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authorHeiko Stuebner <heiko@sntech.de>2014-11-20 20:38:52 +0100
committerHeiko Stuebner <heiko@sntech.de>2014-11-25 09:57:18 +0100
commit0bb66d3b6e78168f8f49c7a41060508707f04d1d (patch)
tree812b8a0face8604c03d472bbb75b7066b092687e /lib/decompress_unlz4.c
parentd0e7a0ca4b57483e424334c453818529148baafd (diff)
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clk: rockchip: add optional sync to pll rate parameters
In some cases firmware brings up plls with different parameters than the ones noted in the rate table for the specific frequency. These firmware-selected parameters are worse than the tested ones in the pll rate tables but cannot be changed by a simple clk_set_rate call when the rate stays the same. Therefore add a ROCKCHIP_PLL_SYNC_RATE flag and implement an init callback that checks the runtime-parameters against the matching rate table entry and adjusts them to the table-ones if necessary. If no rate table is set or the current rate does not match any rate-table entry no changes are made. Being able to limit this adjustment to specific plls is necessary to not touch the ones supplying core components like the apll and dpll supplying the armcores and dram. Signed-off-by: Heiko Stuebner <heiko@sntech.de> Reviewed-by: Kever Yang <kever.yang@rock-chips.com> Tested-by: Kever Yang <kever.yang@rock-chips.com>
Diffstat (limited to 'lib/decompress_unlz4.c')
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