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2015-10-29mei: bus: set the device name before running fixupTomas Winkler1-4/+16
The mei bus fixup use dev_xxx services for printing to kernel log so we need to setup the device name prior to running fixup hooks. Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-29mei: bus: use correct lock orderingTomas Winkler1-5/+13
The correct lock order is cl_bus_lock device_lock me_clients_rwsem This order was violated in bus rescan and remove routines when me_client_rwsem was locked before cl_bus_lock. Chain exists of: [ 4.321653] &dev->device_lock --> &dev->me_clients_rwsem --> &dev->cl_bus_lock [ 4.321653] [ 4.321679] Possible unsafe locking scenario: [ 4.321679] [ 4.321693] CPU0 CPU1 [ 4.321701] ---- ---- [ 4.321709] lock(&dev->cl_bus_lock); [ 4.321720] lock(&dev->me_clients_rwsem); [ 4.321733] lock(&dev->cl_bus_lock); [ 4.321745] lock(&dev->device_lock); [ 4.321755] [ 4.321755] *** DEADLOCK *** [ 4.321755] Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-27mei: Fix debugfs filename in error outputAlexander Kuleshov1-1/+1
Signed-off-by: Alexander Kuleshov <kuleshovmail@gmail.com> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-24char: ipmi: ipmi_ssif: Replace timeval with timespec64Amitoj Kaur Chawla1-4/+5
This patch replaces timeval with timespec64 as 32 bit 'struct timeval' will not give current time beyond 2038. The patch changes the code to use ktime_get_real_ts64() which returns a 'struct timespec64' instead of do_gettimeofday() which returns a 'struct timeval' This patch also alters the format string in pr_info() for now.tv_sec to incorporate 'long long' on 32 bit architectures. Signed-off-by: Amitoj Kaur Chawla <amitoj1606@gmail.com> Reviewed-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-23fpga: zynq-fpga: Fix issue with drvdata being overwritten.Moritz Fischer1-3/+4
Upon registering a FPGA Manager low level driver, FPGA Manager core overwrites the platform drvdata pointer. Prior to this commit zynq-fpga falsely relied on this pointer to still be valid at remove() time. Reported-by: Alan Tull <atull@opensource.altera.com> Signed-off-by: Moritz Fischer <moritz.fischer@ettus.com> Acked-by: Alan Tull <atull@opensource.altera.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-23fpga manager: remove unnecessary null pointer checksAlan Tull1-8/+4
Remove unnecessary null pointer checks. We want the caller of these functions to do their own pointer checks. Add some comments to document this. Signed-off-by: Alan Tull <atull@opensource.altera.com> Reviewed-by: Moritz Fischer <moritz.fischer@ettus.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-23fpga manager: ensure lifetime with of_fpga_mgr_getAlan Tull1-15/+17
Ensure device and driver lifetime from of_fpga_mgr_get() to fpga_mgr_put(). * Don't put_device() in of_fpga_mgr_get, do it in fpga_mgr_put(). (still do put_device if there is an error). * Do module_get on the low level driver. * Don't need to module_get(THIS_MODULE) since we won't be allowed to unload the fpga manager core without unloading low level driver first. * Remove unnedessary null check for node pointer. Signed-off-by: Alan Tull <atull@opensource.altera.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-23fpga: zynq-fpga: Change fw format to handle bin instead of bit.Moritz Fischer1-22/+2
This gets rid of the code to strip away the header and byteswap, as well as the check for the sync word. Signed-off-by: Moritz Fischer <moritz.fischer@ettus.com> Reviewed-by: Josh Cartwright <joshc@ni.com> Acked-by: Michal Simek <michal.simek@xilinx.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-23fpga: zynq-fpga: Fix unbalanced clock handlingMoritz Fischer1-2/+2
This commit fixes the unbalanced clock handling, where a failed probe would leave the clock with an enable count of -1. Reported-by: Josh Cartwright <joshc@ni.com> Signed-off-by: Moritz Fischer <moritz.fischer@ettus.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-18misc: sram: partition base address belongs to __iomem spaceVladimir Zapolskiy1-3/+3
The change fixes a warning found by sparse: drivers/misc/sram.c:134:20: warning: incorrect type in assignment (different address spaces) drivers/misc/sram.c:134:20: expected void *base drivers/misc/sram.c:134:20: got void [noderef] <asn:2>* Signed-off-by: Vladimir Zapolskiy <vladimir_zapolskiy@mentor.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-17coresight: etm3x: adding documentation for sysFS's cpu interfaceMathieu Poirier1-0/+6
Supplementing ABI documentation with a description of the newly added interface. Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-17vme: 8-bit status/id takes 256 values, not 255Dmitry Kalinkin2-1/+6
Fixes an off by one array size. Signed-off-by: Dmitry Kalinkin <dmitry.kalinkin@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-17fpga manager: Adding FPGA Manager support for Xilinx Zynq 7000Moritz Fischer3-0/+539
This commit adds FPGA Manager support for the Xilinx Zynq chip. The code borrows some from the xdevcfg driver in Xilinx' vendor tree. Signed-off-by: Moritz Fischer <moritz.fischer@ettus.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-17ARM: zynq: dt: Updated devicetree for Zynq 7000 platform.Moritz Fischer1-0/+5
Added addtional nodes required for FPGA Manager operation of the Xilinx Zynq Devc configuration interface. Reviewed-by: Sören Brinkmann <soren.brinkmann@xilinx.com> Signed-off-by: Moritz Fischer <moritz.fischer@ettus.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>