80 	struct spear_pwm_chip *pc = to_spear_pwm_chip(chip);  in spear_pwm_config()  local
95 	clk_rate = clk_get_rate(pc->clk);  in spear_pwm_config()
124 	ret = clk_enable(pc->clk);  in spear_pwm_config()
128 	spear_pwm_writel(pc, pwm->hwpwm, PWMCR,  in spear_pwm_config()
130 	spear_pwm_writel(pc, pwm->hwpwm, PWMDCR, dc);  in spear_pwm_config()
131 	spear_pwm_writel(pc, pwm->hwpwm, PWMPCR, pv);  in spear_pwm_config()
132 	clk_disable(pc->clk);  in spear_pwm_config()
139 	struct spear_pwm_chip *pc = to_spear_pwm_chip(chip);  in spear_pwm_enable()  local
143 	rc = clk_enable(pc->clk);  in spear_pwm_enable()
147 	val = spear_pwm_readl(pc, pwm->hwpwm, PWMCR);  in spear_pwm_enable()
149 	spear_pwm_writel(pc, pwm->hwpwm, PWMCR, val);  in spear_pwm_enable()
156 	struct spear_pwm_chip *pc = to_spear_pwm_chip(chip);  in spear_pwm_disable()  local
159 	val = spear_pwm_readl(pc, pwm->hwpwm, PWMCR);  in spear_pwm_disable()
161 	spear_pwm_writel(pc, pwm->hwpwm, PWMCR, val);  in spear_pwm_disable()
163 	clk_disable(pc->clk);  in spear_pwm_disable()
198 	struct spear_pwm_chip *pc;  in spear_pwm_probe()  local
202 	pc = devm_kzalloc(&pdev->dev, sizeof(*pc), GFP_KERNEL);  in spear_pwm_probe()
203 	if (!pc)  in spear_pwm_probe()
206 	pc->mmio_base = devm_platform_ioremap_resource(pdev, 0);  in spear_pwm_probe()
207 	if (IS_ERR(pc->mmio_base))  in spear_pwm_probe()
208 		return PTR_ERR(pc->mmio_base);  in spear_pwm_probe()
210 	pc->clk = devm_clk_get(&pdev->dev, NULL);  in spear_pwm_probe()
211 	if (IS_ERR(pc->clk))  in spear_pwm_probe()
212 		return PTR_ERR(pc->clk);  in spear_pwm_probe()
214 	platform_set_drvdata(pdev, pc);  in spear_pwm_probe()
216 	pc->chip.dev = &pdev->dev;  in spear_pwm_probe()
217 	pc->chip.ops = &spear_pwm_ops;  in spear_pwm_probe()
218 	pc->chip.npwm = NUM_PWM;  in spear_pwm_probe()
220 	ret = clk_prepare(pc->clk);  in spear_pwm_probe()
225 		ret = clk_enable(pc->clk);  in spear_pwm_probe()
227 			clk_unprepare(pc->clk);  in spear_pwm_probe()
234 		val = readl_relaxed(pc->mmio_base + PWMMCR);  in spear_pwm_probe()
236 		writel_relaxed(val, pc->mmio_base + PWMMCR);  in spear_pwm_probe()
238 		clk_disable(pc->clk);  in spear_pwm_probe()
241 	ret = pwmchip_add(&pc->chip);  in spear_pwm_probe()
243 		clk_unprepare(pc->clk);  in spear_pwm_probe()
252 	struct spear_pwm_chip *pc = platform_get_drvdata(pdev);  in spear_pwm_remove()  local
254 	pwmchip_remove(&pc->chip);  in spear_pwm_remove()
257 	clk_unprepare(pc->clk);  in spear_pwm_remove()