Function prototype or declaration at include/linux/pwm.h, line 438 References: drivers/pwm/core.c, line 337 drivers/pwm/core.c, line 368 drivers/pwm/pwm-ab8500.c, line 122 drivers/pwm/pwm-atmel-hlcdc.c, line 291 drivers/pwm/pwm-atmel-tcb.c, line 433 drivers/pwm/pwm-atmel.c, line 415 drivers/pwm/pwm-bcm-iproc.c, line 256 drivers/pwm/pwm-bcm-kona.c, line 323 drivers/pwm/pwm-bcm2835.c, line 190 drivers/pwm/pwm-berlin.c, line 230 drivers/pwm/pwm-bfin.c, line 146 drivers/pwm/pwm-brcmstb.c, line 300 drivers/pwm/pwm-clps711x.c, line 154 drivers/pwm/pwm-crc.c, line 132 drivers/pwm/pwm-cros-ec.c, line 237 drivers/pwm/pwm-ep93xx.c, line 214 drivers/pwm/pwm-fsl-ftm.c, line 466 drivers/pwm/pwm-img.c, line 291 drivers/pwm/pwm-imx.c, line 334 drivers/pwm/pwm-jz4740.c, line 191 drivers/pwm/pwm-lp3943.c, line 292 drivers/pwm/pwm-lpc18xx-sct.c, line 442 drivers/pwm/pwm-lpc18xx-sct.c, line 459 drivers/pwm/pwm-lpc32xx.c, line 151 drivers/pwm/pwm-lpss.c, line 202 drivers/pwm/pwm-meson.c, line 514 drivers/pwm/pwm-mtk-disp.c, line 253 drivers/pwm/pwm-mxs.c, line 176 drivers/pwm/pwm-mxs.c, line 184 drivers/pwm/pwm-omap-dmtimer.c, line 348 drivers/pwm/pwm-pca9685.c, line 358 drivers/pwm/pwm-puv3.c, line 143 drivers/pwm/pwm-pxa.c, line 222 drivers/pwm/pwm-rcar.c, line 252 drivers/pwm/pwm-renesas-tpu.c, line 444 drivers/pwm/pwm-rockchip.c, line 374 drivers/pwm/pwm-samsung.c, line 585 drivers/pwm/pwm-spear.c, line 241 drivers/pwm/pwm-sti.c, line 676 drivers/pwm/pwm-sun4i.c, line 373 drivers/pwm/pwm-sun4i.c, line 381 drivers/pwm/pwm-tegra.c, line 253 drivers/pwm/pwm-tiecap.c, line 262 drivers/pwm/pwm-tiehrpwm.c, line 509 drivers/pwm/pwm-twl-led.c, line 323 drivers/pwm/pwm-twl.c, line 343 drivers/pwm/pwm-vt8500.c, line 261 drivers/staging/greybus/pwm.c, line 318 include/linux/pwm.h, line 438 include/linux/pwm.h, line 525