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Fix sparse warning:
drivers/clocksource/timer-ti-dm.c:589:5: warning:
symbol 'omap_dm_timer_set_load_start' was not declared. Should it be static?
Signed-off-by: YueHaibing <[email protected]>
Signed-off-by: Thomas Gleixner <[email protected]>
Cc: <[email protected]>
Link: https://lkml.kernel.org/r/[email protected]
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Commit 84badc5ec5fc ("ARM: dts: omap4: Move l4 child devices to probe
them with ti-sysc") started producing a warning for pwm-omap-dmtimer:
WARNING: CPU: 0 PID: 77 at drivers/bus/omap_l3_noc.c:147
l3_interrupt_handler+0x2f8/0x388
44000000.ocp:L3 Custom Error: MASTER MPU TARGET L4PER2 (Idle):
Data Access in Supervisor mode during Functional access
...
__pm_runtime_idle
omap_dm_timer_disable
pwm_omap_dmtimer_start
pwm_omap_dmtimer_enable
pwm_apply_state
pwm_vibrator_start
pwm_vibrator_play_work
This is because the timer that pwm-omap-dmtimer is using is now being
probed with ti-sysc interconnect target module instead of omap_device
and the ti-sysc quirk for SYSC_QUIRK_LEGACY_IDLE is not fully
compatible with what omap_device has been doing.
We could fix this by reverting the timer changes and have the timer
probe again with omap_device. Or we could add more quirk handling to
ti-sysc driver. But as these options don't work nicely as longer term
solutions, let's just make timers probe with ti-sysc without any
quirks.
To do this, all we need to do is remove quirks for timers for ti-sysc,
and drop the bogus pm_runtime_irq_safe() flag for timer-ti-dm.
We should not use pm_runtime_irq_safe() anyways for drivers as it will
take a permanent use count on the parent device blocking the parent
devices from idling and has been forcing ti-sysc driver to use a
quirk flag.
Note that we will move the timer data to DEBUG section later on in
clean-up patches.
Fixes: 84badc5ec5fc ("ARM: dts: omap4: Move l4 child devices to probe them with ti-sysc")
Cc: Andy Shevchenko <[email protected]>
Cc: Bartosz Golaszewski <[email protected]>
Cc: Daniel Lezcano <[email protected]>
Cc: H. Nikolaus Schaller <[email protected]>
Cc: Keerthy <[email protected]>
Cc: Ladislav Michl <[email protected]>
Cc: Pavel Machek <[email protected]>
Cc: Sebastian Reichel <[email protected]>
Cc: Tero Kristo <[email protected]>
Cc: Thierry Reding <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Reported-by: H. Nikolaus Schaller <[email protected]>
Tested-By: Andreas Kemnade <[email protected]>
Tested-By: H. Nikolaus Schaller <[email protected]>
Signed-off-by: Tony Lindgren <[email protected]>
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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 <[email protected]>
Cc: Daniel Lezcano <[email protected]>
Cc: H. Nikolaus Schaller <[email protected]>
Cc: Keerthy <[email protected]>
Cc: Ladislav Michl <[email protected]>
Cc: Pavel Machek <[email protected]>
Cc: Sebastian Reichel <[email protected]>
Cc: Tero Kristo <[email protected]>
Cc: Thierry Reding <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Reported-by: H. Nikolaus Schaller <[email protected]>
Tested-By: Andreas Kemnade <[email protected]>
Tested-By: H. Nikolaus Schaller <[email protected]>
Signed-off-by: Tony Lindgren <[email protected]>
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This driver is no longer used as an early platform driver. Remove the
registration macro.
Signed-off-by: Bartosz Golaszewski <[email protected]>
Signed-off-by: Daniel Lezcano <[email protected]>
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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 <[email protected]>
Signed-off-by: Tony Lindgren <[email protected]>
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Reorder omap_dm_timer_set_source internals to get
source verification more straightforward.
Signed-off-by: Ladislav Michl <[email protected]>
Signed-off-by: Tony Lindgren <[email protected]>
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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 <[email protected]>
Signed-off-by: Tony Lindgren <[email protected]>
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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 <[email protected]>
Signed-off-by: Keerthy <[email protected]>
Reviewed-by: Sebastian Reichel <[email protected]>
Signed-off-by: Tony Lindgren <[email protected]>
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Add the timer ops to the platform data
Signed-off-by: Keerthy <[email protected]>
Reviewed-by: Sebastian Reichel <[email protected]>
Tested-by: Ladislav Michl <[email protected]>
Signed-off-by: Tony Lindgren <[email protected]>
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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 <[email protected]>
Reviewed-by: Sebastian Reichel <[email protected]>
Tested-by: Ladislav Michl <[email protected]>
[[email protected]: add select omap_dm_timer for omap16xx]
Signed-off-by: Tony Lindgren <[email protected]>
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