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2018-08-08fsi: sbefifo: Bump max command lengthBenjamin Herrenschmidt1-7/+32
Otherwise cronus putmem fails istep and BML fails to upload skiboot To do that, we still use our one-page command buffer for small commands for speed, and for anything bigger, with a limit of 1MB plus a page, we vmalloc a temporary buffer. The limit was chosen because Cronus will break up any data transfer into 1M chunks (the extra page is for the command header). Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Reviewed-by: Andrew Jeffery <andrew@aj.id.au>
2018-08-06fsi: scom: Fix NULL dereferenceBenjamin Herrenschmidt1-0/+1
The chardev conversion forgot to copy the fsi_dev, silly mistake, compounded by a testing mistake on my side, this specific driver wasn't being tested properly. Fixes: d8f4587655f9 "fsi: scom: Convert to use the new chardev" Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2018-08-05misc: mic: SCIF Fix scif_get_new_port() error handlingDan Carpenter1-11/+9
There are only 2 callers of scif_get_new_port() and both appear to get the error handling wrong. Both treat zero returns as error, but it actually returns negative error codes and >= 0 on success. Fixes: e9089f43c9a7 ("misc: mic: SCIF open close bind and listen APIs") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-05misc: cxl: changed asterisk positionParth Y Shah1-1/+1
Resolved <"foo* bar" should be "foo *bar"> error Signed-off-by: Parth Y Shah <sparth1292@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-05genwqe: card_base: Use true and false for boolean valuesGustavo A. R. Silva1-1/+1
Return statements in functions returning bool should use true or false instead of an integer value. This code was detected with the help of Coccinelle. Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-05misc: eeprom: assignment outside the if statementParth Y Shah1-1/+2
Assignment of any variable should be kept outside the if statement Signed-off-by: Parth Y Shah <sparth1292@gmail.com> Reviewed-by: Jean Delvare <jdelvare@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-02uio: potential double frees if __uio_register_device() failsDan Carpenter1-2/+1
The uio_unregister_device() function assumes that if "info->uio_dev" is non-NULL that means "info" is fully allocated. Setting info->uio_de has to be the last thing in the function. In the current code, if request_threaded_irq() fails then we return with info->uio_dev set to non-NULL but info is not fully allocated and it can lead to double frees. Fixes: beafc54c4e2f ("UIO: Add the User IO core code") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-02eeprom: idt_89hpesx: clean up an error pointer vs NULL inconsistencyDan Carpenter1-1/+1
We check for IS_ERR_OR_NULL() here, but later we check the same thing for NULL only. It turns out that it can only be NULL so we can make the checking consistent by removing the ERR_PTR stuff. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-02misc: ti-st: Fix memory leak in the error path of probe()Anton Vasilyev1-2/+2
Free resources instead of direct return of the error code if kim_probe fails. Found by Linux Driver Verification project (linuxtesting.org). Signed-off-by: Anton Vasilyev <vasilyev@ispras.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-02android: binder: Show extra_buffers_size in traceSherry Yang1-2/+5
Add extra_buffers_size to the binder_transaction_alloc_buf tracepoint. Acked-by: Arve Hjønnevåg <arve@android.com> Signed-off-by: Sherry Yang <sherryy@android.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-02firmware: vpd: Fix section enabled flag on vpd_section_destroyAnton Vasilyev1-1/+4
static struct ro_vpd and rw_vpd are initialized by vpd_sections_init() in vpd_probe() based on header's ro and rw sizes. In vpd_remove() vpd_section_destroy() performs deinitialization based on enabled flag, which is set to true by vpd_sections_init(). This leads to call of vpd_section_destroy() on already destroyed section for probe-release-probe-release sequence if first probe performs ro_vpd initialization and second probe does not initialize it. The patch adds changing enabled flag on vpd_section_destroy and adds cleanup on the error path of vpd_sections_init. Found by Linux Driver Verification project (linuxtesting.org). Signed-off-by: Anton Vasilyev <vasilyev@ispras.ru> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-02platform: goldfish: Retire pdev_busRoman Kiryanov3-238/+0
Not used by goldfish. Signed-off-by: Roman Kiryanov <rkir@google.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-02goldfish: Use dedicated macros instead of manual bit shiftingRoman Kiryanov1-4/+7
There are dedicated macros (lower_32_bits and upper_32_bits) available to extract the lower and upper 32 bits. They provide better readability and could prevent some compilation warnings. Signed-off-by: Roman Kiryanov <rkir@google.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-02goldfish: Add missing includes to goldfish.hRoman Kiryanov1-0/+3
goldfish.h refers to external symbols such as dma_addr_t and writel. This causes compilation errors if this file is included before other header files. The mentioned symbols are defined in types.h (dma_addr_t) and io.h (writel). Signed-off-by: Roman Kiryanov <rkir@google.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-02mux: adgs1408: new driver for Analog Devices ADGS1408/1409 muxMircea Caprioru3-0/+143
This patch adds basic support for Analog Device ADGS1408/09 SPI mux controller. The device is probed and set to a disabled state. It uses the new mux controller framework. Signed-off-by: Mircea Caprioru <mircea.caprioru@analog.com> Signed-off-by: Peter Rosin <peda@axentia.se> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-02dt-bindings: mux: add adi,adgs1408Mircea Caprioru2-0/+54
Adding documentation for adgs1408/1409 multiplexer. The bindings follow the standard SPI and mux bindings and do not require any additional custom properties. Signed-off-by: Mircea Caprioru <mircea.caprioru@analog.com> Reviewed-by: Rob Herring <robh@kernel.org> [peda: reword idle-state to non-array for singular mux controller] Signed-off-by: Peter Rosin <peda@axentia.se> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-02Drivers: hv: vmbus: Cleanup synic memory free pathMichael Kelley1-6/+8
clk_evt memory is not being freed when the synic is shutdown or when there is an allocation error. Add the appropriate kfree() call, along with a comment to clarify how the memory gets freed after an allocation error. Make the free path consistent by removing checks for NULL since kfree() and free_page() already do the check. Signed-off-by: Michael Kelley <mikelley@microsoft.com> Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-02Drivers: hv: vmbus: Remove use of slow_virt_to_phys()Michael Kelley1-7/+20
slow_virt_to_phys() is only implemented for arch/x86. Remove its use in arch independent Hyper-V drivers, and replace with test for vmalloc() address followed by appropriate v-to-p function. This follows the typical pattern of other drivers and avoids the need to implement slow_virt_to_phys() for Hyper-V on ARM64. Signed-off-by: Michael Kelley <mikelley@microsoft.com> Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-02Drivers: hv: vmbus: Reset the channel callback in vmbus_onoffer_rescind()Dexuan Cui3-16/+32
Before setting channel->rescind in vmbus_rescind_cleanup(), we should make sure the channel callback won't run any more, otherwise a high-level driver like pci_hyperv, which may be infinitely waiting for the host VSP's response and notices the channel has been rescinded, can't safely give up: e.g., in hv_pci_protocol_negotiation() -> wait_for_response(), it's unsafe to exit from wait_for_response() and proceed with the on-stack variable "comp_pkt" popped. The issue was originally spotted by Michael Kelley <mikelley@microsoft.com>. In vmbus_close_internal(), the patch also minimizes the range protected by disabling/enabling channel->callback_event: we don't really need that for the whole function. Signed-off-by: Dexuan Cui <decui@microsoft.com> Reviewed-by: Michael Kelley <mikelley@microsoft.com> Cc: stable@vger.kernel.org Cc: K. Y. Srinivasan <kys@microsoft.com> Cc: Stephen Hemminger <sthemmin@microsoft.com> Cc: Michael Kelley <mikelley@microsoft.com> Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-02mei: define dma ring buffer sizes for PCH12 HW and newerAlexander Usyskin2-0/+17
Define dma ring buffer sizes for PCH12 (CLN HW and newer) Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-02mei: restrict dma ring support to hbm version 2.1Tomas Winkler4-0/+16
Only a firmware with version 2.1 and above supports dma ring feature. Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-02mei: hbm: introduce dma bit in the message headerTomas Winkler4-6/+16
Add dma_ring bit in the mei message header for conveying that the message data itself are on the dma ring. Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-02mei: hbm: define dma ring setup protocolTomas Winkler1-0/+49
The protocol defines how to setup an I/O ring on top of host memory to utilize the device DMA engine for faster transport. Three memory buffers are allocated. A Host circular buffer for from the Host to Device communication. A Device circular buffer for from Device to the Host communication. And finally a Control block where the pointers for the both circular buffers are managed. Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-02mei: add support for variable length mei headers.Tomas Winkler6-64/+102
Remove header size knowledge from me and txe hw layers, this requires to change the write handler to accept header and its length as well as data and its length. HBM messages are fixed to use basic header, hence we add mei_hbm2slots() that converts HBM message length and mei message header, while mei_data2slots() converts data length directly to the slots. Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-02uio: fix possible circular locking dependencyXiubo Li1-10/+6
The call trace: XXX/1910 is trying to acquire lock: (&mm->mmap_sem){++++++}, at: [<ffffffff97008c87>] might_fault+0x57/0xb0 but task is already holding lock: (&idev->info_lock){+.+...}, at: [<ffffffffc0638a06>] uio_write+0x46/0x130 [uio] which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 (&idev->info_lock){+.+...}: [<ffffffff96f31fc9>] lock_acquire+0x99/0x1e0 [<ffffffff975edad3>] mutex_lock_nested+0x93/0x410 [<ffffffffc063873d>] uio_mmap+0x2d/0x170 [uio] [<ffffffff97016b58>] mmap_region+0x428/0x650 [<ffffffff97017138>] do_mmap+0x3b8/0x4e0 [<ffffffff96ffaba3>] vm_mmap_pgoff+0xd3/0x120 [<ffffffff97015261>] SyS_mmap_pgoff+0x1f1/0x270 [<ffffffff96e387c2>] SyS_mmap+0x22/0x30 [<ffffffff975ff315>] system_call_fastpath+0x1c/0x21 -> #0 (&mm->mmap_sem){++++++}: [<ffffffff96f30e9c>] __lock_acquire+0xdac/0x15f0 [<ffffffff96f31fc9>] lock_acquire+0x99/0x1e0 [<ffffffff97008cb4>] might_fault+0x84/0xb0 [<ffffffffc0638a74>] uio_write+0xb4/0x130 [uio] [<ffffffff9706ffa3>] vfs_write+0xc3/0x1f0 [<ffffffff97070e2a>] SyS_write+0x8a/0x100 [<ffffffff975ff315>] system_call_fastpath+0x1c/0x21 other info that might help us debug this: Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&idev->info_lock); lock(&mm->mmap_sem); lock(&idev->info_lock); lock(&mm->mmap_sem); *** DEADLOCK *** 1 lock held by XXX/1910: #0: (&idev->info_lock){+.+...}, at: [<ffffffffc0638a06>] uio_write+0x46/0x130 [uio] stack backtrace: CPU: 0 PID: 1910 Comm: XXX Kdump: loaded Not tainted #1 Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 05/19/2017 Call Trace: [<ffffffff975e9211>] dump_stack+0x19/0x1b [<ffffffff975e260a>] print_circular_bug+0x1f9/0x207 [<ffffffff96f2f6a7>] check_prevs_add+0x957/0x960 [<ffffffff96f30e9c>] __lock_acquire+0xdac/0x15f0 [<ffffffff96f2fb19>] ? mark_held_locks+0xb9/0x140 [<ffffffff96f31fc9>] lock_acquire+0x99/0x1e0 [<ffffffff97008c87>] ? might_fault+0x57/0xb0 [<ffffffff97008cb4>] might_fault+0x84/0xb0 [<ffffffff97008c87>] ? might_fault+0x57/0xb0 [<ffffffffc0638a74>] uio_write+0xb4/0x130 [uio] [<ffffffff9706ffa3>] vfs_write+0xc3/0x1f0 [<ffffffff9709349c>] ? fget_light+0xfc/0x510 [<ffffffff97070e2a>] SyS_write+0x8a/0x100 [<ffffffff975ff315>] system_call_fastpath+0x1c/0x21 Signed-off-by: Xiubo Li <xiubli@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-02uio: pruss: fix error handling in probeDan Carpenter1-24/+45
There are two bugs here. First the error codes weren't set on several paths. And second, if the call to request_threaded_irq() inside uio_register_device() fails then it would lead to a double free when we call uio_unregister_device() inside pruss_cleanup(). Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-29Drivers: hv: vmbus: add numa_node to sysfsStephen Hemminger2-0/+24
Being able to find the numa_node for a device is useful for userspace drivers (DPDK) and also for diagnosing performance issues. This makes vmbus similar to pci. Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com> Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-29Drivers: hv: vmbus: Get rid of MSR access from vmbus_drv.cSunil Muthuswamy2-1/+4
Get rid of ISA specific code from vmus_drv.c which is common code. Fixes: 81b18bce48af ("Drivers: HV: Send one page worth of kmsg dump over Hyper-V during panic") Signed-off-by: Sunil Muthuswamy <sunilmut@microsoft.com> Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-29Drivers: hv: vmbus: Fix the issue with freeing up hv_ctl_table_hdrSunil Muthuswamy1-10/+4
The check to free the Hyper-V control table header was reversed. This fixes it. Fixes: 81b18bce48af ("Drivers: HV: Send one page worth of kmsg dump over Hyper-V during panic") Signed-off-by: Sunil Muthuswamy <sunilmut@microsoft.com> Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-29Drivers: hv: vmus: Fix the check for return value from kmsg get dump bufferSunil Muthuswamy1-7/+4
The code to support panic control message was checking the return was checking the return value from kmsg_dump_get_buffer as error value, which is not what the routine returns. This fixes it. Fixes: 81b18bce48af ("Drivers: HV: Send one page worth of kmsg dump over Hyper-V during panic") Signed-off-by: Sunil Muthuswamy <sunilmut@microsoft.com> Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-27fsi: Prevent multiple concurrent rescansBenjamin Herrenschmidt2-2/+16
The bus scanning process isn't terribly good at parallel attempts at rescanning the same bus. Let's have a per-master mutex protecting the scanning process. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2018-07-27fsi: Add cfam char devicesBenjamin Herrenschmidt1-51/+213
This aims to deprecate the "raw" sysfs file used for directly accessing the CFAM and instead use a char device like the other sub drivers. Since it reworks the slave creation code and adds a cfam device type, we also use the opportunity to convert the attributes to attribute groups and add a couple more. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2018-07-27fsi: scom: Convert to use the new chardevBenjamin Herrenschmidt1-50/+80
This converts FSI scom to use the new fsi-core controlled chardev allocator and use a real cdev instead of a miscdev. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2018-07-27fsi: sbefifo: Convert to use the new chardevBenjamin Herrenschmidt1-29/+55
This converts FSI sbefifo to use the new fsi-core controlled chardev allocator and use a real cdev instead of a miscdev. One side effect is to fix the object lifetime by removing the use of devm_kzalloc() for something that contains kobjects, and using proper reference counting. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2018-07-27fsi: Add new central chardev supportBenjamin Herrenschmidt3-3/+119
The various FSI devices (sbefifo, occ, scom, more to come) currently use misc devices. This is problematic as the minor device space for misc is limited and there can be a lot of them. Also it limits our ability to move them to a dedicated /dev/fsi directory or to be smart about device naming and numbering. It also means we have IDAs on every single of these drivers This creates a common fsi "device_type" for the optional /dev/fsi grouping and a dev_t allocator for all FSI devices. "Legacy" devices get to use a backward compatible numbering scheme (as long as chip id <16 and there's only one copy of a given unit type per chip). A single major number and a single IDA are shared for all FSI devices. This doesn't convert the FSI device drivers to use the new scheme yet, they will be converted individually. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2018-07-26fsi: master-ast-cf: Rename dump_trace() to avoid name collisionBenjamin Herrenschmidt1-5/+5
s390 defines a global dump_trace() symbol. Rename ours to dump_ucode_trace() to avoid a collision in build tests. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2018-07-26fsi: master-ast-cf: Fix memory leakGustavo A. R. Silva1-2/+4
In case memory resources for *fw* were allocated, release them before return. Addresses-Coverity-ID: 1472044 ("Resource leak") Fixes: 6a794a27daca ("fsi: master-ast-cf: Add new FSI master using Aspeed ColdFire") Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2018-07-25thunderbolt: Add support for runtime PMMika Westerberg7-20/+276
When Thunderbolt host controller is set to RTD3 mode (Runtime D3) it is present all the time. Because of this it is important to runtime suspend the controller whenever possible. In case of ICM we have following rules which all needs to be true before the host controller can be put to D3: - The controller firmware reports to support RTD3 - All the connected devices announce support for RTD3 - There is no active XDomain connection Implement this using standard Linux runtime PM APIs so that when all the children devices are runtime suspended, the Thunderbolt host controller PCI device is runtime suspended as well. The ICM firmware then starts powering down power domains towards RTD3 but it can prevent this if it detects that there is an active Display Port stream (this is not visible to the software, though). The Thunderbolt host controller will be runtime resumed either when there is a remote wake event (device is connected or disconnected), or when there is access from userspace that requires hardware access. Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-25thunderbolt: Remove redundant variable 'approved'Colin Ian King1-2/+0
Variable 'approved' is being assigned but is never used hence it is redundant and can be removed. Cleans up clang warning: warning: variable 'approved' set but not used [-Wunused-but-set-variable] Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-25thunderbolt: Use correct ICM commands in system suspendMika Westerberg1-5/+13
The correct way to put the ICM into suspend state is to send it NHI_MAILBOX_DRV_UNLOADS mailbox command. NHI_MAILBOX_SAVE_DEVS is not needed on Intel Titan Ridge so we can skip it. Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-25thunderbolt: No need to take tb->lock in domain suspend/completeMika Westerberg1-14/+1
If the connection manager implementation needs to touch the domain structures it ought to take the lock itself. Currently only ICM implements these hooks and it does not need the lock because we there will be no notifications before driver ready message is sent to it. Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-25thunderbolt: Do not unnecessarily call ICM get routeMika Westerberg1-9/+26
This command is not really fast and can make resume time slower. We only need to get route again if the link was changed and during initial device connected message. Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-25thunderbolt: Use 64-bit DMA mask if supported by the platformMika Westerberg1-0/+8
PCI defaults to 32-bit DMA mask but this device is capable of full 64-bit addressing, so make sure we first try 64-bit DMA mask before falling back to the default 32-bit. Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-25thunderbolt: Fix small typo in variable nameNathan Ciobanu1-1/+1
Fixes small variable name typo and the associated checkpatch spelling warning. Signed-off-by: Nathan Ciobanu <nathan.d.ciobanu@linux.intel.com> Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-25fsi: master-ast-cf: Mask unused bits in RTAG/RCRCBenjamin Herrenschmidt1-2/+2
Then reading the RTAG/RCRC "registers" from the coprocessor after a command is complete, mask out the top bits, only keep the relevant bits. Microcode v5 will leave garbage in those top bits as a result of a performance optimization. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> ---
2018-07-24android: binder: Include asm/cacheflush.h after linux/ include filesGuenter Roeck1-1/+3
If asm/cacheflush.h is included first, the following build warnings are seen with sparc32 builds. In file included from arch/sparc/include/asm/cacheflush.h:11:0, from drivers/android/binder.c:54: arch/sparc/include/asm/cacheflush_32.h:40:37: warning: 'struct page' declared inside parameter list will not be visible outside of this definition or declaration Moving the asm/ include after linux/ includes solves the problem. Suggested-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-24android: binder_alloc: Include asm/cacheflush.h after linux/ include filesGuenter Roeck1-1/+1
If asm/cacheflush.h is included first, the following build warnings are seen with sparc32 builds. In file included from ./arch/sparc/include/asm/cacheflush.h:11:0, from drivers/android/binder_alloc.c:20: ./arch/sparc/include/asm/cacheflush_32.h:40:37: warning: 'struct page' declared inside parameter list Moving the asm/ include after linux/ includes fixes the problem. Suggested-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-24mei: add mei_msg_hdr_init wrapper.Tomas Winkler2-15/+20
Wrap the mei header boilerplate initialization code in mei_msg_hdr_init function. On the way remove 'completed' field from mei_cl_cb structure as this information is already included in the header and is local to particular fragment. Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-24mei: move hbuf_depth from the mei device to the hw modulesTomas Winkler5-49/+58
The host buffer depth is hardware specific so it's better to handle it inside the me and txe hw modules. In me the depth is read from register in txe it's a constant number. The value is now retrieved via mei_hbuf_depth accessor, while it replaces mei_hbuf_max_len. Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-24mei: cleanup slots to data conversionsTomas Winkler4-12/+14
Cleanup conversions between slots and data. Define MEI_SLOT_SIZE instead of using 4 or sizeof(u32) across the source code. Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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