clocksource: timer-ti-dm: Fix pwm dmtimer usage of fck reparenting

Commit 84badc5ec5fc ("ARM: dts: omap4: Move l4 child devices to probe
them with ti-sysc") moved some omap4 timers to pr

clocksource: timer-ti-dm: Fix pwm dmtimer usage of fck reparenting

Commit 84badc5ec5fc ("ARM: dts: omap4: Move l4 child devices to probe
them with ti-sysc") moved some omap4 timers to probe with ti-sysc
interconnect target module. Turns out this broke pwm-omap-dmtimer
where we now try to reparent the clock to itself with the following:

omap_dm_timer_of_set_source: failed to set parent

With ti-sysc, we can now configure the clock sources in the dts
with assigned-clocks and assigned-clock-parents. So we should be able
to remove omap_dm_timer_of_set_source with clean-up patches later on.
But for now, let's just fix it first by checking if parent and fck
are the same and bail out of so.

Fixes: 84badc5ec5fc ("ARM: dts: omap4: Move l4 child devices to probe them with ti-sysc")
Cc: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: H. Nikolaus Schaller <hns@goldelico.com>
Cc: Keerthy <j-keerthy@ti.com>
Cc: Ladislav Michl <ladis@linux-mips.org>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: Sebastian Reichel <sre@kernel.org>
Cc: Tero Kristo <t-kristo@ti.com>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Reported-by: H. Nikolaus Schaller <hns@goldelico.com>
Tested-By: Andreas Kemnade <andreas@kemnade.info>
Tested-By: H. Nikolaus Schaller <hns@goldelico.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

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clocksource/drivers/timer-ti-dm: Remove the early platform driver registration

This driver is no longer used as an early platform driver. Remove the
registration macro.

Signed-o

clocksource/drivers/timer-ti-dm: Remove the early platform driver registration

This driver is no longer used as an early platform driver. Remove the
registration macro.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>

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clocksource: timer-ti-dm: Check prescaler value

Invalid value silently disables use of the prescaler.
Use -1 explicitely for that purpose and error out on
invalid value.

Sig

clocksource: timer-ti-dm: Check prescaler value

Invalid value silently disables use of the prescaler.
Use -1 explicitely for that purpose and error out on
invalid value.

Signed-off-by: Ladislav Michl <ladis@linux-mips.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>

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clocksource: timer-ti-dm: Consolidate set source

Reorder omap_dm_timer_set_source internals to get
source verification more straightforward.

Signed-off-by: Ladislav Michl <ladis

clocksource: timer-ti-dm: Consolidate set source

Reorder omap_dm_timer_set_source internals to get
source verification more straightforward.

Signed-off-by: Ladislav Michl <ladis@linux-mips.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>

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clocksource: timer-ti-dm: Make unexported functions static

As dmtimer no longer exports functions, make those previously
exported static (this requires few functions to be moved around

clocksource: timer-ti-dm: Make unexported functions static

As dmtimer no longer exports functions, make those previously
exported static (this requires few functions to be moved around
as their prototypes were deleted).

Signed-off-by: Ladislav Michl <ladis@linux-mips.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>

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clocksource: timer-ti-dm: Hook device platform data if not already assigned

In the case of device tree boot the device platform data is usually
NULL so hook the platform data obtained fr

clocksource: timer-ti-dm: Hook device platform data if not already assigned

In the case of device tree boot the device platform data is usually
NULL so hook the platform data obtained from the match.
As part of un-constify the platform_data pointer.

Signed-off-by: Ladislav Michl <ladis@linux-mips.org>
Signed-off-by: Keerthy <j-keerthy@ti.com>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Signed-off-by: Tony Lindgren <tony@atomide.com>

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clocksource: timer-ti-dm: Populate the timer ops to the pdata

Add the timer ops to the platform data

Signed-off-by: Keerthy <j-keerthy@ti.com>
Reviewed-by: Sebastian Reichel <se

clocksource: timer-ti-dm: Populate the timer ops to the pdata

Add the timer ops to the platform data

Signed-off-by: Keerthy <j-keerthy@ti.com>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Tested-by: Ladislav Michl <ladis@linux-mips.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>

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ARM: OMAP: Move dmtimer driver out of plat-omap to drivers under clocksource

Move the dmtimer driver out of plat-omap to clocksource.
So that non-omap devices also could use this.

ARM: OMAP: Move dmtimer driver out of plat-omap to drivers under clocksource

Move the dmtimer driver out of plat-omap to clocksource.
So that non-omap devices also could use this.

No Code changes done to the driver file only renamed to timer-ti-dm.c.
Also removed the config dependencies for OMAP_DM_TIMER.

Signed-off-by: Keerthy <j-keerthy@ti.com>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Tested-by: Ladislav Michl <ladis@linux-mips.org>
[tony@atomide.com: add select omap_dm_timer for omap16xx]
Signed-off-by: Tony Lindgren <tony@atomide.com>

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