cpus on ipq6018 are clocked by a53 pll, add device compatible for a53
pll found on ipq6018 devices.
Signed-off-by: Sivaprakash Murugesan
---
[V5]
* Addressed Bjorn's review comment.
now the a53 dt-binding represents ipq a53 pll as well.
.../devicetree/bindings/clock/qcom,a53pll.yaml
The CPU on Qualcomm's IPQ6018 devices are primarily fed by APSS PLL and XO,
these are connected to a clock mux and enable block.
This patch series adds support for these clocks and inturn enables clocks
required for CPU freq.
[V5]
* Addressed Bjorn comments on apss clk and dt-bindings
* Patch
add support for apps pll and apcs clock.
Signed-off-by: Sivaprakash Murugesan
---
[V5]
* changed compatible to match the bindings
arch/arm64/boot/dts/qcom/ipq6018.dtsi | 16 +---
1 file changed, 13 insertions(+), 3 deletions(-)
diff --git a/arch/arm64/boot/dts/qcom/ipq6018.dtsi
Qualcomm APCS global block provides a bunch of generic properties which
are required in a device tree. Add YAML schema for these properties.
Reviewed-by: Rob Herring
Signed-off-by: Sivaprakash Murugesan
---
.../bindings/mailbox/qcom,apcs-kpss-global.txt | 88 --
On Wed, May 13, 2020 at 7:35 AM Sergey Senozhatsky
wrote:
>
> On (20/04/30 19:14), Alper Nebi Yasak wrote:
> [..]
> > +int update_console_to_preferred(void)
> > +{
> > + struct console_cmdline *c = NULL;
> > + struct console *con = NULL;
> > + struct console *tmp = NULL;
> > +
> > +
Yes! Jens & Team! Yes!
My code has never looked so beautiful, been so efficient and run so well
since switching to io_uring/async awesome-ness.. Really, really is a
game-changer in terms of software design, control, performance,
expressiveness... so many levels. Really, really great work!
Constify some static structs that are not modified in order to allow the
compiler to put them in read-only memory.
Rikard Falkeborn (2):
phy: ti: am654-serdes: Constify regmap_config
phy: ti: j721e-wiz: Constify structs
drivers/phy/ti/phy-am654-serdes.c | 2 +-
clk_div_table and wiz_regmap_config are not modified and can therefore
be made const to allow the compiler to put them in read-only memory.
Before:
textdata bss dec hex filename
202657044 64 273736aed drivers/phy/ti/phy-j721e-wiz.o
After:
textdata
regmap_config is not modified and can be made static to allow the compiler
to put it in read-only memory.
Before:
textdata bss dec hex filename
123283644 64 160363ea4 drivers/phy/ti/phy-am654-serdes.o
After:
textdata bss dec hex filename
On 5/13/2020 1:26 AM, Bjorn Andersson wrote:
On Sun 03 May 23:20 PDT 2020, Sivaprakash Murugesan wrote:
Add dt-binding for apss pll found on QCOM IPQ platforms
Signed-off-by: Sivaprakash Murugesan
This seems quite similar to the existing qcom,a53pll binding, can't you
just describe both
On 5/13/2020 1:42 AM, Bjorn Andersson wrote:
On Sun 03 May 23:20 PDT 2020, Sivaprakash Murugesan wrote:
The CPU on Qualcomm ipq platform is clocked primarily by a aplha PLL
and xo which are connected to a mux and enable block.
Add support for the mux and enable block which feeds the CPU on
Hi Bjorn,
On 5/13/2020 1:49 AM, Bjorn Andersson wrote:
On Sun 03 May 23:20 PDT 2020, Sivaprakash Murugesan wrote:
The Qualcomm ipq6018 has apcs block, add compatible for the same.
Also, the apcs provides a clock controller functionality similar
to msm8916 but the clock driver is different.
On 5/15/2020 2:10 AM, Stephen Boyd wrote:
Quoting Sivaprakash Murugesan (2020-04-22 03:44:33)
On 4/22/2020 2:30 PM, Stephen Boyd wrote:
Quoting Sivaprakash Murugesan (2020-04-13 19:55:17)
diff --git a/drivers/clk/qcom/a53-pll.c b/drivers/clk/qcom/a53-pll.c
index 45cfc57..a95351c 100644
---
On Thu, May 21, 2020 at 10:15:06AM +0800, Tiezhu Yang wrote:
> Add config check in Makefile to only build the subdir of current platform.
>
> E.g. without this patch:
>
> AR arch/mips/built-in.a
> AR arch/mips/boot/dts/brcm/built-in.a
> AR
Define precisely the size of the user accessible virtual space size
for sv32/39/48 mmu types and explain why the whole virtual address
space is split into 2 equal chunks between kernel and user space.
Signed-off-by: Alexandre Ghiti
Reviewed-by: Anup Patel
Reviewed-by: Palmer Dabbelt
---
Now that the mmu type is determined at runtime using SATP
characteristic, use the global variable pgtable_l4_enabled to output
mmu type of the processor through /proc/cpuinfo instead of relying on
device tree infos.
Signed-off-by: Alexandre Ghiti
Reviewed-by: Anup Patel
Reviewed-by: Palmer
In an effort to enable -Wcast-function-type in the top-level Makefile to
support Control Flow Integrity builds, remove all the function callback
casts.
To do this modify the function prototypes accordingly.
Signed-off-by: Oscar Carter
---
drivers/staging/rtl8192e/rtl8192e/rtl_core.c | 24
This is made possible by using the mmu-type property of the cpu node of
the device tree.
By default, the kernel will boot with 4-level page table if the hw supports
it but it can be interesting for the user to select 3-level page table as
it is less memory consuming and faster since it requires
From: Zhang Qiang
When destroy_workqueue if rescuer worker exist,wq->rescuer pointer be
kfree. if sanity checks passed. the func call_rcu(>rcu, rcu_free_wq)
will be called if the wq->flags & WQ_UNBOUND is false,in rcu_free_wq
func wq->rescuer pointer was kfree again.
Signed-off-by: Zhang Qiang
By adding a new 4th level of page table, give the possibility to 64bit
kernel to address 2^48 bytes of virtual address: in practice, that roughly
offers ~160TB of virtual address space to userspace and allows up to 64TB
of physical memory.
If the underlying hardware does not support sv48, we will
This is a preparatory patch for sv48 support that will introduce
dynamic PAGE_OFFSET.
Dynamic PAGE_OFFSET implies that all zones (vmalloc, vmemmap, fixaddr...)
whose addresses depend on PAGE_OFFSET become dynamic and can't be used
to statically initialize the array used by ptdump to identify the
Either the user specifies maximum physical memory size of 2GB or the
user lives with the system constraint which is 1/4th of maximum
addressable memory in Sv39 MMU mode (i.e. 128GB) for now.
Signed-off-by: Alexandre Ghiti
Reviewed-by: Anup Patel
---
arch/riscv/Kconfig | 20 ++--
With 4-level page table folding at runtime, we don't know at compile time
the size of the virtual address space so we must set VA_BITS dynamically
so that sparsemem reserves the right amount of memory for struct pages.
Signed-off-by: Alexandre Ghiti
Reviewed-by: Anup Patel
Reviewed-by: Palmer
There is no need to compare at compile time MAX_EARLY_MAPPING_SIZE value
with PGDIR_SIZE since MAX_EARLY_MAPPING_SIZE is set to 128MB which is less
than PGDIR_SIZE that is equal to 1GB: that allows to simplify early_pmd
definition.
Signed-off-by: Alexandre Ghiti
Reviewed-by: Anup Patel
This patchset implements sv48 support at runtime. The kernel will try to
boot with 4-level page table and will fallback to 3-level if the HW does not
support it.
> "pm_runtime_enable()" was not handled by "pm_runtime_disable()"
> after a call of the function “pm_runtime_get_sync()” failed.
> Thus move the jump target “err_pm” before calling function
> "calling pm_runtime_disable()".
I find such a change description still improvable (also according to
the
Relocating kernel at runtime is done very early in the boot process, so
it is not convenient to check for relocations there and react in case a
relocation was not expected.
Powerpc architecture has a script that allows to check at compile time
for such unexpected relocations: extract the common
This config allows to compile the kernel as PIE and to relocate it at
any virtual address at runtime: this paves the way to KASLR and to 4-level
page table folding at runtime. Runtime relocation is possible since
relocation metadata are embedded into the kernel.
Note that relocating at runtime
This is a preparatory patch for relocatable kernel.
The kernel used to be linked at PAGE_OFFSET address and used to be loaded
physically at the beginning of the main memory. Therefore, we could use
the linear mapping for the kernel mapping.
But the relocated kernel base address will be different
This patchset originally implemented relocatable kernel support but now
also moves the kernel mapping into the vmalloc zone.
The first patch explains why we need to move the kernel into vmalloc
zone (instead of memcpying it around). That patch should ease KASLR
implementation a lot.
The second
On Sun, 2020-05-24 at 10:27 +0200, Michael Straube wrote:
> Clean up some array declarations in phy_iq_calibrate() to reduce
> indentation and clear line over 80 characters checkpatch warnings.
Better still would be to mark these as static const
and also mark the functions that use them to take
On Sat, 23 May 2020 at 17:18, Arvind Sankar wrote:
>
> On Sat, May 23, 2020 at 02:00:21PM +0200, Ard Biesheuvel wrote:
> > In a previous patch, we have eliminated GOT entries from the decompressor
> > binary and added an assertion that the .got section is empty. This means
> > that the GOT fixup
Hi Rob,
On Sat, May 23, 2020 at 1:47 AM Rob Herring wrote:
>
> On Fri, May 22, 2020 at 4:42 PM Rob Herring wrote:
> >
> > On Fri, 22 May 2020 14:33:10 +0300, Tali Perry wrote:
> > > Added device tree binding documentation for Nuvoton BMC
> > > NPCM I2C controller.
> > >
> > > Signed-off-by:
Clean up some array declarations in phy_iq_calibrate() to reduce
indentation and clear line over 80 characters checkpatch warnings.
Signed-off-by: Michael Straube
---
drivers/staging/rtl8188eu/hal/phy.c | 33 +++--
1 file changed, 17 insertions(+), 16 deletions(-)
diff
On Thu, Apr 02, 2020 at 11:26:38AM +0530, Amol Grover wrote:
> task_struct::cred (subjective credentials) is *always* used
> task-synchronously, hence, does not require RCU semantics.
>
> task_struct::real_cred (objective credentials) can be used in
> RCU context and its __rcu annotation is
In an effort to enable -Wcast-function-type in the top-level Makefile to
support Control Flow Integrity builds, remove all the function callback
casts.
To do this, modify the IRQCHIP_ACPI_DECLARE macro initializing the
acpi_probe_entry struct directly instead of use the existent macro
- Ursprüngliche Mail -
> Von: "syzbot"
> An: "Arnd Bergmann" , "daniel baluta" ,
> "festevam" , "Greg
> Kroah-Hartman" , "kernel"
> , "linux-arm-kernel"
> , "linux-imx" ,
> "linux-kernel" ,
> "linux-mtd" , li...@rempel-privat.de, "Miquel
> Raynal" ,
> "richard" , "Sascha Hauer" ,
>
On Sun, May 24, 2020 at 5:57 AM Masahiro Yamada wrote:
>
> On Fri, May 22, 2020 at 6:57 AM 'Nick Desaulniers' via Clang Built
> Linux wrote:
> >
> > On Wed, May 20, 2020 at 7:48 PM Masahiro Yamada
> > wrote:
> > >
> > > > Suggested-by: Fangrui Song
> > >
> > >
> > > Suggested-by ->
> The variables{files, file} will definitely be assigned,
I find an other specification nicer for these identifiers.
> so we don't need to initialize them.
I suggest to recheck programming concerns around the handling
of the null pointer for the variable “file”.
On Tue, Apr 28, 2020 at 06:51:26PM -0700, Matthew Wilcox wrote:
> On Wed, Apr 29, 2020 at 03:26:24AM +0300, Kirill A. Shutemov wrote:
> > On Tue, Apr 28, 2020 at 12:44:42PM -0700, Matthew Wilcox wrote:
> > > From: "Matthew Wilcox (Oracle)"
> > >
> > > Pages which are in use as page tables have
My Dear in the lord
My name is Mrs. Mina A. Brunel I am a Norway Citizen who is living in Burkina
Faso, I am married to Mr. Brunel Patrice, a politicians who owns a small gold
company in Burkina Faso; He died of Leprosy and Radesyge, in year February
2010, During his lifetime he deposited
> It will call devm_request_irq() after platform_get_irq() function
> in many drivers, sometimes, it is not right for the error handling
> of these two functions in some drivers. so provide this function
> to simplify the driver.
I recommend to improve also this change description.
How do you
On Sat, 23 May 2020 19:49:57 +0200,
Vasily Khoruzhick wrote:
>
> Add hw monitor volume control for POD HD500. The same change may
> work for HD500X but I don't have it to test.
>
> Signed-off-by: Vasily Khoruzhick
> ---
> v2: clamp volume value to [0, ARRAY_SIZE() -1] in
>
Just ran into this issue again, with what I think may be most compelling
example yet why this is problematic:
The tracee incurred a signal, we PTRACE_SYSEMU'd to the rt_sigreturn,
which the tracer tried to emulate by applying the state from the signal frame.
However, the PTRACE_SYSEMU stop is a
On Sat, May 23, 2020 at 10:25:25PM +0200, Alexander Graf wrote:
> Hey Greg,
>
> On 22.05.20 09:04, Greg KH wrote:
> >
> > On Fri, May 22, 2020 at 09:29:32AM +0300, Andra Paraschiv wrote:
> > > +/**
> > > + * ne_setup_msix - Setup MSI-X vectors for the PCI device.
> > > + *
> > > + * @pdev: PCI
Hi Maxim,
On Thu, May 21, 2020 at 8:47 AM Maxim Uvarov wrote:
>
> Some drivers (like ftpm) can operate only after tee-supplicant
> runs becase of tee-supplicant provides things like storage
> services. This patch splits probe of non tee-supplicant dependable
> drivers to early stage, and after
In stm32_dmamux_route_allocate(), pm_runtime_get_sync() increments
the runtime PM usage counter even when it returns an error code.
Thus a pairing decrement is needed on the error handling path to
keep the counter balanced.
In stm32_dmamux_probe(), when platform_get_resource() returns an
error
syzbot has bisected this bug to:
commit 32ec783ae19d48084b893cc54747fed37b07eb0c
Author: Arnd Bergmann
Date: Wed Apr 8 19:02:57 2020 +
firmware: imx: fix compile-testing
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=15b2297210
start commit: c11d28ab Add
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