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author | Linus Torvalds <torvalds@woody.osdl.org> | 2006-12-07 18:40:39 -0500 |
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committer | Linus Torvalds <torvalds@woody.osdl.org> | 2006-12-07 18:40:39 -0500 |
commit | ea14fad0d416354a4e9bb1a04f32acba706f9548 (patch) | |
tree | 2c8acc5331f189aef1d40ddce3f40d6be9314e77 /arch/arm/mach-imx/generic.c | |
parent | 6ee7e78e7c78d871409ad4df30551c9355be7d0e (diff) | |
parent | 6705cda24fad1cb0ac82ac4f312df8ec735b39b0 (diff) |
Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (76 commits)
[ARM] 4002/1: S3C24XX: leave parent IRQs unmasked
[ARM] 4001/1: S3C24XX: shorten reboot time
[ARM] 3983/2: remove unused argument to __bug()
[ARM] 4000/1: Osiris: add third serial port in
[ARM] 3999/1: RX3715: suspend to RAM support
[ARM] 3998/1: VR1000: LED platform devices
[ARM] 3995/1: iop13xx: add iop13xx support
[ARM] 3968/1: iop13xx: add iop13xx_defconfig
[ARM] Update mach-types
[ARM] Allow gcc to optimise arm_add_memory a little more
[ARM] 3991/1: i.MX/MX1 high resolution time source
[ARM] 3990/1: i.MX/MX1 more precise PLL decode
[ARM] 3986/1: H1940: suspend to RAM support
[ARM] 3985/1: ixp4xx clocksource cleanup
[ARM] 3984/1: ixp4xx/nslu2: Fix disk LED numbering (take 2)
[ARM] 3994/1: ixp23xx: fix handling of pci master aborts
[ARM] 3981/1: sched_clock for PXA2xx
[ARM] 3980/1: extend the ARM Versatile sched_clock implementation from 32 to 63 bit
[ARM] 3979/1: extend the SA11x0 sched_clock implementation from 32 to 63 bit period
[ARM] 3978/1: macro to provide a 63-bit value from a 32-bit hardware counter
...
Diffstat (limited to 'arch/arm/mach-imx/generic.c')
-rw-r--r-- | arch/arm/mach-imx/generic.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/arch/arm/mach-imx/generic.c b/arch/arm/mach-imx/generic.c index 12ea58a3b84f..b5aa49d00ca3 100644 --- a/arch/arm/mach-imx/generic.c +++ b/arch/arm/mach-imx/generic.c | |||
@@ -104,6 +104,9 @@ EXPORT_SYMBOL(imx_gpio_mode); | |||
104 | */ | 104 | */ |
105 | static unsigned int imx_decode_pll(unsigned int pll) | 105 | static unsigned int imx_decode_pll(unsigned int pll) |
106 | { | 106 | { |
107 | unsigned long long ll; | ||
108 | unsigned long quot; | ||
109 | |||
107 | u32 mfi = (pll >> 10) & 0xf; | 110 | u32 mfi = (pll >> 10) & 0xf; |
108 | u32 mfn = pll & 0x3ff; | 111 | u32 mfn = pll & 0x3ff; |
109 | u32 mfd = (pll >> 16) & 0x3ff; | 112 | u32 mfd = (pll >> 16) & 0x3ff; |
@@ -112,7 +115,11 @@ static unsigned int imx_decode_pll(unsigned int pll) | |||
112 | 115 | ||
113 | mfi = mfi <= 5 ? 5 : mfi; | 116 | mfi = mfi <= 5 ? 5 : mfi; |
114 | 117 | ||
115 | return (2 * (f_ref>>10) * ( (mfi<<10) + (mfn<<10) / (mfd+1) )) / (pd+1); | 118 | ll = 2 * (unsigned long long)f_ref * ( (mfi<<16) + (mfn<<16) / (mfd+1) ); |
119 | quot = (pd+1) * (1<<16); | ||
120 | ll += quot / 2; | ||
121 | do_div(ll, quot); | ||
122 | return (unsigned int) ll; | ||
116 | } | 123 | } |
117 | 124 | ||
118 | unsigned int imx_get_system_clk(void) | 125 | unsigned int imx_get_system_clk(void) |