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clk: hi3660: Mark clk_gate_ufs_subsys as critical

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clk_gate_ufs_subsys is a system bus clock, turning off it will
introduce lockup issue during system suspend flow.  Let's mark
clk_gate_ufs_subsys as critical clock, thus keeps it on during
system suspend and resume.

Fixes: d374e6fd50 ("clk: hisilicon: Add clock driver for hi3660 SoC")
Cc: [email protected]
Cc: Zhong Kaihua <[email protected]>
Cc: John Stultz <[email protected]>
Cc: Zhangfei Gao <[email protected]>
Suggested-by: Dong Zhang <[email protected]>
Signed-off-by: Leo Yan <[email protected]>
Signed-off-by: Stephen Boyd <[email protected]>
This commit is contained in:
Leo Yan 2019-03-20 18:05:08 +08:00 • committed by Stephen Boyd
commit 9f77a60669
1 changed files with 5 additions and 1 deletions
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6
drivers/clk/hisilicon/clk-hi3660.c
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@ -163,8 +163,12 @@ static const struct hisi_gate_clock hi3660_crgctrl_gate_sep_clks[] = {
"clk_isp_snclk_mux", CLK_SET_RATE_PARENT, 0x50, 17, 0, },
{ HI3660_CLK_GATE_ISP_SNCLK2, "clk_gate_isp_snclk2",
"clk_isp_snclk_mux", CLK_SET_RATE_PARENT, 0x50, 18, 0, },
/*
* clk_gate_ufs_subsys is a system bus clock, mark it as critical
* clock and keep it on for system suspend and resume.
*/
{ HI3660_CLK_GATE_UFS_SUBSYS, "clk_gate_ufs_subsys", "clk_div_sysbus",
CLK_SET_RATE_PARENT, 0x50, 21, 0, },
CLK_SET_RATE_PARENT | CLK_IS_CRITICAL, 0x50, 21, 0, },
{ HI3660_PCLK_GATE_DSI0, "pclk_gate_dsi0", "clk_div_cfgbus",
CLK_SET_RATE_PARENT, 0x50, 28, 0, },
{ HI3660_PCLK_GATE_DSI1, "pclk_gate_dsi1", "clk_div_cfgbus",