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These are mostly minor cleanups and bugfixes that address harmless
problems.
The largest branch is a conversion of the omap platform
to use GPIO descriptors throughout the tree, for any devices that
are not fully converted to devicetree.
The Samsung Exynos platform gains back support for the Exynos4212
chip that was previously unused and removed but is now used for
the Samsung Galaxy Tab3.
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Merge tag 'soc-arm-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC updates from Arnd Bergmann:
"These are mostly minor cleanups and bugfixes that address harmless
problems.
The largest branch is a conversion of the omap platform to use GPIO
descriptors throughout the tree, for any devices that are not fully
converted to devicetree.
The Samsung Exynos platform gains back support for the Exynos4212 chip
that was previously unused and removed but is now used for the Samsung
Galaxy Tab3"
* tag 'soc-arm-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (24 commits)
ARM: omap2: Fix copy/paste bug
MAINTAINERS: Replace my email address
Input: ads7846 - fix pointer cast warning
Input: ads7846 - Fix usage of match data
ARM: omap2: Fix checkpatch issues
arm: omap1: replace printk() with pr_err macro
ARM: omap: Fix checkpatch issues
ARM: s3c: Switch i2c drivers back to use .probe()
ARM: versatile: mark mmc_status() static
ARM: spear: include "pl080.h" for pl080_get_signal() prototype
ARM: sa1100: address missing prototype warnings
ARM: pxa: fix missing-prototypes warnings
ARM: orion5x: fix d2net gpio initialization
ARM: omap2: fix missing tick_broadcast() prototype
ARM: omap1: add missing include
ARM: lpc32xx: add missing include
ARM: imx: add missing include
ARM: highbank: add missing include
ARM: ep93xx: fix missing-prototype warnings
ARM: davinci: fix davinci_cpufreq_init() declaration
...
Core GPIO library:
- remove unused symbols
- don't spam the kernel log with messages about hogs
- remove old sysfs API cruft
- improve handling of GPIO masks
New drivers
- add a driver for the BlueField-3 GPIO controller
- add GPIO support for the TPS65219 PMIC
Driver improvements:
- extend the gpio-aggregator driver to support ramp-up/ramp-down delay
- remove unnecessary CONFIG_OF guards from gpio-aggregator
- readability improvements in gpio-tangier
- switch i2c drivers back to using probe() now that it's been converted in
the i2c subsystem to not taking the id parameter
- remove unused inclusions of of_gpio.h in several drivers
- make pm ops static in gpio-davinci and fix a comment
- use more devres in drivers to shrink and simplify the code
- add missing include in gpio-sa1100
- add HAS_IOPORT KConfig dependency where needed
- add permissions checks before accessing pins in gpio-tegra186
- convert the gpio-zynq driver to using immutable irqchips
- preserve output settings set by the bootloader in gpio-mpc8xxx
Selftests:
- tweak the variable naming in script tests
Device tree updates:
- convert gpio-mmio and gpio-stmpe to YAML
- add parsing of GPIO hogs to gpio-vf610
- add bindings for the Cirrus EP93xx GPIO controller
- add gpio-line-names property to the gpio-pca9570 bindings
- extend the binding for x-powers,axp209 with another block
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Merge tag 'gpio-updates-for-v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio updates from Bartosz Golaszewski:
"We have two new drivers, some improvements to the core code, lots of
different updates to existing GPIO drivers and some dt-bindings on
top.
There's nothing controversial in here and almost everything has been
in next for more than a week (95% a lot longer than this). The only
thing that has spent less time in next is a new driver so no risk of
regressions.
The single merge pulls in changes that remove all usage of global GPIO
numbers from arch/arm/mach-omap.
Core GPIO library:
- remove unused symbols
- don't spam the kernel log with messages about hogs
- remove old sysfs API cruft
- improve handling of GPIO masks
New drivers:
- add a driver for the BlueField-3 GPIO controller
- add GPIO support for the TPS65219 PMIC
Driver improvements:
- extend the gpio-aggregator driver to support ramp-up/ramp-down
delay
- remove unnecessary CONFIG_OF guards from gpio-aggregator
- readability improvements in gpio-tangier
- switch i2c drivers back to using probe() now that it's been
converted in the i2c subsystem to not taking the id parameter
- remove unused inclusions of of_gpio.h in several drivers
- make pm ops static in gpio-davinci and fix a comment
- use more devres in drivers to shrink and simplify the code
- add missing include in gpio-sa1100
- add HAS_IOPORT KConfig dependency where needed
- add permissions checks before accessing pins in gpio-tegra186
- convert the gpio-zynq driver to using immutable irqchips
- preserve output settings set by the bootloader in gpio-mpc8xxx
Selftests:
- tweak the variable naming in script tests
Device tree updates:
- convert gpio-mmio and gpio-stmpe to YAML
- add parsing of GPIO hogs to gpio-vf610
- add bindings for the Cirrus EP93xx GPIO controller
- add gpio-line-names property to the gpio-pca9570 bindings
- extend the binding for x-powers,axp209 with another block"
* tag 'gpio-updates-for-v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux: (58 commits)
of: unittest: drop assertions for GPIO hog messages
gpiolib: Drop unused domain_ops memeber of GPIO IRQ chip
gpio: synq: remove unused zynq_gpio_irq_reqres/zynq_gpio_irq_relres
dt-bindings: gpio: gpio-vf610: Add parsing of hogs
gpio: lpc18xx: Remove unused of_gpio.h inclusion
gpio: xra1403: Remove unused of_gpio.h inclusion
gpio: mpc8xxx: Remove unused of_gpio.h inclusion
dt-bindings: gpio: Add Cirrus EP93xx
gpio: mpc8xxx: latch GPIOs state on module load when configured as output
selftests: gpio: gpio-sim: Use same variable name for sysfs pathname
gpio: mlxbf3: Add gpio driver support
gpio: delay: Remove duplicative functionality
gpio: aggregator: Set up a parser of delay line parameters
gpio: aggregator: Support delay for setting up individual GPIOs
gpio: aggregator: Remove CONFIG_OF and of_match_ptr() protections
dt-bindings: gpio: pca9570: add gpio-line-names property
gpiolib: remove unused gpio_cansleep()
gpio: tps65219: add GPIO support for TPS65219 PMIC
gpio: zynq: fix zynqmp_gpio not an immutable chip warning
gpio: davinci: make davinci_gpio_dev_pm_ops static
...
ARM exclusively uses GENERIC_IRQ_MULTI_HANDLER, so at some point
set_handle_irq() needs to be called to handle system-wide
interrupts.
For all DT-enabled boards, this call happens down in the
drivers/irqchip subsystem, after locating the target irqchip
driver from the device tree.
We still have a few instances of the boardfiles with machine
descriptors passing a machine-specific .handle_irq() to the
ARM kernel core.
Get rid of this by letting the few remaining machines consistently
call set_handle_irq() from the end of the .init_irq() callback
instead and diet down one member from the machine descriptor.
Cc: Marc Zyngier <maz@kernel.org>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Two patches for checkpatch warnings, and one change to use pr_err instead
of printk.
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Merge tag 'omap-for-v6.5/cleanup-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into soc/arm
Clean-up for omaps for v6.5
Two patches for checkpatch warnings, and one change to use pr_err instead
of printk.
* tag 'omap-for-v6.5/cleanup-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: omap2: Fix checkpatch issues
arm: omap1: replace printk() with pr_err macro
ARM: omap: Fix checkpatch issues
Link: https://lore.kernel.org/r/pull-1685946511-835910@atomide.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This removes the following checkpatch issues:
- ERROR: space required after that ',' (ctx:VxV)
- WARNING: Comparisons should place the constant on the right side of the test
Signed-off-by: Franziska Naepelt <franziska.naepelt@gmail.com>
Message-Id: <20230530182403.35646-1-franziska.naepelt@gmail.com>
[tony@atomide.com: add space also around '-' in addition to ',']
Signed-off-by: Tony Lindgren <tony@atomide.com>
arch/arm/mach-omap[12].
The patches have been reviewed and tested by everyone
who showed interest which was one person that tested
on OSK1 and Nokia 770, and we smoked out the bugs and
also addressed all review comments.
Any remaining problems can certainly be fixed in-tree.
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Merge tag 'gpio-omap-descriptors-v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio into soc/arm
This removes all usage of global GPIO numbers from
arch/arm/mach-omap[12].
The patches have been reviewed and tested by everyone
who showed interest which was one person that tested
on OSK1 and Nokia 770, and we smoked out the bugs and
also addressed all review comments.
Any remaining problems can certainly be fixed in-tree.
* tag 'gpio-omap-descriptors-v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
ARM/musb: omap2: Remove global GPIO numbers from TUSB6010
ARM: omap2: Rewrite WLAN quirk to use GPIO descriptors
ARM: omap2: Get USB hub reset GPIO from descriptor
ARM/gpio: Push OMAP2 quirk down into TWL4030 driver
ARM: omap1: Exorcise the legacy GPIO header
ARM: omap1: Make serial wakeup GPIOs use descriptors
ARM: omap1: Fix up the Nokia 770 board device IRQs
ARM/mmc: Convert old mmci-omap to GPIO descriptors
Input: ads7846 - Convert to use software nodes
ARM: omap1: Remove reliance on GPIO numbers from SX1
ARM: omap1: Remove reliance on GPIO numbers from PalmTE
ARM: omap1: Drop header on AMS Delta
ARM/mfd/gpio: Fixup TPS65010 regression on OMAP1 OSK1
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The omap_serial_wakeup_init() declaration is not visible where it is
defined, so make sure "common.h" is included here, avoiding:
arch/arm/mach-omap1/serial.c:221:12: error: no previous prototype for 'omap_serial_wakeup_init' [-Werror=missing-prototypes]
Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Link: https://lore.kernel.org/r/20230516153109.514251-8-arnd@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
After fixing all the offending users referencing the global GPIO
numberspace in OMAP1, a few sites still remain including the
legacy <linus/gpio.h> header for no reason.
Delete the last remaining users, and OMAP1 is free from legacy
GPIO dependencies.
Fixes: 92bf78b33b ("gpio: omap: use dynamic allocation of base")
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The code in serial.c looks up GPIOs corresponding to a line
on the UART when muxed in as GPIO to use this as a wakeup
on serial activity for OMAP1.
Utilize the NULL device to define some board-specific
GPIO lookups and use these to immediately look up the
same GPIOs, set as input and convert to IRQ numbers,
then set these to wakeup IRQs. This is ugly but should work.
This is only needed on the OSK1 and Nokia 770 devices that
use the OMAP16xx.
Fixes: 92bf78b33b ("gpio: omap: use dynamic allocation of base")
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The platform devices on the Nokia 770 is using some
board-specific IRQs that get statically assigned to platform
devices in the boardfile.
This does not work with dynamic IRQ chip bases.
Utilize the NULL device to define some board-specific
GPIO lookups and use these to immediately look up the
same GPIOs, convert to IRQ numbers and pass as resources
to the devices. This is ugly but should work.
Fixes: 92bf78b33b ("gpio: omap: use dynamic allocation of base")
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
A recent change to the OMAP driver making it use a dynamic GPIO
base created problems with some old OMAP1 board files, among
them Nokia 770, SX1 and also the OMAP2 Nokia n8x0.
Fix up all instances of GPIOs being used for the MMC driver
by pushing the handling of power, slot selection and MMC
"cover" into the driver as optional GPIOs.
This is maybe not the most perfect solution as the MMC
framework have some central handlers for some of the
stuff, but it at least makes the situtation better and
solves the immediate issue.
Fixes: 92bf78b33b ("gpio: omap: use dynamic allocation of base")
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The Nokia 770 is using GPIOs from the global numberspace on the
CBUS node to pass down to the LCD controller. This regresses when we
let the OMAP GPIO driver use dynamic GPIO base.
The Nokia 770 now has dynamic allocation of IRQ numbers, so this
needs to be fixed for it to work.
As this is the only user of LCD MIPID we can easily augment the
driver to use a GPIO descriptor instead and resolve the issue.
The platform data .shutdown() callback wasn't even used in the
code, but we encode a shutdown asserting RESET in the remove()
callback for completeness sake.
The CBUS also has the ADS7846 touchscreen attached.
Populate the devices on the Nokia 770 CBUS I2C using software
nodes instead of platform data quirks. This includes the LCD
and the ADS7846 touchscreen so the conversion just brings the LCD
along with it as software nodes is an all-or-nothing design
pattern.
The ADS7846 has some limited support for using GPIO descriptors,
let's convert it over completely to using device properties and then
fix all remaining boardfile users to provide all platform data using
software nodes.
Dump the of includes and of_match_ptr() in the ADS7846 driver as part
of the job.
Since we have to move ADS7846 over to obtaining the GPIOs it is
using exclusively from descriptors, we provide descriptor tables
for the two remaining in-kernel boardfiles using ADS7846:
- PXA Spitz
- MIPS Alchemy DB1000 development board
It was too hard for me to include software node conversion of
these two remaining users at this time: the spitz is using a
hscync callback in the platform data that would require further
GPIO descriptor conversion of the Spitz, and moving the hsync
callback down into the driver: it will just become too big of
a job, but it can be done separately.
The MIPS Alchemy DB1000 is simply something I cannot test, so take
the easier approach of just providing some GPIO descriptors in
this case as I don't want the patch to grow too intrusive.
As we see that several device trees have incorrect polarity flags
and just expect to bypass the gpiolib polarity handling, fix up
all device trees too, in a separate patch.
Suggested-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Fixes: 92bf78b33b ("gpio: omap: use dynamic allocation of base")
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Reviewed-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
It appears this happens because the OMAP driver now
allocates GPIO numbers dynamically, so all that is
references by number is a bit up in the air.
Utilize the NULL device to define some board-specific
GPIO lookups and use these to immediately look up the
same GPIOs, convert to IRQ numbers and pass as resources
to the devices. This is ugly but should work.
Fixes: 92bf78b33b ("gpio: omap: use dynamic allocation of base")
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
It appears this happens because the OMAP driver now
allocates GPIO numbers dynamically, so all that is
references by number is a bit up in the air.
Utilize the NULL device to define some board-specific
GPIO lookups and use these to immediately look up the
same GPIOs, convert to IRQ numbers and pass as resources
to the devices. This is ugly but should work.
Fixes: 92bf78b33b ("gpio: omap: use dynamic allocation of base")
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The AMS Delta board uses GPIO descriptors exclusively and
does not have any dependencies on the legacy <linux/gpio.h>
header, so just drop it.
Acked-by: Janusz Krzysztofik <jmkrzyszt@gmail.com>
Fixes: 92bf78b33b ("gpio: omap: use dynamic allocation of base")
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Aaro reports problems on the OSK1 board after we altered
the dynamic base for GPIO allocations.
It appears this happens because the OMAP driver now
allocates GPIO numbers dynamically, so all that is
references by number is a bit up in the air.
Let's bite the bullet and try to just move the gpio_chip
in the tps65010 MFD driver over to using dynamic allocations.
Alter everything in the OSK1 board file to use a GPIO
descriptor table and lookups.
Utilize the NULL device to define some board-specific
GPIO lookups and use these to immediately look up the
same GPIOs, convert to IRQ numbers and pass as resources
to the devices. This is ugly but should work.
The .setup() callback for tps65010 was used for some GPIO
hogging, but since the OSK1 is the only user in the entire
kernel we can alter the signatures to something that
is helpful and make a clean transition.
Fixes: 92bf78b33b ("gpio: omap: use dynamic allocation of base")
Cc: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: andy.shevchenko@gmail.com
Cc: Andreas Kemnade <andreas@kemnade.info>
Acked-by: Lee Jones <lee@kernel.org>
Reviewed-by: Lee Jones <lee@kernel.org>
Reported-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
New drivers:
- add a driver for the Loongson GPIO controller
- add a driver for the fxl6408 I2C GPIO expander
- add a GPIO module containing code common for Intel Elkhart Lake and
Merrifield platforms
- add a driver for the Intel Elkhart Lake platform reusing the code from
the intel tangier library
GPIOLIB core:
- GPIO ACPI improvements
- simplify gpiochip_add_data_with_keys() fwnode handling
- cleanup header inclusions (remove unneeded ones, order the rest
alphabetically)
- remove duplicate code (reuse krealloc() instead of open-coding it, drop
a duplicated check in gpiod_find_and_request())
- reshuffle the code to remove unnecessary forward declarations
- coding style cleanups and improvements
- add a helper for accessing device fwnodes
- small updates in docs
Driver improvements:
- convert all remaining GPIO irqchip drivers to using immutable irqchips
- drop unnecessary of_match_ptr() macro expansions
- shrink the code in gpio-merrifield significantly by reusing the code from
gpio-tangier + minor tweaks to the driver code
- remove MODULE_LICENSE() from drivers that can only be built-in
- add device-tree support to gpio-loongson1
- use new regmap features in gpio-104-dio-48e and gpio-pcie-idio-24
- minor tweaks and fixes to gpio-xra1403, gpio-sim, gpio-tegra194, gpio-omap,
gpio-aspeed, gpio-raspberrypi-exp
- shrink code in gpio-ich and gpio-pxa
- Kconfig tweak for gpio-pmic-eic-sprd
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Merge tag 'gpio-updates-for-v6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio updates from Bartosz Golaszewski:
"We have some new drivers, significant refactoring of existing intel
platforms, lots of improvements all around, mass conversion to using
immutable irqchips by drivers that had not been converted individually
yet and some changes in the core library code.
Summary:
New drivers:
- add a driver for the Loongson GPIO controller
- add a driver for the fxl6408 I2C GPIO expander
- add a GPIO module containing code common for Intel Elkhart Lake and
Merrifield platforms
- add a driver for the Intel Elkhart Lake platform reusing the code
from the intel tangier library
GPIOLIB core:
- GPIO ACPI improvements
- simplify gpiochip_add_data_with_keys() fwnode handling
- cleanup header inclusions (remove unneeded ones, order the rest
alphabetically)
- remove duplicate code (reuse krealloc() instead of open-coding it,
drop a duplicated check in gpiod_find_and_request())
- reshuffle the code to remove unnecessary forward declarations
- coding style cleanups and improvements
- add a helper for accessing device fwnodes
- small updates in docs
Driver improvements:
- convert all remaining GPIO irqchip drivers to using immutable
irqchips
- drop unnecessary of_match_ptr() macro expansions
- shrink the code in gpio-merrifield significantly by reusing the
code from gpio-tangier + minor tweaks to the driver code
- remove MODULE_LICENSE() from drivers that can only be built-in
- add device-tree support to gpio-loongson1
- use new regmap features in gpio-104-dio-48e and gpio-pcie-idio-24
- minor tweaks and fixes to gpio-xra1403, gpio-sim, gpio-tegra194,
gpio-omap, gpio-aspeed, gpio-raspberrypi-exp
- shrink code in gpio-ich and gpio-pxa
- Kconfig tweak for gpio-pmic-eic-sprd"
* tag 'gpio-updates-for-v6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux: (99 commits)
gpio: gpiolib: Simplify gpiochip_add_data_with_key() fwnode
gpiolib: Add gpiochip_set_data() helper
gpiolib: Move gpiochip_get_data() higher in the code
gpiolib: Check array_info for NULL only once in gpiod_get_array()
gpiolib: Replace open coded krealloc()
gpiolib: acpi: Add a ignore wakeup quirk for Clevo NL5xNU
gpiolib: acpi: Move ACPI device NULL check to acpi_get_driver_gpio_data()
gpiolib: acpi: use the fwnode in acpi_gpiochip_find()
gpio: mm-lantiq: Fix typo in the newly added header filename
sh: mach-x3proto: Add missing #include <linux/gpio/driver.h>
powerpc/40x: Add missing select OF_GPIO_MM_GPIOCHIP
gpio: xlp: Convert to immutable irq_chip
gpio: xilinx: Convert to immutable irq_chip
gpio: xgs-iproc: Convert to immutable irq_chip
gpio: visconti: Convert to immutable irq_chip
gpio: tqmx86: Convert to immutable irq_chip
gpio: thunderx: Convert to immutable irq_chip
gpio: stmpe: Convert to immutable irq_chip
gpio: siox: Convert to immutable irq_chip
gpio: rda: Convert to immutable irq_chip
...
Return value directly from platform_device_register()
instead of getting value from redundant variable err.
Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Jinpeng Cui <cui.jinpeng2@zte.com.cn>
Message-Id: <20220830142136.299373-1-cui.jinpeng2@zte.com.cn>
Signed-off-by: Tony Lindgren <tony@atomide.com>
The convention for indentation seems to be a single tab. Help text is
further indented by an additional two whitespaces. Fix the lines that
violate these rules.
Signed-off-by: Juerg Haefliger <juerg.haefliger@canonical.com>
Message-Id: <20230315091152.132443-1-juerg.haefliger@canonical.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is (mostly) ignored
and this typically results in resource leaks. To improve here there is a
quest to make the remove callback return void. In the first step of this
quest all drivers are converted to .remove_new() which already returns
void.
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Shawn Guo <shawnguo@kernel.org> # for imx/mmdc
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20230314103225.2787101-1-u.kleine-koenig@pengutronix.de
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Almost all gpio drivers include linux/gpio/driver.h, and other
files should not rely on includes from this header.
Remove the indirect include from here and include the correct
headers directly from where they are used.
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Lee Jones <lee@kernel.org>
The majority of the changes are for the OMAP2 platform, mostly
removing some dead code that got left behind from previous cleanups.
Aside from that, there are very minor updates and correctness fixes for
Zynq, i.MX, Samsung, Broadcom, AT91, ep93xx, and OMAP1.
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Merge tag 'arm-soc-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC updates from Arnd Bergmann:
"The majority of the changes are for the OMAP2 platform, mostly
removing some dead code that got left behind from previous cleanups.
Aside from that, there are very minor updates and correctness fixes
for Zynq, i.MX, Samsung, Broadcom, AT91, ep93xx, and OMAP1"
* tag 'arm-soc-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (26 commits)
dt-bindings: soc: samsung: exynos-pmu: allow phys as child
ARM: imx: mach-imx6ul: add imx6ulz support
ARM: imx: Call ida_simple_remove() for ida_simple_get
arm64: drop redundant "ARMv8" from Kconfig option title
ARM: ep93xx: Convert to use descriptors for GPIO LEDs
ARM: s3c: fix s3c64xx_set_timer_source prototype
ARM: OMAP2+: Fix spelling typos in comment
ARM: OMAP2+: Remove unneeded #include <linux/pinctrl/machine.h>
ARM: OMAP2+: Remove unneeded #include <linux/pinctrl/pinmux.h>
ARM: OMAP1: call platform_device_put() in error case in omap1_dm_timer_init()
ARM: BCM63xx: remove useless goto statement
ARM: omap2: make functions static
ARM: omap2: remove unused omap2_pm_init
ARM: omap2: remove unused declarations
ARM: omap2: remove unused functions
ARM: omap2: smartreflex: remove on_init control
ARM: omap2: remove APLL control
ARM: omap2: simplify clock2xxx header
ARM: omap2: remove unused omap_hwmod_reset.c
ARM: omap2: remove unused headers
...
If platform_device_add() is not called or failed, it should call
platform_device_put() in error case.
Fixes: 97933d6ced ("ARM: OMAP1: dmtimer: conversion to platform devices")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Message-Id: <20220701094602.2365099-1-yangyingliang@huawei.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
The only bit that is still in use is the OMAP_IH2_*_*
macros, so move them into the existing hardware.h file.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
After the removal of the unused board files, I went through the
omap1 code to look for code that no longer has any callers
and remove that.
In particular, support for the omap7xx/omap8xx family is now
completely unused, so I'm only leaving omap15xx/omap16xx/omap59xx.
Cc: Aaro Koskinen <aaro.koskinen@iki.fi>
Cc: Janusz Krzysztofik <jmkrzyszt@gmail.com>
Cc: linux-omap@vger.kernel.org
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
All board support that was marked as 'unused' earlier can
now be removed, leaving the five machines that that still
had someone using them in 2022, or that are supported in
qemu.
Cc: Aaro Koskinen <aaro.koskinen@iki.fi>
Cc: Janusz Krzysztofik <jmkrzyszt@gmail.com>
Cc: Tony Lindgren <tony@atomide.com>
Cc: linux-omap@vger.kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
In some randconfig builds, the asm/irq.h header is not included
in gpio15xx.c, so add an explicit include to avoid a build fialure:
In file included from arch/arm/mach-omap1/gpio15xx.c:15:
arch/arm/mach-omap1/irqs.h:99:34: error: 'NR_IRQS_LEGACY' undeclared here (not in a function)
99 | #define IH2_BASE (NR_IRQS_LEGACY + 32)
| ^~~~~~~~~~~~~~
arch/arm/mach-omap1/irqs.h:105:38: note: in expansion of macro 'IH2_BASE'
105 | #define INT_MPUIO (5 + IH2_BASE)
| ^~~~~~~~
arch/arm/mach-omap1/gpio15xx.c:28:27: note: in expansion of macro 'INT_MPUIO'
28 | .start = INT_MPUIO,
| ^~~~~~~~~
Acked-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
While compile-testing randconfig builds for the upcoming boardfile
removal, I noticed that an earlier patch of mine was completely
broken, and the introduction of CONFIG_ARCH_OMAP1_ANY only replaced
one set of build failures with another one, now resulting in
link failures like
ld: drivers/video/fbdev/omap/omapfb_main.o: in function `omapfb_do_probe':
drivers/video/fbdev/omap/omapfb_main.c:1703: undefined reference to `omap_set_dma_priority'
ld: drivers/dma/ti/omap-dma.o: in function `omap_dma_free_chan_resources':
drivers/dma/ti/omap-dma.c:777: undefined reference to `omap_free_dma'
drivers/dma/ti/omap-dma.c:1685: undefined reference to `omap_get_plat_info'
ld: drivers/usb/gadget/udc/omap_udc.o: in function `next_in_dma':
drivers/usb/gadget/udc/omap_udc.c:820: undefined reference to `omap_get_dma_active_status'
I tried reworking it, but the resulting patch ended up much bigger than
simply avoiding the original problem of unused-function warnings like
arch/arm/mach-omap1/mcbsp.c:76:30: error: unused variable 'omap1_mcbsp_ops' [-Werror,-Wunused-variable]
As a result, revert the previous fix, and rearrange the code that
produces warnings to hide them. For mcbsp, the #ifdef check can
simply be removed as the cpu_is_omapxxx() checks already achieve
the same result, while in the io.c the easiest solution appears to
be to merge the common map bits into each soc specific portion.
This gets cleaned in a nicer way after omap7xx support gets dropped,
as the remaining SoCs all have the exact same I/O map.
Fixes: 615dce5bf7 ("ARM: omap1: fix build with no SoC selected")
Cc: stable@vger.kernel.org
Acked-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Instead of passing GPIO numbers pertaining to ourselves through
platform data, just request GPIO descriptors from our own GPIO
chips and use them, and cut down on the unnecessary complexity.
Cc: Aaro Koskinen <aaro.koskinen@iki.fi>
Cc: Janusz Krzysztofik <jmkrzyszt@gmail.com>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Cory Maccarrone <darkstar6262@gmail.com>
Cc: linux-omap@vger.kernel.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee@kernel.org>
Link: https://lore.kernel.org/r/20220905115810.5987-1-linus.walleij@linaro.org
There are a number of old Makefile.boot files that remain from the
multiplatform conversion, and three that are still in use.
These provide the "ZRELADDR", "PARAMS_PHYS" and "INITRD_PHYS" values
that are platform specific. It turns out that we can generally just
derive this from information that is available elsewhere:
- ZRELADDR is normally detected at runtime with the
CONFIG_AUTO_ZRELADDR flag, but also needed to be passed to
for 'make uImage'. In a multiplatform kernel, one always has
to pass this as the $(LOADADDR) variable, but in the StrongARM
kernels we can derive it from the sum of $(CONFIG_PHYS_OFFSET)
and $(TEXT_OFFSET) that are already known.
- PARAMS_PHYS and INITRD_PHYS are only used for bootpImage, which
in turn is only used for the pre-ATAGS 'param_struct' based boot
interface on StrongARM based machines with old boot loaders.
They can both be derived from CONFIG_PHYS_OFFSET and a machine
specific offset for the initrd, so all of the logic for these
can be part of arch/arm/boot/bootp/Makefile.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Here is the set of SPDX comment updates for 6.0-rc1.
Nothing huge here, just a number of updated SPDX license tags and
cleanups based on the review of a number of common patterns in GPLv2
boilerplate text. Also included in here are a few other minor updates,
2 USB files, and one Documentation file update to get the SPDX lines
correct.
All of these have been in the linux-next tree for a very long time.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'spdx-6.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/spdx
Pull SPDX updates from Greg KH:
"Here is the set of SPDX comment updates for 6.0-rc1.
Nothing huge here, just a number of updated SPDX license tags and
cleanups based on the review of a number of common patterns in GPLv2
boilerplate text.
Also included in here are a few other minor updates, two USB files,
and one Documentation file update to get the SPDX lines correct.
All of these have been in the linux-next tree for a very long time"
* tag 'spdx-6.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/spdx: (28 commits)
Documentation: samsung-s3c24xx: Add blank line after SPDX directive
x86/crypto: Remove stray comment terminator
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_406.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_398.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_391.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_390.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_385.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_320.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_319.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_318.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_298.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_292.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_179.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_168.RULE (part 2)
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_168.RULE (part 1)
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_160.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_152.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_149.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_147.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_133.RULE
...
Legacy board files with no known users are planned to get removed in
early 2023, and this covers the majority of the omap1 boards as well.
According to Tony, the actual users are all on OSK, Nokia770, and
AMS-Delta. Additionally, the sx1 and palmte boards are supported by qemu,
which is convenient for testing, so all five stay around past the initial
board removal.
As omap1 is now part of the multiplatform build and uses the common-clk
framework, it has become easier to convert these to use devicetree
based booting in the future.
Cc: Janusz Krzysztofik <jmkrzyszt@gmail.com>
Cc: Tony Lindgren <tony@atomide.com>
Cc: linux-omap@vger.kernel.org
Acked-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
There are a total of eight platforms that only suppor ATAGS based boot
with board files but no devicetree booting.
For dove, the DT support is part of the mvebu platform, which shares
driver but no code in arch/arm.
Most of these will never get converted to DT, and the majority of the
board files appear to be entirely unused already. There are still known
users on a few machines, and there may be interest in converting some
omap1, ep93xx or footbridge machines over in the future.
For the moment, just add a Kconfig dependency to hide these platforms
completely when CONFIG_ATAGS is disabled, and reorder the priority
of the options: Rather than offering to turn ATAGS off for platforms
that have DT support, make it a top-level setting that determines
which platforms are visible.
The s3c24xx platform supports one machine with DT support, but it
cannot be built without also including ATAGS support, and the
entire platform is scheduled for removal, so leaving the entire
platform behind a dependency seems good enough.
All defconfig files should keep working, as the option remains default
enabled.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Based on the normalized pattern:
this program is free software you can redistribute it and/or modify it
under the terms of the gnu general public license version 2 as
published by the free software foundation this program is distributed
as is without any warranty of any kind whether express or implied
without even the implied warranty of merchantability or fitness for a
particular purpose see the gnu general public license for more details
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-only
has been chosen to replace the boilerplate/reference.
Reviewed-by: Allison Randal <allison@lohutok.net>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Based on the normalized pattern:
this package is free software you can redistribute it and/or modify it
under the terms of the gnu general public license version 2 as
published by the free software foundation this package is provided as
is and without any express or implied warranties including without
limitation the implied warranties of merchantibility and fitness for a
particular purpose
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-only
has been chosen to replace the boilerplate/reference.
Reviewed-by: Allison Randal <allison@lohutok.net>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Based on the normalized pattern:
this file is licensed under the terms of the gnu general public
license version 2 this program is licensed as is without any warranty
of any kind whether express or implied
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-only
has been chosen to replace the boilerplate/reference.
Reviewed-by: Allison Randal <allison@lohutok.net>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Based on the normalized pattern:
this program is free software you can redistribute it and/or modify it
under the terms of the gnu general public license as published by the
free software foundation version 2 this program is distributed as is
without any warranty of any kind whether express or implied without
even the implied warranty of merchantability or fitness for a
particular purpose see the gnu general public license for more details
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-only
has been chosen to replace the boilerplate/reference.
Reviewed-by: Allison Randal <allison@lohutok.net>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
With all the header files out of the way, and the clock driver
converted to the common framework, nothing stops us from building
OMAP together with the other platforms.
As usual, the decompressor support is a victim here, and is
only available when CONFIG_DEBUG_LL is configured for the
particular board.
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
OMAP1 still uses its own implementation of standard clock API defined in
include/linux/clk.h. Internals of that implementation are not visible
outside OMAP1 directory. As a consequence, device drivers are not able to
register clocks potentially provided by peripheral devices.
Drop OMAP1 implementation of the clock API and enable common clock
framework. Modify the remaining low level code to be compatible with
clock provider API and register the clocks with CCF.
Move initialisation of clocks to omap1_timer_init() to avoid memory
allocation issues at early setup phase from where omap1_init_early() is
called. Register the clocks after initialization of clock I/O registers,
local clock pointers used by OMAP1 clock ops, and local .rate fields of
clocks with no local implementation of .recalc ops, so CCF structures are
populated with correct data during clock registration. Instead of
enabling some of the registered clocks, flag them for CCF as critical.
Introduce .is_enabled op using code that verifies hardware status of clock
enablement, split out from implementation of .disable_unused op, so the
latter is actually called by CCF for not requested but hardware enabled
clocks. Add .round_rate ops where missing so .set_rate ops are called by
CCF as expected. Since CCF allows parallel execution of .enable/.disable
and .set_rate ops, protect registers shared among those groups of ops from
concurrent access with spinlocks. Drop local debugfs support in favor of
that provided by CCF.
v2: flag tc2_ck as CLK_IS_CRITICAL (Aaro)
v3: rebase on top of soc/omap1-multiplatform-5.18,
- drop no longer needed includes from arch/arm/mach-omap1/io.c
Signed-off-by: Janusz Krzysztofik <jmkrzyszt@gmail.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
One of my multiplatform patches went a little too far and removed
a declaration that is needed for compile-testing the omapfb
driver on non-OMAP1 platforms:
arm-linux-gnueabi-ld: drivers/video/fbdev/omap/omapfb_main.o: in function `omapfb_do_probe':
omapfb_main.c:(.text+0x41ec): undefined reference to `omap_set_dma_priority'
Add back the inline stub, and in turn hide the definition when
omapfb is disabled, like we do for the usb specific bits.
Reported-by: kernel test robot <lkp@intel.com>
Reviewed-by: Tony Lindgren <tony@atomide.com>
Fixes: 52ef8efcb7 ("dma: omap: hide legacy interface")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Moving the plat-omap files triggered a sparse warning for omap1 and
omap2 that is now in a different file from before. Found some more sparse
warnings here that I address by making sure the declaration is visible
to both the caller and the callee, or they are static
mach-omap1/fb.c:33:17: warning: symbol 'omap_fb_resources' was not declared. Should it be static?
mach-omap1/timer32k.c:215:12: warning: symbol 'omap_init_clocksource_32k' was not declared. Should it be static?
mach-omap1/i2c.c:36:12: warning: symbol 'omap_i2c_add_bus' was not declared. Should it be static?
mach-omap1/i2c.c:115:12: warning: symbol 'omap_register_i2c_bus_cmdline' was not declared. Should it be static?
mach-omap1/i2c.c:140:12: warning: symbol 'omap_register_i2c_bus' was not declared. Should it be static?
mach-omap2/dma.c:180:34: warning: symbol 'dma_plat_info' was not declared. Should it be static?
mach-omap2/omap4-common.c:116:6: warning: symbol 'omap_interconnect_sync' was not declared. Should it be static?
mach-omap2/omap-iommu.c:113:5: warning: symbol 'omap_iommu_set_pwrdm_constraint' was not declared. Should it be static?
Reported-by: kernel test robot <lkp@intel.com>
Reviewed-by: Tony Lindgren <tony@atomide.com>
Tested-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Moving sram code from plat-omap got the attention of the kernel test robot.
I found a few more places with related warnings because the sram
references are a mix of kernel pointers and __iomem pointers:
mach-omap1/sram-init.c:56:17: warning: cast removes address space '__iomem' of expression
mach-omap1/board-ams-delta.c:667:9: warning: incorrect type in argument 1 (different base types)
mach-omap2/sram.c:78:17: warning: cast removes address space '__iomem' of expression
mach-omap2/omap4-common.c:142:27: warning: incorrect type in assignment (different address spaces)
mach-omap2/omap4-common.c:142:27: expected void [noderef] __iomem *static [toplevel] sram_sync
mach-omap2/omap4-common.c:142:27: got void *
mach-omap2/pm34xx.c:113:45: warning: incorrect type in argument 1 (different address spaces)
mach-omap2/pm34xx.c:113:45: expected void [noderef] __iomem *save_regs
mach-omap2/pm34xx.c:113:45: got void *extern [addressable] [toplevel] omap3_secure_ram_storage
There is no good solution here, as sram is a bit special in this
regard. Change the annotations to at least shut up the warnings.
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Various spelling mistakes in comments.
Detected with the help of Coccinelle.
Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
Reviewed-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Various spelling mistakes in comments.
Detected with the help of Coccinelle.
Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
Reviewed-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
