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linux/drivers/clocksource
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Fu Wei c389d701df clocksource: arm_arch_timer: split MMIO timer probing. 
Currently the code to probe MMIO architected timers mixes DT parsing with
actual poking of hardware. This makes the code harder than necessary to
understand, and makes it difficult to add support for probing via ACPI.

This patch splits the DT parsing from HW probing. The DT parsing now
lives in arch_timer_mem_of_init(), which fills in an arch_timer_mem
structure that it hands to probing functions that can be reused for ACPI
support.

Since the rate detection logic will be slight different when using ACPI,
the probing is performed as a number of steps. This results in more code
for the moment, and some arguably redundant work, but simplifies matters
considerably when ACPI support is added.

Signed-off-by: Fu Wei <fu.wei@linaro.org>
[Mark: refactor the probing split]
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
2017-04-19 16:11:48 +01:00
..
acpi_pm.c clocksource: Use a plain u64 instead of cycle_t 2016-12-25 11:04:12 +01:00
arc_timer.c Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2016-12-25 14:30:04 -08:00
arm_arch_timer.c clocksource: arm_arch_timer: split MMIO timer probing. 2017-04-19 16:11:48 +01:00
arm_global_timer.c Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2016-12-25 14:30:04 -08:00
armv7m_systick.c clocksource/drivers/armv7m_systick: Add the COMPILE_TEST option 2016-06-28 10:22:05 +02:00
asm9260_timer.c clocksources: Switch back to the clksrc table 2016-06-28 10:19:35 +02:00
bcm2835_timer.c clocksource/drivers/bcm2835_timer: Unmap region obtained by of_iomap 2016-11-22 09:22:59 +01:00
bcm_kona_timer.c clocksource/drivers/kona: Fix get_counter() error handling 2016-08-17 13:08:31 +02:00
cadence_ttc_timer.c clocksource: Use a plain u64 instead of cycle_t 2016-12-25 11:04:12 +01:00
clkevt-probe.c clockevents: Add a clkevt-of mechanism like clksrc-of 2017-02-07 20:58:30 +01:00
clksrc_st_lpc.c clocksources: Switch back to the clksrc table 2016-06-28 10:19:35 +02:00
clksrc-dbx500-prcmu.c clocksource: Use a plain u64 instead of cycle_t 2016-12-25 11:04:12 +01:00
clksrc-probe.c clocksources: Switch back to the clksrc table 2016-06-28 10:19:35 +02:00
clps711x-timer.c ARM: SoC driver updates for v4.8 2016-08-01 18:36:01 -04:00
cs5535-clockevt.c clockevents/drivers/cs5535: Migrate to new 'set-state' interface 2015-08-06 12:16:42 +02:00
dummy_timer.c cpu/hotplug: Cleanup state names 2016-12-25 10:47:44 +01:00
dw_apb_timer_of.c clocksources: Switch back to the clksrc table 2016-06-28 10:19:35 +02:00
dw_apb_timer.c clocksource: Use a plain u64 instead of cycle_t 2016-12-25 11:04:12 +01:00
em_sti.c clocksource: Use a plain u64 instead of cycle_t 2016-12-25 11:04:12 +01:00
exynos_mct.c clocksource/exynos_mct: Clear interrupt when cpu is shut down 2017-01-17 10:08:38 +01:00
fsl_ftm_timer.c clocksources: Switch back to the clksrc table 2016-06-28 10:19:35 +02:00
h8300_timer8.c clocksources: Switch back to the clksrc table 2016-06-28 10:19:35 +02:00
h8300_timer16.c clocksource: Use a plain u64 instead of cycle_t 2016-12-25 11:04:12 +01:00
h8300_tpu.c clocksource: Use a plain u64 instead of cycle_t 2016-12-25 11:04:12 +01:00
i8253.c clocksource: Use a plain u64 instead of cycle_t 2016-12-25 11:04:12 +01:00
jcore-pit.c Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2016-12-25 14:30:04 -08:00
Kconfig arm64: arch_timer: Workaround for Cortex-A73 erratum 858921 2017-04-07 11:22:10 +01:00
Makefile clocksource/drivers/ostm: Add renesas-ostm timer driver 2017-02-07 20:58:30 +01:00
meson6_timer.c clocksources: Switch back to the clksrc table 2016-06-28 10:19:35 +02:00
metag_generic.c Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2016-12-25 14:30:04 -08:00
mips-gic-timer.c Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2016-12-25 14:30:04 -08:00
mmio.c clocksource: Use a plain u64 instead of cycle_t 2016-12-25 11:04:12 +01:00
moxart_timer.c clocksource/drivers/moxart: Plug memory and mapping leaks 2016-12-19 11:19:57 +01:00
mps2-timer.c clocksources: Switch back to the clksrc table 2016-06-28 10:19:35 +02:00
mtk_timer.c clocksources: Switch back to the clksrc table 2016-06-28 10:19:35 +02:00
mxs_timer.c clocksource: Use a plain u64 instead of cycle_t 2016-12-25 11:04:12 +01:00
nomadik-mtu.c clocksources: Switch back to the clksrc table 2016-06-28 10:19:35 +02:00
numachip.c x86/numachip: Fix timer build conflict 2015-09-23 05:39:20 +02:00
pxa_timer.c sched/headers: Prepare for new header dependencies before moving code to <linux/sched/clock.h> 2017-03-02 08:42:27 +01:00
qcom-timer.c Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2016-12-25 14:30:04 -08:00
renesas-ostm.c clocksource/drivers/ostm: Add renesas-ostm timer driver 2017-02-07 20:58:30 +01:00
rockchip_timer.c clocksources: Switch back to the clksrc table 2016-06-28 10:19:35 +02:00
samsung_pwm_timer.c clocksource: Use a plain u64 instead of cycle_t 2016-12-25 11:04:12 +01:00
scx200_hrt.c clocksource: Use a plain u64 instead of cycle_t 2016-12-25 11:04:12 +01:00
sh_cmt.c clocksource: Use a plain u64 instead of cycle_t 2016-12-25 11:04:12 +01:00
sh_mtu2.c clocksource/drivers/sh_mtu2: Fix multiple shutdown call issue 2015-10-28 15:22:56 +01:00
sh_tmu.c clocksource: Use a plain u64 instead of cycle_t 2016-12-25 11:04:12 +01:00
sun4i_timer.c clocksource/drivers/sun4i: Clear interrupts after stopping timer in probe function 2016-08-26 15:56:01 +02:00
tango_xtal.c clocksources: Switch back to the clksrc table 2016-06-28 10:19:35 +02:00
tcb_clksrc.c Revert "clocksource/drivers/tcb_clksrc: Use 32 bit tcb as sched_clock" 2017-03-11 22:03:34 +01:00
tegra20_timer.c clocksources: Switch back to the clksrc table 2016-06-28 10:19:35 +02:00
time-armada-370-xp.c cpu/hotplug: Cleanup state names 2016-12-25 10:47:44 +01:00
time-efm32.c clocksources: Switch back to the clksrc table 2016-06-28 10:19:35 +02:00
time-lpc32xx.c clocksources: Switch back to the clksrc table 2016-06-28 10:19:35 +02:00
time-orion.c clocksources: Switch back to the clksrc table 2016-06-28 10:19:35 +02:00
time-pistachio.c clocksource: Use a plain u64 instead of cycle_t 2016-12-25 11:04:12 +01:00
timer-atlas7.c Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2016-12-25 14:30:04 -08:00
timer-atmel-pit.c clocksource: Use a plain u64 instead of cycle_t 2016-12-25 11:04:12 +01:00
timer-atmel-st.c clocksource: Use a plain u64 instead of cycle_t 2016-12-25 11:04:12 +01:00
timer-digicolor.c sched/headers: Prepare for new header dependencies before moving code to <linux/sched/clock.h> 2017-03-02 08:42:27 +01:00
timer-gemini.c clocksource/drivers/gemini: Add driver for the Cortina Gemini 2017-02-07 20:58:30 +01:00
timer-imx-gpt.c clocksources: Switch back to the clksrc table 2016-06-28 10:19:35 +02:00
timer-integrator-ap.c clocksources: Switch back to the clksrc table 2016-06-28 10:19:35 +02:00
timer-keystone.c clocksources: Switch back to the clksrc table 2016-06-28 10:19:35 +02:00
timer-nps.c clocksource: Use a plain u64 instead of cycle_t 2016-12-25 11:04:12 +01:00
timer-oxnas-rps.c clocksource/drivers/oxnas: Add OX820 compatible 2016-09-12 07:28:46 +02:00
timer-prima2.c clocksource: Use a plain u64 instead of cycle_t 2016-12-25 11:04:12 +01:00
timer-sp804.c clocksources: Switch back to the clksrc table 2016-06-28 10:19:35 +02:00
timer-sp.h ARM: 8366/1: move Dual-Timer SP804 driver to drivers/clocksource 2015-06-02 09:58:18 +01:00
timer-stm32.c clocksources: Switch back to the clksrc table 2016-06-28 10:19:35 +02:00
timer-sun5i.c clocksource: Use a plain u64 instead of cycle_t 2016-12-25 11:04:12 +01:00
timer-ti-32k.c clocksource: Use a plain u64 instead of cycle_t 2016-12-25 11:04:12 +01:00
timer-u300.c clocksources: Switch back to the clksrc table 2016-06-28 10:19:35 +02:00
versatile.c clocksources: Switch back to the clksrc table 2016-06-28 10:19:35 +02:00
vf_pit_timer.c clocksources: Switch back to the clksrc table 2016-06-28 10:19:35 +02:00
vt8500_timer.c clocksource: Use a plain u64 instead of cycle_t 2016-12-25 11:04:12 +01:00
zevio-timer.c clocksources: Switch back to the clksrc table 2016-06-28 10:19:35 +02:00