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937efa29e7
linux/drivers/pwm
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Uwe Kleine-König 937efa29e7 pwm: visconti: Fix and simplify period calculation 
With the original code a request for period = 65536000 ns and period =
32768000 ns yields the same register settings (which results in 32768000
ns) because the value for pwmc0 was miscalculated.

Also simplify using that fls(0) is 0.

Fixes: 721b595744 ("pwm: visconti: Add Toshiba Visconti SoC PWM support")
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
2021-05-25 18:29:40 +02:00
..
core.c pwm: Autodetect default value for of_pwm_n_cells from device tree 2021-05-25 18:18:25 +02:00
Kconfig pwm: Changes for v5.13-rc1 2021-05-05 12:53:16 -07:00
Makefile pwm: Changes for v5.13-rc1 2021-05-05 12:53:16 -07:00
pwm-ab8500.c pwm: Always allocate PWM chip base ID dynamically 2021-03-22 11:53:00 +01:00
pwm-atmel-hlcdc.c pwm: Simplify all drivers with explicit of_pwm_n_cells = 3 2021-05-25 18:19:15 +02:00
pwm-atmel-tcb.c pwm: Simplify all drivers with explicit of_pwm_n_cells = 3 2021-05-25 18:19:15 +02:00
pwm-atmel.c pwm: Simplify all drivers with explicit of_pwm_n_cells = 3 2021-05-25 18:19:15 +02:00
pwm-bcm2835.c pwm: Simplify all drivers with explicit of_pwm_n_cells = 3 2021-05-25 18:19:15 +02:00
pwm-bcm-iproc.c pwm: Simplify all drivers with explicit of_pwm_n_cells = 3 2021-05-25 18:19:15 +02:00
pwm-bcm-kona.c pwm: Simplify all drivers with explicit of_pwm_n_cells = 3 2021-05-25 18:19:15 +02:00
pwm-berlin.c pwm: Simplify all drivers with explicit of_pwm_n_cells = 3 2021-05-25 18:19:15 +02:00
pwm-brcmstb.c pwm: Always allocate PWM chip base ID dynamically 2021-03-22 11:53:00 +01:00
pwm-clps711x.c pwm: Always allocate PWM chip base ID dynamically 2021-03-22 11:53:00 +01:00
pwm-crc.c pwm: Always allocate PWM chip base ID dynamically 2021-03-22 11:53:00 +01:00
pwm-cros-ec.c pwm: cros-ec: Refuse requests with unsupported polarity 2021-03-22 12:08:06 +01:00
pwm-dwc.c pwm: Always allocate PWM chip base ID dynamically 2021-03-22 11:53:00 +01:00
pwm-ep93xx.c pwm: Always allocate PWM chip base ID dynamically 2021-03-22 11:53:00 +01:00
pwm-fsl-ftm.c pwm: Simplify all drivers with explicit of_pwm_n_cells = 3 2021-05-25 18:19:15 +02:00
pwm-hibvt.c pwm: Simplify all drivers with explicit of_pwm_n_cells = 3 2021-05-25 18:19:15 +02:00
pwm-img.c pwm: Always allocate PWM chip base ID dynamically 2021-03-22 11:53:00 +01:00
pwm-imx1.c pwm: Always allocate PWM chip base ID dynamically 2021-03-22 11:53:00 +01:00
pwm-imx27.c pwm: Simplify all drivers with explicit of_pwm_n_cells = 3 2021-05-25 18:19:15 +02:00
pwm-imx-tpm.c pwm: Simplify all drivers with explicit of_pwm_n_cells = 3 2021-05-25 18:19:15 +02:00
pwm-intel-lgm.c pwm: Always allocate PWM chip base ID dynamically 2021-03-22 11:53:00 +01:00
pwm-iqs620a.c pwm: Always allocate PWM chip base ID dynamically 2021-03-22 11:53:00 +01:00
pwm-jz4740.c pwm: Simplify all drivers with explicit of_pwm_n_cells = 3 2021-05-25 18:19:15 +02:00
pwm-keembay.c pwm: Always allocate PWM chip base ID dynamically 2021-03-22 11:53:00 +01:00
pwm-lp3943.c pwm: Always allocate PWM chip base ID dynamically 2021-03-22 11:53:00 +01:00
pwm-lpc18xx-sct.c pwm: Simplify all drivers with explicit of_pwm_n_cells = 3 2021-05-25 18:19:15 +02:00
pwm-lpc32xx.c pwm: lpc3200: Don't modify HW state in .remove callback 2021-04-09 14:45:11 +02:00
pwm-lpss-pci.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
pwm-lpss-platform.c pwm: lpss: Set DPM_FLAG_SMART_SUSPEND on Cherry Trail devices 2020-12-17 14:18:49 +01:00
pwm-lpss.c pwm: lpss: Don't modify HW state in .remove callback 2021-04-09 15:21:18 +02:00
pwm-lpss.h pwm: lpss: Remove suspend/resume handlers 2020-09-06 15:38:01 +02:00
pwm-mediatek.c pwm: mediatek: Remove unused function 2021-04-23 18:47:45 +02:00
pwm-meson.c pwm: Simplify all drivers with explicit of_pwm_n_cells = 3 2021-05-25 18:19:15 +02:00
pwm-mtk-disp.c pwm: Always allocate PWM chip base ID dynamically 2021-03-22 11:53:00 +01:00
pwm-mxs.c pwm: Simplify all drivers with explicit of_pwm_n_cells = 3 2021-05-25 18:19:15 +02:00
pwm-ntxec.c pwm: ntxec: Add driver for PWM function in Netronix EC 2021-03-10 11:06:30 +00:00
pwm-omap-dmtimer.c pwm: Simplify all drivers with explicit of_pwm_n_cells = 3 2021-05-25 18:19:15 +02:00
pwm-pca9685.c pwm: pca9685: Improve runtime PM behavior 2021-04-23 18:45:49 +02:00
pwm-pxa.c pwm: Always allocate PWM chip base ID dynamically 2021-03-22 11:53:00 +01:00
pwm-raspberrypi-poe.c pwm: Add Raspberry Pi Firmware based PWM bus 2021-03-22 17:59:52 +01:00
pwm-rcar.c pwm: Always allocate PWM chip base ID dynamically 2021-03-22 11:53:00 +01:00
pwm-renesas-tpu.c pwm: Simplify all drivers with explicit of_pwm_n_cells = 3 2021-05-25 18:19:15 +02:00
pwm-rockchip.c pwm: Simplify all drivers with explicit of_pwm_n_cells = 3 2021-05-25 18:19:15 +02:00
pwm-samsung.c pwm: Simplify all drivers with explicit of_pwm_n_cells = 3 2021-05-25 18:19:15 +02:00
pwm-sifive.c pwm: Simplify all drivers with explicit of_pwm_n_cells = 3 2021-05-25 18:19:15 +02:00
pwm-sl28cpld.c pwm: Always allocate PWM chip base ID dynamically 2021-03-22 11:53:00 +01:00
pwm-spear.c pwm: Always allocate PWM chip base ID dynamically 2021-03-22 11:53:00 +01:00
pwm-sprd.c pwm: sprd: Refuse requests with unsupported polarity 2021-03-22 12:07:26 +01:00
pwm-sti.c pwm: sti: Free resources only after pwmchip_remove() 2021-04-09 14:46:58 +02:00
pwm-stm32-lp.c pwm: Simplify all drivers with explicit of_pwm_n_cells = 3 2021-05-25 18:19:15 +02:00
pwm-stm32.c pwm: Simplify all drivers with explicit of_pwm_n_cells = 3 2021-05-25 18:19:15 +02:00
pwm-stmpe.c pwm: Always allocate PWM chip base ID dynamically 2021-03-22 11:53:00 +01:00
pwm-sun4i.c pwm: Simplify all drivers with explicit of_pwm_n_cells = 3 2021-05-25 18:19:15 +02:00
pwm-tegra.c pwm: Always allocate PWM chip base ID dynamically 2021-03-22 11:53:00 +01:00
pwm-tiecap.c pwm: Simplify all drivers with explicit of_pwm_n_cells = 3 2021-05-25 18:19:15 +02:00
pwm-tiehrpwm.c pwm: Simplify all drivers with explicit of_pwm_n_cells = 3 2021-05-25 18:19:15 +02:00
pwm-twl-led.c pwm: Always allocate PWM chip base ID dynamically 2021-03-22 11:53:00 +01:00
pwm-twl.c pwm: Always allocate PWM chip base ID dynamically 2021-03-22 11:53:00 +01:00
pwm-visconti.c pwm: visconti: Fix and simplify period calculation 2021-05-25 18:29:40 +02:00
pwm-vt8500.c pwm: Simplify all drivers with explicit of_pwm_n_cells = 3 2021-05-25 18:19:15 +02:00
sysfs.c pwm: Allow store 64-bit duty cycle from sysfs interface 2020-09-24 09:18:14 +02:00