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authorAmit Pundir <amit.pundir@linaro.org>2024-12-09 23:19:12 +0530
committerBjorn Andersson <andersson@kernel.org>2025-01-07 19:33:46 -0600
commitf760a4bb5e927a133dcd75f7b69ccae2a331e42c (patch)
tree025b1781c0d7ae6fa39419fac32d5ae853ccee6b /tools/perf/scripts/python/stackcollapse.py
parent898b72fa44f5739d22016ec5ff6697ba4ac4464d (diff)
clk: qcom: gcc-sdm845: Do not use shared clk_ops for QUPs
Similar to the earlier fixes meant for sm8x50 and x1e platforms, we have to stop using the shared clk ops for sdm845 QUPs as well. As Stephen Boyd pointed out in earlier fixes, there wasn't a problem to mark QUP clks shared until we started parking shared RCGs at clk registration time in commit 01a0a6cc8cfd ("clk: qcom: Park shared RCGs upon registration"). Parking at init is actually harmful to the UART when earlycon is used. If the device is pumping out data while the frequency changes and we see garbage on the serial console until the driver can probe and actually set a proper frequency. This patch reverts the QUP clk sharing ops part of commit 06391eddb60a ("clk: qcom: Add Global Clock controller (GCC) driver for SDM845"), so that the QUPs on sdm845 don't get parked during clk registration and break UART operations. Fixes: 01a0a6cc8cfd ("clk: qcom: Park shared RCGs upon registration") Signed-off-by: Amit Pundir <amit.pundir@linaro.org> Link: https://lore.kernel.org/r/20241209174912.2526928-1-amit.pundir@linaro.org Signed-off-by: Bjorn Andersson <andersson@kernel.org>
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