clk: spacemit: k3: set hdma clock as critical

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HDMA clock is responsible for the internal TCM access path of X100 RISC-V
core, so set the clock flag as critical to prevent it from being shut off,
otherwise the Linux system will hang, for example in the case of a vector
instruction access generates a page fault.

Fixes: e371a77255 ("clk: spacemit: k3: add the clock tree")
Reported-by: Han Gao <gaohan@iscas.ac.cn>
Tested-by: Aurelien Jarno <aurelien@aurel32.net>
Link: https://patch.msgid.link/20260630-06-clk-hdma-critial-v1-1-443c0ac88c5f@kernel.org
Signed-off-by: Yixun Lan <dlan@kernel.org>

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Yixun Lan 2026-06-30 08:53:19 +00:00

parent 51ed536309

commit eb525edd48

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drivers/clk/spacemit/ccu-k3.c

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