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/netgear-R7000-V1.0.7.12_1.2.5/components/opensource/linux/linux-2.6.36/drivers/i2c/busses/
H A Di2c-at91.c47 unsigned long cdiv, ckdiv; local
54 cdiv = (clk_get_rate(twi_clk) / (2 * TWI_CLOCK)) - 3;
55 cdiv = cdiv + 1; /* round up */
57 while (cdiv > 255) {
59 cdiv = cdiv >> 1;
69 at91_twi_write(AT91_TWI_CWGR, (ckdiv << 16) | (cdiv << 8) | cdiv);

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