For the EVM's RTC, include a warning about how hours 12-23 are
misreported ... the only way to really resolve this involves
fixing the MSP430 firmware to include an AM/PM indicator.
Signed-off-by: David Brownell <[EMAIL PROTECTED]>
Index: d26.rc4test/drivers/rtc/rtc-davinci-evm.c
===================================================================
--- d26.rc4test.orig/drivers/rtc/rtc-davinci-evm.c 2006-09-19
13:33:58.000000000 -0700
+++ d26.rc4test/drivers/rtc/rtc-davinci-evm.c 2006-09-19 13:35:56.000000000
-0700
@@ -61,6 +61,10 @@ static int evm_read_time(struct device *
davinci_i2c_read(9, rtcdata, 0x23);
msleep(1);
+ /* FIXME the RTC reports 12-hour time, without an AM/PM indicator,
+ * but Linux requires that we report 24 hour time...
+ */
+
tm->tm_year = BCD_TO_BIN(rtcdata[3]) * 100
+ BCD_TO_BIN(rtcdata[2])
- 1900;
@@ -219,12 +223,17 @@ static int __devinit evm_rtc_probe(struc
/* the 2005-12-05 firmware doesn't issue RTC alarms on GPIO(7);
* it only uses IRQ for card detect irqs with removable media.
+ * plus it also hides the am/pm indicator and does magic DST...
*/
rtc = rtc_device_register(pdev->name, &pdev->dev,
&evm_rtc_ops, THIS_MODULE);
if (IS_ERR(rtc))
return PTR_ERR(rtc);
+ printk(KERN_WARNING "%s: hours 12-23 are misreported as "
+ "duplicate hours 00-11\n",
+ rtc->class_dev.class_id);
+
platform_set_drvdata(pdev, rtc);
return 0;
}
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