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authorPeng Fan <peng.fan@nxp.com>2024-08-14 20:47:40 +0800
committerUlf Hansson <ulf.hansson@linaro.org>2024-08-15 12:47:09 +0200
commit52dd070c62e4ae2b5e7411b920e3f7a64235ecfb (patch)
tree0b0b067bd3c2e0619ac22a5836b8374572438c62 /scripts/cleanpatch
parent50359c9c3cb3e55e840e3485f5ee37da5b2b16b6 (diff)
pmdomain: imx: wait SSAR when i.MX93 power domain on
With "quiet" set in bootargs, there is power domain failure: "imx93_power_domain 44462400.power-domain: pd_off timeout: name: 44462400.power-domain, stat: 4" The current power on opertation takes ISO state as power on finished flag, but it is wrong. Before powering on operation really finishes, powering off comes and powering off will never finish because the last powering on still not finishes, so the following powering off actually not trigger hardware state machine to run. SSAR is the last step when powering on a domain, so need to wait SSAR done when powering on. Since EdgeLock Enclave(ELE) handshake is involved in the flow, enlarge the waiting time to 10ms for both on and off to avoid timeout. Cc: stable@vger.kernel.org Fixes: 0a0f7cc25d4a ("soc: imx: add i.MX93 SRC power domain driver") Reviewed-by: Jacky Bai <ping.bai@nxp.com> Signed-off-by: Peng Fan <peng.fan@nxp.com> Link: https://lore.kernel.org/r/20240814124740.2778952-1-peng.fan@oss.nxp.com Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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