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| author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2017-01-30 10:57:22 +0300 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2017-01-30 10:57:22 +0300 |
| commit | 1b62d134d3c5f9e67de096af7ea3e9fe48966f17 (patch) | |
| tree | be30467e997cc8ba0d350309dd498f00cb69969b /drivers/clk/imx/clk-pllv3.c | |
| parent | 7a37052adb5e843bcfff6c98aee9b60bb087b910 (diff) | |
| parent | e9ca038a94f5a41c0689c5f441fd9c5a567e6f39 (diff) | |
| download | linux-1b62d134d3c5f9e67de096af7ea3e9fe48966f17.tar.xz | |
Merge back earlier ACPICA changes for v4.11.
Diffstat (limited to 'drivers/clk/imx/clk-pllv3.c')
| -rw-r--r-- | drivers/clk/imx/clk-pllv3.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/clk/imx/clk-pllv3.c b/drivers/clk/imx/clk-pllv3.c index 7a6acc3e4a92..ed3a2df536ea 100644 --- a/drivers/clk/imx/clk-pllv3.c +++ b/drivers/clk/imx/clk-pllv3.c @@ -234,6 +234,7 @@ static long clk_pllv3_av_round_rate(struct clk_hw *hw, unsigned long rate, unsigned long max_rate = parent_rate * 54; u32 div; u32 mfn, mfd = 1000000; + u32 max_mfd = 0x3FFFFFFF; u64 temp64; if (rate > max_rate) @@ -241,6 +242,9 @@ static long clk_pllv3_av_round_rate(struct clk_hw *hw, unsigned long rate, else if (rate < min_rate) rate = min_rate; + if (parent_rate <= max_mfd) + mfd = parent_rate; + div = rate / parent_rate; temp64 = (u64) (rate - div * parent_rate); temp64 *= mfd; @@ -262,11 +266,15 @@ static int clk_pllv3_av_set_rate(struct clk_hw *hw, unsigned long rate, unsigned long max_rate = parent_rate * 54; u32 val, div; u32 mfn, mfd = 1000000; + u32 max_mfd = 0x3FFFFFFF; u64 temp64; if (rate < min_rate || rate > max_rate) return -EINVAL; + if (parent_rate <= max_mfd) + mfd = parent_rate; + div = rate / parent_rate; temp64 = (u64) (rate - div * parent_rate); temp64 *= mfd; |