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2018-10-26sparc64: Export __node_distance.David S. Miller1-0/+1
Some drivers reference it via node_distance(), for example the NVME host driver core. ERROR: "__node_distance" [drivers/nvme/host/nvme-core.ko] undefined! make[1]: *** [scripts/Makefile.modpost:92: __modpost] Error 1 Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-26sparc64: Make corrupted user stacks more debuggable.David Miller5-10/+37
Right now if we get a corrupted user stack frame we do a do_exit(SIGILL) which is not helpful. If under a debugger, this behavior causes the inferior process to exit. So the register and other state cannot be examined at the time of the event. Instead, conditionally log a rate limited kernel log message and then force a SIGSEGV. With bits and ideas borrowed (as usual) from powerpc. Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-26libata: Apply NOLPM quirk for SAMSUNG MZ7TD256HAFV-000L9Diego Viola1-0/+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>
2018-10-26ARM: dt: relicense two DT binding IRQ headersStephen Warren2-2/+2
Files in include/dt-bindings/ may be useful to any OS that uses DT, when building the OS binary itself, not just when building DTB files. Since some OSs are not GPL, they need non-GPL headers. This change relicenses two of the useful files so that they can be used under the MIT license when desired. I wrote these files and NVIDIA legal has approved this change. Geert also ack'd the change; he fixed some spelling issues in the comments. Cc: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Rob Herring <robh@kernel.org>
2018-10-26Revert "selftests/powerpc: Fix out-of-tree build errors"Michael Ellerman4-1/+6
This reverts commit d8a2fe29d3c97038c8efcc328d5e7940c5310565. That commit, by me, fixed the out of tree build errors by causing some of the tests not to build at all.
2018-10-25thermal: da9062/61: Prevent hardware access during system suspendGeert Uytterhoeven1-2/+2
The workqueue used for monitoring the hardware may run while the device is already suspended. Fix this by using the freezable system workqueue instead, cfr. commit 51e20d0e3a60cf46 ("thermal: Prevent polling from happening during system suspend"). Fixes: 608567aac3206ae8 ("thermal: da9062/61: Thermal junction temperature monitoring driver") Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Acked-by: Steve Twiss <stwiss.opensource@diasemi.com> Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
2018-10-25thermal: rcar_thermal: Prevent doing work after unbindGeert Uytterhoeven1-0/+1
When testing bind/unbind on r8a7791/koelsch: WARNING: CPU: 1 PID: 697 at lib/debugobjects.c:329 debug_print_object+0x8c/0xb4 ODEBUG: free active (active state 0) object type: timer_list hint: delayed_work_timer_fn+0x0/0x10 This happens if the workqueue runs after the device has been unbound. Fix this by cancelling any queued work during remove. Fixes: e0a5172e9eec7f0d ("thermal: rcar: add interrupt support") Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
2018-10-25thermal: rcar_thermal: Prevent hardware access during system suspendGeert Uytterhoeven1-2/+2
On r8a7791/koelsch, sometimes the following message is printed during system suspend: rcar_thermal e61f0000.thermal: thermal sensor was broken This happens if the workqueue runs while the device is already suspended. Fix this by using the freezable system workqueue instead, cfr. commit 51e20d0e3a60cf46 ("thermal: Prevent polling from happening during system suspend"). Fixes: e0a5172e9eec7f0d ("thermal: rcar: add interrupt support") Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
2018-10-25thermal: rcar_gen3_thermal: add R8A77980 supportSergei Shtylyov1-0/+1
Add the R-Car V3H (R8A77980) SoC support to the R-Car gen3 thermal driver. Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Reviewed-by: Simon Horman <horms+renesas@verge.net.au> Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
2018-10-25dt-bindings: thermal: rcar-gen3-thermal: document R8A77980 bindingsSergei Shtylyov1-1/+3
Document the R-Car V3H (R8A77980) SoC in the Renesas R-Car gen3 thermal bindings. Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Reviewed-by: Simon Horman <horms+renesas@verge.net.au> Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
2018-10-25thermal: add stm32 thermal driverDavid HERNANDEZ SANCHEZ5-2/+777
Add support for DTS thermal sensor that can be found on some STM32 platforms. This driver is based on OF and works in interrupt mode. It offers two temperature trip points: passive and critical. The first is intended for passive cooling notification while the second is used for over-temperature reset. Signed-off-by: David Hernandez Sanchez <david.hernandezsanchez@st.com> Signed-off-by: Eduardo Valentin <edubezval@gmail.com>