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authorClaudiu Beznea <claudiu.beznea.uj@bp.renesas.com>2025-04-10 17:15:25 +0300
committerMark Brown <broonie@kernel.org>2025-04-24 12:51:46 +0100
commitc1b0f5183a4488b6b7790f834ce3a786725b3583 (patch)
tree1a2baa392e6018b274543baffec7d79a53bf917c /scripts/generate_rust_analyzer.py
parentda6d7db8b1620521d093a973a0110898f6585ff9 (diff)
ASoC: renesas: rz-ssi: Use NOIRQ_SYSTEM_SLEEP_PM_OPS()
In the latest kernel versions system crashes were noticed occasionally during suspend/resume. This occurs because the RZ SSI suspend trigger (called from snd_soc_suspend()) is executed after rz_ssi_pm_ops->suspend() and it accesses IP registers. After the rz_ssi_pm_ops->suspend() is executed the IP clocks are disabled and its reset line is asserted. Since snd_soc_suspend() is invoked through snd_soc_pm_ops->suspend(), snd_soc_pm_ops is associated with soc_driver (defined in sound/soc/soc-core.c), and there is no parent-child relationship between soc_driver and rz_ssi_driver the power management subsystem does not enforce a specific suspend/resume order between the RZ SSI platform driver and soc_driver. To ensure that the suspend/resume function of rz-ssi is executed after snd_soc_suspend(), use NOIRQ_SYSTEM_SLEEP_PM_OPS(). Fixes: 1fc778f7c833 ("ASoC: renesas: rz-ssi: Add suspend to RAM support") Cc: stable@vger.kernel.org Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com> Link: https://patch.msgid.link/20250410141525.4126502-1-claudiu.beznea.uj@bp.renesas.com Signed-off-by: Mark Brown <broonie@kernel.org>
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