Add binding for NVIDIA's Tegra194 SoC SMMU topology that is based
on ARM MMU-500.
Signed-off-by: Krishna Reddy
---
Documentation/devicetree/bindings/iommu/arm,smmu.yaml | 5 +
1 file changed, 5 insertions(+)
diff --git a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
b/Documentation
NVIDIA's Tegra194 SoC uses two ARM MMU-500s together to interleave
IOVA accesses across them.
Add NVIDIA implementation for dual ARM MMU-500s and add new compatible
string for Tegra194 SoC SMMU topology.
Signed-off-by: Krishna Reddy
---
MAINTAINERS | 2 +
drivers/iommu/Make
Hi Marc,
On 6/23/20 12:28 AM, Marc Zyngier wrote:
> Booting a recent kernel on a rk3399-based system (nanopc-t4),
> equipped with a recent u-boot and ATF results in the following:
>
> [5.607431] Unable to handle kernel NULL pointer dereference at virtual
> address 01e4
> [5.6
Hi Mark,
> From: Mark Brown, Sent: Friday, June 26, 2020 11:39 PM
>
> On Fri, Jun 26, 2020 at 06:32:20PM +0900, Yoshihiro Shimoda wrote:
>
> > +static int reg_is_enabled(struct regulator_dev *rdev)
> > +{
> > + struct fixed_voltage_data *priv = rdev_get_drvdata(rdev);
> > +
> > + return !pri
On Sat, Jun 27, 2020 at 04:55:07AM +, Long Li wrote:
> Environment using the slub allocator, 1G memory in my ARM32.
> kmalloc(1024, GFP_HIGHUSER) can allocate memory normally,
> kmalloc(64*1024, GFP_HIGHUSER) will cause a memory leak, because
> alloc_pages returns highmem physical pages, but it
Hi Mark,
> From: Mark Brown, Sent: Saturday, June 27, 2020 12:14 AM
>
> On Fri, Jun 26, 2020 at 06:32:21PM +0900, Yoshihiro Shimoda wrote:
> > Note that this is possible to happen when the regulator-fixed driver
> > turns the vmmc and vqmmc off by firmware like PSCI while the system
> > is suspen
> From: Anson Huang
> Sent: Friday, June 26, 2020 5:14 AM
>
> The i.MX SCU soc driver depends on SCU firmware driver, so it has to use
> platform driver model for proper defer probe operation, since it has no device
> binding in DT file, a simple platform device is created together inside the
> p
On 2020-06-28 19:09, Pkshih wrote:
On Sun, 2020-06-28 at 03:17 -0700, Joe Perches wrote:
Use 'rtlwifi:' as subject title prefix is enough, likes
rtlwifi: Use const in swing_table declarations
We disagree.
I like knowing what content is changed via patch subject lines
as there are 3 rtlwifi
From: "Steven Rostedt (VMware)"
Instead of calling out the absolute test for each time to check if the
ring buffer wants absolute time stamps for all its recording, incorporate it
with the add_timestamp field and turn it into flags for faster processing
between wanting a absolute tag and needing
From: "Steven Rostedt (VMware)"
Up until now, if an event is interrupted while it is recorded by an
interrupt, and that interrupt records events, the time of those events will
all be the same. This is because events only record the delta of the time
since the previous event (or beginning of a pag
V1 of this patch set can be found here:
https://lore.kernel.org/r/20200627010041.517736...@goodmis.org
Changes since V1 patch set:
- Fixed white space issues (kernel test robot)
- Fixed change log algorithm to match the code (Masami Hiramatsu)
- Removed next_write useless code. (Masami Hir
From: "Steven Rostedt (VMware)"
After a discussion with the new time algorithm to have nested events still
have proper time keeping but required using local64_t atomic operations.
Mathieu was concerned about the performance this would have on 32 bit
machines, as in most cases, atomic 64 bit opera
From: Xiaowei Bao
Add the DSPI flash nodes into fsl-ls1028a-qds.dts
Signed-off-by: Xiaowei Bao
Signed-off-by: Zhao Qiang
---
Changes for v2
- correct commit msg
arch/arm64/boot/dts/freescale/fsl-ls1028a-qds.dts | 85 +++
1 file changed, 85 insertions(+)
diff --git a/a
Acer is a hardware and electronics corporation, specializing in advanced
electronics technology. Acer's products include desktop PCs, laptop PCs,
tablets, servers, displays, storage devices, virtual reality devices,
smartphones and peripherals. Their web site is http://www.acer.com/.
Acked-by: Rob
From: Randy Dunlap
Fix kernel-doc warnings in :
../include/linux/usb.h:713: warning: Function parameter or member
'use_generic_driver' not described in 'usb_device'
../include/linux/usb.h:1253: warning: Function parameter or member 'match' not
described in 'usb_device_driver'
../include/linux/
Enable several very useful options and drivers for hardware that is found
on Nexus 7 and Acer A500 tablet devices. Please note that some drivers may
require firmware files extracted from original Android image.
Link: https://github.com/grate-driver/linux-firmware
Link: https://github.com/grate-dri
Hello,
This series introduces upstream kernel support for Acer Iconia Tab A500
and ASUS Google Nexus 7 tablet devices. Please review and apply, thanks
in advance.
Changelog:
v10:- Rebased on a recent linux-next which got some device-tree changes:
- Renamed sdhci@ DT nodes to mmc@
Add device-tree for Acer Iconia Tab A500, which is NVIDIA Tegra20-based
tablet device.
Signed-off-by: Dmitry Osipenko
---
arch/arm/boot/dts/Makefile|1 +
.../boot/dts/tegra20-acer-a500-picasso.dts| 1438 +
2 files changed, 1439 insertions(+)
create mo
Add a binding for the Tegra30-based ASUS Google Nexus 7 tablet device.
Acked-by: Rob Herring
Signed-off-by: Dmitry Osipenko
---
Documentation/devicetree/bindings/arm/tegra.yaml | 7 +++
1 file changed, 7 insertions(+)
diff --git a/Documentation/devicetree/bindings/arm/tegra.yaml
b/Documen
Add a binding for the Tegra20-based Acer Iconia Tab A500 tablet device.
Acked-by: Rob Herring
Signed-off-by: Dmitry Osipenko
---
Documentation/devicetree/bindings/arm/tegra.yaml | 3 +++
1 file changed, 3 insertions(+)
diff --git a/Documentation/devicetree/bindings/arm/tegra.yaml
b/Documentat
There are few hardware variants of NVIDIA Tegra30-based Nexus 7 device:
1. WiFi-only (named Grouper)
2. GSM (named Tilapia)
3. Using Maxim PMIC (E1565 board ID)
4. Using Ti PMIC (PM269 board ID)
This patch adds device-trees for known and tested variants.
Link: https://wiki.postmarketos.org/wiki/
> Subject: Re: [PATCH] xen: introduce xen_vring_use_dma
>
> On Wed, 24 Jun 2020, Michael S. Tsirkin wrote:
> > On Wed, Jun 24, 2020 at 02:53:54PM -0700, Stefano Stabellini wrote:
> > > On Wed, 24 Jun 2020, Michael S. Tsirkin wrote:
> > > > On Wed, Jun 24, 2020 at 10:59:47AM -0700, Stefano Stabelli
> Subject: Re: [PATCH] xen: introduce xen_vring_use_dma
>
> On Thu, Jun 25, 2020 at 10:31:27AM -0700, Stefano Stabellini wrote:
> > On Wed, 24 Jun 2020, Michael S. Tsirkin wrote:
> > > On Wed, Jun 24, 2020 at 02:53:54PM -0700, Stefano Stabellini wrote:
> > > > On Wed, 24 Jun 2020, Michael S. Tsirk
From: Randy Dunlap
Fix spelling of the 'langid' function argument in the kernel-doc
notation to quieten a kernel-doc warning.
../drivers/usb/gadget/usbstring.c:77: warning: Function parameter or member
'langid' not described in 'usb_validate_langid'
../drivers/usb/gadget/usbstring.c:77: warning
> -Original Message-
> From: linux-fpga-ow...@vger.kernel.org
> On Behalf Of Xu Yilun
> Sent: Monday, June 29, 2020 10:19 AM
> To: t...@redhat.com
> Cc: m...@kernel.org; linux-f...@vger.kernel.org; linux-
> ker...@vger.kernel.org; Wu, Hao ;
> matthew.gerl...@linux.intel.com
> Subject: Re:
On Sun, 2020-06-28 at 19:51 -0700, j...@perches.com wrote:
> On 2020-06-28 19:09, Pkshih wrote:
> > On Sun, 2020-06-28 at 03:17 -0700, Joe Perches wrote:
> >
> > Use 'rtlwifi:' as subject title prefix is enough, likes
> > rtlwifi: Use const in swing_table declarations
>
> We disagree.
>
> I li
The hpmcounter CSRs are used for perf to read the value of monitoring
hardware events.
Signed-off-by: Zong Li
---
arch/riscv/include/asm/csr.h | 58
1 file changed, 58 insertions(+)
diff --git a/arch/riscv/include/asm/csr.h b/arch/riscv/include/asm/csr.h
ind
Add support for raw events and hardware cache events. Currently, we set
the events by writing the mhpmeventN CSRs, it would raise an illegal
instruction exception and trap into m-mode to emulate event selector
CSRs access. It doesn't make sense because we shouldn't write the
m-mode CSRs in s-mode,
We only one instance of riscv_pmu now, and use DT file to describe the
platform-specific information, so drop the dependency and menu of
RISCV_BASE_PMU.
Signed-off-by: Zong Li
---
arch/riscv/Kconfig | 13 -
arch/riscv/include/asm/perf_event.h | 2 --
arch/riscv/kern
Each architecture is responsible for mapping generic hardware and cache
events to their own specific encoding of hardware events. For each
architecture, it also have to distinguish the defination of hardware
events of different platforms of each vendor. We use DT file to describe
platform-specific
Add device tree bindings for performance monitor unit. And it passes the
dt_binding_check verification.
Signed-off-by: Zong Li
---
.../devicetree/bindings/riscv/pmu.yaml| 59 +++
1 file changed, 59 insertions(+)
create mode 100644 Documentation/devicetree/bindings/riscv/
This patch set adds raw event support on RISC-V. In addition, we
introduce the DT mechanism to make our perf more generic and common.
Currently, we set the hardware events by writing the mhpmeventN CSRs, it
would raise an illegal instruction exception and trap into m-mode to
emulate event selector
Add performance monitor unit DT node in SiFive Fu540 soc-specific DT
file. This pmu node passes the dtbs_check verification.
Signed-off-by: Zong Li
---
arch/riscv/boot/dts/sifive/fu540-c000.dtsi | 13 +
1 file changed, 13 insertions(+)
diff --git a/arch/riscv/boot/dts/sifive/fu540-c
From: Randy Dunlap
sound/soc/soc-io.c was merged into sound/soc/soc-component.c, so fixup
the Documentation to use the updated file name.
Error: Cannot open file ../sound/soc/soc-io.c
WARNING: kernel-doc '../scripts/kernel-doc -rst -enable-lineno
../sound/soc/soc-io.c' failed with return code 1
Excerpts from Linus Torvalds's message of June 28, 2020 3:39 pm:
> On Fri, Jun 26, 2020 at 8:43 AM Peter Zijlstra wrote:
>>
>> I ended up with something like the below.. but it is too warm to think
>> properly.
>>
>> I don't particularly like WQ_FLAG_PAGEWAITERS, but I liked open-coding
>> all tha
Linux Kernel Mentee: Remove Legacy Power Management.
The purpose of this patch series is to remove legacy power management callbacks
from amd ethernet drivers.
The callbacks performing suspend() and resume() operations are still calling
pci_save_state(), pci_set_power_state(), etc. and handling t
With legacy PM, drivers themselves were responsible for managing the
device's power states and takes care of register states.
After upgrading to the generic structure, PCI core will take care of
required tasks and drivers should do only device-specific operations.
The driver was invoking PCI help
With legacy PM, drivers themselves were responsible for managing the
device's power states and takes care of register states.
After upgrading to the generic structure, PCI core will take care of
required tasks and drivers should do only device-specific operations.
The driver was invoking PCI help
On Mon, 2020-06-29 at 11:12 +0800, Pkshih wrote:
> On Sun, 2020-06-28 at 19:51 -0700, j...@perches.com wrote:
> > On 2020-06-28 19:09, Pkshih wrote:
> > > On Sun, 2020-06-28 at 03:17 -0700, Joe Perches wrote:
> > >
> > > Use 'rtlwifi:' as subject title prefix is enough, likes
> > > rtlwifi: Use
Fixes: 9fe55eea7e4b ("Fix race when checking i_size on direct i/o read").
This commit caused ext4 direct I/O read error when the read size is not
alignment with block size.
Then, I will use a test to explain the error.
(1) Make the file that is not alignment with block size:
$dd if=/dev/z
From: Luo bin
Date: Sun, 28 Jun 2020 20:36:19 +0800
> patch #1: support to set and get pause params with
> "ethtool -A/a" cmd
> patch #2: support to set and get irq coalesce params with
> "ethtool -C/c" cmd
> patch #3: support to do self test with "ethtool -t" cmd
> patch #4:
On 20-06-26 07:19:56, Pawel Laszczak wrote:
> Hi Felipe,
>
> >
> >Hi,
> >
> >Pawel Laszczak writes:
> >> This patch introduce new Cadence USBSS DRD driver to linux kernel.
> >>
> >> The Cadence USBSS DRD Controller is a highly configurable IP Core which
> >> can be instantiated as Dual-Role Devic
From: Horatiu Vultur
Date: Sun, 28 Jun 2020 15:45:16 +0200
> The following sparse warnings are fixed:
> net/bridge/br_mrp.c:106:18: warning: incorrect type in assignment (different
> base types)
> net/bridge/br_mrp.c:106:18:expected unsigned short [usertype]
> net/bridge/br_mrp.c:106:18:
From: Vladimir Oltean
Date: Sun, 28 Jun 2020 17:49:35 +0300
> Fixes sparse warning:
>
> Function parameter or member 'pbuflen' not described in 'packing'
>
> Fixes: 554aae35007e ("lib: Add support for generic packing operations")
> Signed-off-by: Vladimir Oltean
> ---
> Hi David, since the ori
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
master
head: 9ebcfadb0610322ac537dd7aa5d9cbc2b2894c68
commit: 0e4a459f56c32d3e52ae69a4b447db2f48a65f44 tracing: Remove unnecessary
DEBUG_FS dependency
date: 7 months ago
config: powerpc-randconfig-m031-20200629 (attach
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