Am Donnerstag, 1. Mai 2014, 08:41:28 schrieb Guenter Roeck: > Some hardware implements reboot through its watchdog hardware, for example > by triggering a watchdog timeout or by writing into its watchdog register > set. Platform specific code starts to spread into watchdog drivers, > typically by setting pointers to a callback function which is then called > from the architecture's reset handler. > > While global and exported callback function pointers (such as > arm_pm_restart) may be acceptable as long as they are used from platform > and/or architecture code, using such a mechanism across subsystems and > drivers is less than desirable. Ultimately, we'll need a better solution. > > This patch series is an attempt to provide such a solution. It extends > the watchdog subsystem to support reboot functionality, provides an > API function call to trigger reboots, adds support for the new API > to arm and arm64, and converts the drivers providing reboot functionality > to use the new infrastructure. > > The first patch in the series implements the new API. The second and third > patch modify the arm and arm64 architecture reset handlers to call the > added API function. The final two patches register the reboot handlers > in the sunxi and moxart watchdog drivers with the watchdog subsystem. > > The sunxi patche depends on the most recent patch series sumitted by > Maxime Ripard. a lot of Samsung architectures use a watchdog based reset too (among them some of the s3c24xx I care about) and this series looks really great for this, so Acked-by: Heiko Stuebner <heiko@xxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe linux-watchdog" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
