interconnect: Restore sync state by ignoring ipa-virt in provider count
authorStephen Boyd <swboyd@chromium.org>
Wed, 27 Apr 2022 01:32:26 +0000 (18:32 -0700)
committerGeorgi Djakov <djakov@kernel.org>
Tue, 3 May 2022 19:24:21 +0000 (22:24 +0300)
commit20ce30fb4750f2ffc130cdcb26232b1dd87cd0a5
treee0ec3e49e4aa72664f5f22b4307d90802e62621b
parent2fb251c265608636fc961b7d38e1a03937e57371
interconnect: Restore sync state by ignoring ipa-virt in provider count

Ignore compatible strings for the IPA virt drivers that were removed in
commits 2fb251c26560 ("interconnect: qcom: sdx55: Drop IP0
interconnects") and 2f3724930eb4 ("interconnect: qcom: sc7180: Drop IP0
interconnects") so that the sync state logic can kick in again.
Otherwise all the interconnects in the system will stay pegged at max
speeds because 'providers_count' is always going to be one larger than
the number of drivers that will ever probe on sc7180 or sdx55. This
fixes suspend on sc7180 and sdx55 devices when you don't have a
devicetree patch to remove the ipa-virt compatible node.

Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: Doug Anderson <dianders@chromium.org>
Cc: Alex Elder <elder@linaro.org>
Cc: Taniya Das <quic_tdas@quicinc.com>
Cc: Mike Tipton <quic_mdtipton@quicinc.com>
Fixes: 2fb251c26560 ("interconnect: qcom: sdx55: Drop IP0 interconnects")
Fixes: 2f3724930eb4 ("interconnect: qcom: sc7180: Drop IP0 interconnects")
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Alex Elder <elder@linaro.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Link: https://lore.kernel.org/r/20220427013226.341209-1-swboyd@chromium.org
Signed-off-by: Georgi Djakov <djakov@kernel.org>
drivers/interconnect/core.c