diff options
Diffstat (limited to 'src/soc/nvidia')
| -rw-r--r-- | src/soc/nvidia/tegra124/include/soc/clock.h | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/src/soc/nvidia/tegra124/include/soc/clock.h b/src/soc/nvidia/tegra124/include/soc/clock.h index 9f3f0a48d9..c0a3f398e3 100644 --- a/src/soc/nvidia/tegra124/include/soc/clock.h +++ b/src/soc/nvidia/tegra124/include/soc/clock.h @@ -1,4 +1,5 @@ /* + * Copyright 2014 Google Inc. * Copyright (c) 2013, NVIDIA CORPORATION. All rights reserved. * * This program is free software; you can redistribute it and/or modify it @@ -192,7 +193,7 @@ enum { * and voila, upper 7 bits are (ref/freq-1), and lowest bit is h. Since you * will assign this to a u8, it gets nicely truncated for you. */ -#define CLK_DIVIDER(REF, FREQ) ((((REF) * 2) / FREQ) - 2) +#define CLK_DIVIDER(REF, FREQ) ((((REF) * 2) / (FREQ)) - 2) /* Calculate clock frequency value from reference and clock divider value * The discussion in the book is pretty lacking. @@ -211,18 +212,18 @@ enum { * Since you multiply denominator * 2 (by NOT shifting it), * you multiply numerator * 2 to cancel it out. */ -#define CLK_FREQUENCY(REF, REG) (((REF) * 2) / (REG + 2)) +#define CLK_FREQUENCY(REF, REG) (((REF) * 2) / ((REG) + 2)) #define clock_configure_irregular_source(device, src, freq, src_id) \ clrsetbits_le32(&clk_rst->clk_src_##device, \ CLK_SOURCE_MASK | CLK_DIVISOR_MASK, \ src_id << CLK_SOURCE_SHIFT | \ - CLK_DIVIDER(TEGRA_##src##_KHZ, freq)); + CLK_DIVIDER(TEGRA_##src##_KHZ, freq)) /* Warning: Some devices just use different bits for the same sources for no * apparent reason. *Always* double-check the TRM before trusting this macro. */ #define clock_configure_source(device, src, freq) \ - clock_configure_irregular_source(device, src, freq, src); + clock_configure_irregular_source(device, src, freq, src) enum clock_source { /* Careful: Not true for all sources, always check TRM! */ PLLP = 0, |