Messages in this thread | | | Date | Wed, 8 May 2024 19:40:48 +0200 | From | Francesco Dolcini <> | Subject | Re: [PATCH v1] pmdomain: imx8m-blk-ctrl: fix suspend/resume order |
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On Thu, Apr 18, 2024 at 04:51:51PM +0100, Vitor Soares wrote: > From: Vitor Soares <vitor.soares@toradex.com> > > During the probe, the genpd power_dev is added to the dpm_list after > blk_ctrl due to its parent/child relationship. Making the blk_ctrl > suspend after and resume before the genpd power_dev. > > As a consequence, the system hangs when resuming the VPU due to the > power domain dependency. > > To ensure the proper suspend/resume order, add a device link betweem > blk_ctrl and genpd power_dev. It guarantees genpd power_dev is suspended > after and resumed before blk-ctrl. >
Cc: Adam Ford
Francesco
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