rtc: ingenic: Remove unused fields from private structure

The 'clk' and 'irq' fields were only ever used in the probe function.
Therefore they can be moved to be simple local variables of the probe
function.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Link: https://lore.kernel.org/r/20200505221336.222313-5-paul@crapouillou.netSigned-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

drivers/rtc/rtc-jz4740.c

@@ -55,9 +55,6 @@ struct jz4740_rtc {
 	enum jz4740_rtc_type type;
 
 	struct rtc_device *rtc;
-	struct clk *clk;
-
-	int irq;
 
 	spinlock_t lock;
 };
@@ -313,9 +310,10 @@ static int jz4740_rtc_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
 	struct device_node *np = dev->of_node;
-	int ret;
 	struct jz4740_rtc *rtc;
 	unsigned long rate;
+	struct clk *clk;
+	int ret, irq;
 
 	rtc = devm_kzalloc(dev, sizeof(*rtc), GFP_KERNEL);
 	if (!rtc)
@@ -323,27 +321,27 @@ static int jz4740_rtc_probe(struct platform_device *pdev)
 
 	rtc->type = (enum jz4740_rtc_type)device_get_match_data(dev);
 
-	rtc->irq = platform_get_irq(pdev, 0);
-	if (rtc->irq < 0)
+	irq = platform_get_irq(pdev, 0);
+	if (irq < 0)
 		return -ENOENT;
 
 	rtc->base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(rtc->base))
 		return PTR_ERR(rtc->base);
 
-	rtc->clk = devm_clk_get(dev, "rtc");
-	if (IS_ERR(rtc->clk)) {
+	clk = devm_clk_get(dev, "rtc");
+	if (IS_ERR(clk)) {
 		dev_err(dev, "Failed to get RTC clock\n");
-		return PTR_ERR(rtc->clk);
+		return PTR_ERR(clk);
 	}
 
-	ret = clk_prepare_enable(rtc->clk);
+	ret = clk_prepare_enable(clk);
 	if (ret) {
 		dev_err(dev, "Failed to enable clock\n");
 		return ret;
 	}
 
-	ret = devm_add_action_or_reset(dev, jz4740_rtc_clk_disable, rtc->clk);
+	ret = devm_add_action_or_reset(dev, jz4740_rtc_clk_disable, clk);
 	if (ret) {
 		dev_err(dev, "Failed to register devm action\n");
 		return ret;
@@ -355,7 +353,7 @@ static int jz4740_rtc_probe(struct platform_device *pdev)
 
 	device_init_wakeup(dev, 1);
 
-	ret = dev_pm_set_wake_irq(dev, rtc->irq);
+	ret = dev_pm_set_wake_irq(dev, irq);
 	if (ret) {
 		dev_err(dev, "Failed to set wake irq: %d\n", ret);
 		return ret;
@@ -371,14 +369,14 @@ static int jz4740_rtc_probe(struct platform_device *pdev)
 	rtc->rtc->ops = &jz4740_rtc_ops;
 	rtc->rtc->range_max = U32_MAX;
 
-	rate = clk_get_rate(rtc->clk);
+	rate = clk_get_rate(clk);
 	jz4740_rtc_set_wakeup_params(rtc, np, rate);
 
 	ret = rtc_register_device(rtc->rtc);
 	if (ret)
 		return ret;
 
-	ret = devm_request_irq(dev, rtc->irq, jz4740_rtc_irq, 0,
+	ret = devm_request_irq(dev, irq, jz4740_rtc_irq, 0,
 			       pdev->name, rtc);
 	if (ret) {
 		dev_err(dev, "Failed to request rtc irq: %d\n", ret);