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kernel_samsung_a53x/drivers/clk/sunxi-ng
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Jernej Skrabec eaf69c4ddb clk: sunxi-ng: h6: Reparent CPUX during PLL CPUX rate change 
[ Upstream commit 7e91ed763dc07437777bd012af7a2bd4493731ff ]

While PLL CPUX clock rate change when CPU is running from it works in
vast majority of cases, now and then it causes instability. This leads
to system crashes and other undefined behaviour. After a lot of testing
(30+ hours) while also doing a lot of frequency switches, we can't
observe any instability issues anymore when doing reparenting to stable
clock like 24 MHz oscillator.

Fixes: 524353ea480b ("clk: sunxi-ng: add support for the Allwinner H6 CCU")
Reported-by: Chad Wagner <wagnerch42@gmail.com>
Link: https://forum.libreelec.tv/thread/27295-orange-pi-3-lts-freezes/
Tested-by: Chad Wagner <wagnerch42@gmail.com>
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Link: https://lore.kernel.org/r/20231013181712.2128037-1-jernej.skrabec@gmail.com
Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-11-19 11:32:43 +01:00
..
ccu-sun4i-a10.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ccu-sun4i-a10.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ccu-sun5i.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
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ccu-sun8i-h3.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
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ccu-sun8i-r.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
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ccu-sun8i-r40.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
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ccu-sun8i-v3s.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ccu-sun8i-v3s.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ccu-sun9i-a80-de.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ccu-sun9i-a80-de.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ccu-sun9i-a80-usb.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ccu-sun9i-a80-usb.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ccu-sun9i-a80.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ccu-sun9i-a80.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ccu-sun50i-a64.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ccu-sun50i-a64.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ccu-sun50i-a100-r.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ccu-sun50i-a100-r.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ccu-sun50i-a100.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ccu-sun50i-a100.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ccu-sun50i-h6-r.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ccu-sun50i-h6-r.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ccu-sun50i-h6.c clk: sunxi-ng: h6: Reparent CPUX during PLL CPUX rate change 2024-11-19 11:32:43 +01:00
ccu-sun50i-h6.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ccu-suniv-f1c100s.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ccu-suniv-f1c100s.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ccu_common.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ccu_common.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ccu_div.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ccu_div.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ccu_frac.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ccu_frac.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ccu_gate.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ccu_gate.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ccu_mmc_timing.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ccu_mp.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
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ccu_mult.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ccu_mult.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ccu_mux.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ccu_mux.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ccu_nk.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
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ccu_nm.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ccu_nm.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ccu_phase.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ccu_phase.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ccu_reset.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ccu_reset.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ccu_sdm.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ccu_sdm.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
Kconfig Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
Makefile Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00