diff options
Diffstat (limited to 'arch/arm/mach-mx3/clock.c')
| -rw-r--r-- | arch/arm/mach-mx3/clock.c | 26 |
1 files changed, 2 insertions, 24 deletions
diff --git a/arch/arm/mach-mx3/clock.c b/arch/arm/mach-mx3/clock.c index b1746aae1f8..8486ea46d6c 100644 --- a/arch/arm/mach-mx3/clock.c +++ b/arch/arm/mach-mx3/clock.c @@ -158,10 +158,8 @@ static int _clk_pll_set_rate(struct clk *clk, unsigned long rate) static unsigned long _clk_pll_get_rate(struct clk *clk) { - long mfi, mfn, mfd, pdf, ref_clk, mfn_abs; unsigned long reg, ccmr; - s64 temp; - unsigned int prcs; + unsigned int prcs, ref_clk; ccmr = __raw_readl(MXC_CCM_CCMR); prcs = (ccmr & MXC_CCM_CCMR_PRCS_MASK) >> MXC_CCM_CCMR_PRCS_OFFSET; @@ -185,27 +183,7 @@ static unsigned long _clk_pll_get_rate(struct clk *clk) return 0; } - pdf = (reg & MXC_CCM_PCTL_PD_MASK) >> MXC_CCM_PCTL_PD_OFFSET; - mfd = (reg & MXC_CCM_PCTL_MFD_MASK) >> MXC_CCM_PCTL_MFD_OFFSET; - mfi = (reg & MXC_CCM_PCTL_MFI_MASK) >> MXC_CCM_PCTL_MFI_OFFSET; - mfi = (mfi <= 5) ? 5 : mfi; - mfn = mfn_abs = reg & MXC_CCM_PCTL_MFN_MASK; - - if (mfn >= 0x200) { - mfn |= 0xFFFFFE00; - mfn_abs = -mfn; - } - - ref_clk *= 2; - ref_clk /= pdf + 1; - - temp = (u64) ref_clk * mfn_abs; - do_div(temp, mfd + 1); - if (mfn < 0) - temp = -temp; - temp = (ref_clk * mfi) + temp; - - return temp; + return mxc_decode_pll(reg, ref_clk); } static int _clk_usb_pll_enable(struct clk *clk) |