[xburst] n516-lpc: Ack wakeup events and some minor cleanups

[openwrt-10.03/.git] / target / linux / xburst / files-2.6.32 / drivers / rtc / rtc-jz4740.c

diff --git a/target/linux/xburst/files-2.6.32/drivers/rtc/rtc-jz4740.c b/target/linux/xburst/files-2.6.32/drivers/rtc/rtc-jz4740.c
index 190b54afd8c87ddf2403a5a7d88575be0b465dfc..03479a73f7f7ef19a0823a0b31c0c2c435dd7188 100644 (file)
--- a/target/linux/xburst/files-2.6.32/drivers/rtc/rtc-jz4740.c
+++ b/target/linux/xburst/files-2.6.32/drivers/rtc/rtc-jz4740.c
@@ -22,7 +22,8 @@
 #define JZ_REG_RTC_CTRL                0x00
 #define JZ_REG_RTC_SEC         0x04
 #define JZ_REG_RTC_SEC_ALARM   0x08
-#define JZ_REG_REGULATOR       0x0C
+#define JZ_REG_RTC_REGULATOR   0x0C
+#define JZ_REG_RTC_SCRATCHPAD  0x34
 
 #define JZ_RTC_CTRL_WRDY       BIT(7)
 #define JZ_RTC_CTRL_1HZ                BIT(6)
@@ -211,6 +212,7 @@ static int __devinit jz4740_rtc_probe(struct platform_device *pdev)
 {
        int ret;
        struct jz4740_rtc *rtc;
+       uint32_t scratchpad;
 
        rtc = kmalloc(sizeof(*rtc), GFP_KERNEL);
 
@@ -258,13 +260,18 @@ static int __devinit jz4740_rtc_probe(struct platform_device *pdev)
        }
 
        ret = request_irq(rtc->irq, jz4740_rtc_irq, 0,
-                               pdev->name,  rtc);
+                               pdev->name, rtc);
 
        if (ret) {
                dev_err(&pdev->dev, "Failed to request rtc irq: %d\n", ret);
                goto err_unregister_rtc;
        }
-       printk("rtc-ctrl: %d\n", jz4740_rtc_reg_read(rtc, JZ_REG_RTC_CTRL));
+
+       scratchpad = jz4740_rtc_reg_read(rtc, JZ_REG_RTC_SCRATCHPAD);
+       if (scratchpad != 0x12345678) {
+               jz4740_rtc_reg_write(rtc, JZ_REG_RTC_SCRATCHPAD, 0x12345678);
+               jz4740_rtc_reg_write(rtc, JZ_REG_RTC_SEC, 0);
+       }
 
        return 0;
 
@@ -285,6 +292,8 @@ static int __devexit jz4740_rtc_remove(struct platform_device *pdev)
 {
        struct jz4740_rtc *rtc = platform_get_drvdata(pdev);
 
+       free_irq(rtc->irq, rtc);
+
        rtc_device_unregister(rtc->rtc);
 
        iounmap(rtc->base);
@@ -322,4 +331,3 @@ MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
 MODULE_LICENSE("GPL");
 MODULE_DESCRIPTION("RTC driver for the JZ4720/JZ4740 SoC\n");
 MODULE_ALIAS("platform:jz4740-rtc");
-MODULE_ALIAS("platform:jz4720-rtc");