From: Tony Lindgren tony@atomide.com
stable inclusion from stable-v6.6.3 commit dc0cbcba24a8c867bfa43ff11746019a4dc5b894 category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I8LBQP
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=...
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[ Upstream commit fbb74e56378d8306f214658e3d525a8b3f000c5a ]
We need to check for an active device as otherwise we get warnings for some mcbsp instances for "Runtime PM usage count underflow!".
Reported-by: Andreas Kemnade andreas@kemnade.info Signed-off-by: Tony Lindgren tony@atomide.com Link: https://lore.kernel.org/r/20231030052340.13415-1-tony@atomide.com Signed-off-by: Mark Brown broonie@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org Signed-off-by: Zheng Zengkai zhengzengkai@huawei.com --- sound/soc/ti/omap-mcbsp.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/sound/soc/ti/omap-mcbsp.c b/sound/soc/ti/omap-mcbsp.c index fdabed5133e8..b399d86f2277 100644 --- a/sound/soc/ti/omap-mcbsp.c +++ b/sound/soc/ti/omap-mcbsp.c @@ -74,14 +74,16 @@ static int omap2_mcbsp_set_clks_src(struct omap_mcbsp *mcbsp, u8 fck_src_id) return 0; }
- pm_runtime_put_sync(mcbsp->dev); + if (mcbsp->active) + pm_runtime_put_sync(mcbsp->dev);
r = clk_set_parent(mcbsp->fclk, fck_src); if (r) dev_err(mcbsp->dev, "CLKS: could not clk_set_parent() to %s\n", src);
- pm_runtime_get_sync(mcbsp->dev); + if (mcbsp->active) + pm_runtime_get_sync(mcbsp->dev);
clk_put(fck_src);