Re: [PATCH v2 3/4] watchdog: add meson secure watchdog driver

2019-10-21 Thread Xingyu Chen
Hi, Guenter On 2019/10/21 21:38, Guenter Roeck wrote: On 10/21/19 1:03 AM, Xingyu Chen wrote: Hi, Guenter On 2019/10/21 0:56, Guenter Roeck wrote: On 10/18/19 1:33 AM, Xingyu Chen wrote: The watchdog controller on the Meson-A/C series SoCs is moved to secure world, watchdog operation needs t

Re: [PATCH v2 3/4] watchdog: add meson secure watchdog driver

2019-10-21 Thread Guenter Roeck
On 10/21/19 1:03 AM, Xingyu Chen wrote: Hi, Guenter On 2019/10/21 0:56, Guenter Roeck wrote: On 10/18/19 1:33 AM, Xingyu Chen wrote: The watchdog controller on the Meson-A/C series SoCs is moved to secure world, watchdog operation needs to be done in secure EL3 mode via ATF, Non-secure world c

Re: [PATCH v2 3/4] watchdog: add meson secure watchdog driver

2019-10-21 Thread Xingyu Chen
Hi, Guenter On 2019/10/21 0:56, Guenter Roeck wrote: On 10/18/19 1:33 AM, Xingyu Chen wrote: The watchdog controller on the Meson-A/C series SoCs is moved to secure world, watchdog operation needs to be done in secure EL3 mode via ATF, Non-secure world can call SMC instruction to trap to AFT fo

Re: [PATCH v2 3/4] watchdog: add meson secure watchdog driver

2019-10-20 Thread Guenter Roeck
On 10/18/19 1:33 AM, Xingyu Chen wrote: The watchdog controller on the Meson-A/C series SoCs is moved to secure world, watchdog operation needs to be done in secure EL3 mode via ATF, Non-secure world can call SMC instruction to trap to AFT for watchdog operation. Signed-off-by: Xingyu Chen ---

[PATCH v2 3/4] watchdog: add meson secure watchdog driver

2019-10-18 Thread Xingyu Chen
The watchdog controller on the Meson-A/C series SoCs is moved to secure world, watchdog operation needs to be done in secure EL3 mode via ATF, Non-secure world can call SMC instruction to trap to AFT for watchdog operation. Signed-off-by: Xingyu Chen --- drivers/watchdog/Kconfig | 17 ++