98 	struct tegra_pwm_chip *pc = to_tegra_pwm_chip(chip);  in tegra_pwm_config()  local
117 	if (period_ns < pc->min_period_ns)  in tegra_pwm_config()
133 	if (pc->soc->num_channels == 1) {  in tegra_pwm_config()
148 		err = clk_set_rate(pc->clk, required_clk_rate);  in tegra_pwm_config()
153 		pc->clk_rate = clk_get_rate(pc->clk);  in tegra_pwm_config()
156 	rate = pc->clk_rate >> PWM_DUTY_WIDTH;  in tegra_pwm_config()
184 		err = clk_prepare_enable(pc->clk);  in tegra_pwm_config()
190 	pwm_writel(pc, pwm->hwpwm, val);  in tegra_pwm_config()
196 		clk_disable_unprepare(pc->clk);  in tegra_pwm_config()
203 	struct tegra_pwm_chip *pc = to_tegra_pwm_chip(chip);  in tegra_pwm_enable()  local
207 	rc = clk_prepare_enable(pc->clk);  in tegra_pwm_enable()
211 	val = pwm_readl(pc, pwm->hwpwm);  in tegra_pwm_enable()
213 	pwm_writel(pc, pwm->hwpwm, val);  in tegra_pwm_enable()
220 	struct tegra_pwm_chip *pc = to_tegra_pwm_chip(chip);  in tegra_pwm_disable()  local
223 	val = pwm_readl(pc, pwm->hwpwm);  in tegra_pwm_disable()
225 	pwm_writel(pc, pwm->hwpwm, val);  in tegra_pwm_disable()
227 	clk_disable_unprepare(pc->clk);  in tegra_pwm_disable()
305 	struct tegra_pwm_chip *pc = platform_get_drvdata(pdev);  in tegra_pwm_remove()  local
309 	if (WARN_ON(!pc))  in tegra_pwm_remove()
312 	err = clk_prepare_enable(pc->clk);  in tegra_pwm_remove()
316 	for (i = 0; i < pc->chip.npwm; i++) {  in tegra_pwm_remove()
317 		struct pwm_device *pwm = &pc->chip.pwms[i];  in tegra_pwm_remove()
320 			if (clk_prepare_enable(pc->clk) < 0)  in tegra_pwm_remove()
323 		pwm_writel(pc, i, 0);  in tegra_pwm_remove()
325 		clk_disable_unprepare(pc->clk);  in tegra_pwm_remove()
328 	reset_control_assert(pc->rst);  in tegra_pwm_remove()
329 	clk_disable_unprepare(pc->clk);  in tegra_pwm_remove()
331 	return pwmchip_remove(&pc->chip);  in tegra_pwm_remove()