Hi Noralf,
Am 09.06.2015 um 12:21 schrieb Noralf Trønnes:
This adds a new poweroff function to the watchdog driver for the
Raspberry Pi. Currently poweroff/halt results in a reboot.
[...]
+static void rpi_power_off(void)
+{
+ struct device_node *np =
+ of_find_compatible_node(NULL, NULL, "brcm,raspberrypi-pm-wdt");
+ struct platform_device *pdev = of_find_device_by_node(np);
+ struct bcm2835_wdt *wdt = platform_get_drvdata(pdev);
+ u32 val;
+
+ val = readl_relaxed(wdt->base + PM_RSTS);
do you think it's safe here to assume wdt could never be NULL?
May be it's necessary to send the series to the watchdog / bcm2835
maintainers to get more feedback.
Regards
Stefan
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