Re: [PATCH v2 3/8] ARM: dts: exynos: Fix watchdog reset on Exynos4412

2017-03-14 Thread Krzysztof Kozlowski
On Tue, Mar 14, 2017 at 3:03 PM, Bartlomiej Zolnierkiewicz wrote: > > Hi, > > On Saturday, March 11, 2017 07:25:22 PM Krzysztof Kozlowski wrote: >> The Exynos4412 has the same watchdog as newer SoCs (e.g. Exynos5250). >> Just like the others, for working it requires additional steps in Power >> Ma

Re: [PATCH v2 3/8] ARM: dts: exynos: Fix watchdog reset on Exynos4412

2017-03-14 Thread Bartlomiej Zolnierkiewicz
On Tuesday, March 14, 2017 03:09:25 PM Krzysztof Kozlowski wrote: > On Tue, Mar 14, 2017 at 3:03 PM, Bartlomiej Zolnierkiewicz > wrote: > > > > Hi, > > > > On Saturday, March 11, 2017 07:25:22 PM Krzysztof Kozlowski wrote: > >> The Exynos4412 has the same watchdog as newer SoCs (e.g. Exynos5250).

Re: [PATCH v2 3/8] ARM: dts: exynos: Fix watchdog reset on Exynos4412

2017-03-14 Thread Bartlomiej Zolnierkiewicz
Hi, On Saturday, March 11, 2017 07:25:22 PM Krzysztof Kozlowski wrote: > The Exynos4412 has the same watchdog as newer SoCs (e.g. Exynos5250). > Just like the others, for working it requires additional steps in Power > Management Unit: unmasking the reset request and enabling the system > reset.

Re: [PATCH v2 3/8] ARM: dts: exynos: Fix watchdog reset on Exynos4412

2017-03-12 Thread Krzysztof Kozlowski
On Sun, Mar 12, 2017 at 10:48 PM, Guenter Roeck wrote: > On 03/11/2017 09:25 AM, Krzysztof Kozlowski wrote: >> >> The Exynos4412 has the same watchdog as newer SoCs (e.g. Exynos5250). >> Just like the others, for working it requires additional steps in Power >> Management Unit: unmasking the reset

Re: [PATCH v2 3/8] ARM: dts: exynos: Fix watchdog reset on Exynos4412

2017-03-12 Thread Guenter Roeck
On 03/11/2017 09:25 AM, Krzysztof Kozlowski wrote: The Exynos4412 has the same watchdog as newer SoCs (e.g. Exynos5250). Just like the others, for working it requires additional steps in Power Management Unit: unmasking the reset request and enabling the system reset. Without these additional st

[PATCH v2 3/8] ARM: dts: exynos: Fix watchdog reset on Exynos4412

2017-03-11 Thread Krzysztof Kozlowski
The Exynos4412 has the same watchdog as newer SoCs (e.g. Exynos5250). Just like the others, for working it requires additional steps in Power Management Unit: unmasking the reset request and enabling the system reset. Without these additional steps in PMU, the watchdog will not be able to reset th