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(parent: 221869e) | patch
stm32mp: psci: Retain MCUDIVR, PLL3CR, PLL4CR, MSSCKSELR across suspend
authorMarek Vasut <marex@denx.de>
Tue, 26 Apr 2022 14:38:05 +0000 (16:38 +0200)
committerPatrice Chotard <patrice.chotard@foss.st.com>
Tue, 10 May 2022 11:54:47 +0000 (13:54 +0200)
commitd6ae1839650b6f4ea49c0ffbfcce6d50dce2f731
tree1855ddbfb3fada510e7a02a3b331a4afae7c5c54tree | snapshot
parent221869efc3a4cf975c1bf068227f17ce10cd5597commit | diff
stm32mp: psci: Retain MCUDIVR, PLL3CR, PLL4CR, MSSCKSELR across suspend

The SoC seems to lose the values of MCUDIVR, PLL3CR, PLL4CR, RCC_MSSCKSELR
during suspend/resume cycle, cache them and reinstate their values on resume.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Patrick Delaunay <patrick.delaunay@foss.st.com>
Cc: Patrice Chotard <patrice.chotard@foss.st.com>
Reviewed-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com>
arch/arm/mach-stm32mp/psci.c diff | blob | history
My U-Boot fork