linux-bl808/drivers/pwm
Zhi Mao e7c197ec97 pwm: mediatek: Fix clock control issue
In order to save some power, do not prepare the top and main clocks
during mtk_pwm_probe(). Instead, prepare the clocks only when necessary
and also make sure to enable the clocks to match the semantics of the
common clock framework.

While at it, don't explicitly disable all PWM channels in ->remove()
because all users should have done that already.

Signed-off-by: Zhi Mao <zhi.mao@mediatek.com>
Acked-by: John Crispin <john@phrozen.org>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
2017-08-21 10:39:09 +02:00
..
core.c pwm: Silently error out on EPROBE_DEFER 2017-07-06 08:29:16 +02:00
Kconfig pwm: mediatek: Fix Kconfig description 2017-08-21 10:39:08 +02:00
Makefile pwm: Add ZTE ZX PWM device driver 2017-08-21 08:11:24 +02:00
pwm-ab8500.c
pwm-atmel-hlcdc.c pwm: atmel-hlcdc: Implement the suspend/resume hooks 2017-04-06 17:45:02 +02:00
pwm-atmel-tcb.c
pwm-atmel.c pwm: atmel: Enable PWM on sama5d2 2017-04-06 17:45:03 +02:00
pwm-bcm-iproc.c
pwm-bcm-kona.c
pwm-bcm2835.c pwm: bcm2835: Support for polarity setting via DT 2017-08-21 07:27:58 +02:00
pwm-berlin.c
pwm-bfin.c pwm: bfin: Remove unneeded error message 2017-07-06 07:56:54 +02:00
pwm-brcmstb.c
pwm-clps711x.c
pwm-crc.c
pwm-cros-ec.c pwm: cros-ec: Fix transposed param settings 2017-07-06 17:16:37 +02:00
pwm-ep93xx.c
pwm-fsl-ftm.c
pwm-hibvt.c pwm: hibvt: Explicitly request exclusive reset control 2017-08-21 08:52:40 +02:00
pwm-img.c
pwm-imx.c
pwm-jz4740.c pwm: jz4740: Let the pinctrl driver configure the pins 2017-05-22 17:21:06 +02:00
pwm-lp3943.c
pwm-lpc18xx-sct.c
pwm-lpc32xx.c
pwm-lpss-pci.c pwm: lpss: Set enable-bit before waiting for update-bit to go low 2017-04-06 14:48:14 +02:00
pwm-lpss-platform.c pwm: lpss: Set enable-bit before waiting for update-bit to go low 2017-04-06 14:48:14 +02:00
pwm-lpss.c pwm: lpss: Set enable-bit before waiting for update-bit to go low 2017-04-06 14:48:14 +02:00
pwm-lpss.h pwm: lpss: Set enable-bit before waiting for update-bit to go low 2017-04-06 14:48:14 +02:00
pwm-mediatek.c pwm: mediatek: Fix clock control issue 2017-08-21 10:39:09 +02:00
pwm-meson.c pwm: Convert to using %pOF instead of full_name 2017-07-25 13:38:22 +02:00
pwm-mtk-disp.c
pwm-mxs.c
pwm-omap-dmtimer.c
pwm-pca9685.c pwm: pca9685: clarify pca9685_set_sleep_mode() interface. 2017-07-25 13:41:59 +02:00
pwm-puv3.c
pwm-pxa.c
pwm-rcar.c
pwm-renesas-tpu.c pwm: renesas-tpu: Remove support for SH7372 2017-08-18 17:27:14 +02:00
pwm-rockchip.c pwm: rockchip: Add rk3328 support 2017-08-18 17:44:34 +02:00
pwm-samsung.c
pwm-spear.c
pwm-sti.c
pwm-stm32.c
pwm-stmpe.c
pwm-sun4i.c pwm: sun4i: Drop legacy callbacks 2017-07-06 09:05:21 +02:00
pwm-tegra.c pwm: tegra: Explicitly request exclusive reset control 2017-08-21 08:53:07 +02:00
pwm-tiecap.c pwm: tiecap: Set driver data before runtime PM enable 2017-08-21 08:31:37 +02:00
pwm-tiehrpwm.c pwm: tiehrpwm: Set driver data before runtime PM enable 2017-08-21 08:42:56 +02:00
pwm-tipwmss.c
pwm-twl-led.c
pwm-twl.c
pwm-vt8500.c pwm: vt8500: Undo preparation of a clock source. 2017-07-25 13:43:28 +02:00
pwm-zx.c pwm: Add ZTE ZX PWM device driver 2017-08-21 08:11:24 +02:00
sysfs.c