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Implement handling of 'enable' and 'disable' control commands coming
from control file descriptor.
Signed-off-by: Alexey Budankov <alexey.budankov@linux.intel.com>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lore.kernel.org/lkml/f0fde590-1320-dca1-39ff-da3322704d3b@linux.intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Extend -D,--delay option with -1 to start collection with events
disabled to be enabled later by 'enable' command provided via control
file descriptor.
Signed-off-by: Alexey Budankov <alexey.budankov@linux.intel.com>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lore.kernel.org/lkml/3e7d362c-7973-ee5d-e81e-c60ea22432c3@linux.intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Introduce --control fd:ctl-fd[,ack-fd] options to pass open file
descriptors numbers from command line. Extend perf-stat.txt file with
--control fd:ctl-fd[,ack-fd] options description. Document possible
usage model introduced by --control fd:ctl-fd[,ack-fd] options by
providing example bash shell script.
Signed-off-by: Alexey Budankov <alexey.budankov@linux.intel.com>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lore.kernel.org/lkml/feabd5cf-0155-fb0a-4587-c71571f2d517@linux.intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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mt76 driver had major conflicts within mt7615 directory. To make it easier for
every merge wireless-drivers to wireless-drivers-next and solve those
conflicts.
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git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm
Pull ARM cpufreq driver changes for v5.9-rc1 from Viresh Kumar:
"Here are the details:
- Adaptive voltage scaling (AVS) support and minor cleanups for
brcmstb driver (Florian Fainelli and Markus Mayer).
- A new tegra driver and cleanup for the existing one (Sumit Gupta and
Jon Hunter).
- Bandwidth level support for Qcom driver along with OPP changes (Sibi
Sankar).
- Cleanups to sti, cpufreq-dt, ap806, CPPC drivers (Viresh Kumar, Lee
Jones, Ivan Kokshaysky, Sven Auhagen, and Xin Hao).
- Make schedutil default governor for ARM (Valentin Schneider).
- Fix dependency issues for imx (Walter Lozano).
- Cleanup around cached_resolved_idx in cpufreq core (Viresh Kumar)."
* 'cpufreq/arm/linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm:
cpufreq: make schedutil the default for arm and arm64
cpufreq: cached_resolved_idx can not be negative
cpufreq: Add Tegra194 cpufreq driver
dt-bindings: arm: Add NVIDIA Tegra194 CPU Complex binding
cpufreq: imx: Select NVMEM_IMX_OCOTP
cpufreq: sti-cpufreq: Fix some formatting and misspelling issues
cpufreq: tegra186: Simplify probe return path
cpufreq: CPPC: Reuse caps variable in few routines
cpufreq: ap806: fix cpufreq driver needs ap cpu clk
cpufreq: cppc: Reorder code and remove apply_hisi_workaround variable
cpufreq: dt: fix oops on armada37xx
cpufreq: brcmstb-avs-cpufreq: send S2_ENTER / S2_EXIT commands to AVS
cpufreq: brcmstb-avs-cpufreq: Support polling AVS firmware
cpufreq: brcmstb-avs-cpufreq: more flexible interface for __issue_avs_command()
cpufreq: qcom: Disable fast switch when scaling DDR/L3
cpufreq: qcom: Update the bandwidth levels on frequency change
OPP: Add and export helper to set bandwidth
cpufreq: blacklist SC7180 in cpufreq-dt-platdev
cpufreq: blacklist SDM845 in cpufreq-dt-platdev
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The MSR_TURBO_RATIO_LIMIT can be 0. This is not an error. User can update
this MSR via BIOS settings on some systems or can use msr tools to update.
Also some systems boot with value = 0.
This results in display of cpufreq/cpuinfo_max_freq wrong. This value
will be equal to cpufreq/base_frequency, even though turbo is enabled.
But platform will still function normally in HWP mode as we get max
1-core frequency from the MSR_HWP_CAPABILITIES. This MSR is already used
to calculate cpu->pstate.turbo_freq, which is used for to set
policy->cpuinfo.max_freq. But some other places cpu->pstate.turbo_pstate
is used. For example to set policy->max.
To fix this, also update cpu->pstate.turbo_pstate when updating
cpu->pstate.turbo_freq.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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The kerneldoc comment of pm_runtime_get_if_active() doesn't list the
second argument of the function properly, so fix that and while at it
clarify that comment somewhat and add some markup to it.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Sakari Ailus <sakari.ailus@linux.intel.com>
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Add kerneldoc comments to multiple PM-runtime helper functions
defined as static inline wrappers around lower-level routines to
provide quick reference decumentation of their behavior.
Some of them are similar to each other with subtle differences only
and the behavior of some of them may appear as counter-intuitive, so
clarify all that to avoid confusion.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Reviewed-by: Sakari Ailus <sakari.ailus@linux.intel.com>
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Signed-off-by: Marius Iacob <themariusus@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20200801123445.1514567-1-themariusus@gmail.com
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Add LP (Low Power) PCH id for Cannon Lake (CNL) based platforms.
Signed-off-by: Sumeet Pawnikar <sumeet.r.pawnikar@intel.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/1596097503-27924-1-git-send-email-sumeet.r.pawnikar@intel.com
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Use SET_LATE_SYSTEM_SLEEP_PM_OPS in DSS submodules to force runtime PM
suspend and resume.
We use suspend late version so that omapdrm's system suspend callback is
called first, as that will disable all the display outputs after which
it's safe to force DSS into suspend.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200618095153.611071-1-tomi.valkeinen@ti.com
Acked-by: Tony Lindgren <tony@atomide.com>
Fixes: cef766300353 ("drm/omap: Prepare DSS for probing without legacy platform data")
Cc: stable@vger.kernel.org # v5.7+
Tested-by: Tony Lindgren <tony@atomide.com>
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The connector type for DISPC's DPI videoport was set the LVDS instead of
DPI. This causes any DPI panel setup to fail with tidss, making all DPI
panels unusable.
Fix this by using correct connector type.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Fixes: 32a1795f57eecc39749017 ("drm/tidss: New driver for TI Keystone platform Display SubSystem")
Cc: stable@vger.kernel.org # v5.7+
Link: https://patchwork.freedesktop.org/patch/msgid/20200604080214.107159-1-tomi.valkeinen@ti.com
Reviewed-by: Jyri Sarha <jsarha@ti.com>
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I did a few greps for main console data structures, and there's a few
places outside of drivers/video/console:
- a braille driver
- a sisusbvga driver
- fbcon, but I think that's fine if we leave that officially under
fbdev maintainership
- lots of stuff in drivers/tty/vt, which is already under Greg's
maintainership.
So I think this match gives reasonably useful Cc: lists for the files
and places I've tested.
Cc: dri-devel@lists.freedesktop.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Acked-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Link: https://lore.kernel.org/r/20200803141142.1606661-1-daniel.vetter@ffwll.ch
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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vgacon_scrollback_update() always leaves enbough room in the scrollback
buffer for the next call, but if the console size changed that room
might not actually be enough, and so we need to re-check.
The check should be in the loop since vgacon_scrollback_cur->tail is
updated in the loop and count may be more than 1 when triggered by CSI M,
as Jiri's PoC:
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/ioctl.h>
#include <fcntl.h>
int main(int argc, char** argv)
{
int fd = open("/dev/tty1", O_RDWR);
unsigned short size[3] = {25, 200, 0};
ioctl(fd, 0x5609, size); // VT_RESIZE
write(fd, "\e[1;1H", 6);
for (int i = 0; i < 30; i++)
write(fd, "\e[10M", 5);
}
It leads to various crashes as vgacon_scrollback_update writes out of
the buffer:
BUG: unable to handle page fault for address: ffffc900001752a0
#PF: supervisor write access in kernel mode
#PF: error_code(0x0002) - not-present page
RIP: 0010:mutex_unlock+0x13/0x30
...
Call Trace:
n_tty_write+0x1a0/0x4d0
tty_write+0x1a0/0x2e0
Or to KASAN reports:
BUG: KASAN: slab-out-of-bounds in vgacon_scroll+0x57a/0x8ed
This fixes CVE-2020-14331.
Reported-by: 张云海 <zhangyunhai@nsfocus.com>
Reported-by: Yang Yingliang <yangyingliang@huawei.com>
Reported-by: Kyungtae Kim <kt0755@gmail.com>
Fixes: 15bdab959c9b ([PATCH] vgacon: Add support for soft scrollback)
Cc: stable@vger.kernel.org
Cc: linux-fbdev@vger.kernel.org
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Solar Designer <solar@openwall.com>
Cc: "Srivatsa S. Bhat" <srivatsa@csail.mit.edu>
Cc: Anthony Liguori <aliguori@amazon.com>
Cc: Yang Yingliang <yangyingliang@huawei.com>
Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Cc: Jiri Slaby <jirislaby@kernel.org>
Signed-off-by: Yunhai Zhang <zhangyunhai@nsfocus.com>
Link: https://lore.kernel.org/r/9fb43895-ca91-9b07-ebfd-808cf854ca95@nsfocus.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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James Hogan has become inactive for a long time and leaves KVM for MIPS
orphan. I'm working on KVM/Loongson and attempt to make it upstream both
in kernel and QEMU, while Aleksandar Markovic is already a maintainer of
QEMU/MIPS. We are both interested in QEMU/KVM/MIPS, and we have already
made some contributions in kernel and QEMU. If possible, we want to take
the KVM/MIPS maintainership.
Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Reviewed-by: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>
Signed-off-by: Huacai Chen <chenhc@lemote.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
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Update Loongson-3's default config file:
1, Adjust NR_CPUS to 16;
2, Add a built-in cmdline "ieee754=relaxed";
3, Enable MSA, CGROUPS, NAMESPACES, KVM, and XFS support;
4, Enable all possible virtio drivers to support KVM Host/Guest;
5, Enable all necessary netfilter modules to support virtual network;
Signed-off-by: Huacai Chen <chenhc@lemote.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
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Loongson-3 KVM guest is based on virtio, it use liointc as its interrupt
controller and use GPEX as the pci controller.
Signed-off-by: Huacai Chen <chenhc@lemote.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
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Document loongson64v-4core-virtio, a virtio based kvm guest board for
Loongson-3.
Signed-off-by: Huacai Chen <chenhc@lemote.com>
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
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The addition of percpu.h to the list of includes in random.h revealed
some circular dependencies on arm64 and possibly other platforms. This
include was added solely for the pseudo-random definitions, which have
nothing to do with the rest of the definitions in this file but are
still there for legacy reasons.
This patch moves the pseudo-random parts to linux/prandom.h and the
percpu.h include with it, which is now guarded by _LINUX_PRANDOM_H and
protected against recursive inclusion.
A further cleanup step would be to remove this from <linux/random.h>
entirely, and make people who use the prandom infrastructure include
just the new header file. That's a bit of a churn patch, but grepping
for "prandom_" and "next_pseudo_random32" "struct rnd_state" should
catch most users.
But it turns out that that nice cleanup step is fairly painful, because
a _lot_ of code currently seems to depend on the implicit include of
<linux/random.h>, which can currently come in a lot of ways, including
such fairly core headfers as <linux/net.h>.
So the "nice cleanup" part may or may never happen.
Fixes: 1c9df907da83 ("random: fix circular include dependency on arm64 after addition of percpu.h")
Tested-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The dock sold from startech (PID: ICUSBAUDIO7D) has no friendly name
and shows up currently as "USB Sound Device" in ALSA.
Signed-off-by: Curtis Malainey <cujomalainey@chromium.org>
Link: https://lore.kernel.org/r/20200804010616.3399256-1-cujomalainey@chromium.org
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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dma_cache_maint is getting called passing a dma address which could be
different from a physical address.
Add a struct device* parameter to dma_cache_maint.
Translate the dma_addr_t parameter of dma_cache_maint by calling
dma_to_phys. Do it for the first page and all the following pages, in
case of multipage handling.
Signed-off-by: Stefano Stabellini <stefano.stabellini@xilinx.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Tested-by: Corey Minyard <cminyard@mvista.com>
Tested-by: Roman Shaposhnik <roman@zededa.com>
Link: https://lore.kernel.org/r/20200710223427.6897-11-sstabellini@kernel.org
Signed-off-by: Juergen Gross <jgross@suse.com>
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xen_dma_sync_for_cpu, xen_dma_sync_for_device, xen_arch_need_swiotlb are
getting called passing dma addresses. On some platforms dma addresses
could be different from physical addresses. Before doing any operations
on these addresses we need to convert them back to physical addresses
using dma_to_phys.
Move the arch_sync_dma_for_cpu and arch_sync_dma_for_device calls from
xen_dma_sync_for_cpu/device to swiotlb-xen.c, and add a call dma_to_phys
to do address translations there.
dma_cache_maint is fixed by the next patch.
Signed-off-by: Stefano Stabellini <stefano.stabellini@xilinx.com>
Tested-by: Corey Minyard <cminyard@mvista.com>
Tested-by: Roman Shaposhnik <roman@zededa.com>
Acked-by: Juergen Gross <jgross@suse.com>
Link: https://lore.kernel.org/r/20200710223427.6897-10-sstabellini@kernel.org
Signed-off-by: Juergen Gross <jgross@suse.com>
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With some devices physical addresses are different than dma addresses.
To be able to deal with these cases, we need to call phys_to_dma on
physical addresses (including machine addresses in Xen terminology)
before returning them from xen_swiotlb_alloc_coherent and
xen_swiotlb_map_page.
We also need to convert dma addresses back to physical addresses using
dma_to_phys in xen_swiotlb_free_coherent and xen_swiotlb_unmap_page if
we want to do any operations on them.
Call dma_to_phys in is_xen_swiotlb_buffer.
Introduce xen_phys_to_dma and call phys_to_dma in its implementation.
Introduce xen_dma_to_phys and call dma_to_phys in its implementation.
Call xen_phys_to_dma/xen_dma_to_phys instead of
xen_phys_to_bus/xen_bus_to_phys through swiotlb-xen.c.
Everything is taken care of by these changes except for
xen_swiotlb_alloc_coherent and xen_swiotlb_free_coherent, which need a
few explicit phys_to_dma/dma_to_phys calls.
Signed-off-by: Stefano Stabellini <stefano.stabellini@xilinx.com>
Tested-by: Corey Minyard <cminyard@mvista.com>
Tested-by: Roman Shaposhnik <roman@zededa.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Link: https://lore.kernel.org/r/20200710223427.6897-9-sstabellini@kernel.org
Signed-off-by: Juergen Gross <jgross@suse.com>
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XEN_PFN_PHYS is only used in one place in swiotlb-xen making things more
complex than need to be.
Remove the definition of XEN_PFN_PHYS and open code the cast in the one
place where it is needed.
Signed-off-by: Stefano Stabellini <stefano.stabellini@xilinx.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Link: https://lore.kernel.org/r/20200710223427.6897-8-sstabellini@kernel.org
Signed-off-by: Juergen Gross <jgross@suse.com>
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No functional changes. The parameter is unused in this patch but will be
used by next patches.
Signed-off-by: Stefano Stabellini <stefano.stabellini@xilinx.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Tested-by: Corey Minyard <cminyard@mvista.com>
Tested-by: Roman Shaposhnik <roman@zededa.com>
Link: https://lore.kernel.org/r/20200710223427.6897-7-sstabellini@kernel.org
Signed-off-by: Juergen Gross <jgross@suse.com>
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No functional changes. The parameter is unused in this patch but will be
used by next patches.
Signed-off-by: Stefano Stabellini <stefano.stabellini@xilinx.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Tested-by: Corey Minyard <cminyard@mvista.com>
Tested-by: Roman Shaposhnik <roman@zededa.com>
Link: https://lore.kernel.org/r/20200710223427.6897-6-sstabellini@kernel.org
Signed-off-by: Juergen Gross <jgross@suse.com>
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No functional changes. The parameter is unused in this patch but will be
used by next patches.
Signed-off-by: Stefano Stabellini <stefano.stabellini@xilinx.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Tested-by: Corey Minyard <cminyard@mvista.com>
Tested-by: Roman Shaposhnik <roman@zededa.com>
Link: https://lore.kernel.org/r/20200710223427.6897-5-sstabellini@kernel.org
Signed-off-by: Juergen Gross <jgross@suse.com>
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No functional changes. The parameter is unused in this patch but will be
used by next patches.
Signed-off-by: Stefano Stabellini <stefano.stabellini@xilinx.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Tested-by: Corey Minyard <cminyard@mvista.com>
Tested-by: Roman Shaposhnik <roman@zededa.com>
Link: https://lore.kernel.org/r/20200710223427.6897-4-sstabellini@kernel.org
Signed-off-by: Juergen Gross <jgross@suse.com>
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No functional changes. The parameter is unused in this patch but will be
used by next patches.
Signed-off-by: Stefano Stabellini <stefano.stabellini@xilinx.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Tested-by: Corey Minyard <cminyard@mvista.com>
Tested-by: Roman Shaposhnik <roman@zededa.com>
Link: https://lore.kernel.org/r/20200710223427.6897-3-sstabellini@kernel.org
Signed-off-by: Juergen Gross <jgross@suse.com>
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It is not strictly needed. Call virt_to_phys on xen_io_tlb_start
instead. It will be useful not to have a start_dma_addr around with the
next patches.
Note that virt_to_phys is not the same as xen_virt_to_bus but actually
it is used to compared again __pa(xen_io_tlb_start) as passed to
swiotlb_init_with_tbl, so virt_to_phys is actually what we want.
Signed-off-by: Stefano Stabellini <stefano.stabellini@xilinx.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Tested-by: Corey Minyard <cminyard@mvista.com>
Tested-by: Roman Shaposhnik <roman@zededa.com>
Link: https://lore.kernel.org/r/20200710223427.6897-2-sstabellini@kernel.org
Signed-off-by: Juergen Gross <jgross@suse.com>
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xen_alloc_coherent_pages might return pages for which virt_to_phys and
virt_to_page don't work, e.g. ioremap'ed pages.
So in xen_swiotlb_free_coherent we can't assume that virt_to_page works.
Instead add a is_vmalloc_addr check and use vmalloc_to_page on vmalloc
virt addresses.
This patch fixes the following crash at boot on RPi4 (the underlying
issue is not RPi4 specific):
https://marc.info/?l=xen-devel&m=158862573216800
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: Stefano Stabellini <stefano.stabellini@xilinx.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Tested-by: Corey Minyard <cminyard@mvista.com>
Tested-by: Roman Shaposhnik <roman@zededa.com>
Link: https://lore.kernel.org/r/20200710223427.6897-1-sstabellini@kernel.org
Signed-off-by: Juergen Gross <jgross@suse.com>
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syzbot is reporting OOB read bug in vc_do_resize() [1] caused by memcpy()
based on outdated old_{rows,row_size} values, for resize_screen() can
recurse into vc_do_resize() which changes vc->vc_{cols,rows} that outdates
old_{rows,row_size} values which were saved before calling resize_screen().
Daniel Vetter explained that resize_screen() should not recurse into
fbcon_update_vcs() path due to FBINFO_MISC_USEREVENT being still set
when calling resize_screen().
Instead of masking FBINFO_MISC_USEREVENT before calling fbcon_update_vcs(),
we can remove FBINFO_MISC_USEREVENT by calling fbcon_update_vcs() only if
fb_set_var() returned 0. This change assumes that it is harmless to call
fbcon_update_vcs() when fb_set_var() returned 0 without reaching
fb_notifier_call_chain().
[1] https://syzkaller.appspot.com/bug?id=c70c88cfd16dcf6e1d3c7f0ab8648b3144b5b25e
Reported-and-tested-by: syzbot <syzbot+c37a14770d51a085a520@syzkaller.appspotmail.com>
Suggested-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Reported-by: kernel test robot <lkp@intel.com> for missing #include
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/075b7e37-3278-cd7d-31ab-c5073cfa8e92@i-love.sakura.ne.jp
|
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Do success callback in channel when shutdown. For those task not finish,
callback with error code thus client has chance to cleanup or reset.
Signed-off-by: Dennis YC Hsieh <dennis-yc.hsieh@mediatek.com>
Reviewed-by: CK Hu <ck.hu@mediatek.com>
Reviewed-by: Bibby Hsieh <bibby.hsieh@mediatek.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
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Add gce v4 hardware support with different thread number and shift.
Signed-off-by: Dennis YC Hsieh <dennis-yc.hsieh@mediatek.com>
Reviewed-by: CK Hu <ck.hu@mediatek.com>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Reviewed-by: Bibby Hsieh <bibby.hsieh@mediatek.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
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Some gce hardware shift pc and end address in register to support
large dram addressing.
Implement gce address shift when write or read pc and end register.
And add shift bit in platform definition.
Signed-off-by: Dennis YC Hsieh <dennis-yc.hsieh@mediatek.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
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Add documentation for the mt6779 gce.
Add gce header file defined the gce hardware event,
subsys number and constant for mt6779.
Signed-off-by: Dennis YC Hsieh <dennis-yc.hsieh@mediatek.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: CK Hu <ck.hu@mediatek.com>
Reviewed-by: Bibby Hsieh <bibby.hsieh@mediatek.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
|
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MSM8994 has an APCS block similar to 8916, but
with a different clock driver due to the former
one having 2 clusters.
Signed-off-by: Konrad Dybcio <konradybcio@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
|
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The Qualcomm SDM660 platform has a APCS HMSS GLOBAL block, add the
compatible for this.
Signed-off-by: Konrad Dybcio <konradybcio@gmail.com>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
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When CONFIG_PM and CONFIG_PM_SLEEP are unset, the following warnings
occur:
drivers/mailbox/imx-mailbox.c:638:12: warning: 'imx_mu_runtime_resume'
defined but not used [-Wunused-function]
638 | static int imx_mu_runtime_resume(struct device *dev)
| ^~~~~~~~~~~~~~~~~~~~~
drivers/mailbox/imx-mailbox.c:629:12: warning: 'imx_mu_runtime_suspend'
defined but not used [-Wunused-function]
629 | static int imx_mu_runtime_suspend(struct device *dev)
| ^~~~~~~~~~~~~~~~~~~~~~
drivers/mailbox/imx-mailbox.c:611:12: warning: 'imx_mu_resume_noirq'
defined but not used [-Wunused-function]
611 | static int imx_mu_resume_noirq(struct device *dev)
| ^~~~~~~~~~~~~~~~~~~
drivers/mailbox/imx-mailbox.c:601:12: warning: 'imx_mu_suspend_noirq'
defined but not used [-Wunused-function]
601 | static int imx_mu_suspend_noirq(struct device *dev)
| ^~~~~~~~~~~~~~~~~~~~
Mark these functions as __maybe_unused, which is the standard procedure
for PM functions.
Fixes: bb2b2624dbe2 ("mailbox: imx: Add runtime PM callback to handle MU clocks")
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Reviewed-by: Dong Aisheng <aisheng.dong@nxp.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
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The acpi_get_table() should be coupled with acpi_put_table() if
the mapped table is not used at runtime to release the table
mapping.
In acpi_pcc_probe(), the PCCT table entries will be used as private
data for communication chan at runtime, but the table should be put
for error path.
Signed-off-by: Hanjun Guo <guohanjun@huawei.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
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Rationale:
Reduces attack surface on kernel devs opening the links for MITM
as HTTPS traffic is much harder to manipulate.
Deterministic algorithm:
For each file:
If not .svg:
For each line:
If doesn't contain `\bxmlns\b`:
For each link, `\bhttp://[^# \t\r\n]*(?:\w|/)`:
If neither `\bgnu\.org/license`, nor `\bmozilla\.org/MPL\b`:
If both the HTTP and HTTPS versions
return 200 OK and serve the same content:
Replace HTTP with HTTPS.
Signed-off-by: Alexander A. Klimov <grandmaster@al2klimov.de>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
|
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This is to avoid sleep() in the waiter thread.
[ 20.157753] ------------[ cut here ]------------
[ 20.158393] do not call blocking ops when !TASK_RUNNING; state=2 set at [<0000000096354225>] prepare_to_wait+0xcd/0x430
[ 20.159858] WARNING: CPU: 1 PID: 1152 at kernel/sched/core.c:7142 __might_sleep+0x149/0x1a0
...
[ 20.176110] __submit_merged_write_cond+0x191/0x310
[ 20.176739] f2fs_submit_merged_write+0x18/0x20
[ 20.177323] f2fs_wait_on_all_pages+0x269/0x2d0
[ 20.177899] ? block_operations+0x980/0x980
[ 20.178441] ? __kasan_check_read+0x11/0x20
[ 20.178975] ? finish_wait+0x260/0x260
[ 20.179488] ? percpu_counter_set+0x147/0x230
[ 20.180049] do_checkpoint+0x1757/0x2a50
[ 20.180558] f2fs_write_checkpoint+0x840/0xaf0
[ 20.181126] f2fs_sync_fs+0x287/0x4a0
Reported-by: Eric Biggers <ebiggers@kernel.org>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
|
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On big-endian architectures like OpenRISC, sparse outputs below warnings on
asm-generic/io.h. This is due to io statements like:
__raw_writel(cpu_to_le32(value), PCI_IOBASE + addr);
The __raw_writel() function expects native endianness, however
cpu_to_le32() returns __le32. On little-endian machines these match up
and there is no issue. However, on big-endian we get warnings, for IO
that is defined as little-endian the mismatch is expected.
The fix I propose is to __force to native endian.
Warnings:
./include/asm-generic/io.h:166:15: warning: cast to restricted __le16
./include/asm-generic/io.h:166:15: warning: cast to restricted __le16
./include/asm-generic/io.h:166:15: warning: cast to restricted __le16
./include/asm-generic/io.h:166:15: warning: cast to restricted __le16
./include/asm-generic/io.h:179:15: warning: cast to restricted __le32
./include/asm-generic/io.h:179:15: warning: cast to restricted __le32
./include/asm-generic/io.h:179:15: warning: cast to restricted __le32
./include/asm-generic/io.h:179:15: warning: cast to restricted __le32
./include/asm-generic/io.h:179:15: warning: cast to restricted __le32
./include/asm-generic/io.h:179:15: warning: cast to restricted __le32
./include/asm-generic/io.h:215:22: warning: incorrect type in argument 1 (different base types)
./include/asm-generic/io.h:215:22: expected unsigned short [usertype] value
./include/asm-generic/io.h:215:22: got restricted __le16 [usertype]
./include/asm-generic/io.h:225:22: warning: incorrect type in argument 1 (different base types)
./include/asm-generic/io.h:225:22: expected unsigned int [usertype] value
./include/asm-generic/io.h:225:22: got restricted __le32 [usertype]
Signed-off-by: Stafford Horne <shorne@gmail.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI updates from Rafael Wysocki:
"These eliminate significant AML processing overhead related to using
operation regions in system memory, update the ACPICA code in the
kernel to upstream revision 20200717 (including a fix to prevent
operation region reference counts from overflowing in some cases),
remove the last bits of the (long deprecated) ACPI procfs interface
and do some assorted cleanups.
Specifics:
- Eliminate significant AML processing overhead related to using
operation regions in system memory by reworking the management of
memory mappings in the ACPI code to defer unmap operations (to do
them outside of the ACPICA locks, among other things) and making
the memory operation reagion handler avoid releasing memory
mappings created by it too early (Rafael Wysocki).
- Update the ACPICA code in the kernel to upstream revision 20200717:
* Prevent operation region reference counts from overflowing in
some cases (Erik Kaneda).
* Replace one-element array with flexible-array (Gustavo A. R.
Silva).
- Fix ACPI PCI hotplug reference counting (Rafael Wysocki).
- Drop last bits of the ACPI procfs interface (Thomas Renninger).
- Drop some redundant checks from the code parsing ACPI tables
related to NUMA (Hanjun Guo).
- Avoid redundant object evaluation in the ACPI device properties
handling code (Heikki Krogerus).
- Avoid unecessary memory overhead related to storing the signatures
of the ACPI tables recognized by the kernel (Ard Biesheuvel).
- Add missing newline characters when printing module parameter
values in some places (Xiongfeng Wang).
- Update the link to the ACPI specifications in some places (Tiezhu
Yang).
- Use the fallthrough pseudo-keyword in the ACPI code (Gustavo A. R.
Silva).
- Drop redundant variable initialization from the APEI code (Colin
Ian King).
- Drop uninitialized_var() from the ACPI PAD driver (Jason Yan).
- Replace HTTP links with HTTPS ones in the ACPI code (Alexander A.
Klimov)"
* tag 'acpi-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (22 commits)
ACPI: APEI: remove redundant assignment to variable rc
ACPI: NUMA: Remove the useless 'node >= MAX_NUMNODES' check
ACPI: NUMA: Remove the useless sub table pointer check
ACPI: tables: Remove the duplicated checks for acpi_parse_entries_array()
ACPICA: Update version to 20200717
ACPICA: Do not increment operation_region reference counts for field units
ACPICA: Replace one-element array with flexible-array
ACPI: Replace HTTP links with HTTPS ones
ACPI: Use valid link to the ACPI specification
ACPI: OSL: Clean up the removal of unused memory mappings
ACPI: OSL: Use deferred unmapping in acpi_os_unmap_iomem()
ACPI: OSL: Use deferred unmapping in acpi_os_unmap_generic_address()
ACPICA: Preserve memory opregion mappings
ACPI: OSL: Implement deferred unmapping of ACPI memory
ACPI: Use fallthrough pseudo-keyword
PCI: hotplug: ACPI: Fix context refcounting in acpiphp_grab_context()
ACPI: tables: avoid relocations for table signature array
ACPI: PAD: Eliminate usage of uninitialized_var() macro
ACPI: sysfs: add newlines when printing module parameters
ACPI: EC: add newline when printing 'ec_event_clearing' module parameter
...
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management updates from Rafael Wysocki:
"The most significant change here is the extension of the Energy Model
to cover non-CPU devices (as well as CPUs) from Lukasz Luba.
There is also some new hardware support (Ice Lake server idle states
table for intel_idle, Sapphire Rapids and Power Limit 4 support in the
RAPL driver), some new functionality in the existing drivers (eg. a
new switch to disable/enable CPU energy-efficiency optimizations in
intel_pstate, delayed timers in devfreq), some assorted fixes (cpufreq
core, intel_pstate, intel_idle) and cleanups (eg. cpuidle-psci,
devfreq), including the elimination of W=1 build warnings from cpufreq
done by Lee Jones.
Specifics:
- Make the Energy Model cover non-CPU devices (Lukasz Luba).
- Add Ice Lake server idle states table to the intel_idle driver and
eliminate a redundant static variable from it (Chen Yu, Rafael
Wysocki).
- Eliminate all W=1 build warnings from cpufreq (Lee Jones).
- Add support for Sapphire Rapids and for Power Limit 4 to the Intel
RAPL power capping driver (Sumeet Pawnikar, Zhang Rui).
- Fix function name in kerneldoc comments in the idle_inject power
capping driver (Yangtao Li).
- Fix locking issues with cpufreq governors and drop a redundant
"weak" function definition from cpufreq (Viresh Kumar).
- Rearrange cpufreq to register non-modular governors at the
core_initcall level and allow the default cpufreq governor to be
specified in the kernel command line (Quentin Perret).
- Extend, fix and clean up the intel_pstate driver (Srinivas
Pandruvada, Rafael Wysocki):
* Add a new sysfs attribute for disabling/enabling CPU
energy-efficiency optimizations in the processor.
* Make the driver avoid enabling HWP if EPP is not supported.
* Allow the driver to handle numeric EPP values in the sysfs
interface and fix the setting of EPP via sysfs in the active
mode.
* Eliminate a static checker warning and clean up a kerneldoc
comment.
- Clean up some variable declarations in the powernv cpufreq driver
(Wei Yongjun).
- Fix up the ->enter_s2idle callback definition to cover the case
when it points to the same function as ->idle correctly (Neal Liu).
- Rearrange and clean up the PSCI cpuidle driver (Ulf Hansson).
- Make the PM core emit "changed" uevent when adding/removing the
"wakeup" sysfs attribute of devices (Abhishek Pandit-Subedi).
- Add a helper macro for declaring PM callbacks and use it in the MMC
jz4740 driver (Paul Cercueil).
- Fix white space in some places in the hibernate code and make the
system-wide PM code use "const char *" where appropriate (Xiang
Chen, Alexey Dobriyan).
- Add one more "unsafe" helper macro to the freezer to cover the NFS
use case (He Zhe).
- Change the language in the generic PM domains framework to use
parent/child terminology and clean up a typo and some comment
fromatting in that code (Kees Cook, Geert Uytterhoeven).
- Update the operating performance points OPP framework (Lukasz Luba,
Andrew-sh.Cheng, Valdis Kletnieks):
* Refactor dev_pm_opp_of_register_em() and update related drivers.
* Add a missing function export.
* Allow disabled OPPs in dev_pm_opp_get_freq().
- Update devfreq core and drivers (Chanwoo Choi, Lukasz Luba, Enric
Balletbo i Serra, Dmitry Osipenko, Kieran Bingham, Marc Zyngier):
* Add support for delayed timers to the devfreq core and make the
Samsung exynos5422-dmc driver use it.
* Unify sysfs interface to use "df-" as a prefix in instance
names consistently.
* Fix devfreq_summary debugfs node indentation.
* Add the rockchip,pmu phandle to the rk3399_dmc driver DT
bindings.
* List Dmitry Osipenko as the Tegra devfreq driver maintainer.
* Fix typos in the core devfreq code.
- Update the pm-graph utility to version 5.7 including a number of
fixes related to suspend-to-idle (Todd Brandt).
- Fix coccicheck errors and warnings in the cpupower utility (Shuah
Khan).
- Replace HTTP links with HTTPs ones in multiple places (Alexander A.
Klimov)"
* tag 'pm-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (71 commits)
cpuidle: ACPI: fix 'return' with no value build warning
cpufreq: intel_pstate: Fix EPP setting via sysfs in active mode
cpufreq: intel_pstate: Rearrange the storing of new EPP values
intel_idle: Customize IceLake server support
PM / devfreq: Fix the wrong end with semicolon
PM / devfreq: Fix indentaion of devfreq_summary debugfs node
PM / devfreq: Clean up the devfreq instance name in sysfs attr
memory: samsung: exynos5422-dmc: Add module param to control IRQ mode
memory: samsung: exynos5422-dmc: Adjust polling interval and uptreshold
memory: samsung: exynos5422-dmc: Use delayed timer as default
PM / devfreq: Add support delayed timer for polling mode
dt-bindings: devfreq: rk3399_dmc: Add rockchip,pmu phandle
PM / devfreq: tegra: Add Dmitry as a maintainer
PM / devfreq: event: Fix trivial spelling
PM / devfreq: rk3399_dmc: Fix kernel oops when rockchip,pmu is absent
cpuidle: change enter_s2idle() prototype
cpuidle: psci: Prevent domain idlestates until consumers are ready
cpuidle: psci: Convert PM domain to platform driver
cpuidle: psci: Fix error path via converting to a platform driver
cpuidle: psci: Fail cpuidle registration if set OSI mode failed
...
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap
Pull regmap updates from Mark Brown:
"This release we've seen a couple of updates to make some DT based APIs
use fwnode instead, allowing their use with ACPI systems, and a few
cleanups"
* tag 'regmap-v5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
regmap: fix duplicated word in <linux/regmap.h>
regmap: Switch to use fwnode instead of OF one
regmap-irq: use fwnode instead of device node in add_irq_chip()
regmap: remove stray space
regmap: convert all regmap_update_bits() and co. macros to static inlines
|
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi updates from Mark Brown:
"A fairly quiet release for SPI, nothing really going on in the core
although there's been quite a bit of driver related activity.
This includes the addition of some shared code in drivers/memory for
the Renesas RPC-IF which is used by a newly added SPI driver, the
memory subsystem doesn't seem to have a fixed maintainer at the minute
and this seemed like the most sensible way to get that hardware
supported.
- Quite a few cleanups and optimizations for the Altera, Qualcomm
GENI, sun6i and lantiq drivers.
- Several more GPIO descriptor conversions.
- Move the Cadence QuadSPI driver from drivers/mtd to drivers/spi.
- New support for Mediatek MT8192 and Renesas RPC-IF, R8A7742 and
R8A774e1"
* tag 'spi-v5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (119 commits)
dt-bindings: lpspi: New property in document DT bindings for LPSPI
spi: lpspi: fix using CS discontinuously on i.MX8DXLEVK
spi: lpspi: remove unused fsl_lpspi->chipselect
spi: lpspi: Fix kernel warning dump when probe fail after calling spi_register
spi: rockchip: Fix error in SPI slave pio read
spi: rockchip: Support 64-location deep FIFOs
spi: rockchip: Config spi rx dma burst size depend on xfer length
spi: spi-topcliff-pch: drop call to wakeup-disable
spi: spidev: Align buffers for DMA
spi: correct kernel-doc inconsistency
spi: sun4i: update max transfer size reported
spi: imx: enable runtime pm support
spi: update bindings for MT8192 SoC
spi: mediatek: add spi support for mt8192 IC
spi: Add bindings for Lightning Mountain SoC
spi: lantiq: Add support to Lightning Mountain SoC
spi: lantiq: Move interrupt configuration to SoC specific data structure
spi: lantiq: Add fifo size bit mask in SoC specific data structure
spi: lantiq: Add support to acknowledge interrupt
spi: lantiq: Move interrupt control register offesets to SoC specific data structure
...
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator updates from Mark Brown:
"This time around the bulk of the work on the regulator API has been
cleanups of various kinds, partly but not entirely inspired by the W=1
stuff that 0day turned on.
There's also been a fairly large crop of new drivers, and a few
bugfixes for existing drivers.
- Mode setting support for MT6397 and DA9211.
- New drivers for ChromeOS embedded controllers, Fairchild FAN53880,
NXP PCA9450, Qualcomm LABIBB, MP5496, and VBUS booster, and Silergy
SY8827N"
* tag 'regulator-v5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (67 commits)
regulator: add the sub node names for the MP5496 PMIC
regulator: cros-ec-regulator: Fix double free of desc->name.
platform/chrome: cros_ec: Fix host command for regulator control.
regulator: pca9450: Convert to use module_i2c_driver
regulator: fix memory leak on error path of regulator_register()
regulator: Replace HTTP links with HTTPS ones
regulator: convert QCOM SMD-RPM regulator document to YAML schema
regulator: gpio: Honor regulator-boot-on property
regulator: core: Add destroy_regulator()
regulator: Correct kernel-doc inconsistency
regulator: Add labibb regulator binding
regulator: qcom: Add labibb driver
regulator: Allow regulators to verify enabled during enable()
regulator: cros-ec: Constify cros_ec_regulator_voltage_ops
regulator: devres: Standardise on function documentation headers
regulator: of_regulator: Add missing colon for rdev kerneldoc argument
regulator: devres: Fix issues with kerneldoc headers
regulator: fan53880: Add support for COMPILE_TEST
regulator: fan53880: Add missing .owner field in regulator_desc
dt-bindings: regulator: add pca9450 regulator yaml
...
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|
git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras
Pull EDAC updates from Tony Luck:
"Boris is on vacation and aske me to send you the EDAC changes"
* tag 'edac_updates_for_5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras:
EDAC: Fix reference count leaks
EDAC: Remove edac_get_dimm_by_index()
EDAC/ghes: Scan the system once on driver init
EDAC/ghes: Remove unused members of struct ghes_edac_pvt, rename it to ghes_pvt
EDAC/ghes: Setup DIMM label from DMI and use it in error reports
EDAC, {skx,i10nm}: Use CPU stepping macro to pass configurations
EDAC/mc: Call edac_inc_ue_error() before panic
EDAC, pnd2: Set MCE_PRIO_EDAC priority for pnd2_mce_dec notifier
|
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull new ARM SoC support from Arnd Bergmann:
"There are three SoC families newly dded to the 32-bit and 64-bit Arm
architecture code in the kernel this time:
- Daniel Palmer adds initial support for two chips made by MStar, a
taiwanese SoC manufacturer that became part of Mediatek in 2012.
For now, the added support is fairly minimal, with just two of its
Cortex-A7 based 32-bit camera chips getting support for a limited
set of on-chip peripherals.
- Lars Povlsen from Microchip adds support for their new Sparx5
family of ethernet switch chips using 64-bit Cortex-A53 cores.
These are descended from earlier VSC7xxx SparX and Ocelot chips
using 32-bit MIPS cores.
- Daniele Alessandrelli from Intel adds support for the new Keem Bay
SoC for computer vision, built around a Movidius VPU with Linux
running on Arm Cortex-A53 cores"
* tag 'arm-newsoc-5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (38 commits)
ARM: mstar: Correct the compatible string for pmsleep
dt-bindings: arm: mstar: remove the binding description for mstar,pmsleep
dt-bindings: mfd: syscon: add compatible string for mstar,msc313-pmsleep
ARM: mstar: Add reboot support
ARM: mstar: Add "pmsleep" node to base dtsi
ARM: mstar: Add PMU
ARM: mstar: Adjust IMI size for infinity3
ARM: mstar: Adjust IMI size for mercury5
ARM: mstar: Adjust IMI size of infinity
ARM: mstar: Add IMI SRAM region
dt-bindings: arm: mstar: Move existing MStar binding descriptions
dt-bindings: arm: mstar: Add binding details for mstar, pmsleep
ARM: mstar: Fix dts filename for 70mai midrive d08
ARM: mstar: Add dts for 70mai midrive d08
ARM: mstar: Add dts for msc313(e) based BreadBee boards
ARM: mstar: Add mercury5 series dtsis
ARM: mstar: Add infinity/infinity3 family dtsis
ARM: mstar: Add Armv7 base dtsi
ARM: mstar: Add binding details for mstar,l3bridge
ARM: mstar: Add machine for MStar/Sigmastar Armv7 SoCs
...
|
