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linux/drivers/clocksource
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Chen-Yu Tsai e7e7e0d7be clocksource/drivers/sun5i: Fail gracefully when clock rate is unavailable 
If the clock tree is not fully populated when the timer-sun5i init code
is called, attempts to get the clock rate for the timer would fail and
return 0.

Make the init code for both clock events and clocksource check the
returned clock rate and fail gracefully if the result is 0, instead of
causing a divide by 0 exception later on.

Fixes: 4a59058f0b09 ("clocksource/drivers/sun5i: Refactor the current code")
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
2019-02-23 12:13:45 +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
clocksource/drivers/arc_timer: Utilize generic sched_clock
2018-12-18 22:22:23 +01:00
arm_arch_timer.c
arm64: arch_timer: Add workaround for ARM erratum 1188873
2018-10-01 13:38:47 +01:00
arm_global_timer.c
clocksource/drivers: Rename CLOCKSOURCE_OF_DECLARE to TIMER_OF_DECLARE
2017-06-14 11:58:45 +02:00
armv7m_systick.c
clocksource/drivers: Rename CLOCKSOURCE_OF_DECLARE to TIMER_OF_DECLARE
2017-06-14 11:58:45 +02:00
asm9260_timer.c
clocksource: Convert to using %pOFn instead of device_node.name
2018-10-03 14:36:52 +02:00
bcm2835_timer.c
clocksource/drivers/bcm2835: Switch to SPDX identifier
2018-12-18 22:22:23 +01:00
bcm_kona_timer.c
clocksource/drivers: Rename CLOCKSOURCE_OF_DECLARE to TIMER_OF_DECLARE
2017-06-14 11:58:45 +02:00
clksrc_st_lpc.c
clocksource/drivers: Rename CLOCKSOURCE_OF_DECLARE to TIMER_OF_DECLARE
2017-06-14 11:58:45 +02:00
clksrc-dbx500-prcmu.c
clocksource/drivers/ux500: Drop Ux500 custom SCHED_CLOCK
2018-12-18 22:22:23 +01:00
clps711x-timer.c
clocksource/drivers: Rename CLKSRC_OF to TIMER_OF
2017-06-14 12:01:03 +02:00
cs5535-clockevt.c
clockevents/drivers/cs5535: Improve resilience to spurious interrupts
2017-10-20 13:41:52 +02:00
dummy_timer.c
cpu/hotplug: Cleanup state names
2016-12-25 10:47:44 +01:00
dw_apb_timer_of.c
clocksource/drivers/dw_apb: Add reset control
2018-10-07 14:16:35 +02:00
dw_apb_timer.c
Merge branch 'clockevents/4.12' of https://git.linaro.org/people/daniel.lezcano/linux into timers/core
2017-04-17 10:55:14 +02:00
em_sti.c
clocksource/drivers/em_sti: Fix error return codes in em_sti_probe()
2017-08-10 14:48:18 +02:00
exynos_mct.c
clocksource/drivers: Rename CLOCKSOURCE_OF_DECLARE to TIMER_OF_DECLARE
2017-06-14 11:58:45 +02:00
h8300_timer8.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
h8300_timer16.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
h8300_tpu.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
i8253.c
clockevents/drivers/i8253: Add support for PIT shutdown quirk
2018-11-04 11:04:46 +01:00
jcore-pit.c
clocksource/drivers: Rename CLOCKSOURCE_OF_DECLARE to TIMER_OF_DECLARE
2017-06-14 11:58:45 +02:00
Kconfig
clocksource/drivers/rda: Add clock driver for RDA8810PL SoC
2018-12-18 22:22:23 +01:00
Makefile
clocksource/drivers/rda: Add clock driver for RDA8810PL SoC
2018-12-18 22:22:23 +01:00
mips-gic-timer.c
clocksource/drivers/mips-gic-timer: Add pr_fmt and reword pr_* messages
2018-05-18 22:53:09 +02:00
mmio.c
clocksource: Use a plain u64 instead of cycle_t
2016-12-25 11:04:12 +01:00
mps2-timer.c
clocksource/drivers: Rename CLOCKSOURCE_OF_DECLARE to TIMER_OF_DECLARE
2017-06-14 11:58:45 +02:00
mxs_timer.c
clocksource/drivers/mxs_timer: Switch to SPDX identifier
2018-05-23 07:39:09 +02:00
nomadik-mtu.c
clocksource/drivers/ux500: Drop Ux500 custom SCHED_CLOCK
2018-12-18 22:22:23 +01:00
numachip.c
x86/numachip: Add const and __initconst to numachip2_clockevent
2017-09-25 09:36:15 +02:00
pxa_timer.c
clocksource: Convert to using %pOFn instead of device_node.name
2018-10-03 14:36:52 +02:00
renesas-ostm.c
clocksource/drivers/renesas-ostm: Convert to SPDX identifiers
2018-10-03 14:36:53 +02:00
samsung_pwm_timer.c
clocksource/drivers: Rename CLKSRC_OF to TIMER_OF
2017-06-14 12:01:03 +02:00
scx200_hrt.c
clocksource: Use a plain u64 instead of cycle_t
2016-12-25 11:04:12 +01:00
sh_cmt.c
clocksource/drivers/sh_cmt: Add R-Car gen3 support
2018-10-03 14:37:01 +02:00
sh_mtu2.c
clocksource/drivers/sh_mtu2: Convert to SPDX identifiers
2018-10-03 14:36:55 +02:00
sh_tmu.c
clocksource/drivers/sh_tmu: Convert to SPDX identifiers
2018-10-03 14:36:56 +02:00
tango_xtal.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
tcb_clksrc.c
clocksource/drivers/tcb_clksrc: Fix clock speed message
2018-01-08 17:57:23 +01:00
timer-armada-370-xp.c
clocksource/drivers: Unify the names to timer-* format
2018-10-03 14:37:02 +02:00
timer-atcpit100.c
clocksource/drivers: Set clockevent device cpumask to cpu_possible_mask
2018-07-26 11:26:30 +02:00
timer-atlas7.c
clocksource/drivers: Rename CLOCKSOURCE_OF_DECLARE to TIMER_OF_DECLARE
2017-06-14 11:58:45 +02:00
timer-atmel-pit.c
clocksource/drivers/timer-atmel-pit: Properly handle error cases
2018-09-27 12:01:45 +02:00
timer-atmel-st.c
clocksource/drivers: Rename CLOCKSOURCE_OF_DECLARE to TIMER_OF_DECLARE
2017-06-14 11:58:45 +02:00
timer-cadence-ttc.c
clocksource/drivers: Unify the names to timer-* format
2018-10-03 14:37:02 +02:00
timer-digicolor.c
clocksource/drivers: Rename CLOCKSOURCE_OF_DECLARE to TIMER_OF_DECLARE
2017-06-14 11:58:45 +02:00
timer-efm32.c
clocksource/drivers: Unify the names to timer-* format
2018-10-03 14:37:02 +02:00
timer-fsl-ftm.c
clocksource/drivers: Unify the names to timer-* format
2018-10-03 14:37:02 +02:00
timer-fttmr010.c
clocksource/drivers/fttmr010: Fix invalid interrupt register access
2018-12-18 22:22:23 +01:00
timer-gx6605s.c
clocksource/drivers/c-sky: Add gx6605s SOC system timer
2018-11-02 19:41:12 +01:00
timer-imx-gpt.c
clocksource/drivers/imx-gpt: Remove unnecessary irq protection
2018-12-18 22:22:23 +01:00
timer-imx-tpm.c
clocksource/drivers/timer-imx-tpm: Specify clock name for timer-of
2018-12-18 22:22:23 +01:00
timer-integrator-ap.c
clocksource/drivers/integrator-ap: Add missing of_node_put()
2018-12-18 22:22:23 +01:00
timer-keystone.c
clocksource/drivers: Set clockevent device cpumask to cpu_possible_mask
2018-07-26 11:26:30 +02:00
timer-lpc32xx.c
clocksource/drivers: Unify the names to timer-* format
2018-10-03 14:37:02 +02:00
timer-mediatek.c
clocksource/drivers/timer-mediatek: Add support for system timer
2018-07-26 11:26:34 +02:00
timer-meson6.c
clocksource/drivers/meson6: Change name meson6_timer timer-meson6
2018-12-18 22:22:23 +01:00
timer-mp-csky.c
clocksource/drivers/c-sky: fixup ftrace call-graph panic
2018-12-31 23:17:23 +08:00
timer-npcm7xx.c
clocksource/drivers/npcm: Add NPCM7xx timer driver
2018-03-30 22:44:09 +02:00
timer-nps.c
clocksource/drivers: Rename CLOCKSOURCE_OF_DECLARE to TIMER_OF_DECLARE
2017-06-14 11:58:45 +02:00
timer-of.c
clocksource/drivers/timer-of: Don't request the resource by name
2018-01-08 17:57:24 +01:00
timer-of.h
clocksource/drivers/timer-of: Store the device node pointer in 'struct timer_of'
2018-01-08 17:57:24 +01:00
timer-orion.c
clocksource/drivers: Unify the names to timer-* format
2018-10-03 14:37:02 +02:00
timer-owl.c
clocksource/drivers: Unify the names to timer-* format
2018-10-03 14:37:02 +02:00
timer-oxnas-rps.c
clocksource/drivers: Rename CLOCKSOURCE_OF_DECLARE to TIMER_OF_DECLARE
2017-06-14 11:58:45 +02:00
timer-pistachio.c
clocksource/drivers: Unify the names to timer-* format
2018-10-03 14:37:02 +02:00
timer-prima2.c
clocksource/drivers: Rename CLOCKSOURCE_OF_DECLARE to TIMER_OF_DECLARE
2017-06-14 11:58:45 +02:00
timer-probe.c
clocksource: Convert to using %pOF instead of full_name
2017-08-31 15:56:17 +02:00
timer-qcom.c
clocksource/drivers: Unify the names to timer-* format
2018-10-03 14:37:02 +02:00
timer-rda.c
clocksource/drivers/rda: Add clock driver for RDA8810PL SoC
2018-12-18 22:22:23 +01:00
timer-riscv.c
clocksource/drivers/riscv: Change name riscv_timer to timer-riscv
2018-12-18 22:22:23 +01:00
timer-rockchip.c
clocksource/drivers/rockchip: Change name rockchip_timer to timer-rockchip
2018-12-18 22:22:23 +01:00
timer-sp804.c
clocksource: Convert to using %pOFn instead of device_node.name
2018-10-03 14:36:52 +02:00
timer-sp.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
timer-sprd.c
clocksource/drivers/sprd: Register one always-on timer to compensate suspend time
2018-07-26 11:26:34 +02:00
timer-stm32.c
clocksource/drivers/stm32: Fix error return code
2018-06-12 23:54:01 +02:00
timer-sun4i.c
clocksource/drivers/sun4i: Change name sun4i_timer to timer-sun4i
2018-12-18 22:22:23 +01:00
timer-sun5i.c
clocksource/drivers/sun5i: Fail gracefully when clock rate is unavailable
2019-02-23 12:13:45 +01:00
timer-tegra20.c
clocksource/drivers/tegra20: Change name tegra20_timer to timer-tegra20
2018-12-18 22:22:23 +01:00
timer-ti-32k.c
clocksource/drivers/ti-32k: Add CLOCK_SOURCE_SUSPEND_NONSTOP flag for non-am43 SoCs
2018-09-13 15:23:35 +02:00
timer-ti-dm.c
clocksource/drivers/timer-ti-dm: Remove the early platform driver registration
2018-12-18 22:22:23 +01:00
timer-u300.c
clocksource/drivers: Rename CLOCKSOURCE_OF_DECLARE to TIMER_OF_DECLARE
2017-06-14 11:58:45 +02:00
timer-versatile.c
clocksource/drivers: Unify the names to timer-* format
2018-10-03 14:37:02 +02:00
timer-vf-pit.c
clocksource/drivers: Unify the names to timer-* format
2018-10-03 14:37:02 +02:00
timer-vt8500.c
clocksource/drivers/timer-vt8500: Remove duplicate function name
2018-12-18 22:22:23 +01:00
timer-zevio.c
clocksource/drivers: Unify the names to timer-* format
2018-10-03 14:37:02 +02:00