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/netgear-R7000-V1.0.7.12_1.2.5/components/opensource/linux/linux-2.6.36/drivers/ata/
H A Dpata_pdc2027x.c471 u32 bccrl, bccrh, bccrlv, bccrhv; local
475 bccrh = ioread32(mmio_base + PDC_BYTE_COUNT + 0x100) & 0x7fff;
481 counter = (bccrh << 15) | bccrl;
483 PDPRINTK("bccrh [%X] bccrl [%X]\n", bccrh, bccrl);
488 * Incorrect value may be read when both bccrh and bccrl are changing.
491 if (retry && !(bccrh == bccrhv && bccrl >= bccrlv)) {

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