linux-stable/drivers/clk/rockchip
Quentin Schulz 10b74af310 clk: rockchip: re-add rational best approximation algorithm to the fractional divider
In commit 4e7cf74fa3 ("clk: fractional-divider: Export approximation
algorithm to the CCF users"), the code handling the rational best
approximation algorithm was replaced by a call to the core
clk_fractional_divider_general_approximation function which did the same
thing back then.

However, in commit 82f53f9ee5 ("clk: fractional-divider: Introduce
POWER_OF_TWO_PS flag"), this common code was made conditional on
CLK_FRAC_DIVIDER_POWER_OF_TWO_PS flag which was not added back to the
rockchip clock driver.

This broke the ltk050h3146w-a2 MIPI DSI display present on a PX30-based
downstream board.

Let's add the flag to the fractional divider flags so that the original
and intended behavior is brought back to the rockchip clock drivers.

Fixes: 82f53f9ee5 ("clk: fractional-divider: Introduce POWER_OF_TWO_PS flag")
Cc: stable@vger.kernel.org
Cc: Quentin Schulz <foss+kernel@0leil.net>
Signed-off-by: Quentin Schulz <quentin.schulz@theobroma-systems.com>
Link: https://lore.kernel.org/r/20220131163224.708002-1-quentin.schulz@theobroma-systems.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2022-02-24 00:07:16 +01:00
..
clk-cpu.c clk: rockchip: support more core div setting 2021-03-21 11:10:58 +01:00
clk-ddr.c clk: rockchip: Export rockchip_clk_register_ddrclk() 2020-09-22 15:16:37 +02:00
clk-half-divider.c clk: rockchip: Demote non-conformant kernel-doc header in half-divider 2021-01-26 00:24:05 +01:00
clk-inverter.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157 2019-05-30 11:26:37 -07:00
clk-mmc-phase.c clk: rockchip: fix mmc get phase 2020-03-06 12:06:01 -08:00
clk-muxgrf.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282 2019-06-05 17:36:37 +02:00
clk-pll.c clk: rockchip: drop GRF dependency for rk3328/rk3036 pll types 2021-07-29 11:22:29 +02:00
clk-px30.c clk: rockchip: support more core div setting 2021-03-21 11:10:58 +01:00
clk-rk3036.c clk: rockchip: Add support for hclk_sfc on rk3036 2021-07-16 00:33:42 +02:00
clk-rk3128.c clk: rockchip: support more core div setting 2021-03-21 11:10:58 +01:00
clk-rk3188.c clk: rockchip: support more core div setting 2021-03-21 11:10:58 +01:00
clk-rk3228.c clk: rockchip: support more core div setting 2021-03-21 11:10:58 +01:00
clk-rk3288.c clk: rockchip: support more core div setting 2021-03-21 11:10:58 +01:00
clk-rk3308.c clk: rockchip: make rk3308 ddrphy4x clock critical 2021-07-29 12:43:11 +02:00
clk-rk3328.c clk: rockchip: support more core div setting 2021-03-21 11:10:58 +01:00
clk-rk3368.c clk: rockchip: support more core div setting 2021-03-21 11:10:58 +01:00
clk-rk3399.c clk: rockchip: drop module parts from rk3399 and rk3568 drivers 2021-11-02 17:59:00 -07:00
clk-rk3568.c clk/rockchip: Use of_device_get_match_data() 2022-02-23 23:59:27 +01:00
clk-rv1108.c clk: rockchip: support more core div setting 2021-03-21 11:10:58 +01:00
clk.c clk: rockchip: re-add rational best approximation algorithm to the fractional divider 2022-02-24 00:07:16 +01:00
clk.h clk: rockchip: Optimize PLL table memory usage 2021-05-11 12:22:29 +02:00
Kconfig clk: rockchip: drop module parts from rk3399 and rk3568 drivers 2021-11-02 17:59:00 -07:00
Makefile clk: rockchip: add clock controller for rk3568 2021-03-21 11:10:59 +01:00
softrst.c clk: rockchip: Export rockchip_register_softrst() 2020-09-22 15:16:38 +02:00