Referring TRM Am335X series:
http://www.ti.com/lit/ug/spruh73p/spruh73p.pdf
The LastPowerStateEntered bitfield is present only for PM_CEFUSE
domain. This is not present in any of the other power domains. Hence
remove the generic am33xx_pwrdm_read_prev_pwrst hook which wrongly
reads the reserved bit fields for all the other power domains.
Reading the reserved bits leads to wrongly interpreting the low
power transitions for various power domains that do not have the
LastPowerStateEntered field. The pm debug counters values are wrong
currently as we are incrementing them based on the reserved bits.
Signed-off-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
With the CMA changes from Joonsoo Kim <iamjoonsoo.kim@lge.com>, it
was noticed that n900 stopped booting. After investigating it turned
out that n900 save_secure_ram_context does some whacky virtual to
physical address translation for the SRAM data address.
As we now only have minimal parts of omap3 idle code copied to SRAM,
running save_secure_ram_context() in SRAM is not needed. It only gets
called on PM init. And it seems there's no need to ever call this from
SRAM idle code.
So let's just keep save_secure_ram_context() in DDR, and pass it the
physical address of the parameters. We can do everything else in
omap-secure.c like we already do for other secure code.
And since we don't have any documentation, I still have no clue what
the values for 0, 1 and 1 for the parameters might be. If somebody has
figured it out, please do send a patch to add some comments.
Debugged-by: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Most of the commits are for defconfig changes, to enable newly added
drivers or features that people have started using. For the changed
lines lines, we have mostly cleanups, the affected platforms are
OMAP, Versatile, EP93xx, Samsung, Broadcom, i.MX, and Actions.
The largest single change is the introduction of the TI "sysc" bus
driver, with the intention of cleaning up more legacy code.
Two new SoC platforms get added this time:
- Allwinner R40 is a modernized version of the A20 chip, now
with a Quad-Core ARM Cortex-A7. According to the manufacturer,
it is intended for "Smart Hardware"
- Broadcom Hurricane 2 (Aka Strataconnect BCM5334X) is a family
of chips meant for managed gigabit ethernet switches, based
around a Cortex-A9 CPU.
Finally, we gain SMP support for two platforms: Renesas R-Car E2
and Amlogic Meson8/8b, which were previously added but only supported
uniprocessor operation.
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Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC platform updates from Arnd Bergmann:
"Most of the commits are for defconfig changes, to enable newly added
drivers or features that people have started using. For the changed
lines lines, we have mostly cleanups, the affected platforms are OMAP,
Versatile, EP93xx, Samsung, Broadcom, i.MX, and Actions.
The largest single change is the introduction of the TI "sysc" bus
driver, with the intention of cleaning up more legacy code.
Two new SoC platforms get added this time:
- Allwinner R40 is a modernized version of the A20 chip, now with a
Quad-Core ARM Cortex-A7. According to the manufacturer, it is
intended for "Smart Hardware"
- Broadcom Hurricane 2 (Aka Strataconnect BCM5334X) is a family of
chips meant for managed gigabit ethernet switches, based around a
Cortex-A9 CPU.
Finally, we gain SMP support for two platforms: Renesas R-Car E2 and
Amlogic Meson8/8b, which were previously added but only supported
uniprocessor operation"
* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (118 commits)
ARM: multi_v7_defconfig: Select RPMSG_VIRTIO as module
ARM: multi_v7_defconfig: enable CONFIG_GPIO_UNIPHIER
arm64: defconfig: enable CONFIG_GPIO_UNIPHIER
ARM: meson: enable MESON_IRQ_GPIO in Kconfig for meson8b
ARM: meson: Add SMP bringup code for Meson8 and Meson8b
ARM: smp_scu: allow the platform code to read the SCU CPU status
ARM: smp_scu: add a helper for powering on a specific CPU
dt-bindings: Amlogic: Add Meson8 and Meson8b SMP related documentation
ARM: OMAP3: Delete an unnecessary variable initialisation in omap3xxx_hwmod_init()
ARM: OMAP3: Use common error handling code in omap3xxx_hwmod_init()
ARM: defconfig: select the right SX150X driver
arm64: defconfig: Enable QCOM_IOMMU
arm64: Add ThunderX drivers to defconfig
arm64: defconfig: Enable Tegra PCI controller
cpufreq: imx6q: Move speed grading check to cpufreq driver
arm64: defconfig: re-enable Qualcomm DB410c USB
ARM: configs: stm32: Add MDMA support in STM32 defconfig
ARM: imx: Enable cpuidle for i.MX6DL starting at 1.1
bus: ti-sysc: Fix unbalanced pm_runtime_enable by adding remove
bus: ti-sysc: mark PM functions as __maybe_unused
...
issues for v4.15 merge window sent by their human operatorrrrrs.
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Merge tag 'omap-for-v4.15/coccinelle-signed' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/soc
Pull "omap coccinelle warning fixes for v4.15 merge window" from Tony Lindgren:
Few coccinelle robot clean-up patches for careless human coding
issues for v4.15 merge window sent by their human operatorrrrrs.
* tag 'omap-for-v4.15/coccinelle-signed' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP3: Delete an unnecessary variable initialisation in omap3xxx_hwmod_init()
ARM: OMAP3: Use common error handling code in omap3xxx_hwmod_init()
ARM: omap1: add const and initconst to omap_lcd_config
Many source files in the tree are missing licensing information, which
makes it harder for compliance tools to determine the correct license.
By default all files without license information are under the default
license of the kernel, which is GPL version 2.
Update the files which contain no license information with the 'GPL-2.0'
SPDX license identifier. The SPDX identifier is a legally binding
shorthand, which can be used instead of the full boiler plate text.
This patch is based on work done by Thomas Gleixner and Kate Stewart and
Philippe Ombredanne.
How this work was done:
Patches were generated and checked against linux-4.14-rc6 for a subset of
the use cases:
- file had no licensing information it it.
- file was a */uapi/* one with no licensing information in it,
- file was a */uapi/* one with existing licensing information,
Further patches will be generated in subsequent months to fix up cases
where non-standard license headers were used, and references to license
had to be inferred by heuristics based on keywords.
The analysis to determine which SPDX License Identifier to be applied to
a file was done in a spreadsheet of side by side results from of the
output of two independent scanners (ScanCode & Windriver) producing SPDX
tag:value files created by Philippe Ombredanne. Philippe prepared the
base worksheet, and did an initial spot review of a few 1000 files.
The 4.13 kernel was the starting point of the analysis with 60,537 files
assessed. Kate Stewart did a file by file comparison of the scanner
results in the spreadsheet to determine which SPDX license identifier(s)
to be applied to the file. She confirmed any determination that was not
immediately clear with lawyers working with the Linux Foundation.
Criteria used to select files for SPDX license identifier tagging was:
- Files considered eligible had to be source code files.
- Make and config files were included as candidates if they contained >5
lines of source
- File already had some variant of a license header in it (even if <5
lines).
All documentation files were explicitly excluded.
The following heuristics were used to determine which SPDX license
identifiers to apply.
- when both scanners couldn't find any license traces, file was
considered to have no license information in it, and the top level
COPYING file license applied.
For non */uapi/* files that summary was:
SPDX license identifier # files
---------------------------------------------------|-------
GPL-2.0 11139
and resulted in the first patch in this series.
If that file was a */uapi/* path one, it was "GPL-2.0 WITH
Linux-syscall-note" otherwise it was "GPL-2.0". Results of that was:
SPDX license identifier # files
---------------------------------------------------|-------
GPL-2.0 WITH Linux-syscall-note 930
and resulted in the second patch in this series.
- if a file had some form of licensing information in it, and was one
of the */uapi/* ones, it was denoted with the Linux-syscall-note if
any GPL family license was found in the file or had no licensing in
it (per prior point). Results summary:
SPDX license identifier # files
---------------------------------------------------|------
GPL-2.0 WITH Linux-syscall-note 270
GPL-2.0+ WITH Linux-syscall-note 169
((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) 21
((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) 17
LGPL-2.1+ WITH Linux-syscall-note 15
GPL-1.0+ WITH Linux-syscall-note 14
((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) 5
LGPL-2.0+ WITH Linux-syscall-note 4
LGPL-2.1 WITH Linux-syscall-note 3
((GPL-2.0 WITH Linux-syscall-note) OR MIT) 3
((GPL-2.0 WITH Linux-syscall-note) AND MIT) 1
and that resulted in the third patch in this series.
- when the two scanners agreed on the detected license(s), that became
the concluded license(s).
- when there was disagreement between the two scanners (one detected a
license but the other didn't, or they both detected different
licenses) a manual inspection of the file occurred.
- In most cases a manual inspection of the information in the file
resulted in a clear resolution of the license that should apply (and
which scanner probably needed to revisit its heuristics).
- When it was not immediately clear, the license identifier was
confirmed with lawyers working with the Linux Foundation.
- If there was any question as to the appropriate license identifier,
the file was flagged for further research and to be revisited later
in time.
In total, over 70 hours of logged manual review was done on the
spreadsheet to determine the SPDX license identifiers to apply to the
source files by Kate, Philippe, Thomas and, in some cases, confirmation
by lawyers working with the Linux Foundation.
Kate also obtained a third independent scan of the 4.13 code base from
FOSSology, and compared selected files where the other two scanners
disagreed against that SPDX file, to see if there was new insights. The
Windriver scanner is based on an older version of FOSSology in part, so
they are related.
Thomas did random spot checks in about 500 files from the spreadsheets
for the uapi headers and agreed with SPDX license identifier in the
files he inspected. For the non-uapi files Thomas did random spot checks
in about 15000 files.
In initial set of patches against 4.14-rc6, 3 files were found to have
copy/paste license identifier errors, and have been fixed to reflect the
correct identifier.
Additionally Philippe spent 10 hours this week doing a detailed manual
inspection and review of the 12,461 patched files from the initial patch
version early this week with:
- a full scancode scan run, collecting the matched texts, detected
license ids and scores
- reviewing anything where there was a license detected (about 500+
files) to ensure that the applied SPDX license was correct
- reviewing anything where there was no detection but the patch license
was not GPL-2.0 WITH Linux-syscall-note to ensure that the applied
SPDX license was correct
This produced a worksheet with 20 files needing minor correction. This
worksheet was then exported into 3 different .csv files for the
different types of files to be modified.
These .csv files were then reviewed by Greg. Thomas wrote a script to
parse the csv files and add the proper SPDX tag to the file, in the
format that the file expected. This script was further refined by Greg
based on the output to detect more types of files automatically and to
distinguish between header and source .c files (which need different
comment types.) Finally Greg ran the script using the .csv files to
generate the patches.
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Philippe Ombredanne <pombredanne@nexb.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The local variable "bus" will eventually be set to an appropriate pointer
a bit later. Thus omit the explicit initialisation at the beginning.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Add a jump target so that a bit of exception handling can be better reused
at the end of this function.
This issue was detected by using the Coccinelle software.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Tony Lindgren <tony@atomide.com>
dts files fixed up to contain the necessary data for basic resources, we
can drop the related platform data.
Note that this branch depends on the "omap-for-v4.15/fixes-dt-signed"
branch and the patches with dependencies are based on a merge with that
branch.
These patches first ensure things keep working for the legacy "ti,hwmods"
property when we start making it optional, then adds a minimal TI sysc
interconnect target device driver to handle the new generic "ti,sysc"
compatible property. And then we can finally drop the legacy platform
data for IRQ, DMA and IO resources as seen in the diffstats.
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Merge tag 'omap-for-v4.15/ti-sysc-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/soc
Pull "more soc changes for omaps for v4.15 merge window" from Tony Lindgren:
Drop omap legacy platform data for IRQ, DMA and IO resources. With the
dts files fixed up to contain the necessary data for basic resources, we
can drop the related platform data.
Note that this branch depends on the "omap-for-v4.15/fixes-dt-signed"
branch and the patches with dependencies are based on a merge with that
branch.
These patches first ensure things keep working for the legacy "ti,hwmods"
property when we start making it optional, then adds a minimal TI sysc
interconnect target device driver to handle the new generic "ti,sysc"
compatible property. And then we can finally drop the legacy platform
data for IRQ, DMA and IO resources as seen in the diffstats.
* tag 'omap-for-v4.15/ti-sysc-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: (25 commits)
bus: ti-sysc: Fix unbalanced pm_runtime_enable by adding remove
bus: ti-sysc: mark PM functions as __maybe_unused
ARM: OMAP2+: omap_device: fix error return code in omap_device_copy_resources()
ARM: OMAP2+: Drop legacy struct omap_hwmod_addr_space
ARM: OMAP2+: Drop omap_hwmod_dma_info
ARM: OMAP2+: Drop omap_hwmod_irq_info
ARM: OMAP4: Remove legacy IRQ for PRM
ARM: OMAP3: Remove legacy IRQ for PRM
bus: ti-sysc: Add minimal TI sysc interconnect target driver
ARM: OMAP2+: Populate legacy resources for dma and smartreflex
ARM: OMAP2+: Parse module IO range from dts for legacy "ti,hwmods" support
ARM: dts: Configure SmartReflex only to idle the interconnect target module
ARM: dts: Add nodes for missing omap4 interconnect target modules
dt-bindings: bus: Minimal TI sysc interconnect target module binding
ARM: dts: Add missing hwmod related properties for dra7
ARM: dts: Add missing hwmod related nodes for am33xx
ARM: dts: Add missing dma hwmod property for omap5
ARM: dts: Add missing wdt3 node for omap4
ARM: dts: Add missing hsi node for omap4
ARM: dts: Add missing onewire node for omap4
...
fixes and clean-up in preparation for dropping more platform data later
on:
- Fix am33xx/am437x MMC address space offsets
- Fix overwriting clkctrl and modulemode values when dts data is
used
- Drop unused platform init code for omap_init_hdq
- Drop unused struct omap_hwmod_mux_info
- Remove duplicate define for dra722 es1.0 silicon revision
- Add support for dra71x es2.1
- Make omap_dma_dev_info __initdata
- A series of fixes for Coccinelle found issues
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Merge tag 'omap-for-v4.15/soc-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/soc
Pull "OMAP soc changes for omaps for v4.15 merge window" from Tony Lindgren:
SoC changes for omaps for v4.15 merge window that are mostly non-urgent
fixes and clean-up in preparation for dropping more platform data later
on:
- Fix am33xx/am437x MMC address space offsets
- Fix overwriting clkctrl and modulemode values when dts data is
used
- Drop unused platform init code for omap_init_hdq
- Drop unused struct omap_hwmod_mux_info
- Remove duplicate define for dra722 es1.0 silicon revision
- Add support for dra71x es2.1
- Make omap_dma_dev_info __initdata
- A series of fixes for Coccinelle found issues
* tag 'omap-for-v4.15/soc-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP: Fix typos in two comment lines in _omap_dm_timer_request()
ARM: OMAP: Use kcalloc() in omap_system_dma_probe()
ARM: OMAP: Improve a size determination in two functions
ARM: OMAP: Delete an error message for a failed memory allocation in two functions
ARM: OMAP2+: make omap_dma_dev_info __initdata
ARM: DRA722: Add support for DRA71x Silicon Rev 2.1
ARM: DRA722: remove redundant definition of 1.0 device
ARM: OMAP2+: Drop unused omap_hwmod_mux_info
ARM: OMAP2+: Drop unused omap_init_hdq
ARM: OMAP2+: Fix overwriting of clkctrl and modulemode values
ARM: OMAP2+: Fix MMC address space mismatch for am33xx and am43xx
Fix to return error code -EINVAL from the irq_of_parse_and_map() error
handling case instead of 0, as done elsewhere in this function.
Fixes: d85a2d6143 ("ARM: OMAP2+: Populate legacy resources for dma
and smartreflex")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
With all of mach-omap2 booting now in device tree only mode,
we can get the module IO range from device tree and just drop
the legacy hwmod struct omap_hwmod_addr_space.
Cc: Lokesh Vutla <lokeshvutla@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
We have all of mach-omap2 booting in device tree only
mode now, and this data is populated from device tree.
Note that once we have removed support for the omap legacy
DMA, we can also drop struct omap_dma_dev_attr.
Cc: Lokesh Vutla <lokeshvutla@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
With the previous patches removing the need for legacy IRQs
now that all of mach-omap2 is booting in device tree only mode,
we can drop struct omap_hwmod_irq_info.
Note that we can now also finally drop omap4_xlate_irq.
Cc: Lokesh Vutla <lokeshvutla@ti.com>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
We have the PRM IRQ mapped in device tree and this legacy code
is no longer needed.
Cc: Lokesh Vutla <lokeshvutla@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
We have this coming from device tree and legacy booting is
no longer needed.
Cc: Lokesh Vutla <lokeshvutla@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
We can handle the sysc interconnect target module in a generic way
for many TI SoCs. Initially let's just enable runtime PM with
autosuspend, and probe the children. This can already be used for
idling interconnect target modules that don't have any device driver
available for the child devices.
For now, the "ti,hwmods" custom binding is still required. That will
be eventually deprecated in later patches. And more features will be
added, such as parsing for sysc capabilities so we can continue
removing the legacy platform data.
Cc: Benoît Cousson <bcousson@baylibre.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Nishanth Menon <nm@ti.com>
Cc: Matthijs van Duin <matthijsvanduin@gmail.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Peter Ujfalusi <peter.ujfalusi@ti.com>
Cc: Sakari Ailus <sakari.ailus@iki.fi>
Cc: Tero Kristo <t-kristo@ti.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Tony Lindgren <tony@atomide.com>
We can populate the legacy resources needed by dma and smartreflex
from device tree in omap_device_build().
There should be no need to do this for other devices, and eventually
these two remaining users will be gone too. The legacy dma will be
dropped when the remaining users have been converted to use the
dmaengine driver, and smartreflex can now become just a regular
device driver with a few pdata callbacks.
This is needed in order to remove remaining device dma, irq and io
resources from the interconnect code.
And while at it, let's simplify things by removing otherwise
unused omap_device_build_ss() as we will never call it for more
than one hwmod.
Cc: "Benoît Cousson" <bcousson@baylibre.com>
Cc: Lokesh Vutla <lokeshvutla@ti.com>
Cc: Nishanth Menon <nm@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
When removing legacy platform data for IO ranges for the hwmod
interconnect code, we still need to support the "ti,hwmods"
property.
And as we're going to use a generic sysc device driver to handle the
interconnect target instances, we can parse the information needed
for legacy "ti,hwmods" IO range from the dts. It's always the first
range the interconnect target module provides.
Note that we want to parse the range instead of the first child
device IO regs as the child device may not always be defined.
The child IP device node may not exist in cases where there is no
driver binding for the device, or when the child IP block may not
even be functional for some SoC revisions. But the IO range of the
interconnect target module is always known.
Cc: "Benoît Cousson" <bcousson@baylibre.com>
Cc: Lokesh Vutla <lokeshvutla@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Make this __initdata as it is only modified only during the initialisation
phase in the function omap2_system_dma_init_dev and after this it is not
referenced anywhere in the kernel.
Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
DRA71x processors are reduced pin and software compatible
derivative of DRA72 processors.
Silicon Rev 2.1 is a minor variant of DRA71x Rev 2.0 with
various fixes including the following:
- NAND boot fixes
- ROM update for secure boot crypto enhancement
Signed-off-by: Vishal Mahaveer <vishalm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This is no longer used as we boot in device tree
only mode.
Cc: Lokesh Vutla <lokeshvutla@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
We are currently overwiting the hwmod clkctrl registers if we
configure a clock ctrl clock from device tree.
While this does not expose any bugs except for kernel coders
when debugging things, it should be fixed for correctness.
It is now impossible to use the hwmod data for checking the
clkctrl register values after booting for debugging or
generating dts data from hwmod data.
Let's fix the issue by adding a helper to detect if clkctrl
clock is configured.
Cc: Lokesh Vutla <lokeshvutla@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
The address space currently set up for the interconnect data
is different compared to the dts data. We have hwmod data with
offset 0x100 to account for the revision, sysc and syss
register offsets. Let's fix the issue by correcting the MMC
register offsets in hwmod data and removing the unnecessary
duplicate IO range data that we get from device tree anyways.
Cc: Lokesh Vutla <lokeshvutla@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
With 4.13 kernel I get this boot message:
[ 1.051727] ------------[ cut here ]------------
[ 1.051818] WARNING: CPU: 0 PID: 1 at fs/sysfs/dir.c:31 sysfs_warn_dup+0x54/0x74
[ 1.051849] sysfs: cannot create duplicate filename '/devices/platform/omap_hsmmc.2'
[ 1.051879] Modules linked in:
[ 1.051971] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.13.0-letux+ #1360
[ 1.052001] Hardware name: Generic OMAP3 (Flattened Device Tree)
[ 1.052062] [<c010f690>] (unwind_backtrace) from [<c010bba8>] (show_stack+0x10/0x14)
[ 1.052124] [<c010bba8>] (show_stack) from [<c075dc88>] (dump_stack+0x98/0xd0)
[ 1.052185] [<c075dc88>] (dump_stack) from [<c012f398>] (__warn+0xd0/0x100)
[ 1.052215] [<c012f398>] (__warn) from [<c012f3fc>] (warn_slowpath_fmt+0x34/0x44)
[ 1.052276] [<c012f3fc>] (warn_slowpath_fmt) from [<c02ebcb4>] (sysfs_warn_dup+0x54/0x74)
[ 1.052337] [<c02ebcb4>] (sysfs_warn_dup) from [<c02ebd90>] (sysfs_create_dir_ns+0x74/0x84)
[ 1.052398] [<c02ebd90>] (sysfs_create_dir_ns) from [<c0761b8c>] (kobject_add_internal+0xd0/0x294)
[ 1.052429] [<c0761b8c>] (kobject_add_internal) from [<c0761f00>] (kobject_add+0x6c/0x8c)
[ 1.052490] [<c0761f00>] (kobject_add) from [<c04e831c>] (device_add+0xe4/0x510)
[ 1.052551] [<c04e831c>] (device_add) from [<c04ec6e4>] (platform_device_add+0x130/0x1c0)
[ 1.052612] [<c04ec6e4>] (platform_device_add) from [<c01281c0>] (omap_hsmmc_late_init+0x3c/0x60)
[ 1.052673] [<c01281c0>] (omap_hsmmc_late_init) from [<c0b0fa44>] (omap3_pandora_legacy_init+0x24/0xb4)
[ 1.052734] [<c0b0fa44>] (omap3_pandora_legacy_init) from [<c0128178>] (pdata_quirks_check+0x30/0x3c)
[ 1.052795] [<c0128178>] (pdata_quirks_check) from [<c0b0f950>] (omap_generic_init+0xc/0x18)
[ 1.052856] [<c0b0f950>] (omap_generic_init) from [<c0b03480>] (customize_machine+0x1c/0x28)
[ 1.052917] [<c0b03480>] (customize_machine) from [<c0101938>] (do_one_initcall+0xa8/0x150)
[ 1.052947] [<c0101938>] (do_one_initcall) from [<c0b00d70>] (kernel_init_freeable+0x110/0x1d4)
[ 1.053009] [<c0b00d70>] (kernel_init_freeable) from [<c076f198>] (kernel_init+0x8/0x10c)
[ 1.053070] [<c076f198>] (kernel_init) from [<c01070f0>] (ret_from_fork+0x14/0x24)
[ 1.055023] ---[ end trace 44e490b09ac4ab88 ]---
This can be traced down to the calls of
omap_hsmmc_init(pandora_mmc3);
omap_hsmmc_late_init(pandora_mmc3);
in omap3_pandora_legacy_init().
It turns out that both funcions disagree how to decide if the other one was alredy called.
Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
gpio1 soft reset fails in the kexec path as the optional clock
is not enabled hence enable the HWMOD_CONTROL_OPT_CLKS_IN_RESET
flag for gpio1 hwmod.
Signed-off-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Pull ARM updates from Russell King:
"Low priority fixes and updates for ARM:
- add some missing includes
- efficiency improvements in system call entry code when tracing is
enabled
- ensure ARMv6+ is always built as EABI
- export save_stack_trace_tsk()
- fix fatal signal handling during mm fault
- build translation table base address register from scratch
- appropriately align the .data section to a word boundary where we
rely on that data being word aligned"
* 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm:
ARM: 8691/1: Export save_stack_trace_tsk()
ARM: 8692/1: mm: abort uaccess retries upon fatal signal
ARM: 8690/1: lpae: build TTB control register value from scratch in v7_ttb_setup
ARM: align .data section
ARM: always enable AEABI for ARMv6+
ARM: avoid saving and restoring registers unnecessarily
ARM: move PC value into r9
ARM: obtain thread info structure later
ARM: use aliases for registers in entry-common
ARM: 8689/1: scu: add missing errno include
ARM: 8688/1: pm: add missing types include
This branch contains platform updates for 32- and 64-bit ARM,
including defconfig updates to enable new options, drivers and
platforms. There are also a few fixes and cleanups for some existing vendors.
Some of the things worth highlighting here are:
- Enabling new crypt drivers on arm64 defconfig
- QCOM IPQ8074 clocks and pinctrl drivers on arm64 defconfig
- Debug support enabled for Renesas r8a7743
- Various config updates for Renesas platforms (sound, USB, other drivers)
- Platform support (including SMP) for TI dra762
- OMAP cleanups: Move to use generic 8250 debug_ll, removal of stale DMA code
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Merge tag 'armsoc-platforms' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM/arm64 SoC platform updates from Olof Johansson: "This branch
contains platform updates for 32- and 64-bit ARM, including defconfig
updates to enable new options, drivers and platforms. There are also a
few fixes and cleanups for some existing vendors.
Some of the things worth highlighting here are:
- Enabling new crypt drivers on arm64 defconfig
- QCOM IPQ8074 clocks and pinctrl drivers on arm64 defconfig
- Debug support enabled for Renesas r8a7743
- Various config updates for Renesas platforms (sound, USB, other
drivers)
- Platform support (including SMP) for TI dra762
- OMAP cleanups: Move to use generic 8250 debug_ll, removal of stale
DMA code"
* tag 'armsoc-platforms' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (109 commits)
ARM: multi_v7_defconfig: make eSDHC driver built-in
arm64: defconfig: enable rockchip graphics
MAINTAINERS: Update Cavium ThunderX2 entry
ARM: config: aspeed: Add I2C, VUART, LPC Snoop
ARM: configs: aspeed: Update Aspeed G4 with VMSPLIT_2G
ARM: s3c24xx: Fix NAND ECC mode for mini2440 board
ARM: davinci_all_defconfig: enable tinydrm and ST7586
arm64: defconfig: Enable QCOM IPQ8074 clock and pinctrl
ARM: defconfig: tegra: Enable ChipIdea UDC driver
ARM: configs: Add Tegra I2S interfaces to multi_v7_defconfig
ARM: tegra: Add Tegra I2S interfaces to defconfig
ARM: tegra: Update default configuration for v4.13-rc1
MAINTAINERS: update ARM/ZTE entry
soc: versatile: remove unnecessary static in realview_soc_probe()
ARM: Convert to using %pOF instead of full_name
ARM: hisi: Fix typo in comment
ARM: multi_v7_defconfig: add CONFIG_BRCMSTB_THERMAL
arm64: defconfig: add CONFIG_BRCMSTB_THERMAL
arm64: defconfig: add recently added crypto drivers as modules
arm64: defconfig: enable CONFIG_UNIPHIER_WATCHDOG
...
- RK805 Power Management IC (PMIC)
- ROHM BD9571MWV-M MFD Power Management IC (PMIC)
- Texas Instruments TPS68470 Power Management IC (PMIC) & LEDs
- New Device Support
- Add support for HiSilicon Hi6421v530 to hi6421-pmic-core
- Add support for X-Powers AXP806 to axp20x
- Add support for X-Powers AXP813 to axp20x
- Add support for Intel Sunrise Point LPSS to intel-lpss-pci
- New Functionality
- Amend API to provide register layout; atmel-smc
- Fix-ups
- DT re-work; omap, nokia
- Header file location change {I2C => MFD}; dm355evm_msp, tps65010
- Fix chip ID formatting issue(s); rk808
- Optionally register touchscreen devices; da9052-core
- Documentation improvements; twl-core
- Constification; rtsx_pcr, ab8500-core, da9055-i2c, da9052-spi
- Drop unnecessary static declaration; max8925-i2c
- Kconfig changes (missing deps and remove module support)
- Slim down oversized licence statement; hi6421-pmic-core
- Use managed resources (devm_*); lp87565
- Supply proper error checking/handling; t7l66xb
- Bug Fixes
- Fix counter duplication issue; da9052-core
- Fix potential NULL deference issue; max8998
- Leave SPI-NOR write-protection bit alone; lpc_ich
- Ensure device is put into reset during suspend; intel-lpss
- Correct register offset variable size; omap-usb-tll
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Merge tag 'mfd-next-4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD updates from Lee Jones:
"New Drivers
- RK805 Power Management IC (PMIC)
- ROHM BD9571MWV-M MFD Power Management IC (PMIC)
- Texas Instruments TPS68470 Power Management IC (PMIC) & LEDs
New Device Support:
- Add support for HiSilicon Hi6421v530 to hi6421-pmic-core
- Add support for X-Powers AXP806 to axp20x
- Add support for X-Powers AXP813 to axp20x
- Add support for Intel Sunrise Point LPSS to intel-lpss-pci
New Functionality:
- Amend API to provide register layout; atmel-smc
Fix-ups:
- DT re-work; omap, nokia
- Header file location change {I2C => MFD}; dm355evm_msp, tps65010
- Fix chip ID formatting issue(s); rk808
- Optionally register touchscreen devices; da9052-core
- Documentation improvements; twl-core
- Constification; rtsx_pcr, ab8500-core, da9055-i2c, da9052-spi
- Drop unnecessary static declaration; max8925-i2c
- Kconfig changes (missing deps and remove module support)
- Slim down oversized licence statement; hi6421-pmic-core
- Use managed resources (devm_*); lp87565
- Supply proper error checking/handling; t7l66xb
Bug Fixes:
- Fix counter duplication issue; da9052-core
- Fix potential NULL deference issue; max8998
- Leave SPI-NOR write-protection bit alone; lpc_ich
- Ensure device is put into reset during suspend; intel-lpss
- Correct register offset variable size; omap-usb-tll"
* tag 'mfd-next-4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (61 commits)
mfd: intel_soc_pmic: Differentiate between Bay and Cherry Trail CRC variants
mfd: intel_soc_pmic: Export separate mfd-cell configs for BYT and CHT
dt-bindings: mfd: Add bindings for ZII RAVE devices
mfd: omap-usb-tll: Fix register offsets
mfd: da9052: Constify spi_device_id
mfd: intel-lpss: Put I2C and SPI controllers into reset state on suspend
mfd: da9055: Constify i2c_device_id
mfd: intel-lpss: Add missing PCI ID for Intel Sunrise Point LPSS devices
mfd: t7l66xb: Handle return value of clk_prepare_enable
mfd: Add ROHM BD9571MWV-M PMIC DT bindings
mfd: intel_soc_pmic_chtwc: Turn Kconfig option into a bool
mfd: lp87565: Convert to use devm_mfd_add_devices()
mfd: Add support for TPS68470 device
mfd: lpc_ich: Do not touch SPI-NOR write protection bit on Haswell/Broadwell
mfd: syscon: atmel-smc: Add helper to retrieve register layout
mfd: axp20x: Use correct platform device ID for many PEK
dt-bindings: mfd: axp20x: Introduce bindings for AXP813
mfd: axp20x: Add support for AXP813 PMIC
dt-bindings: mfd: axp20x: Add AXP806 to supported list of chips
mfd: Add ROHM BD9571MWV-M MFD PMIC driver
...
include/linux/i2c is not for client devices. Move the header file to a
more appropriate location.
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Acked-by: Kishon Vijay Abraham I <kishon@ti.com>
Acked-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Acked-by: Thierry Reding <thierry.reding@gmail.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Daniel Thompson <daniel.thompson@linaro.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
The function that was added doesn't actually build:
arch/arm/mach-omap2/display.c: In function 'omapdss_init_fbdev':
arch/arm/mach-omap2/display.c:184:2: error: 'r' undeclared (first use in this function)
This adds a declaration for 'r' to fix it.
Fixes: 5ce783025c ("ARM: OMAP2+: Don't register omapdss device for omapdrm")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
can wait for the merge window as we have not seemed to hit
any of these so far:
- Fix error handling in omap_ocp2scp_probe affecting runtime
PM error path
- Drop broken RPM status update for omap_device
- Two fixes for of_irq_get() usage that can return 0
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Merge tag 'omap-for-v4.14/fixes-not-urgent-v2-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/cleanup
Pull "non-urgent fixes for omaps for v4.14" from Tony Lindgren:
Non-urgent fixes for omaps for v4.14 merge window. These all
can wait for the merge window as we have not seemed to hit
any of these so far:
- Fix error handling in omap_ocp2scp_probe affecting runtime
PM error path
- Drop broken RPM status update for omap_device
- Two fixes for of_irq_get() usage that can return 0
* tag 'omap-for-v4.14/fixes-not-urgent-v2-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP4+: PRM: fix of_irq_get() result checks
ARM: OMAP3+: PRM: fix of_irq_get() result check
ARM: OMAP2+: omap_device: drop broken RPM status update from suspend_noirq
bus: omap-ocp2scp: Fix error handling in omap_ocp2scp_probe
support for new dra762 SoC. The other changes are are for legacy
DMA code removal, and MMC quirk and iodelay config for dra7.
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Merge tag 'omap-for-v4.14/soc-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/soc
Pull "soc changes for omaps for v4.14" from Tony Lindgren:
SoC updates for omaps for v4.14. Most of the chages are to add
support for new dra762 SoC. The other changes are are for legacy
DMA code removal, and MMC quirk and iodelay config for dra7.
* tag 'omap-for-v4.14/soc-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP: dra7: powerdomain data: Register SoC specific powerdomains
ARM: dra762: Enable SMP for dra762
ARM: dra7: hwmod: Register dra76x specific hwmod
ARM: dra762: Add support for device identification
ARM: OMAP2+: board-generic: add support for dra762 family
ARM: OMAP2+: Select PINCTRL_TI_IODELAY for SOC_DRA7XX
ARM: OMAP2+: Add pdata-quirks for MMC/SD on DRA74x EVM
ARM: OMAP2+: Remove unused legacy code for DMA
Now that we have a custom printf format specifier, convert users of
full_name to use %pOF instead. This is preparation to remove storing
of the full path string for each node.
Signed-off-by: Rob Herring <robh@kernel.org>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Acked-by: Shawn Guo <shawnguo@kernel.org>
Acked-by: Simon Horman <horms+renesas@verge.net.au>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Kukjin Kim <kgene@kernel.org>
Cc: Javier Martinez Canillas <javier@osg.samsung.com>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Cc: Tony Lindgren <tony@atomide.com>
Cc: "Benoît Cousson" <bcousson@baylibre.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Magnus Damm <magnus.damm@gmail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The omapdrm driver doesn't need the omapdss device anymore. Although it
can't be removed completely as the fbdev driver still requires it, we
can condition its registration to the usage of the omapfb driver.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
The omapdrm platform device is unused, as a replacement is now
registered in the omapdss driver. Remove it.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
of_irq_get() may return 0 as well as a nagative error number on failure,
(and never on success), however omap44xx_prm_late_init() regards 0 as a
valid IRQ -- fix this.
Fixes: a8f83aefcd ("ARM: OMAP4+: PRM: register interrupt information from DT")
Fixes: c5b3955828 ("ARM: OMAP4: Fix legacy code clean-up regression")
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
of_irq_get() may return 0 as well as a nagative error number on failure
(and never on success), however omap3xxx_prm_late_init() regards 0 as a
valid IRQ -- fix this.
Fixes: 1e037794f7 ("ARM: OMAP3+: PRM: register interrupt information from DT")
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
SoC device attributes are registered with a call to
soc_device_register() from the machine .init_late() operation, which is
called from the late initcall, after all drivers built-in drivers have
been probed. This results in the impossibility for drivers to use SoC
device matching in their probe function.
The omap_soc_device_init() function is safe to call from the machine
.init() operation, as all data it depends on is initialized from the
.init_early() operation. Move SoC device attribute registration to
machine .init() like on all other ARM platforms.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Custom efuse powerdomain is always on in dra72 ES2.0
and dra76 SoCs. So register it as aon for these SoCs.
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
smp specific routines are called based on soc_is_*() api in omap-smc.c.
Add soc_is_dra76x() to the condition so that smp specific routines are
called for dra76 SoC.
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Certain IPs are available on dra76 which are not present
either in dra74 or dra72. So add provision to register dra76
specific IPs separately.
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Robert Jarzmik reports that his PXA25x system fails to boot with 4.12,
failing at __flush_whole_cache in arch/arm/mm/proc-xscale.S:215:
0xc0019e20 <+0>: ldr r1, [pc, #788]
0xc0019e24 <+4>: ldr r0, [r1] <== here
with r1 containing 0xc06f82cd, which is the address of "clean_addr".
Examination of the System.map shows:
c06f22c8 D user_pmd_table
c06f22cc d __warned.19178
c06f22cd d clean_addr
indicating that a .data.unlikely section has appeared just before the
.data section from proc-xscale.S. According to objdump -h, it appears
that our assembly files default their .data alignment to 2**0, which
is bad news if the preceding .data section size is not power-of-2
aligned at link time.
Add the appropriate .align directives to all assembly files in arch/arm
that are missing them where we require an appropriate alignment.
Reported-by: Robert Jarzmik <robert.jarzmik@free.fr>
Tested-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
PINCTRL_TI_IODELAY should be enabled so that "pinctrl_dev" can be created
for pinctrl entries populated with iodelay values in device tree data.
Select PINCTRL_TI_IODELAY for SOC_DRA7XX here.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
DRA74x EVM Rev H EVM comes with revision 2.0 silicon.
However, earlier versions of EVM can come with either
revision 1.1 or revision 1.0 of silicon.
The device-tree file is written to support rev 2.0 of
silicon. pdata quirks are used to then override the
settings needed for PG 1.1 silicon.
PG 1.1 silicon has limitations w.r.t frequencies at
which MMC1/2/3 can operate as well as different IOdelay
numbers.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
