ARM: omap1: move mach/*.h into mach directory

Most of the header files are no longer referenced from outside
arch/arm/mach-omap1, so move them all to that place directly
and change their users to us

ARM: omap1: move mach/*.h into mach directory

Most of the header files are no longer referenced from outside
arch/arm/mach-omap1, so move them all to that place directly
and change their users to use the new location.

The exceptions are:

- mach/compress.h is used by the core architecture code
- mach/serial.h is used by mach/compress.h

The mach/memory.h is empty and gets removed in the process,
avoiding the need for CONFIG_NEED_MACH_MEMORY_H.

Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

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ARM: OMAP1: ams-delta FIQ: Fix a typo ("Initiaize")

Fix a typo ("Initiaize").

Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Message-Id: <20191002145301.11332-1-j.neuschaefer@gmx.net>
S

ARM: OMAP1: ams-delta FIQ: Fix a typo ("Initiaize")

Fix a typo ("Initiaize").

Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Message-Id: <20191002145301.11332-1-j.neuschaefer@gmx.net>
Signed-off-by: Tony Lindgren <tony@atomide.com>

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ARM: OMAP1: ams-delta-fiq: Fix missing irq_ack

Non-serio path of Amstrad Delta FIQ deferred handler depended on
irq_ack() method provided by OMAP GPIO driver. That method has been
removed by commit

ARM: OMAP1: ams-delta-fiq: Fix missing irq_ack

Non-serio path of Amstrad Delta FIQ deferred handler depended on
irq_ack() method provided by OMAP GPIO driver. That method has been
removed by commit 693de831c6e5 ("gpio: omap: remove irq_ack method").
Remove useless code from the deferred handler and reimplement the
missing operation inside the base FIQ handler.

Should another dependency - irq_unmask() - be ever removed from the OMAP
GPIO driver, WARN once if missing.

Signed-off-by: Janusz Krzysztofik <jmkrzyszt@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

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treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500

Based on 2 normalized pattern(s):

this program is free software you can redistribute it and or modify
it under the terms of th

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500

Based on 2 normalized pattern(s):

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 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 #

extracted by the scancode license scanner the SPDX license identifier

GPL-2.0-only

has been chosen to replace the boilerplate/reference in 4122 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Enrico Weigelt <info@metux.net>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190604081206.933168790@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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gpio: pass lookup and descriptor flags to request_own

When a gpio_chip wants to request a descriptor from itself
using gpiochip_request_own_desc() it needs to be able to specify
fully how to use the

gpio: pass lookup and descriptor flags to request_own

When a gpio_chip wants to request a descriptor from itself
using gpiochip_request_own_desc() it needs to be able to specify
fully how to use the descriptor, notably line inversion
semantics. The workaround in the gpiolib.c can be removed
and cases (such as SPI CS) where we need at times to request
a GPIO with line inversion semantics directly on a chip for
workarounds, can be fully supported with this call.

Fix up some users of the API that weren't really using the
last flag to set up the line as input or output properly
but instead just calling direction setting explicitly
after requesting the line.

Cc: Martin Sperl <kernel@martin.sperl.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

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gpio: Pass a flag to gpiochip_request_own_desc()

Before things go out of hand, make it possible to pass
flags when requesting "own" descriptors from a gpio_chip.
This is necessary if the chip wants

gpio: Pass a flag to gpiochip_request_own_desc()

Before things go out of hand, make it possible to pass
flags when requesting "own" descriptors from a gpio_chip.
This is necessary if the chip wants to request a GPIO with
active low semantics, for example.

Cc: Janusz Krzysztofik <jmkrzyszt@gmail.com>
Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Jiri Kosina <jkosina@suse.cz>
Cc: Roger Quadros <rogerq@ti.com>
Reviewed-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

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ARM: OMAP1: ams-delta: make board header file local to mach-omap1

Now as the board header file is no longer included by drivers, move it
to the root directory of mach-omap1.

Signed-off-by: Janusz K

ARM: OMAP1: ams-delta: make board header file local to mach-omap1

Now as the board header file is no longer included by drivers, move it
to the root directory of mach-omap1.

Signed-off-by: Janusz Krzysztofik <jmkrzyszt@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

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Input: ams_delta_serio: Get FIQ buffer from platform_data

Instead of exporting the FIQ buffer symbol to be used in
ams-delta-serio driver, pass it to the driver as platform_data.

Signed-off-by: Jan

Input: ams_delta_serio: Get FIQ buffer from platform_data

Instead of exporting the FIQ buffer symbol to be used in
ams-delta-serio driver, pass it to the driver as platform_data.

Signed-off-by: Janusz Krzysztofik <jmkrzyszt@gmail.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

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Input: ams_delta_serio: use IRQ resource

The driver still obtains IRQ number from a hardcoded GPIO. Use IRQ
resource instead.

For this to work on Amstrad Delta, add the IRQ resource to
ams-delta-s

Input: ams_delta_serio: use IRQ resource

The driver still obtains IRQ number from a hardcoded GPIO. Use IRQ
resource instead.

For this to work on Amstrad Delta, add the IRQ resource to
ams-delta-serio platform device structure. Obtain the IRQ number
assigned to "keybrd_clk" GPIO pin from FIQ initialization routine.

As a benefit, the driver no longer needs to include
<mach/board-ams-delta.h>.

Signed-off-by: Janusz Krzysztofik <jmkrzyszt@gmail.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

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ARM: OMAP1: Get rid of <mach/ams-delta-fiq.h>

Split the header file into two parts and move them to directories where
they belong.

Information on internal structure of FIQ buffer is moved to
<linux

ARM: OMAP1: Get rid of <mach/ams-delta-fiq.h>

Split the header file into two parts and move them to directories where
they belong.

Information on internal structure of FIQ buffer is moved to
<linux/platform_data/ams-delta-fiq.h> for ams-delta-serio driver use.

Other information used by ams-delta board init file and FIQ code is
made local to mach-omap1 root directory.

Signed-off-by: Janusz Krzysztofik <jmkrzyszt@gmail.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

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ARM: OMAP1: ams-delta FIQ: Keep serio input GPIOs requested

From the very beginning, input GPIO pins of ams-delta serio port have
been used by FIQ handler, not serio driver.

Don't request those pin

ARM: OMAP1: ams-delta FIQ: Keep serio input GPIOs requested

From the very beginning, input GPIO pins of ams-delta serio port have
been used by FIQ handler, not serio driver.

Don't request those pins from the ams-delta-serio driver any longer,
instead keep them requested and initialized by the FIQ initialization
routine which already requests them and releases while identifying GPIO
IRQs.

Signed-off-by: Janusz Krzysztofik <jmkrzyszt@gmail.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

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ARM: OMAP1: ams-delta FIQ: don't use static GPIO numbers

With introduction of GPIO lookup tables to Amstrad Delta board init
file, semantics of symbols representing OMAP GPIO pins defined in
<mach/b

ARM: OMAP1: ams-delta FIQ: don't use static GPIO numbers

With introduction of GPIO lookup tables to Amstrad Delta board init
file, semantics of symbols representing OMAP GPIO pins defined in
<mach/board-ams-delta.h> changed from statically assigned global GPIO
numbers to hardware pin numbers local to OMAP "gpio-0-15" chip.

This patch modifies deferred FIQ interrupt handler so it no longer uses
static GPIO numbers in favour of IRQ data descriptors obtained at FIQ
initialization time from descriptor of the GPIO chip with use of its
hardware pin numbers. The chip descriptor is passed from the board
init file.

As a benefit, the deferred FIQ handler should work faster.

Signed-off-by: Janusz Krzysztofik <jmkrzyszt@gmail.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
[tony@atomide.com: removed duplicate gpiochip_match_by_label]
Signed-off-by: Tony Lindgren <tony@atomide.com>

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ARM: OMAP1: ams-delta: fix deferred_fiq handler

The deferred_fiq handler used to limit hardware operations to IRQ
unmask only, relying on gpio-omap assigned handler performing the ACKs.
Since commit

ARM: OMAP1: ams-delta: fix deferred_fiq handler

The deferred_fiq handler used to limit hardware operations to IRQ
unmask only, relying on gpio-omap assigned handler performing the ACKs.
Since commit 80ac93c27441 ("gpio: omap: Fix lost edge interrupts") this
is no longer the case as handle_edge_irq() has been replaced with
handle_simmple_irq() which doesn't touch the hardware.

Add single ACK operation per each active IRQ pin to the handler. While
being at it, move unmask operation out of irq_counter loop so it is
also called only once for each active IRQ pin.

Fixes: 80ac93c27441 ("gpio: omap: Fix lost edge interrupts")
Signed-off-by: Janusz Krzysztofik <jmkrzyszt@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

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ARM: OMAP1: fix ams-delta FIQ handler to work with sparse IRQ

After OMAP1 IRQ definitions have been changed by commit 685e2d08c54b
("ARM: OMAP1: Change interrupt numbering for sparse IRQ") introduce

ARM: OMAP1: fix ams-delta FIQ handler to work with sparse IRQ

After OMAP1 IRQ definitions have been changed by commit 685e2d08c54b
("ARM: OMAP1: Change interrupt numbering for sparse IRQ") introduced
in v4.2, ams-delta FIQ handler which depends on them no longer works
as expected. Fix it.

Created and tested on Amstrad Delta against Linux-4.7-rc3

Signed-off-by: Janusz Krzysztofik <jmkrzyszt@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

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ARM: OMAP1: Fix typo in fiq.c

Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net>
Signed-off-by: Tony Lindgren <tony@atomide.com>

arm: omap: Fix typo in ams-delta-fiq.c

8435cf757 (arm: Replace various irq_desc accesses) typoed
irq_get_irq_chip() instead of irq_get_chip().

Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Sig

arm: omap: Fix typo in ams-delta-fiq.c

8435cf757 (arm: Replace various irq_desc accesses) typoed
irq_get_irq_chip() instead of irq_get_chip().

Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

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arm: Replace various irq_desc accesses

Use the proper functions. There is no need to fiddle with irq_desc.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Shawn Guo <shawn.guo@linaro.

arm: Replace various irq_desc accesses

Use the proper functions. There is no need to fiddle with irq_desc.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Shawn Guo <shawn.guo@linaro.org>C
Acked-by: Tony Lindgren <tony@atomide.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: arm <linux-arm-kernel@lists.infradead.org>
Cc: Russell King <rmk+kernel@arm.linux.org.uk>
Link: http://lkml.kernel.org/r/20140223212737.099151500@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

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ARM: OMAP1: Move board-ams-delta.h from plat to mach

This is only used by omap1.

And to fix things properly, this should not be included
from the drivers at all.

Acked-by: Janusz Krzysztofik <jkrz

ARM: OMAP1: Move board-ams-delta.h from plat to mach

This is only used by omap1.

And to fix things properly, this should not be included
from the drivers at all.

Acked-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: linux-fbdev@vger.kernel.org
Cc: Artem Bityutskiy <Artem.Bityutskiy@linux.intel.com>
Cc: linux-mtd@lists.infradead.org
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: linux-input@vger.kernel.org
Cc: Peter Ujfalusi <peter.ujfalusi@ti.com>
Cc: Liam Girdwood <lrg@ti.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: alsa-devel@alsa-project.org
Signed-off-by: Tony Lindgren <tony@atomide.com>

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ARM: OMAP1: Amstrad Delta: Fix wrong IRQ base in FIQ handler

Commit 384ebe1c2849160d040df3e68634ec506f13d9ff, "gpio/omap: Add DT
support to GPIO driver", introduced dynamic IRQ numbering of OMAP GPI

ARM: OMAP1: Amstrad Delta: Fix wrong IRQ base in FIQ handler

Commit 384ebe1c2849160d040df3e68634ec506f13d9ff, "gpio/omap: Add DT
support to GPIO driver", introduced dynamic IRQ numbering of OMAP GPIO
interrupts, breaking all IH_GPIO_BASE based IRQ number calculations.
This issue was corrected in the OMAP GPIO driver and the related header
file with commit 25db711df3258d125dc1209800317e5c0ef3c870, "gpio/omap:
Fix IRQ handling for SPARSE_IRQ".

However, the Amstrad Delta FIQ handler, which replaces the gpio-omap
driver in serving GPIO interrupts on this board, still uses that
outdated method. Fix it.

Signed-off-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
Signed-off-by: Tony Lindgren <tony@atomide.com>

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ARM: OMAP: fix 'using plain integer as NULL pointer' sparse warnings

sparse warns when 0 is passed to a function expecting a pointer argument.
Resolve these warnings by replacing the 0 with NULL.

a

ARM: OMAP: fix 'using plain integer as NULL pointer' sparse warnings

sparse warns when 0 is passed to a function expecting a pointer argument.
Resolve these warnings by replacing the 0 with NULL.

arch/arm/plat-omap/include/plat/dmtimer.h:319:34: warning: Using plain integer as NULL pointer
arch/arm/plat-omap/include/plat/dmtimer.h:324:35: warning: Using plain integer as NULL pointer
arch/arm/mach-omap2/irq.c:294:22: warning: Using plain integer as NULL pointer
arch/arm/mach-omap1/board-palmz71.c:292:50: warning: Using plain integer as NULL pointer
arch/arm/mach-omap1/board-palmz71.c:295:73: warning: Using plain integer as NULL pointer
arch/arm/mach-omap1/ams-delta-fiq.c:105:63: warning: Using plain integer as NULL pointer

Signed-off-by: Paul Walmsley <paul@pwsan.com>

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ARM: OMAP1: Move most of plat/io.h into local iomap.h

There's no need to have these in plat/io.h.

While at it, clean up the includes to group them
like they typically are grouped.

Signed-off-by: T

ARM: OMAP1: Move most of plat/io.h into local iomap.h

There's no need to have these in plat/io.h.

While at it, clean up the includes to group them
like they typically are grouped.

Signed-off-by: Tony Lindgren <tony@atomide.com>

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ARM: omap1: irq_data conversion.

Signed-off-by: Lennert Buytenhek <buytenh@secretlab.ca>

OMAP1: Amstrad Delta: add a handler for processing interruptsgenerated by the FIQ routine

This patch introduces an IRQ handler used for processing interrupts generated
by the FIQ handler when it dec

OMAP1: Amstrad Delta: add a handler for processing interruptsgenerated by the FIQ routine

This patch introduces an IRQ handler used for processing interrupts generated
by the FIQ handler when it decides there are data ready for processing.

The handler further invokes device specific interrupt routines based on
interrupt source counters passed from the FIQ handler.

The handler setup function is intended to be called from the board
provided init_machine() callback.

Signed-off-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
[tony@atomide.com: Updated to include linux/io.h instead of plat/io.h
Signed-off-by: Tony Lindgren <tony@atomide.com>

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ARM: OMAP1: ams-delta FIQ: Fix a typo ("Initiaize")

Fix a typo ("Initiaize").

Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Message-Id: <20191002145301.11332-1-j.ne

ARM: OMAP1: ams-delta FIQ: Fix a typo ("Initiaize")

Fix a typo ("Initiaize").

Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Message-Id: <20191002145301.11332-1-j.neuschaefer@gmx.net>
Signed-off-by: Tony Lindgren <tony@atomide.com>

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Merge branch 'ti-sysc-fixes' into fixes