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2019-08-22misc: xilinx_sdfec: Prevent integer overflow in xsdfec_table_write()Dan Carpenter1-1/+3
The checking here needs to handle integer overflows because "offset" and "len" come from the user. Fixes: 20ec628e8007 ("misc: xilinx_sdfec: Add ability to configure LDPC") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Michal Simek <michal.simek@xilinx.com> Reviewed-by: Dragan Cvetic <dragan.cvetic@xilinx.com> Link: https://lore.kernel.org/r/20190821071122.GD26957@mwanda Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-08-22misc: xilinx_sdfec: Prevent a divide by zero in xsdfec_reg0_write()Dan Carpenter1-1/+1
The "psize" value comes from the user so we need to verify that it's non-zero before we check if "n % psize" or it will crash. Fixes: 20ec628e8007 ("misc: xilinx_sdfec: Add ability to configure LDPC") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Michal Simek <michal.simek@xilinx.com> Link: https://lore.kernel.org/r/20190821070953.GC26957@mwanda Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-08-22misc: xilinx_sdfec: Return -EFAULT if copy_from_user() failsDan Carpenter1-2/+3
The copy_from_user() function returns the number of bytes remaining to be copied but we want to return -EFAULT to the user. Fixes: 20ec628e8007 ("misc: xilinx_sdfec: Add ability to configure LDPC") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Michal Simek <michal.simek@xilinx.com> Reviewed-by: Dragan Cvetic <dragan.cvetic@xilinx.com> Link: https://lore.kernel.org/r/20190822083105.GI3964@kadam Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-08-22misc: xilinx_sdfec: Fix a couple small information leaksDan Carpenter1-0/+2
These structs have holes in them so we end up disclosing a few bytes of uninitialized stack data. drivers/misc/xilinx_sdfec.c:305 xsdfec_get_status() warn: check that 'status' doesn't leak information (struct has a hole after 'activity') drivers/misc/xilinx_sdfec.c:449 xsdfec_get_turbo() warn: check that 'turbo_params' doesn't leak information (struct has a hole after 'scale') We need to zero out the holes with memset(). Fixes: 6bd6a690c2e7 ("misc: xilinx_sdfec: Add stats & status ioctls") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Dragan Cvetic <dragan.cvetic@xilinx.com> Reviewed-by: Michal Simek <michal.simek@xilinx.com> Link: https://lore.kernel.org/r/20190821070606.GA26957@mwanda Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-08-21Merge branch 'odp_fixes' into hmm.gitJason Gunthorpe15-81/+126
From rdma.git Jason Gunthorpe says: ==================== This is a collection of general cleanups for ODP to clarify some of the flows around umem creation and use of the interval tree. ==================== The branch is based on v5.3-rc5 due to dependencies, and is being taken into hmm.git due to dependencies in the next patches. * odp_fixes: RDMA/mlx5: Use odp instead of mr->umem in pagefault_mr RDMA/mlx5: Use ib_umem_start instead of umem.address RDMA/core: Make invalidate_range a device operation RDMA/odp: Use kvcalloc for the dma_list and page_list RDMA/odp: Check for overflow when computing the umem_odp end RDMA/odp: Provide ib_umem_odp_release() to undo the allocs RDMA/odp: Split creating a umem_odp from ib_umem_get RDMA/odp: Make the three ways to create a umem_odp clear RMDA/odp: Consolidate umem_odp initialization RDMA/odp: Make it clearer when a umem is an implicit ODP umem RDMA/odp: Iterate over the whole rbtree directly RDMA/odp: Use the common interval tree library instead of generic RDMA/mlx5: Fix MR npages calculation for IB_ACCESS_HUGETLB Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-08-19lkdtm: Split WARNING into separate testsKees Cook3-1/+8
There are three paths through the kernel code exception logging: - BUG (no configurable printk message) - WARN_ON (no configurable printk message) - WARN (configurable printk message) LKDTM was not testing WARN_ON(). This is needed to evaluate the placement of the "cut here" line, which needs special handling in each of the three exceptions (and between architectures that implement instruction exceptions to implement the code exceptions). Signed-off-by: Kees Cook <keescook@chromium.org>
2019-08-19Merge 5.3-rc5 into char-misc-nextGreg Kroah-Hartman9-54/+91
We need the char/misc fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-08-16ia64: remove support for machvecsChristoph Hellwig3-11/+11
The only thing remaining of the machvecs is a few checks if we are running on an SGI UV system. Replace those with the existing is_uv_system() check that has been rewritten to simply check the OEM ID directly. That leaves us with a generic kernel that is as fast as the previous DIG/ZX1/UV kernels, but can support all hardware. Support for UV and the HP SBA IOMMU is now optional based on new config options. Signed-off-by: Christoph Hellwig <hch@lst.de> Link: https://lkml.kernel.org/r/20190813072514.23299-27-hch@lst.de Signed-off-by: Tony Luck <tony.luck@intel.com>
2019-08-16drivers: remove the SGI SN2 IOC4 base supportChristoph Hellwig3-511/+0
The IOC4 is a multi-function chip seen on SGI SN2 and some SGI MIPS systems. This removes the base driver, which while not having an SN2 Kconfig dependency was only for sub-drivers that had one. Signed-off-by: Christoph Hellwig <hch@lst.de> Link: https://lkml.kernel.org/r/20190813072514.23299-15-hch@lst.de Signed-off-by: Tony Luck <tony.luck@intel.com>
2019-08-16misc/sgi-xp: remove SGI SN2 supportChristoph Hellwig13-3030/+15
Note this also marks xp broken on ia64 now, as the UV support, which was disable in generic kernels before actually never compiled due to undefined uv_gpa_to_soc_phys_ram and uv_gpa_in_mmr_space symbols since at least commit c2c9f1157414 ("x86: uv: update XPC to handle updated BIOS interface"). Signed-off-by: Christoph Hellwig <hch@lst.de> Link: https://lkml.kernel.org/r/20190813072514.23299-11-hch@lst.de Signed-off-by: Tony Luck <tony.luck@intel.com>
2019-08-16misc/sgi-gru: use mmu_notifier_get/put for struct gru_mm_structJason Gunthorpe3-62/+25
GRU is already using almost the same algorithm as get/put, it even helpfully has a 10 year old comment to make this algorithm common, which is finally happening. There are a few differences and fixes from this conversion: - GRU used rcu not srcu to read the hlist - Unclear how the locking worked to prevent gru_register_mmu_notifier() from running concurrently with gru_drop_mmu_notifier() - this version is safe - GRU had a release function which only set a variable without any locking that skiped the synchronize_srcu during unregister which looks racey, but this makes it reliable via the integrated call_srcu(). - It is unclear if the mmap_sem is actually held when __mmu_notifier_register() was called, lockdep will now warn if this is wrong Link: https://lore.kernel.org/r/20190806231548.25242-5-jgg@ziepe.ca Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dimitri Sivanich <sivanich@hpe.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-08-15sgi-xpc: Use GFP_ATOMIC for kmalloc in atomic context.Fuqian Huang1-1/+1
xpc_send_activate_IRQ_uv is called from <-xpc_send_activate_IRQ_part_uv <-xpc_indicate_partition_disengaged_uv (xpc_arch_ops.indicate_partition_disengaged) <-xpc_die_deactivate <-xpc_system_die xpc_system_die is registered by atomic_notifier_chain_register, which indicates xpc_system_die may be called in atomic context. So the kmalloc in xpc_send_activate_IRQ_uv may be in atomic context. Use GFP_ATOMIC instead of GFP_KERNEL in kmalloc. Signed-off-by: Fuqian Huang <huangfq.daxian@gmail.com> Link: https://lore.kernel.org/r/20190805125625.24963-1-huangfq.daxian@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-08-15misc: xilinx-sdfec: fix dependency and build errorRandy Dunlap1-0/+1
lib/devres.c, which implements devm_ioremap_resource(), is only built when CONFIG_HAS_IOMEM is set/enabled, so XILINX_SDFEC should depend on HAS_IOMEM. Fixes this build error (as seen on UML builds): ERROR: "devm_ioremap_resource" [drivers/misc/xilinx_sdfec.ko] undefined! Fixes: 76d83e1c3233 ("misc: xilinx-sdfec: add core driver") Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Cc: Derek Kiernan <derek.kiernan@xilinx.com> Cc: Dragan Cvetic <dragan.cvetic@xilinx.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Arnd Bergmann <arnd@arndb.de> Link: https://lore.kernel.org/r/f9004be5-9925-327b-3ec2-6506e46fe565@infradead.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-08-15sgi-xp: xpc_uv: Make structure xpc_arch_ops_uv constantNishka Dasgupta1-1/+1
The static xpc_arch_operations structure xpc_arch_ops_uv is only copied into the structure xpc_arch_ops, after which it is never modified; nor is it used in any other way. Hence it can be declared as a constant to prevent unintended modifications of its fields. Issue found with Coccinelle. Signed-off-by: Nishka Dasgupta <nishkadg.linux@gmail.com> Acked-by: Robin Holt <robinmholt@gmail.com> Link: https://lore.kernel.org/r/20190808080422.16503-1-nishkadg.linux@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-08-15xilinx_sdfec: Convert to IDAMatthew Wilcox (Oracle)1-19/+6
This driver does not use the lookup abilities of the IDR, so convert it to the more space-efficient IDA. Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Link: https://lore.kernel.org/r/20190807025050.28367-1-willy@infradead.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-08-15misc: xilinx_sdfec: Add stats & status ioctlsDragan Cvetic1-0/+125
SD-FEC statistic data are: - count of data interface errors (isr_err_count) - count of Correctable ECC errors (cecc_count) - count of Uncorrectable ECC errors (uecc_count) Add support: 1. clear stats ioctl callback which clears collected statistic data, 2. get stats ioctl callback which reads a collected statistic data, 3. set default configuration ioctl callback, 4. start ioctl callback enables SD-FEC HW, 5. stop ioctl callback disables SD-FEC HW. In a failed state driver enables the following ioctls: - get status - get statistics - clear stats - set default SD-FEC device configuration Tested-by: Santhosh Dyavanapally <SDYAVANA@xilinx.com> Tested by: Punnaiah Choudary Kalluri <punnaia@xilinx.com> Tested-by: Derek Kiernan <derek.kiernan@xilinx.com> Tested-by: Dragan Cvetic <dragan.cvetic@xilinx.com> Signed-off-by: Derek Kiernan <derek.kiernan@xilinx.com> Signed-off-by: Dragan Cvetic <dragan.cvetic@xilinx.com> Link: https://lore.kernel.org/r/1564216438-322406-7-git-send-email-dragan.cvetic@xilinx.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-08-15misc: xilinx_sdfec: Support poll file operationDragan Cvetic1-4/+236
Support monitoring and detecting the SD-FEC error events through IRQ and poll file operation. The SD-FEC device can detect one-error or multi-error events. An error triggers an interrupt which creates and run the ONE_SHOT IRQ thread. The ONE_SHOT IRQ thread detects type of error and pass that information to the poll function. The file_operation callback poll(), collects the events and updates the statistics accordingly. The function poll blocks() on waiting queue which can be unblocked by ONE_SHOT IRQ handling thread. Support SD-FEC interrupt set ioctl callback. The SD-FEC can detect two type of errors: coding errors (ECC) and a data interface errors (TLAST). The errors are events which can trigger an IRQ if enabled. The driver can monitor and detect these errors through IRQ. Also the driver updates the statistical data. Tested-by: Dragan Cvetic <dragan.cvetic@xilinx.com> Signed-off-by: Derek Kiernan <derek.kiernan@xilinx.com> Signed-off-by: Dragan Cvetic <dragan.cvetic@xilinx.com> Link: https://lore.kernel.org/r/1564216438-322406-6-git-send-email-dragan.cvetic@xilinx.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-08-15misc: xilinx_sdfec: Add ability to get/set configDragan Cvetic1-0/+88
- Add capability to get SD-FEC config data using ioctl XSDFEC_GET_CONFIG. - Add capability to set SD-FEC data order using ioctl SDFEC_SET_ORDER. - Add capability to set SD-FEC bypass option using ioctl XSDFEC_SET_BYPASS. - Add capability to set SD-FEC active state using ioctl XSDFEC_IS_ACTIVE. Tested-by: Dragan Cvetic <dragan.cvetic@xilinx.com> Signed-off-by: Derek Kiernan <derek.kiernan@xilinx.com> Signed-off-by: Dragan Cvetic <dragan.cvetic@xilinx.com> Link: https://lore.kernel.org/r/1564216438-322406-5-git-send-email-dragan.cvetic@xilinx.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-08-15misc: xilinx_sdfec: Add ability to configure LDPCDragan Cvetic1-0/+324
Add the capability to configure LDPC mode via the ioctl XSDFEC_ADD_LDPC_CODE_PARAMS. Tested-by: Dragan Cvetic <dragan.cvetic@xilinx.com> Signed-off-by: Derek Kiernan <derek.kiernan@xilinx.com> Signed-off-by: Dragan Cvetic <dragan.cvetic@xilinx.com> Link: https://lore.kernel.org/r/1564216438-322406-4-git-send-email-dragan.cvetic@xilinx.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-08-15misc: xilinx_sdfec: Add ability to configure turboDragan Cvetic1-0/+110
Add the capability to configure and retrieve turbo mode via the ioctls XSDFEC_SET_TURBO and XSDFEC_GET_TURBO. Add char device interface per DT node present and support file operations: - open(), - close(), - unlocked_ioctl(), - compat_ioctl(). Tested-by: Dragan Cvetic <dragan.cvetic@xilinx.com> Signed-off-by: Derek Kiernan <derek.kiernan@xilinx.com> Signed-off-by: Dragan Cvetic <dragan.cvetic@xilinx.com> Link: https://lore.kernel.org/r/1564216438-322406-3-git-send-email-dragan.cvetic@xilinx.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-08-15misc: xilinx_sdfec: Store driver config and stateDragan Cvetic1-6/+299
Stores configuration based on parameters from the DT node and values from the SD-FEC core plus reads the default state from the SD-FEC core. To obtain values from the core register read, write capabilities have been added plus related register map details. Tested-by: Dragan Cvetic <dragan.cvetic@xilinx.com> Signed-off-by: Derek Kiernan <derek.kiernan@xilinx.com> Signed-off-by: Dragan Cvetic <dragan.cvetic@xilinx.com> Link: https://lore.kernel.org/r/1564216438-322406-2-git-send-email-dragan.cvetic@xilinx.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-08-12lkdtm: Add Control Flow Integrity testKees Cook4-0/+47
This adds a simple test for forward CFI (indirect function calls) with function prototype granularity (as implemented by Clang's CFI). Signed-off-by: Kees Cook <keescook@chromium.org>
2019-08-12habanalabs: fix device IRQ unmasking for BE hostBen Segal1-9/+24
When unmasking IRQs inside the ASIC, the driver passes an array of all the IRQ to unmask. The ASIC's CPU is working in LE so when running in a BE host, the driver needs to do the proper endianness swapping when preparing this array. In addition, this patch also fixes the endianness of a couple of kernel log debug messages that print values of packets Signed-off-by: Ben Segal <bpsegal20@gmail.com> Reviewed-by: Oded Gabbay <oded.gabbay@gmail.com> Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
2019-08-12habanalabs: fix endianness handling for internal QMAN submissionOded Gabbay4-15/+17
The PQs of internal H/W queues (QMANs) can be located in different memory areas for different ASICs. Therefore, when writing PQEs, we need to use the correct function according to the location of the PQ. e.g. if the PQ is located in the device's memory (SRAM or DRAM), we need to use memcpy_toio() so it would work in architectures that have separate address ranges for IO memory. This patch makes the code that writes the PQE to be ASIC-specific so we can handle this properly per ASIC. Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com> Tested-by: Ben Segal <bpsegal20@gmail.com>
2019-08-12habanalabs: fix completion queue handling when host is BEBen Segal1-14/+13
This patch fix the CQ irq handler to work in hosts with BE architecture. It adds the correct endian-swapping macros around the relevant memory accesses. Signed-off-by: Ben Segal <bpsegal20@gmail.com> Reviewed-by: Oded Gabbay <oded.gabbay@gmail.com> Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
2019-08-12habanalabs: fix endianness handling for packets from userBen Segal2-13/+32
Packets that arrive from the user and need to be parsed by the driver are assumed to be in LE format. This patch fix all the places where the code handles these packets and use the correct endianness macros to handle them, as the driver handles the packets in CPU format (LE or BE depending on the arch). Signed-off-by: Ben Segal <bpsegal20@gmail.com> Reviewed-by: Oded Gabbay <oded.gabbay@gmail.com> Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
2019-08-12habanalabs: fix DRAM usage accounting on context tear downTomer Tayar1-0/+2
The patch fix the DRAM usage accounting by adding a missing update of the DRAM memory consumption, when a context is being torn down without an organized release of the allocated memory. Signed-off-by: Tomer Tayar <ttayar@habana.ai> Reviewed-by: Oded Gabbay <oded.gabbay@gmail.com> Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
2019-08-12habanalabs: Avoid double free in error flowTomer Tayar1-3/+2
In case kernel context init fails during device initialization, both hl_ctx_put() and kfree() are called, ending with a double free of the kernel context. Calling kfree() is needed only when a failure happens between the allocation of the kernel context and its initialization, so move it to there and remove it from the error flow. Signed-off-by: Tomer Tayar <ttayar@habana.ai> Reviewed-by: Oded Gabbay <oded.gabbay@gmail.com> Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
2019-08-12Merge 5.3-rc4 into char-misc-nextGreg Kroah-Hartman5-24/+23
We need the char-misc fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-08-10Merge tag 'char-misc-5.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-miscLinus Torvalds4-23/+22
Pull char/misc driver fixes Greg KH: "Here are some small char/misc driver fixes for 5.3-rc4. Two of these are for the habanalabs driver for issues found when running on a big-endian system (are they still alive?) The others are tiny fixes reported by people, and a MAINTAINERS update about the location of the fpga development tree. All of these have been in linux-next for a while with no reported issues" * tag 'char-misc-5.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: coresight: Fix DEBUG_LOCKS_WARN_ON for uninitialized attribute MAINTAINERS: Move linux-fpga tree to new location nvmem: Use the same permissions for eeprom as for nvmem habanalabs: fix host memory polling in BE architecture habanalabs: fix F/W download in BE architecture
2019-08-05misc: Remove spear13xx pcie gadget driverStephen Boyd3-807/+0
This driver has been marked broken since 2013, see commit 98097858ccf3 ("misc: mark spear13xx-pcie-gadget as broken"). Let's remove this file now that it's been more than 5 years of existing in a broken state. Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Stephen Boyd <swboyd@chromium.org> Link: https://lore.kernel.org/r/5d41a2b7.1c69fb81.c8d56.edb6@mx.google.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-08-01Merge tag 'at24-v5.3-rc3-fixes-for-wolfram' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux into i2c/for-currentWolfram Sang1-1/+1
at24 fixes for v5.3-rc3 - make spd eeproms world-readable again
2019-07-30mei: Use dev_get_drvdata where possibleChuhong Yuan2-22/+16
Instead of using to_pci_dev + pci_get_drvdata, use dev_get_drvdata to make code simpler. Signed-off-by: Chuhong Yuan <hslester96@gmail.com> Link: https://lore.kernel.org/r/20190723124627.24671-1-hslester96@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-07-30drivers: Introduce device lookup variants by device typeSuzuki K Poulose1-8/+1
Add a helper to match a device by its type and provide wrappers for {bus/class/driver}_find_device() APIs. Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Harald Freudenberger <freude@linux.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: linux-usb@vger.kernel.org Cc: Oliver Neukum <oneukum@suse.com> Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: Tomas Winkler <tomas.winkler@intel.com> Cc: "Rafael J. Wysocki" <rafael@kernel.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Ulf Hansson <ulf.hansson@linaro.org> Cc: Joe Perches <joe@perches.com> Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com> Link: https://lore.kernel.org/r/20190723221838.12024-5-suzuki.poulose@arm.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-07-29habanalabs: fix host memory polling in BE architectureBen Segal4-6/+20
This patch fix a bug in the host memory polling macro. The bug is that the memory being polled can be written by the device, which always writes it in LE. However, if the host is running Linux in BE mode, we need to convert the value that was written by the device before matching it to the required value that the caller has given to the macro. Signed-off-by: Ben Segal <bpsegal20@gmail.com> Reviewed-by: Oded Gabbay <oded.gabbay@gmail.com> Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
2019-07-29habanalabs: fix F/W download in BE architectureBen Segal1-17/+2
writeX macros might perform byte-swapping in BE architectures. As our F/W is in LE format, we need to make sure no byte-swapping will occur. There is a standard kernel function (called memcpy_toio) for copying data to I/O area which is used in a lot of drivers to download F/W to PCIe adapters. That function also makes sure the data is copied "as-is", without byte-swapping. This patch use that function to copy the F/W to the GOYA ASIC instead of writeX macros. Signed-off-by: Ben Segal <bpsegal20@gmail.com> Reviewed-by: Oded Gabbay <oded.gabbay@gmail.com> Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
2019-07-29Merge 5.3-rc2 into char-misc-nextGreg Kroah-Hartman4-3/+12
We want the char/misc fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-07-28eeprom: at24: make spd world-readable againJean Delvare1-1/+1
The integration of the at24 driver into the nvmem framework broke the world-readability of spd EEPROMs. Fix it. Signed-off-by: Jean Delvare <jdelvare@suse.de> Cc: stable@vger.kernel.org Fixes: 57d155506dd5 ("eeprom: at24: extend driver to plug into the NVMEM framework") Cc: Andrew Lunn <andrew@lunn.ch> Cc: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Bartosz Golaszewski <brgl@bgdev.pl> Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
2019-07-25misc: fastrpc: fix memory leak when out of memoryJorge Ramirez-Ortiz1-1/+4
Do the necessary house-keeping if the allocated memory wont be used Signed-off-by: Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org> Link: https://lore.kernel.org/r/20190705081303.14170-1-jorge.ramirez-ortiz@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-07-25eeprom: make older eeprom drivers select NVMEM_SYSFSArseny Solokha1-0/+3
misc/eeprom/{at24,at25,eeprom_93xx46} drivers all register their corresponding devices in the nvmem framework in compat mode which requires nvmem sysfs interface to be present. The latter, however, has been split out from nvmem under a separate Kconfig in commit ae0c2d725512 ("nvmem: core: add NVMEM_SYSFS Kconfig"). As a result, probing certain I2C-attached EEPROMs now fails with at24: probe of 0-0050 failed with error -38 because of a stub implementation of nvmem_sysfs_setup_compat() in drivers/nvmem/nvmem.h. Update the nvmem dependency for these drivers so they could load again: at24 0-0050: 32768 byte 24c256 EEPROM, writable, 64 bytes/write Cc: Adrian Bunk <bunk@kernel.org> Cc: Bartosz Golaszewski <brgl@bgdev.pl> Cc: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Cc: stable@vger.kernel.org # v5.2+ Signed-off-by: Arseny Solokha <asolokha@kb.kras.ru> Link: https://lore.kernel.org/r/20190716111236.27803-1-asolokha@kb.kras.ru Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-07-25mic: avoid statically declaring a 'struct device'.Arnd Bergmann1-16/+12
Generally, declaring a platform device as a static variable is a bad idea and can cause all kinds of problems, in particular with the DMA configuration and lifetime rules. A specific problem we hit here is from a bug in clang that warns about certain (otherwise valid) macros when used in static variables: drivers/misc/mic/card/mic_x100.c:285:27: warning: shift count >= width of type [-Wshift-count-overflow] static u64 mic_dma_mask = DMA_BIT_MASK(64); ^~~~~~~~~~~~~~~~ include/linux/dma-mapping.h:141:54: note: expanded from macro 'DMA_BIT_MASK' #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1)) ^ ~~~ A slightly better way here is to create the platform device dynamically and set the dma mask in the probe function. This avoids the warning and some other problems, but is still not ideal because the device creation should really be separated from the driver, and the fact that the device has no parent means we have to force the dma mask rather than having it set up from the bus that the device is actually on. Fixes: dd8d8d44df64 ("misc: mic: MIC card driver specific changes to enable SCIF") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Link: https://lore.kernel.org/r/20190712092426.872625-1-arnd@arndb.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-07-25misc: alcor_pci: Use dev_get_drvdataChuhong Yuan1-4/+2
Instead of using to_pci_dev + pci_get_drvdata, use dev_get_drvdata to make code simpler. Signed-off-by: Chuhong Yuan <hslester96@gmail.com> Link: https://lore.kernel.org/r/20190723124649.24728-1-hslester96@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-07-25misc: eeprom: max6875: convert to i2c_new_dummy_deviceWolfram Sang1-3/+3
Move from i2c_new_dummy() to i2c_new_dummy_device(), so we now get an ERRPTR which we use in error handling. Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Link: https://lore.kernel.org/r/20190722172616.3982-3-wsa+renesas@sang-engineering.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-07-25misc: eeprom: ee1004: convert to i2c_new_dummy_deviceWolfram Sang1-3/+3
Move from i2c_new_dummy() to i2c_new_dummy_device(), so we now get an ERRPTR which we use in error handling. Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Link: https://lore.kernel.org/r/20190722172616.3982-2-wsa+renesas@sang-engineering.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-07-24mei: me: add mule creek canyon (EHL) device idsAlexander Usyskin2-0/+6
Add Mule Creek Canyon (PCH) MEI device ids for Elkhart Lake (EHL) Platform. Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Cc: stable <stable@vger.kernel.org> Link: https://lore.kernel.org/r/20190712095814.20746-1-tomas.winkler@intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-07-22eeprom: at24: remove unneeded includeBartosz Golaszewski1-1/+0
We used to have a call to ilog2() in AT24_DEVICE_MAGIC(). That's long gone so this header is no longer needed. Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Acked-by: Wolfram Sang <wsa@the-dreams.de>
2019-07-19Merge branch 'work.mount0' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfsLinus Torvalds3-27/+25
Pull vfs mount updates from Al Viro: "The first part of mount updates. Convert filesystems to use the new mount API" * 'work.mount0' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (63 commits) mnt_init(): call shmem_init() unconditionally constify ksys_mount() string arguments don't bother with registering rootfs init_rootfs(): don't bother with init_ramfs_fs() vfs: Convert smackfs to use the new mount API vfs: Convert selinuxfs to use the new mount API vfs: Convert securityfs to use the new mount API vfs: Convert apparmorfs to use the new mount API vfs: Convert openpromfs to use the new mount API vfs: Convert xenfs to use the new mount API vfs: Convert gadgetfs to use the new mount API vfs: Convert oprofilefs to use the new mount API vfs: Convert ibmasmfs to use the new mount API vfs: Convert qib_fs/ipathfs to use the new mount API vfs: Convert efivarfs to use the new mount API vfs: Convert configfs to use the new mount API vfs: Convert binfmt_misc to use the new mount API convenience helper: get_tree_single() convenience helper get_tree_nodev() vfs: Kill sget_userns() ...
2019-07-17Merge tag 'dmaengine-5.3-rc1' of git://git.infradead.org/users/vkoul/slave-dmaLinus Torvalds1-1/+1
Pull dmaengine updates from Vinod Koul: - Add support in dmaengine core to do device node checks for DT devices and update bunch of drivers to use that and remove open coding from drivers - New driver/driver support for new hardware, namely: - MediaTek UART APDMA - Freescale i.mx7ulp edma2 - Synopsys eDMA IP core version 0 - Allwinner H6 DMA - Updates to axi-dma and support for interleaved cyclic transfers - Greg's debugfs return value check removals on drivers - Updates to stm32-dma, hsu, dw, pl330, tegra drivers * tag 'dmaengine-5.3-rc1' of git://git.infradead.org/users/vkoul/slave-dma: (68 commits) dmaengine: Revert "dmaengine: fsl-edma: add i.mx7ulp edma2 version support" dmaengine: at_xdmac: check for non-empty xfers_list before invoking callback Documentation: dmaengine: clean up description of dmatest usage dmaengine: tegra210-adma: remove PM_CLK dependency dmaengine: fsl-edma: add i.mx7ulp edma2 version support dt-bindings: dma: fsl-edma: add new i.mx7ulp-edma dmaengine: fsl-edma-common: version check for v2 instead dmaengine: fsl-edma-common: move dmamux register to another single function dmaengine: fsl-edma: add drvdata for fsl-edma dmaengine: Revert "dmaengine: fsl-edma: support little endian for edma driver" dmaengine: rcar-dmac: Reject zero-length slave DMA requests dmaengine: dw: Enable iDMA 32-bit on Intel Elkhart Lake dmaengine: dw-edma: fix semicolon.cocci warnings dmaengine: sh: usb-dmac: Use [] to denote a flexible array member dmaengine: dmatest: timeout value of -1 should specify infinite wait dmaengine: dw: Distinguish ->remove() between DW and iDMA 32-bit dmaengine: fsl-edma: support little endian for edma driver dmaengine: hsu: Revert "set HSU_CH_MTSR to memory width" dmagengine: pl330: add code to get reset property dt-bindings: pl330: document the optional resets property ...
2019-07-15Merge branch 'i2c/for-5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linuxLinus Torvalds1-58/+28
Pull i2c updates from Wolfram Sang: "New stuff from the I2C world: - in the core, getting irqs from ACPI is now similar to OF - new driver for MediaTek MT7621/7628/7688 SoCs - bcm2835, i801, and tegra drivers got some more attention - GPIO API cleanups - cleanups in the core headers - lots of usual driver updates" * 'i2c/for-5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (74 commits) i2c: mt7621: Fix platform_no_drv_owner.cocci warnings i2c: cpm: remove casting dma_alloc dt-bindings: i2c: sun6i-p2wi: Fix the binding example dt-bindings: i2c: mv64xxx: Fix the example compatible i2c: i801: Documentation update i2c: i801: Add support for Intel Tiger Lake i2c: i801: Fix PCI ID sorting dt-bindings: i2c-stm32: document optional dmas i2c: i2c-stm32f7: Add I2C_SMBUS_I2C_BLOCK_DATA support i2c: core: Tidy up handling of init_irq i2c: core: Move ACPI gpio IRQ handling into i2c_acpi_get_irq i2c: core: Move ACPI IRQ handling to probe time i2c: acpi: Factor out getting the IRQ from ACPI i2c: acpi: Use available IRQ helper functions i2c: core: Allow whole core to use i2c_dev_irq_from_resources eeprom: at24: modify a comment referring to platform data dt-bindings: i2c: omap: Add new compatible for J721E SoCs dt-bindings: i2c: mv64xxx: Add YAML schemas dt-bindings: i2c: sun6i-p2wi: Add YAML schemas i2c: mt7621: Add MediaTek MT7621/7628/7688 I2C driver ...
2019-07-15Merge tag 'drm-next-2019-07-16' of git://anongit.freedesktop.org/drm/drmLinus Torvalds1-1/+1
Pull drm updates from Dave Airlie: "The biggest thing in this is the AMD Navi GPU support, this again contains a bunch of header files that are large. These are the new AMD RX5700 GPUs that just recently became available. New drivers: - ST-Ericsson MCDE driver - Ingenic JZ47xx SoC UAPI change: - HDR source metadata property Core: - HDR inforframes and EDID parsing - drm hdmi infoframe unpacking - remove prime sg_table caching into dma-buf - New gem vram helpers to reduce driver code - Lots of drmP.h removal - reservation fencing fix - documentation updates - drm_fb_helper_connector removed - mode name command handler rewrite fbcon: - Remove the fbcon notifiers ttm: - forward progress fixes dma-buf: - make mmap call optional - debugfs refcount fixes - dma-fence free with pending signals fix - each dma-buf gets an inode Panels: - Lots of additional panel bindings amdgpu: - initial navi10 support - avoid hw reset - HDR metadata support - new thermal sensors for vega asics - RAS fixes - use HMM rather than MMU notifier - xgmi topology via kfd - SR-IOV fixes - driver reload fixes - DC use a core bpc attribute - Aux fixes for DC - Bandwidth calc updates for DC - Clock handling refactor - kfd VEGAM support vmwgfx: - Coherent memory support changes i915: - HDR Support - HDMI i2c link - Icelake multi-segmented gamma support - GuC firmware update - Mule Creek Canyon PCH support for EHL - EHL platform updtes - move i915.alpha_support to i915.force_probe - runtime PM refactoring - VBT parsing refactoring - DSI fixes - struct mutex dependency reduction - GEM code reorg mali-dp: - Komeda driver features msm: - dsi vs EPROBE_DEFER fixes - msm8998 snapdragon 835 support - a540 gpu support - mdp5 and dpu interconnect support exynos: - drmP.h removal tegra: - misc fixes tda998x: - audio support improvements - pixel repeated mode support - quantisation range handling corrections - HDMI vendor info fix armada: - interlace support fix - overlay/video plane register handling refactor - add gamma support rockchip: - RX3328 support panfrost: - expose perf counters via hidden ioctls vkms: - enumerate CRC sources list ast: - rework BO handling mgag200: - rework BO handling dw-hdmi: - suspend/resume support rcar-du: - R8A774A1 Soc Support - LVDS dual-link mode support - Additional formats - Misc fixes omapdrm: - DSI command mode display support stm - fb modifier support - runtime PM support sun4i: - use vmap ops vc4: - binner bo binding rework v3d: - compute shader support - resync/sync fixes - job management refactoring lima: - NULL pointer in irq handler fix - scheduler default timeout virtio: - fence seqno support - trace events bochs: - misc fixes tc458767: - IRQ/HDP handling sii902x: - HDMI audio support atmel-hlcdc: - misc fixes meson: - zpos support" * tag 'drm-next-2019-07-16' of git://anongit.freedesktop.org/drm/drm: (1815 commits) Revert "Merge branch 'vmwgfx-next' of git://people.freedesktop.org/~thomash/linux into drm-next" Revert "mm: adjust apply_to_pfn_range interface for dropped token." mm: adjust apply_to_pfn_range interface for dropped token. drm/amdgpu/navi10: add uclk activity sensor drm/amdgpu: properly guard the generic discovery code drm/amdgpu: add missing documentation on new module parameters drm/amdgpu: don't invalidate caches in RELEASE_MEM, only do the writeback drm/amd/display: avoid 64-bit division drm/amdgpu/psp11: simplify the ucode register logic drm/amdgpu: properly guard DC support in navi code drm/amd/powerplay: vega20: fix uninitialized variable use drm/amd/display: dcn20: include linux/delay.h amdgpu: make pmu support optional drm/amd/powerplay: Zero initialize current_rpm in vega20_get_fan_speed_percent drm/amd/powerplay: Zero initialize freq in smu_v11_0_get_current_clk_freq drm/amd/powerplay: Use memset to initialize metrics structs drm/amdgpu/mes10.1: Fix header guard drm/amd/powerplay: add temperature sensor support for navi10 drm/amdgpu: fix scheduler timeout calc drm/amdgpu: Prepare for hmm_range_register API change (v2) ...
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