| /openbmc/linux/drivers/clk/rockchip/ |
| H A D | clk-half-divider.c | 39 unsigned int i, bestdiv = 0; in clk_half_divider_bestdiv() local
50 bestdiv = DIV_ROUND_UP_ULL(((u64)parent_rate * 2), rate); in clk_half_divider_bestdiv()
51 if (bestdiv < 3) in clk_half_divider_bestdiv()
52 bestdiv = 0; in clk_half_divider_bestdiv()
54 bestdiv = (bestdiv - 3) / 2; in clk_half_divider_bestdiv()
55 bestdiv = bestdiv > maxdiv ? maxdiv : bestdiv; in clk_half_divider_bestdiv()
56 return bestdiv; in clk_half_divider_bestdiv()
81 bestdiv = i; in clk_half_divider_bestdiv()
87 if (!bestdiv) { in clk_half_divider_bestdiv()
88 bestdiv = div_mask(width); in clk_half_divider_bestdiv()
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| /openbmc/linux/drivers/clk/zynqmp/ |
| H A D | divider.c | 129 u32 bestdiv; in zynqmp_clk_divider_round_rate() local
135 ret = zynqmp_pm_clock_getdivider(clk_id, &bestdiv); in zynqmp_clk_divider_round_rate()
141 bestdiv = bestdiv & 0xFFFF; in zynqmp_clk_divider_round_rate()
143 bestdiv = bestdiv >> 16; in zynqmp_clk_divider_round_rate()
146 bestdiv = 1 << bestdiv; in zynqmp_clk_divider_round_rate()
148 return DIV_ROUND_UP_ULL((u64)*prate, bestdiv); in zynqmp_clk_divider_round_rate()
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| /openbmc/linux/drivers/clk/ti/ |
| H A D | divider.c | 172 int i, bestdiv = 0; in ti_clk_divider_bestdiv() local
183 bestdiv = _div_round(divider->table, parent_rate, rate); in ti_clk_divider_bestdiv()
184 bestdiv = bestdiv == 0 ? 1 : bestdiv; in ti_clk_divider_bestdiv()
185 bestdiv = bestdiv > maxdiv ? maxdiv : bestdiv; in ti_clk_divider_bestdiv()
186 return bestdiv; in ti_clk_divider_bestdiv()
211 bestdiv = i; in ti_clk_divider_bestdiv()
217 if (!bestdiv) { in ti_clk_divider_bestdiv()
218 bestdiv = divider->max; in ti_clk_divider_bestdiv()
223 return bestdiv; in ti_clk_divider_bestdiv()
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| /openbmc/linux/drivers/clk/ |
| H A D | clk-divider.c | 295 int i, bestdiv = 0; in clk_divider_bestdiv() local
306 bestdiv = _div_round(table, parent_rate, rate, flags); in clk_divider_bestdiv()
307 bestdiv = bestdiv == 0 ? 1 : bestdiv; in clk_divider_bestdiv()
308 bestdiv = bestdiv > maxdiv ? maxdiv : bestdiv; in clk_divider_bestdiv()
309 return bestdiv; in clk_divider_bestdiv()
332 bestdiv = i; in clk_divider_bestdiv()
338 if (!bestdiv) { in clk_divider_bestdiv()
339 bestdiv = _get_maxdiv(table, width, flags); in clk_divider_bestdiv()
343 return bestdiv; in clk_divider_bestdiv()
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| H A D | clk-versaclock3.c | 503 unsigned int bestdiv; in vc3_div_round_rate() local
507 regmap_read(vc3->regmap, div_data->offs, &bestdiv); in vc3_div_round_rate()
508 bestdiv >>= div_data->shift; in vc3_div_round_rate()
509 bestdiv &= VC3_DIV_MASK(div_data->width); in vc3_div_round_rate()
510 bestdiv = vc3_get_div(div_data->table, bestdiv, div_data->flags); in vc3_div_round_rate()
511 return DIV_ROUND_UP(*parent_rate, bestdiv); in vc3_div_round_rate()
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| /openbmc/linux/drivers/clk/meson/ |
| H A D | sclk-div.c | 54 int bestdiv = 0, i; in sclk_div_bestdiv() local
85 bestdiv = i; in sclk_div_bestdiv()
91 if (!bestdiv) in sclk_div_bestdiv()
92 bestdiv = sclk_div_maxdiv(sclk); in sclk_div_bestdiv()
96 return bestdiv; in sclk_div_bestdiv()
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| /openbmc/linux/drivers/clk/at91/ |
| H A D | clk-pll.c | 134 unsigned long bestdiv; in clk_pll_get_best_div_mul() local
197 bestdiv = tmpdiv; in clk_pll_get_best_div_mul()
225 *div = bestdiv; in clk_pll_get_best_div_mul()
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| /openbmc/linux/drivers/clk/bcm/ |
| H A D | clk-iproc-pll.c | 639 unsigned int bestdiv; in iproc_clk_determine_rate() local
646 bestdiv = DIV_ROUND_CLOSEST(req->best_parent_rate, req->rate); in iproc_clk_determine_rate()
647 if (bestdiv < 2) in iproc_clk_determine_rate()
650 if (bestdiv > 256) in iproc_clk_determine_rate()
651 bestdiv = 256; in iproc_clk_determine_rate()
653 req->rate = req->best_parent_rate / bestdiv; in iproc_clk_determine_rate()
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| /openbmc/linux/drivers/clk/nxp/ |
| H A D | clk-lpc32xx.c | 962 unsigned int bestdiv; in clk_divider_round_rate() local
966 regmap_read(clk_regmap, divider->reg, &bestdiv); in clk_divider_round_rate()
967 bestdiv >>= divider->shift; in clk_divider_round_rate()
968 bestdiv &= div_mask(divider->width); in clk_divider_round_rate()
969 bestdiv = _get_div(divider->table, bestdiv, divider->flags, in clk_divider_round_rate()
971 return DIV_ROUND_UP(*prate, bestdiv); in clk_divider_round_rate()
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| /openbmc/linux/drivers/gpu/drm/i915/display/ |
| H A D | intel_dpll_mgr.c | 2371 static void icl_wrpll_get_multipliers(int bestdiv, int *pdiv, in icl_wrpll_get_multipliers() argument
2375 if (bestdiv % 2 == 0) { in icl_wrpll_get_multipliers()
2376 if (bestdiv == 2) { in icl_wrpll_get_multipliers()
2380 } else if (bestdiv % 4 == 0) { in icl_wrpll_get_multipliers()
2382 *qdiv = bestdiv / 4; in icl_wrpll_get_multipliers()
2384 } else if (bestdiv % 6 == 0) { in icl_wrpll_get_multipliers()
2386 *qdiv = bestdiv / 6; in icl_wrpll_get_multipliers()
2388 } else if (bestdiv % 5 == 0) { in icl_wrpll_get_multipliers()
2390 *qdiv = bestdiv / 10; in icl_wrpll_get_multipliers()
2392 } else if (bestdiv % 14 == 0) { in icl_wrpll_get_multipliers()
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