On Sat, 17 Feb 2024 at 17:03, Johan Hovold johan+linaro@kernel.org wrote:
From: Rob Clark robdclark@chromium.org
We need to bail out before adding/removing devices if we are going to -EPROBE_DEFER. Otherwise boot can get stuck in a probe deferral loop due to a long-standing issue in driver core (see fbc35b45f9f6 ("Add documentation on meaning of -EPROBE_DEFER")).
Deregistering the altmode child device can potentially also trigger bugs in the DRM bridge implementation, which does not expect bridges to go away.
Suggested-by: Dmitry Baryshkov dmitry.baryshkov@linaro.org Signed-off-by: Rob Clark robdclark@chromium.org Link: https://lore.kernel.org/r/20231213210644.8702-1-robdclark@gmail.com [ johan: rebase on 6.8-rc4, amend commit message and mention DRM ] Fixes: 58ef4ece1e41 ("soc: qcom: pmic_glink: Introduce base PMIC GLINK driver") Cc: stable@vger.kernel.org # 6.3 Cc: Bjorn Andersson andersson@kernel.org Signed-off-by: Johan Hovold johan+linaro@kernel.org
drivers/soc/qcom/pmic_glink.c | 21 +++++++++++---------- 1 file changed, 11 insertions(+), 10 deletions(-)
Reviewed-by: Dmitry Baryshkov dmitry.baryshkov@linaro.org