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We are now booting all mach-omap2 in device tree only mode.
Any code that is only called in legacy boot mode where
of_have_populated_dt() is not set is safe to remove now.
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
[tony@atomide.com: left out probe changes to avoid merge conflict]
Signed-off-by: Tony Lindgren <tony@atomide.com>
We are now booting all mach-omap2 in device tree only mode.
Any code that is only called in legacy boot mode where
of_have_populated_dt() is not set is safe to remove now.
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Signed-off-by: Tony Lindgren <tony@atomide.com>
We are now booting all mach-omap2 in device tree only mode.
Any code that is only called in legacy boot mode where
of_have_populated_dt() is not set is safe to remove now.
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Signed-off-by: Tony Lindgren <tony@atomide.com>
We are now booting all mach-omap2 in device tree only mode.
Any code that is only called in legacy boot mode where
of_have_populated_dt() is not set is safe to remove now.
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Signed-off-by: Tony Lindgren <tony@atomide.com>
We are now booting all mach-omap2 in device tree only mode.
Any code that is only called in legacy boot mode where
of_have_populated_dt() is not set is safe to remove now.
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Signed-off-by: Tony Lindgren <tony@atomide.com>
We are now booting all mach-omap2 in device tree only mode.
Any code that is only called in legacy boot mode where
of_have_populated_dt() is not set is safe to remove now.
Acked-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Signed-off-by: Tony Lindgren <tony@atomide.com>
* A multiplication for the size determination of a memory allocation
indicated that an array data structure should be processed.
Thus use the corresponding function "kcalloc".
This issue was detected by using the Coccinelle software.
* Replace the specification of a data structure by a pointer dereference
to make the corresponding size determination a bit safer according to
the Linux coding style convention.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Replace the specification of a data structure by a pointer dereference
as the parameter for the operator "sizeof" to make the corresponding size
determination a bit safer according to the Linux coding style convention.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Tony Lindgren <tony@atomide.com>
We are now booting all mach-omap2 in device tree only mode.
Any code that is only called in legacy boot mode where
of_have_populated_dt() is not set is safe to remove now.
Note that omap_init_sti() won't do anything so we can
remove omap2_init_devices() as pointed out by Sebastian
Reichel <sebastian.reichel@collabora.co.uk>.
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Signed-off-by: Tony Lindgren <tony@atomide.com>
We are now booting all mach-omap2 in device tree only mode.
Any code that is only called in legacy boot mode where
of_have_populated_dt() is not set is safe to remove now.
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Signed-off-by: Tony Lindgren <tony@atomide.com>
We are now booting all mach-omap2 in device tree only mode.
Any code that is only called in legacy boot mode where
of_have_populated_dt() is not set is safe to remove now.
Note that the volt_data is still being used.
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Signed-off-by: Tony Lindgren <tony@atomide.com>
If clkctrl clocks are available on a device, populate these automatically
to replace hwmod main_clk info. First, the patch parses all "ti,clkctrl"
compatible nodes and maps these against existing clockdomain data. Once
done, individual hwmod init routines can search for a clkctrl clock
handle based on the clockdomain info and the created mapping.
This patch also drops the obsolete "_mod_ck" search as the implementation
required for this was not accepted usptream.
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This function gets the physical base address of a clockdomain.
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This new function can be used to get the physical address of a
clockdomain. Required for mapping the clkctrl clocks under hwmod
without modification to DT data.
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
In some cases the physical address info is needed, so store this
under the existing cm*_base, prm_base and prcm_mpu_base variables.
These are converted now to structs that contain both virtual and
physical address base for the instance.
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
These extra optional clocks are required as main clock for these modules
are going to be routed to the main module clock. Otherwise, the hdmi / tv
clocks are not going to be enabled during usage, leading to failure.
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
The mux clock handle shall be provided via "fck" DT handle. This avoids
the need to lookup the main clock via hwmod core, which will not work
with the clkctrl clock support anymore; the main clock is not going to
be a mux.
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
We are now booting all mach-omap2 in device tree only mode.
Any code that is only called in legacy boot mode where
of_have_populated_dt() is not set is safe to remove now.
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Merge tag 'v4.12-rc1' into fixes
We've received a few fixes branches with -rc1 as base, but our contents was
still at pre-rc1. Merge it in expliticly to make 'git merge --log' clear on
hat was actually merged.
Signed-off-by: Olof Johansson <olof@lixom.net>
omap_pm_clkdms_setup gets called from pm init functions and now that
pm33xx and pm43xx can be loaded as modules this must be kept to be
called at any point during runtime.
Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
OMAP timer code registers two timers - one as clocksource
and one as clockevent. Since AM33XX has only one usable timer
in the WKUP domain one of the timers needs suspend-resume
support to restore the configuration to pre-suspend state.
commit adc78e6b9946 ("timekeeping: Add suspend and resume
of clock event devices") introduced .suspend and .resume
callbacks for clock event devices. Leverage these
callbacks to have AM33XX clockevent timer behave properly
across system suspend. Extend the use of the .suspend and
.resume callbacks used by am335x clockevent to am437x as well.
Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
AM43XX has the same wakeupgen IP as OMAP4/5. The only
notable difference is the presence of 7 register banks
and lack of SAR area which has been used in OMAP4/5 for
saving and restoring the context around low power states.
In case of AM43XX the context is saved and restored by
the kernel. Introduce wakeupgen_ops so that context save
and restore can be set on a per-SoC basis during init.
Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
to me not catching up as quickly on patch review than anything else.
Overall it seems normal though, a few small changes to the core, mostly
small non-critical fixes here and there as well as driver updates for new
and existing hardware support. The biggest things are the TI clk driver
rework to lay the groundwork for clkctrl support in the next merge window
and the AmLogic audio/graphics clk support.
Core:
* clk_possible_parents debugfs file so we know which parents a clk
could possibly have
* Fix to make clk rate change notifiers stop on the first failure instead
of continuing
New Drivers:
* Mediatek MT6797 SoCs
* hi655x PMIC clks
* AmLogic Meson SoC i2s and spdif audio clks and Mali graphics clks
* Allwinner H5 SoCs and PRCM hardware
Updates:
* Nvidia Tegra T210 cleanups and non-critical fixes
* TI OMAP cleanups in preparation for clkctrl support
* Trivial fixes like kcalloc(), devm_* conversions, and seq_puts()
* ZTE zx296718 SoC VGA clks
* Rockchip clk-ids, fixups, and rename of rk1108 to rv1108
* Support for IDT VersaClock 5P49V5935
* Renesas R-Car H3 and M3-W IMR clks and ES2.0 rev of R-Car H3 support
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Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk updates from Stephen Boyd:
"Sort of on the quieter side this time, which is probably due more to
me not catching up as quickly on patch review than anything else.
Overall it seems normal though, a few small changes to the core,
mostly small non-critical fixes here and there as well as driver
updates for new and existing hardware support.
The biggest things are the TI clk driver rework to lay the groundwork
for clkctrl support in the next merge window and the AmLogic
audio/graphics clk support.
Core:
- clk_possible_parents debugfs file so we know which parents a clk
could possibly have
- Fix to make clk rate change notifiers stop on the first failure
instead of continuing
New Drivers:
- Mediatek MT6797 SoCs
- hi655x PMIC clks
- AmLogic Meson SoC i2s and spdif audio clks and Mali graphics clks
- Allwinner H5 SoCs and PRCM hardware
Updates:
- Nvidia Tegra T210 cleanups and non-critical fixes
- TI OMAP cleanups in preparation for clkctrl support
- trivial fixes like kcalloc(), devm_* conversions, and seq_puts()
- ZTE zx296718 SoC VGA clks
- Rockchip clk-ids, fixups, and rename of rk1108 to rv1108
- IDT VersaClock 5P49V5935 support
- Renesas R-Car H3 and M3-W IMR clks and ES2.0 rev of R-Car H3
support"
* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (151 commits)
clk: x86: pmc-atom: Checking for IS_ERR() instead of NULL
clk: ti: divider: try to fix ti_clk_register_divider
clk: mvebu: Use kcalloc() in two functions
clk: mvebu: Use kcalloc() in of_cpu_clk_setup()
clk: nomadik: Delete error messages for a failed memory allocation in two functions
clk: nomadik: Use seq_puts() in nomadik_src_clk_show()
clk: Improve a size determination in two functions
clk: Replace four seq_printf() calls by seq_putc()
clk: si5351: Delete an error message for a failed memory allocation in si5351_i2c_probe()
clk: si5351: Use devm_kcalloc() in si5351_i2c_probe()
clk: at91: Use kcalloc() in of_at91_clk_pll_get_characteristics()
reset: mediatek: Add MT2701 ethsys reset controller include file
clk: mediatek: add mt2701 ethernet reset
clk: hi6220: Add the hi655x's pmic clock
clk: ti: fix building without legacy omap3
clk: ti: fix linker error with !SOC_OMAP4
clk: hi3620: Fix a typo in one variable name
clk: hi3620: Delete error messages for a failed memory allocation in two functions
clk: hi3620: Use kcalloc() in hi3620_mmc_clk_init()
clk: hisilicon: Delete error messages for failed memory allocations in hisi_clk_init()
...
When CONFIG_PM is disabled, we get a build error:
arch/arm/mach-omap2/omap-smp.c: In function 'omap4_smp_maybe_reset_cpu1':
arch/arm/mach-omap2/omap-smp.c:309:20: error: implicit declaration of function 'omap4_get_cpu1_ns_pa_addr'; did you mean 'omap4_get_scu_base'? [-Werror=implicit-function-declaration]
We need to fix this in multiple files, to ensure the declaration is visible,
to actually build the function without CONFIG_PM, and to only call it
when OMAP4 and/or OMAP5 are enabled.
Fixes: 351b7c490700 ("ARM: omap2+: Revert omap-smp.c changes resetting CPU1 during boot")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Tony Lindgren <tony@atomide.com>
SoC platform changes (arch/arm/mach-*). This merge window, the bulk is
for a few platforms:
* Gemini:
- Legacy platform that Linus Walleij has converted to multiplatform
and DT, so a handful of various tweaks there, removal of some old
stale support, etc.
* Atmel AT91:
- Fixup of various power management related pieces
- Move of SoC detection to a drivers/soc driver instead
* ST Micro STM32:
- New SoC support: STM32H743
* TI platforms:
- More driver support for Davinci (SATA in particular)
- Removal of some old stale hwmod files (linkspace platform)
* Misc:
- A couple of smaller patches for i.MX, sunxi, hisi
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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 Olof Johansson:
"SoC platform changes (arch/arm/mach-*). This merge window, the bulk is
for a few platforms:
Gemini:
- Legacy platform that Linus Walleij has converted to multiplatform
and DT, so a handful of various tweaks there, removal of some old
stale support, etc.
Atmel AT91:
- Fixup of various power management related pieces
- Move of SoC detection to a drivers/soc driver instead
ST Micro STM32:
- New SoC support: STM32H743
TI platforms:
- More driver support for Davinci (SATA in particular)
- Removal of some old stale hwmod files (linkspace platform)
Misc:
- A couple of smaller patches for i.MX, sunxi, hisi"
* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (57 commits)
ARM: davinci: Add clock for CPPI 4.1 DMA engine
ARM: mxs: add support for I2SE Duckbill 2 boards
MAINTAINERS: Update the Allwinner sunXi entry
ARM: i.MX25: globally disable supervisor protect
ARM: at91: move SoC detection to its own driver
ARM: at91: pm: correct typo
ARM: at91: pm: Remove at91_pm_set_standby
ARM: at91: pm: Merge all at91sam9*_pm_init
ARM: at91: pm: Tie the USB clock mask to the pmc
ARM: at91: pm: Tie the memory controller type to the ramc id
ARM: at91: pm: Workaround DDRSDRC self-refresh bug with LPDDR1 memories.
ARM: at91: pm: Simplify at91rm9200_standby
ARM: at91: pm: Use struct at91_pm_data in pm_suspend.S
ARM: at91: pm: Move global variables into at91_pm_data
ARM: at91: pm: Move at91_ramc_read/write to pm.c
ARM: at91: pm: Cleanup headers
MAINTAINERS: Add memory drivers to AT91 entry
MAINTAINERS: Update AT91 entry
ARM: davinci: add pata_bk3710 libata driver support
ARM: OMAP2+: mark omap_init_rng as __init
...
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Merge tag 'pci-v4.12-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI updates from Bjorn Helgaas:
- add framework for supporting PCIe devices in Endpoint mode (Kishon
Vijay Abraham I)
- use non-postable PCI config space mappings when possible (Lorenzo
Pieralisi)
- clean up and unify mmap of PCI BARs (David Woodhouse)
- export and unify Function Level Reset support (Christoph Hellwig)
- avoid FLR for Intel 82579 NICs (Sasha Neftin)
- add pci_request_irq() and pci_free_irq() helpers (Christoph Hellwig)
- short-circuit config access failures for disconnected devices (Keith
Busch)
- remove D3 sleep delay when possible (Adrian Hunter)
- freeze PME scan before suspending devices (Lukas Wunner)
- stop disabling MSI/MSI-X in pci_device_shutdown() (Prarit Bhargava)
- disable boot interrupt quirk for ASUS M2N-LR (Stefan Assmann)
- add arch-specific alignment control to improve device passthrough by
avoiding multiple BARs in a page (Yongji Xie)
- add sysfs sriov_drivers_autoprobe to control VF driver binding
(Bodong Wang)
- allow slots below PCI-to-PCIe "reverse bridges" (Bjorn Helgaas)
- fix crashes when unbinding host controllers that don't support
removal (Brian Norris)
- add driver for MicroSemi Switchtec management interface (Logan
Gunthorpe)
- add driver for Faraday Technology FTPCI100 host bridge (Linus
Walleij)
- add i.MX7D support (Andrey Smirnov)
- use generic MSI support for Aardvark (Thomas Petazzoni)
- make Rockchip driver modular (Brian Norris)
- advertise 128-byte Read Completion Boundary support for Rockchip
(Shawn Lin)
- advertise PCI_EXP_LNKSTA_SLC for Rockchip root port (Shawn Lin)
- convert atomic_t to refcount_t in HV driver (Elena Reshetova)
- add CPU IRQ affinity in HV driver (K. Y. Srinivasan)
- fix PCI bus removal in HV driver (Long Li)
- add support for ThunderX2 DMA alias topology (Jayachandran C)
- add ThunderX pass2.x 2nd node MCFG quirk (Tomasz Nowicki)
- add ITE 8893 bridge DMA alias quirk (Jarod Wilson)
- restrict Cavium ACS quirk only to CN81xx/CN83xx/CN88xx devices
(Manish Jaggi)
* tag 'pci-v4.12-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (146 commits)
PCI: Don't allow unbinding host controllers that aren't prepared
ARM: DRA7: clockdomain: Change the CLKTRCTRL of CM_PCIE_CLKSTCTRL to SW_WKUP
MAINTAINERS: Add PCI Endpoint maintainer
Documentation: PCI: Add userguide for PCI endpoint test function
tools: PCI: Add sample test script to invoke pcitest
tools: PCI: Add a userspace tool to test PCI endpoint
Documentation: misc-devices: Add Documentation for pci-endpoint-test driver
misc: Add host side PCI driver for PCI test function device
PCI: Add device IDs for DRA74x and DRA72x
dt-bindings: PCI: dra7xx: Add DT bindings to enable unaligned access
PCI: dwc: dra7xx: Workaround for errata id i870
dt-bindings: PCI: dra7xx: Add DT bindings for PCI dra7xx EP mode
PCI: dwc: dra7xx: Add EP mode support
PCI: dwc: dra7xx: Facilitate wrapper and MSI interrupts to be enabled independently
dt-bindings: PCI: Add DT bindings for PCI designware EP mode
PCI: dwc: designware: Add EP mode support
Documentation: PCI: Add binding documentation for pci-test endpoint function
ixgbe: Use pcie_flr() instead of duplicating it
IB/hfi1: Use pcie_flr() instead of duplicating it
PCI: imx6: Fix spelling mistake: "contol" -> "control"
...
While examining output from trial builds with -Wformat-security enabled,
many strings were found that should be defined as "const", or as a char
array instead of char pointer. This makes some static analysis easier,
by producing fewer false positives.
As these are all trivial changes, it seemed best to put them all in a
single patch rather than chopping them up per maintainer.
Link: http://lkml.kernel.org/r/20170405214711.GA5711@beast
Signed-off-by: Kees Cook <keescook@chromium.org>
Acked-by: Jes Sorensen <jes@trained-monkey.org> [runner.c]
Cc: Tony Lindgren <tony@atomide.com>
Cc: Russell King <linux@armlinux.org.uk>
Cc: "Maciej W. Rozycki" <macro@linux-mips.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net>
Cc: Viresh Kumar <viresh.kumar@linaro.org>
Cc: Daniel Vetter <daniel.vetter@intel.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Sean Paul <seanpaul@chromium.org>
Cc: David Airlie <airlied@linux.ie>
Cc: Yisen Zhuang <yisen.zhuang@huawei.com>
Cc: Salil Mehta <salil.mehta@huawei.com>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: Jiri Slaby <jslaby@suse.com>
Cc: Patrice Chotard <patrice.chotard@st.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: James Hogan <james.hogan@imgtec.com>
Cc: Paul Burton <paul.burton@imgtec.com>
Cc: Matt Redfearn <matt.redfearn@imgtec.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Mugunthan V N <mugunthanvnm@ti.com>
Cc: Felipe Balbi <felipe.balbi@linux.intel.com>
Cc: Jarod Wilson <jarod@redhat.com>
Cc: Florian Westphal <fw@strlen.de>
Cc: Antonio Quartulli <a@unstable.cc>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Kejian Yan <yankejian@huawei.com>
Cc: Daode Huang <huangdaode@hisilicon.com>
Cc: Qianqian Xie <xieqianqian@huawei.com>
Cc: Philippe Reynes <tremyfr@gmail.com>
Cc: Colin Ian King <colin.king@canonical.com>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Christian Gromm <christian.gromm@microchip.com>
Cc: Andrey Shvetsov <andrey.shvetsov@k2l.de>
Cc: Jason Litzinger <jlitzingerdev@gmail.com>
Cc: WANG Cong <xiyou.wangcong@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The PCIe programming sequence in TRM suggests CLKSTCTRL of PCIe should be
set to SW_WKUP. There are no issues when CLKSTCTRL is set to HW_AUTO in RC
mode. However in EP mode, the host system is not able to access the
MEMSPACE and setting the CLKSTCTRL to SW_WKUP fixes it.
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Starting from commit 5de85b9d57ab ("PM / runtime: Re-init runtime PM
states at probe error and driver unbind") pm_runtime core now changes
device runtime_status back to after RPM_SUSPENDED after a probe defer.
Certain OMAP devices make use of "ti,no-idle-on-init" flag which causes
omap_device_enable to be called during the BUS_NOTIFY_ADD_DEVICE event
during probe, along with pm_runtime_set_active.
This call to pm_runtime_set_active typically will prevent a call to
pm_runtime_get in a driver probe function from re-enabling the
omap_device. However, in the case of a probe defer that happens before
the driver probe function is able to run, such as a missing pinctrl
states defer, pm_runtime_reinit will set the device as RPM_SUSPENDED and
then once driver probe is actually able to run, pm_runtime_get will see
the device as suspended and call through to the omap_device layer,
attempting to enable the already enabled omap_device and causing errors
like this:
omap-gpmc 50000000.gpmc: omap_device: omap_device_enable() called from
invalid state 1
omap-gpmc 50000000.gpmc: use pm_runtime_put_sync_suspend() in driver?
We can avoid this error by making sure the pm_runtime status of a device
matches the omap_device state before a probe attempt. By extending the
omap_device bus notifier to act on the BUS_NOTIFY_BIND_DRIVER event we
can check if a device is enabled in omap_device but with a pm_runtime
status of RPM_SUSPENDED and once again mark the device as RPM_ACTIVE to
avoid a second incorrect call to omap_device_enable.
Fixes: 5de85b9d57ab ("PM / runtime: Re-init runtime PM states at probe
error and driver unbind")
Tested-by: Franklin S Cooper Jr. <fcooper@ti.com>
Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
I found this section mismatch when building with an older
compiler release:
WARNING: vmlinux.o(.text+0x3051c): Section mismatch in reference from the
function omap_init_rng() to the function .init.text:omap_device_build()
Obviously this one function should be __init as well. Normally
we don't get a warning as the function gets inlined into its
caller.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
[tony@atomide.com: formatted error message a bit]
Signed-off-by: Tony Lindgren <tony@atomide.com>
Add the SATA clockdomain (part of CM_DEFAULT) and a hwmod for the SATA
block on dm81xx.
Tested on DM8168 EVM.
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
[Bartosz: removed an unused define]
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
It seems that if L3_INIT clkdomain is kept in HW_AUTO while usb_otg_ss
is in use then there are random chances that the usb_otg_ss module
will fail to completely idle. i.e. IDLEST = 0x2 instead of 0x3.
Preventing L3_INIT from HW_AUTO while usb_otg_ss module is in use
fixes this issue.
We don't know yet if usb_otg_ss instances 3 and 4 are affected by this
issue or not so don't add this flag for those instances.
Cc: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Add HWMOD_CLKDM_NOAUTO flag to DCAN1 module.
Without this DCAN1 module remains stuck in transition
after the CAN interface is brought down. This is also suggested
in Errata i893 "DCAN Initialization Sequence".
Add the HWMOD_CLKDM_NOAUTO to DCAN2 module as well
as it is mentioned in Errata i893.
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Commit 3251885285e1 ("ARM: OMAP4+: Reset CPU1 properly for kexec") started
unconditionally resetting CPU1 because of a kexec boot issue I was seeing
earlier on omap4 when doing kexec boot between two different kernel
versions.
This caused issues on some systems. We should only reset CPU1 as a last
resort option, and try to avoid it where possible. Doing an unconditional
CPU1 reset causes issues for example when booting a bootloader configured
secure OS running on CPU1 as reported by Andrew F. Davis <afd@ti.com>.
We can't completely remove the reset of CPU1 as it would break kexec
booting from older kernels. But we can limit the CPU1 reset to cases
where CPU1 is wrongly parked within the memory area used by the booting
kernel. Then later on we can add support for parking CPU1 for kexec out
of the SDRAM back to bootrom.
So let's first fix the regression reported by Andrew by making CPU1 reset
conditional. To do this, we need to:
1. Save configured AUX_CORE_BOOT_1 for later
2. Modify AUX_CORE_BOOT_0 reading code to for HS SoCs to return
the whole register instead of the CPU mask
3. Check if CPU1 is wrongly parked into the booting kernel by the
previous kernel and reset if needed
Fixes: 3251885285e1 ("ARM: OMAP4+: Reset CPU1 properly for kexec")
Reported-by: Andrew F. Davis <afd@ti.com>
Cc: Andrew F. Davis <afd@ti.com>
Cc: Keerthy <j-keerthy@ti.com>
Cc: Russell King <rmk+kernel@armlinux.org.uk>
Cc: Santosh Shilimkar <ssantosh@kernel.org>
Cc: Tero Kristo <t-kristo@ti.com>
Tested-by: Keerthy <j-keerthy@ti.com>
Tested-by: Andrew F. Davis <afd@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Introduce HWMOD_CLKDM_NOAUTO flag that allows the hwmod's
clockdomain to be prevented from HW_AUTO while the hwmod is active.
This is needed to workaround some modules which don't function
correctly with HW_AUTO. e.g. DCAN on DRA7.
Signed-off-by: Roger Quadros <rogerq@ti.com>
[nsekhar@ti.com: rebased to v4.9 kernel]
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
'flags' member of omap_hwmod structure is fast running
out of space with 16 different flags already defined.
Make flags a 32-bit entity so as to allow for more flags.
This results is a ~2.3K data section size increase with
omap2plus_defconfig on v4.11-rc2.
before:
text data bss dec hex filename
8186930 3082444 8252992 19522366 129e33e vmlinux
after:
text data bss dec hex filename
8186922 3084812 8252992 19524726 129ec76 vmlinux
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
We want to be able to dynamically allocate struct omap_hwmod_ocp_if and
struct omap_hwmod at device driver probe time based on .dts data.
Current setup with the linkspace using memblock_virt_alloc() makes
this tricky, so let's get rid of struct linkspace and directly set up
struct omap_hwmod_ocp_if as the master and slave lists.
As we are currently not using the master_ports either, let's remove it
too. And let's add the struct omap_hwmod_ocp_if node directly to the
slave_ports list.
Signed-off-by: Tony Lindgren <tony@atomide.com>
Currently, TI clock driver uses an encapsulated struct that is cast into
a void pointer to store all register addresses. This can be considered
as rather nasty hackery, and prevents from expanding the register
address field also. Instead, replace all the code to use proper struct
in place for this, which contains all the previously used data.
This patch is rather large as it is touching multiple files, but this
can't be split up as we need to avoid any boot breakage.
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
This is not needed outside the driver, so move it inside it and remove
the prototype from the public header also.
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
This will be needed to move some additional clockdomain functionality
under clock driver.
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
As OMAP uses the standard suspend_valid_only_mem() for its
platform_suspend_ops.valid() callback, its platform_suspend_ops.enter()
callback will never be called with state equal to PM_SUSPEND_STANDBY.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Tony Lindgren <tony@atomide.com>
