiated or hardware autonomous. In hardware autonomous mode, BIOS configures the AHCI controller and the device to enable DEVSLP. But they may not be ideal for all cases. So in this case, OS should be able to reconfigure DEVSLP register. Currently if the DEVSLP is already enabled, we can't set again as it will simply return. There are some systems where the firmware is setting high DITO by default, in this case we can't modify here to correct settings. With the default in several seconds, we are not able to transition to DEVSLP. This change will allow reconfiguration of devslp register if DITO is different. Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Reviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Tejun Heo <tj@kernel.org>
| * ata: libahci: Correct setting of DEVSLP registerSrinivas Pandruvada2018-07-301-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We have seen that on some platforms, SATA device never show any DEVSLP residency. This prevent power gating of SATA IP, which prevent system to transition to low power mode in systems with SLP_S0 aka modern standby systems. The PHY logic is off only in DEVSLP not in slumber. Reference: https://www.intel.com/content/dam/www/public/us/en/documents/datasheets /332995-skylake-i-o-platform-datasheet-volume-1.pdf Section 28.7.6.1 Here driver is trying to do read-modify-write the devslp register. But not resetting the bits for which this driver will modify values (DITO, MDAT and DETO). So simply reset those bits before updating to new values. Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Reviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Tejun Heo <tj@kernel.org>
| * ata: ahci: Enable DEVSLP by default on x86 with SLP_S0Srinivas Pandruvada2018-07-301-5/+33
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | One of the requirement for modern x86 system to enter lowest power mode (SLP_S0) is SATA IP block to be off. This is true even during when platform is suspended to idle and not only in opportunistic (runtime) suspend. Several of these system don't have traditional ACPI S3, so it is important that they enter SLP_S0 state, to avoid draining battery even during suspend. So it is important that out of the box Linux installation reach this state. SATA IP block doesn't get turned off till SATA is in DEVSLP mode. Here user has to either use scsi-host sysfs or tools like powertop to set the sata-host link_power_management_policy to min_power. This change sets by default link power management policy to min_power with partial (preferred) or slumber support on idle for some platforms. To avoid regressions, the following conditions are used: - User didn't override the policy from module parameter - The kernel config is already set to use med_power_with_dipm or deeper - System is a SLP_S0 capable using ACPI low power idle flag This combination will make sure that systems are fairly recent and since getting shipped with SLP_S0 support, the DEVSLP function is already validated. Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Reviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Tejun Heo <tj@kernel.org>
| * ata: ahci: Support state with min power but Partial low power stateSrinivas Pandruvada2018-07-303-1/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently when min_power policy is selected, the partial low power state is not entered and link will try aggressively enter to only slumber state. Add a new policy which still enable DEVSLP but also try to enter partial low power state. This policy is presented as "min_power_with_partial". For information the difference between partial and slumber Partial – PHY logic is powered up, and in a reduced power state. The link PM exit latency to active state maximum is 10 ns. Slumber – PHY logic is powered up, and in a reduced power state. The link PM exit latency to active state maximum is 10 ms. Devslp – PHY logic is powered down. The link PM exit latency from this state to active state maximum is 20 ms, unless otherwise specified by DETO. Suggested-and-reviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Tejun Heo <tj@kernel.org>
| * Revert "ata: ahci_platform: convert kcalloc to devm_kcalloc"Corentin Labbe2018-07-241-1/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | Since ahci_platform_put_resources() use target_pwrs after "devm_" freed it, we cannot use devm_kcalloc for allocating target_pwrs. This reverts commit bd0038b1b4f499d814d8f33a55b1df5ea6cf3b85. Reported-and-reviwed-by: Mikko Perttunen <mperttunen@nvidia.com> Tested-by: Marcel Ziswiler <marcel.ziswiler@toradex.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Signed-off-by: Corentin Labbe <clabbe@baylibre.com> Signed-off-by: Tejun Heo <tj@kernel.org>
| * ata: sata_rcar: Add rudimentary Runtime PM supportGeert Uytterhoeven2018-07-231-22/+18
| | | | | | | | | | | | | | | | | | | | | | | | | | Replace the explicit clock handling to enable/disable the SATA module by calls to Runtime PM. This makes the driver independent of actual SoC clock/power hierarchies, and is needed to support virtualization, where the guest is not in full control of power management. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by: Tejun Heo <tj@kernel.org>
| * ata: sata_rcar: Provide a short-hand for &pdev->devGeert Uytterhoeven2018-07-231-8/+8
| | | | | | | | | | | | | | | | No functional changes. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by: Tejun Heo <tj@kernel.org>
| * ata: Only output sg element mapped number in verbose debugPaul Menzel2018-07-121-1/+1
| | | | | | | | | | | | | | | | | | | | | | Defining `ATA_DEBUG` there are a lof of messages like below in the log. [ 16.345472] ata_sg_setup: 1 sg elements mapped As that is too verbose, only output these messages in verbose debug. Signed-off-by: Paul Menzel <pmenzel@molgen.mpg.de> Signed-off-by: Tejun Heo <tj@kernel.org>
| * ata: Guard ata_scsi_dump_cdb() by ATA_VERBOSE_DEBUGPaul Menzel2018-07-121-2/+2
| | | | | | | | | | | | | | | | | | | | Defining `ATA_DEBUG` nothing can be really seen, as the log is spammed with CDB messages. Therefore, guard the print by `ATA_VERBOSE_DEBUG`. Signed-off-by: Paul Menzel <pmenzel@molgen.mpg.de> Signed-off-by: Tejun Heo <tj@kernel.org>
| * ata: ahci_platform: convert kcalloc to devm_kcallocCorentin Labbe2018-07-121-3/+1
| | | | | | | | | | | | | | | | Like phys, target_pwrs could be allocated with devm_ function Signed-off-by: Corentin Labbe <clabbe@baylibre.com> Reviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Tejun Heo <tj@kernel.org>
| * ata: ahci_platform: convert kzallloc to kcallocCorentin Labbe2018-07-121-5/+3
| | | | | | | | | | | | | | | | It's better to kcalloc instead of kzalloc(n * sizeof()) Signed-off-by: Corentin Labbe <clabbe@baylibre.com> Reviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Tejun Heo <tj@kernel.org>
| * ata: ahci_platform: correct parameter documentation for ahci_platform_shutdownCorentin Labbe2018-07-121-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | The documentation about parameter for ahci_platform_shutdown has a typo. This fix the following build warning: drivers/ata/libahci_platform.c:693: warning: Function parameter or member 'pdev' not described in 'ahci_platform_shutdown' drivers/ata/libahci_platform.c:693: warning: Excess function parameter 'dev' description in 'ahci_platform_shutdow Signed-off-by: Corentin Labbe <clabbe@baylibre.com> Reviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Tejun Heo <tj@kernel.org>
| * libata: remove ata_sff_data_xfer_noirq()Sebastian Andrzej Siewior2018-07-119-40/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ata_sff_data_xfer_noirq() is invoked via the ->sff_data_xfer hook. The latter is invoked by ata_pio_sector(), atapi_send_cdb() and __atapi_pio_bytes() which in turn is invoked by ata_sff_hsm_move(). The latter function requires that the "ap->lock" lock is held which needs to be taken with disabled interrupts. There is no need have to have ata_sff_data_xfer_noirq() which invokes ata_sff_data_xfer32() with disabled interrupts because at this point the interrupts are already disabled. Remove the function and its references to it and replace all callers with ata_sff_data_xfer32(). Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Tejun Heo <tj@kernel.org>
| * ata: ahci_platform: allow disabling of hotplug to save powerSamuel Morris2018-06-182-19/+74
| | | | | | | | | | | | | | | | | | | | A number of resources remain powered to support hotplug. On platforms I've worked with, allowing the ahci_platform to suspend saves about 150mW. This patch enables rpm and allows the device to be auto-suspended through sysfs. Signed-off-by: Samuel Morris <samorris@lexmark.com> Signed-off-by: Tejun Heo <tj@kernel.org>
| * ata: ahci: rpm_put port on port_stop to match rpm_get in port_startSamuel Morris2018-06-181-0/+2
| | | | | | | | | | | | | | | | This change balances out the final ahci_port_resume in port_start to ensure reference counts are correct after port stop. Signed-off-by: Samuel Morris <samorris@lexmark.com> Signed-off-by: Tejun Heo <tj@kernel.org>
* | Merge tag 'armsoc-drivers' of ↵Linus Torvalds2018-08-231-1/+0
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC driver updates from Olof Johansson: "Some of the larger changes this merge window: - Removal of drivers for Exynos5440, a Samsung SoC that never saw widespread use. - Uniphier support for USB3 and SPI reset handling - Syste control and SRAM drivers and bindings for Allwinner platforms - Qualcomm AOSS (Always-on subsystem) reset controller drivers - Raspberry Pi hwmon driver for voltage - Mediatek pwrap (pmic) support for MT6797 SoC" * tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (52 commits) drivers/firmware: psci_checker: stash and use topology_core_cpumask for hotplug tests soc: fsl: cleanup Kconfig menu soc: fsl: dpio: Convert DPIO documentation to .rst staging: fsl-mc: Remove remaining files staging: fsl-mc: Move DPIO from staging to drivers/soc/fsl staging: fsl-dpaa2: eth: move generic FD defines to DPIO soc: fsl: qe: gpio: Add qe_gpio_set_multiple usb: host: exynos: Remove support for Exynos5440 clk: samsung: Remove support for Exynos5440 soc: sunxi: Add the A13, A23 and H3 system control compatibles reset: uniphier: add reset control support for SPI cpufreq: exynos: Remove support for Exynos5440 ata: ahci-platform: Remove support for Exynos5440 soc: imx6qp: Use GENPD_FLAG_ALWAYS_ON for PU errata soc: mediatek: pwrap: add mt6351 driver for mt6797 SoCs soc: mediatek: pwrap: add pwrap driver for mt6797 SoCs soc: mediatek: pwrap: fix cipher init setting error dt-bindings: pwrap: mediatek: add pwrap support for MT6797 reset: uniphier: add USB3 core reset control dt-bindings: reset: uniphier: add USB3 core reset support ...
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